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Integrated Magnetic Bionanocomposites Through Nanoparticle-Mediated Assembly Of Ferritin, S Srivastava, B Samanta, Bj Jordan, R Hong, Q Xiao, Mt Tuominen, Vm Rotello Sep 2007

Integrated Magnetic Bionanocomposites Through Nanoparticle-Mediated Assembly Of Ferritin, S Srivastava, B Samanta, Bj Jordan, R Hong, Q Xiao, Mt Tuominen, Vm Rotello

Vincent Rotello

Magnetic (FePt) and nonmagnetic (Au) nanoparticles were used to assemble ferritin into near-monodisperse bionanocomposites featuring regular interparticle spacing. The FePt/ferritin assemblies are integrated magnetic materials with ferritin providing added magnetic volume fraction to the magnetic nanocomposite. These assemblies differ from either of their constituent particles in terms of blocking temperature (TB), net magnetic moment, coercivity, and remnance.


Biomimetic Interactions Of Proteins With Functionalized Nanoparticies: A Thermodynamic Study, M De, Cc You, S Srivastava, Vm Rotello Aug 2007

Biomimetic Interactions Of Proteins With Functionalized Nanoparticies: A Thermodynamic Study, M De, Cc You, S Srivastava, Vm Rotello

Vincent Rotello

Gold nanoparticles (NPs) functionalized with L-amino acid-terminated monolayers provide an effective platform for the recognition of protein surfaces. Isothermal titration calorimetry (ITC) was used to quantify the binding thermodynamics of these functional NPs with alpha-chymotrypsin (ChT), histone, and cytochrome c (CytC). The enthalpy and entropy changes for the complex formation depend upon the nanoparticle structure and the surface characteristics of the proteins, e.g., distributions of charged and hydrophobic residues on the surface. Enthalpy-entropy compensation studies on these NP-protein systems indicate an excellent linear correlation between DeltaH and TDeltaS with a slope (alpha) of 1.07 and an intercept (TDeltaS0) of 35.2 …


Array-Based Sensing Of Proteins Using Conjugated Polymers, Or Miranda, Cc You, R Phillips, Ib Kim, Ps Ghosh, Uhf Bunz, Vm Rotello Jul 2007

Array-Based Sensing Of Proteins Using Conjugated Polymers, Or Miranda, Cc You, R Phillips, Ib Kim, Ps Ghosh, Uhf Bunz, Vm Rotello

Vincent Rotello

A sensor array comprising six functionalized poly(p-phenyleneethynylene) polymers was constructed and used to detect and identify protein analytes. The presence of proteins alters the fluorescence properties of the polymers, generating a distinct fluorescence response pattern for a given protein. Linear discriminant analyses accurately differentiate the patterns of 17 proteins at nano- to micromolar concentrations. An identification accuracy of 97% was obtained on the basis of the tests with 68 unknown protein samples from the training set.


Peptide Ligation Catalyzed By Functionalized Gold Nanoparticles, Y Fillon, A Verma, P Ghosh, D Ernenwein, Vm Rotello, J Chmielewski May 2007

Peptide Ligation Catalyzed By Functionalized Gold Nanoparticles, Y Fillon, A Verma, P Ghosh, D Ernenwein, Vm Rotello, J Chmielewski

Vincent Rotello

Trimethylammonium functionalized gold nanoparticles are demonstrated as templates for the assembly of peptide fragments and their subsequently promoted ligation. This system displays the use of organically tailored nanoparticles as effective supramolecular reagents for catalyzing bond-forming reactions and may also serve as a model for prebiotic conditions where charged surfaces may have promoted the polymerization of the early biopolymers.


Probing The Solvent-Induced Tautomerism Of A Redox-Active Ureidopyrimidinone, Am Alexander, M Bria, G Brunklaus, S Caldwell, G Cooke, Jf Garety, Sg Hewage, Y Hocquel, N Mcdonald, G Rabani, G Rosair, Bo Smith, Hw Spiess, Vm Rotello, P Woisel May 2007

Probing The Solvent-Induced Tautomerism Of A Redox-Active Ureidopyrimidinone, Am Alexander, M Bria, G Brunklaus, S Caldwell, G Cooke, Jf Garety, Sg Hewage, Y Hocquel, N Mcdonald, G Rabani, G Rosair, Bo Smith, Hw Spiess, Vm Rotello, P Woisel

Vincent Rotello

Trimethylammonium functionalized gold nanoparticles are demonstrated as templates for the assembly of peptide fragments and their subsequently promoted ligation. This system displays the use of organically tailored nanoparticles as effective supramolecular reagents for catalyzing bond-forming reactions and may also serve as a model for prebiotic conditions where charged surfaces may have promoted the polymerization of the early biopolymers.


Core-Like Particles Of An Enveloped Animal Virus Can Self-Assemble Efficiently On Artificial Templates, Nl Goicochea, M De, Vm Rotello, S Mukhopadhyay, B Dragnea Jan 2007

Core-Like Particles Of An Enveloped Animal Virus Can Self-Assemble Efficiently On Artificial Templates, Nl Goicochea, M De, Vm Rotello, S Mukhopadhyay, B Dragnea

Vincent Rotello

Alphaviruses are animal viruses holding great promise for biomedical applications as drug delivery vectors, functional imaging probes, and nanoparticle delivery vesicles because of their efficient in vitro self-assembly properties. However, due to their complex structure, with a protein capsid encapsulating the genome and an outer membrane composed of lipids and glycoproteins, the in-vitro self-assembly of virus-like particles, which have the functional virus coat but carry an artificial cargo, can be challenging. Fabrication of such alphavirus-like particles is likely to require a two-step process: first, the assembly of a capsid structure around an artificial core, second the addition of the membrane …


Derivations And Levels Of Representation, John J. Mccarthy Jan 2007

Derivations And Levels Of Representation, John J. Mccarthy

Linguistics Department Faculty Publication Series

In the theory of generative phonology, the phonological grammar of a language is regarded as a function from underlying to surface forms: /kæt þz/ ! [kæts] ‘cats’. Underlying and surface form are known as levels of representation, and the mapping between them is a derivation. This chapter describes the rationale for positing distinct levels of representation, various views of how many and what kind of levels of representation there are, and the nature of the derivations that link different levels of representation.


Consonant Harmony Via Correspondence: Evidence From Chumash, John J. Mccarthy Jan 2007

Consonant Harmony Via Correspondence: Evidence From Chumash, John J. Mccarthy

Linguistics Department Faculty Publication Series

The phonology of [anterior] in Chumash supports recent proposals by Hansson (2001), Rose & Walker (2004), and Walker (2000a, 2000b) that long-distance consonant assimilation does not involve autosegmental spreading. Linking of the feature [anterior] is forbidden across morpheme boundaries, but long-distance [anterior] harmony is allowed across morpheme boundaries. The Chumash evidence therefore shows that assimilation can occur without autosegmental spreading.


What Is Optimality Theory?, John J. Mccarthy Jan 2007

What Is Optimality Theory?, John J. Mccarthy

Linguistics Department Faculty Publication Series

Optimality Theory is a general model of how grammars are structured. This article surveys the motivations for OT, its core principles, and the basics of analysis. It also addresses some frequently asked questions about this theory and offers suggestions for further reading.


Stability And Transient Dynamics Of Thin Liquid Films Flowing Over Locally Heated Surfaces, N Tiwari, Z Mester, Jm Davis Jan 2007

Stability And Transient Dynamics Of Thin Liquid Films Flowing Over Locally Heated Surfaces, N Tiwari, Z Mester, Jm Davis

Jeffrey M. Davis

The dynamics and linear stability of a liquid film flowing over a locally heated surface are studied using a long-wave lubrication analysis. The temperature gradient at the leading edge of the heater induces a gradient in surface tension that opposes the gravitationally driven flow and leads to the formation of a pronounced capillary ridge. The resulting free-surface shapes are computed, and their stability to spanwise perturbations is analyzed for a range of Marangoni numbers, substrate inclination angles, and temperature profiles. Instability is predicted above a critical Marangoni number for a finite band of wave numbers separated from zero, which is …


Binding And Templation Of Nanoparticle Receptors To Peptide Alpha-Helices Through Surface Recognition, P. S. Ghosh, A. Verma, Vincent M. Rotello Jan 2007

Binding And Templation Of Nanoparticle Receptors To Peptide Alpha-Helices Through Surface Recognition, P. S. Ghosh, A. Verma, Vincent M. Rotello

Vincent Rotello

Nanoparticles featuring highly flexible chains provide templateable surfaces for recognition of peptides.


Slouching Toward Optimality: Coda Reduction In Ot-Cc, John J. Mccarthy Jan 2007

Slouching Toward Optimality: Coda Reduction In Ot-Cc, John J. Mccarthy

John J. McCarthy

There is a well-established asymmetry in the behavior of medial consonant clusters: the first consonant in the cluster can undergo assimilation or deletion, but the second consonant in the cluster cannot. This article presents an explanation for that asymmetry based on a version of Optimality Theory with candidate chains (McCarthy (2006a)). The key idea is that a consonant can only assimilate or delete if it first loses its place features by debuccalizing, and debuccalization is only possible in coda position.


What Is Optimality Theory?, John J. Mccarthy Jan 2007

What Is Optimality Theory?, John J. Mccarthy

John J. McCarthy

Optimality Theory is a general model of how grammars are structured. This article surveys the motivations for OT, its core principles, and the basics of analysis. It also addresses some frequently asked questions about this theory and offers suggestions for further reading.


Less Than Zero: Correspondence And The Null Output, John J. Mccarthy, Matthew Wolf Jan 2007

Less Than Zero: Correspondence And The Null Output, John J. Mccarthy, Matthew Wolf

John J. McCarthy

In this chapter, we have argued for a revision of correspondence theory in which strings rather than segments are the formal objects that stand in correspondence. In this revision, well-behaved unfaithful mappings do not alter ℜ’s status is a total bijective function. Candidates with a less orderly ℜ violate MPARSE; among these candidates there is one that harmonically bounds all of the others, the null output &#;. The primary goal of this project is to explain why &#; uniquely violates no constraints except MPARSE, making it suitable for the analysis of phonologically-conditioned gaps. Along the way, we have also discussed …


Consonant Harmony Via Correspondence: Evidence From Chumash, John J. Mccarthy Jan 2007

Consonant Harmony Via Correspondence: Evidence From Chumash, John J. Mccarthy

John J. McCarthy

The phonology of [anterior] in Chumash supports recent proposals by Hansson (2001), Rose & Walker (2004), and Walker (2000a, 2000b) that long-distance consonant assimilation does not involve autosegmental spreading. Linking of the feature [anterior] is forbidden across morpheme boundaries, but long-distance [anterior] harmony is allowed across morpheme boundaries. The Chumash evidence therefore shows that assimilation can occur without autosegmental spreading.


Derivations And Levels Of Representation, John J. Mccarthy Jan 2007

Derivations And Levels Of Representation, John J. Mccarthy

John J. McCarthy

In the theory of generative phonology, the phonological grammar of a language is regarded as a function from underlying to surface forms: /kæt þz/ ! [kæts] ‘cats’. Underlying and surface form are known as levels of representation, and the mapping between them is a derivation. This chapter describes the rationale for positing distinct levels of representation, various views of how many and what kind of levels of representation there are, and the nature of the derivations that link different levels of representation.


Quark-Hadron Duality In Spin Structure Functions G(1)(P) And G(1)(D), Pe Bosted, Kv Dharmawardane, Ge Dodge, Ta Forest, Se Kuhn, Y Prok, G Adams, M Amarian, P Ambrozewicz, M Anghinolfi, G Asryan, H Avakian, H Bagdasaryan, N Baillie, Jp Ball, Na Baltzell, S Barrow, V Batourine, M Battaglieri, K Beard, I Bedlinskiy, M Bektasoglu, M Bellis, N Benmouna, As Biselli, Be Bonner, S Bouchigny, S Boiarinov, R Bradford, D Branford, Wk Brooks, S Bultmann, Vd Burkert, C Butuceanu, Jr Calarco, Sl Careccia, Ds Carman, B Carnahan, A Cazes, S Chen, Pl Cole, P Collins, P Coltharp, D Cords, P Corvisiero, D Crabb, H Crannell, V Crede, Jp Cummings, R De Masi, R Devita, E De Sanctis, Pv Degtyarenko, H Denizli, L Dennis, A Deur, C Djalali, J Donnelly, D Doughty, P Dragovitsch, M Dugger, S Dytman, Op Dzyubak, H Egiyan, Ks Egiyan, L Elouadrhiri, P Eugenio, R Fatemi, G Fedotov, Rj Feuerbach, H Funsten, M Garcon, G Gavalian, Gp Gilfoyle, Kl Giovanetti, Fx Girod, Jt Goetz, E Golovatch, A Gonenc, Rw Gothe, Ka Griffioen, M Guidal, M Guillo, N Guler, L Guo, V Gyurjyan, C Hadjidakis, K Hafidi, Rs Hakobyan, J Hardie, D Heddle, Fw Hersman, K Hicks, I Hleiqawi, M Holtrop, M Huertas, Ce Hyde-Wright, Y Ilieva, Dg Ireland, Bs Ishkhanov, El Isupov, Mm Ito, D Jenkins, Hs Jo, K Joo, Hg Juengst, C Keith, Jd Kellie, M Khandaker, Ky Kim, K Kim, W Kim, A Klein, Fj Klein, M Klusman, M Kossov, Lh Kramer, V Kubarovsky, J Kuhn, Sv Kuleshov, J Lachniet, Jm Laget, J Langheinrich, D Lawrence, J Li, Acs Lima, K Livingston, H Lu, K Lukashin, M Maccormick, Jj Manak, N Markov, S Mcaleer, B Mckinnon, Jwc Mcnabb, Ba Mecking, Md Mestayer, Ca Meyer, T Mibe, K Mikhailov, R Minehart, M Mirazita, R Miskimen, V Mokeev, L Morand, Sa Morrow, M Moteabbed, J Mueller, Gs Mutchler, P Nadel-Turonski, J Napolitano, R Nasseripour, S Niccolai, G Niculescu, I Niculescu, Bb Niczyporuk, Mr Niroula, Ra Niyazov, M Nozar, Gv O'Rielly, M Osipenko, Ai Ostrovidov, K Park, E Pasyuk, C Paterson, Sa Philips, J Pierce, N Pivnyuk, D Pocanic, O Pogorelko, E Polli, S Pozdniakov, Bm Preedom, Jw Price, D Protopopescu, Lm Qin, Ba Raue, G Riccardi, G Ricco, M Ripani, F Ronchetti, G Rosner, P Rossi, D Rowntree, Pd Rubin, F Sabatie, C Salgado, Jp Santoro, V Sapunenko, Ra Schumacher, Vs Serov, Yg Sharabian, J Shaw, Nv Shvedunov, Av Skabelin, Es Smith, Lc Smith, Di Sober, A Stavinsky, Ss Stepanyan, S Stepanyan, Be Stokes, P Stoler, S Strauch, R Suleiman, M Taiuti, S Taylor, Dj Tedeschi, U Thoma, R Thompson, A Tkabladze, S Tkachenko, L Todor, C Tur, M Ungaro, Mf Vineyard, Av Vlassov, Lb Weinstein, Dp Weygand, M Williams, E Wolin, Mh Wood, A Yegneswaran, J Yun, L Zana, J Zhang, B Zhao, Z Zhao Jan 2007

Quark-Hadron Duality In Spin Structure Functions G(1)(P) And G(1)(D), Pe Bosted, Kv Dharmawardane, Ge Dodge, Ta Forest, Se Kuhn, Y Prok, G Adams, M Amarian, P Ambrozewicz, M Anghinolfi, G Asryan, H Avakian, H Bagdasaryan, N Baillie, Jp Ball, Na Baltzell, S Barrow, V Batourine, M Battaglieri, K Beard, I Bedlinskiy, M Bektasoglu, M Bellis, N Benmouna, As Biselli, Be Bonner, S Bouchigny, S Boiarinov, R Bradford, D Branford, Wk Brooks, S Bultmann, Vd Burkert, C Butuceanu, Jr Calarco, Sl Careccia, Ds Carman, B Carnahan, A Cazes, S Chen, Pl Cole, P Collins, P Coltharp, D Cords, P Corvisiero, D Crabb, H Crannell, V Crede, Jp Cummings, R De Masi, R Devita, E De Sanctis, Pv Degtyarenko, H Denizli, L Dennis, A Deur, C Djalali, J Donnelly, D Doughty, P Dragovitsch, M Dugger, S Dytman, Op Dzyubak, H Egiyan, Ks Egiyan, L Elouadrhiri, P Eugenio, R Fatemi, G Fedotov, Rj Feuerbach, H Funsten, M Garcon, G Gavalian, Gp Gilfoyle, Kl Giovanetti, Fx Girod, Jt Goetz, E Golovatch, A Gonenc, Rw Gothe, Ka Griffioen, M Guidal, M Guillo, N Guler, L Guo, V Gyurjyan, C Hadjidakis, K Hafidi, Rs Hakobyan, J Hardie, D Heddle, Fw Hersman, K Hicks, I Hleiqawi, M Holtrop, M Huertas, Ce Hyde-Wright, Y Ilieva, Dg Ireland, Bs Ishkhanov, El Isupov, Mm Ito, D Jenkins, Hs Jo, K Joo, Hg Juengst, C Keith, Jd Kellie, M Khandaker, Ky Kim, K Kim, W Kim, A Klein, Fj Klein, M Klusman, M Kossov, Lh Kramer, V Kubarovsky, J Kuhn, Sv Kuleshov, J Lachniet, Jm Laget, J Langheinrich, D Lawrence, J Li, Acs Lima, K Livingston, H Lu, K Lukashin, M Maccormick, Jj Manak, N Markov, S Mcaleer, B Mckinnon, Jwc Mcnabb, Ba Mecking, Md Mestayer, Ca Meyer, T Mibe, K Mikhailov, R Minehart, M Mirazita, R Miskimen, V Mokeev, L Morand, Sa Morrow, M Moteabbed, J Mueller, Gs Mutchler, P Nadel-Turonski, J Napolitano, R Nasseripour, S Niccolai, G Niculescu, I Niculescu, Bb Niczyporuk, Mr Niroula, Ra Niyazov, M Nozar, Gv O'Rielly, M Osipenko, Ai Ostrovidov, K Park, E Pasyuk, C Paterson, Sa Philips, J Pierce, N Pivnyuk, D Pocanic, O Pogorelko, E Polli, S Pozdniakov, Bm Preedom, Jw Price, D Protopopescu, Lm Qin, Ba Raue, G Riccardi, G Ricco, M Ripani, F Ronchetti, G Rosner, P Rossi, D Rowntree, Pd Rubin, F Sabatie, C Salgado, Jp Santoro, V Sapunenko, Ra Schumacher, Vs Serov, Yg Sharabian, J Shaw, Nv Shvedunov, Av Skabelin, Es Smith, Lc Smith, Di Sober, A Stavinsky, Ss Stepanyan, S Stepanyan, Be Stokes, P Stoler, S Strauch, R Suleiman, M Taiuti, S Taylor, Dj Tedeschi, U Thoma, R Thompson, A Tkabladze, S Tkachenko, L Todor, C Tur, M Ungaro, Mf Vineyard, Av Vlassov, Lb Weinstein, Dp Weygand, M Williams, E Wolin, Mh Wood, A Yegneswaran, J Yun, L Zana, J Zhang, B Zhao, Z Zhao

Michael Williams

New measurements of the spin structure functions of the proton and deuteron g1p(x,Q2) and g1d(x,Q2) in the nucleon resonance region are compared with extrapolations of target-mass-corrected next-to-leading-order (NLO) QCD fits to higher energy data. Averaged over the entire resonance region (W<2 >GeV), the data and QCD fits are in good agreement in both magnitude and Q2 dependence for Q2>1.7 GeV2/c2. This “global” duality appears to result from cancellations among the prominent “local” resonance regions: in particular strong σ3/2 contributions in the Δ(1232) region appear to be compensated by strong σ1/2 contributions in the resonance region centered on 1.5 GeV. …


Search For Medium Modifications Of The Rho Meson, R Nasseripour, Mh Wood, C Djalali, Dp Weygand, C Tur, U Mosel, P Muehlich, G Adams, Mj Amaryan, P Ambrozewicz, M Anghinolfi, G Asryan, H Avakian, H Bagdasaryan, N Baillie, Jp Ball, Na Baltzell, S Barrow, M Battaglieri, I Bedlinskiy, M Bektasoglu, M Bellis, N Benmouna, Bl Berman, As Biselli, L Blaszczyk, S Bouchigny, S Boiarinov, R Bradford, D Branford, Wj Briscoe, Wk Brooks, S Bueltmann, Vd Burkert, C Butuceanu, Jr Calarco, Sl Careccia, Ds Carman, B Carnahan, L Casey, S Chen, Pl Cole, P Collins, P Coltharp, D Crabb, H Crannell, V Crede, Jp Cummings, N Dashyan, R De Masi, R De Vita, E De Sanctis, Pv Degtyarenko, H Denizli, L Dennis, A Deur, Kv Dharmawardane, R Dickson, Ge Dodge, D Doughty, M Dugger, S Dytman, Op Dzyubak, H Egiyan, Ks Egiyan, L El Fassi, L Elouadrhiri, P Eugenio, G Fedotov, G Feldman, Rj Feuerbach, H Funsten, M Garcon, G Gavalian, Gp Gilfoyle, Kl Giovanetti, Fx Girod, Jt Goetz, Cio Gordon, Rw Gothe, Ka Griffioen, M Guidal, N Guler, L Guo, V Gyurjyan, C Hadjidakis, K Hafidi, H Hakobyan, Rs Hakobyan, C Hanretty, J Hardie, Fw Hersman, K Hicks, I Hleiqawi, M Holtrop, Ce Hyde-Wright, Y Ilieva, Dg Ireland, Bs Ishkhanov, El Isupov, Mm Ito, D Jenkins, Hs Jo, Jr Johnstone, K Joo, Hg Juengst, N Kalantarians, Jd Kellie, M Khandaker, W Kim, A Klein, Fj Klein, Av Klimenko, M Kossov, Z Krahn, Lh Kramer, V Kubarovsky, J Kuhn, Se Kuhn, Sv Kuleshov, J Lachniet, Jm Laget, J Langheinrich, D Lawrence, J Li, K Livingston, Hy Lu, M Maccormick, N Markov, P Mattione, S Mcaleer, B Mckinnon, Jwc Mcnabb, Ba Mecking, S Mehrabyan, Jj Melone, Md Mestayer, Ca Meyer, T Mibe, K Mikhailov, R Minehart, M Mirazita, R Miskimen, V Mokeev, K Moriya, Sa Morrow, M Moteabbed, J Mueller, E Munevar, Gs Mutchler, P Nadel-Turonski, S Niccolai, G Niculescu, I Niculescu, Bb Niczyporuk, Mr Niroula, Ra Niyazov, M Nozar, M Osipenko, Ai Ostrovidov, K Park, E Pasyuk, C Paterson, Sa Pereira, J Pierce, N Pivnyuk, D Pocanic, O Pogorelko, S Pozdniakov, Bm Preedom, Jw Price, Y Prok, D Protopopescu, Ba Raue, G Riccardi, G Ricco, M Ripani, Bg Ritchie, F Ronchetti, G Rosner, P Rossi, F Sabatie, J Salamanca, C Salgado, Jp Santoro, V Sapunenko, Ra Schumacher, Vs Serov, Yg Sharabian, D Sharov, Nv Shvedunov, Es Smith, Lc Smith, Di Sober, D Sokhan, A Stavinsky, Ss Stepanyan, S Stepanyan, Be Stokes, P Stoler, Ii Strakovsky, S Strauch, M Taiuti, Dj Tedeschi, A Tkabladze, S Tkachenko, L Todor, M Ungaro, Mf Vineyard, Av Vlassov, Dp Watts, Lb Weinstein, M Williams, E Wolin, A Yegneswaran, L Zana, B Zhang, J Zhang, B Zhao, Zw Zhao Jan 2007

Search For Medium Modifications Of The Rho Meson, R Nasseripour, Mh Wood, C Djalali, Dp Weygand, C Tur, U Mosel, P Muehlich, G Adams, Mj Amaryan, P Ambrozewicz, M Anghinolfi, G Asryan, H Avakian, H Bagdasaryan, N Baillie, Jp Ball, Na Baltzell, S Barrow, M Battaglieri, I Bedlinskiy, M Bektasoglu, M Bellis, N Benmouna, Bl Berman, As Biselli, L Blaszczyk, S Bouchigny, S Boiarinov, R Bradford, D Branford, Wj Briscoe, Wk Brooks, S Bueltmann, Vd Burkert, C Butuceanu, Jr Calarco, Sl Careccia, Ds Carman, B Carnahan, L Casey, S Chen, Pl Cole, P Collins, P Coltharp, D Crabb, H Crannell, V Crede, Jp Cummings, N Dashyan, R De Masi, R De Vita, E De Sanctis, Pv Degtyarenko, H Denizli, L Dennis, A Deur, Kv Dharmawardane, R Dickson, Ge Dodge, D Doughty, M Dugger, S Dytman, Op Dzyubak, H Egiyan, Ks Egiyan, L El Fassi, L Elouadrhiri, P Eugenio, G Fedotov, G Feldman, Rj Feuerbach, H Funsten, M Garcon, G Gavalian, Gp Gilfoyle, Kl Giovanetti, Fx Girod, Jt Goetz, Cio Gordon, Rw Gothe, Ka Griffioen, M Guidal, N Guler, L Guo, V Gyurjyan, C Hadjidakis, K Hafidi, H Hakobyan, Rs Hakobyan, C Hanretty, J Hardie, Fw Hersman, K Hicks, I Hleiqawi, M Holtrop, Ce Hyde-Wright, Y Ilieva, Dg Ireland, Bs Ishkhanov, El Isupov, Mm Ito, D Jenkins, Hs Jo, Jr Johnstone, K Joo, Hg Juengst, N Kalantarians, Jd Kellie, M Khandaker, W Kim, A Klein, Fj Klein, Av Klimenko, M Kossov, Z Krahn, Lh Kramer, V Kubarovsky, J Kuhn, Se Kuhn, Sv Kuleshov, J Lachniet, Jm Laget, J Langheinrich, D Lawrence, J Li, K Livingston, Hy Lu, M Maccormick, N Markov, P Mattione, S Mcaleer, B Mckinnon, Jwc Mcnabb, Ba Mecking, S Mehrabyan, Jj Melone, Md Mestayer, Ca Meyer, T Mibe, K Mikhailov, R Minehart, M Mirazita, R Miskimen, V Mokeev, K Moriya, Sa Morrow, M Moteabbed, J Mueller, E Munevar, Gs Mutchler, P Nadel-Turonski, S Niccolai, G Niculescu, I Niculescu, Bb Niczyporuk, Mr Niroula, Ra Niyazov, M Nozar, M Osipenko, Ai Ostrovidov, K Park, E Pasyuk, C Paterson, Sa Pereira, J Pierce, N Pivnyuk, D Pocanic, O Pogorelko, S Pozdniakov, Bm Preedom, Jw Price, Y Prok, D Protopopescu, Ba Raue, G Riccardi, G Ricco, M Ripani, Bg Ritchie, F Ronchetti, G Rosner, P Rossi, F Sabatie, J Salamanca, C Salgado, Jp Santoro, V Sapunenko, Ra Schumacher, Vs Serov, Yg Sharabian, D Sharov, Nv Shvedunov, Es Smith, Lc Smith, Di Sober, D Sokhan, A Stavinsky, Ss Stepanyan, S Stepanyan, Be Stokes, P Stoler, Ii Strakovsky, S Strauch, M Taiuti, Dj Tedeschi, A Tkabladze, S Tkachenko, L Todor, M Ungaro, Mf Vineyard, Av Vlassov, Dp Watts, Lb Weinstein, M Williams, E Wolin, A Yegneswaran, L Zana, B Zhang, J Zhang, B Zhao, Zw Zhao

Michael Williams

The photoproduction of vector mesons on various nuclei has been studied using the CLAS detector at Jefferson Laboratory. The vector mesons, rho, omega, and varphi, are observed via their decay to e;{+}e;{-}, in order to reduce the effects of final-state interactions in the nucleus. Of particular interest are possible in-medium effects on the properties of the rho meson. The rho mass spectrum is extracted from the data on various nuclei, 2H, C, Fe, and Ti. We observe no significant mass shift and some broadening consistent with expected collisional broadening for the rho meson.


Cross Sections For The Gamma P -> K-*0 Sigma(+) Reaction At E-Gamma=1.7-3.0 Gev, I Hleiqawi, K Hicks, Ds Carman, T Mibe, G Niculescu, A Tkabladze, M Amarian, P Ambrozewicz, M Anghinolfi, G Asryan, H Avakian, H Bagdasaryan, N Baillie, Jp Ball, Na Baltzell, V Batourine, M Battaglieri, K Beard, I Bedlinskiy, M Bellis, N Benmouna, Bl Berman, As Biselli, S Bouchigny, S Boiarinov, R Bradford, D Branford, Wj Briscoe, Wk Brooks, S Bultmann, Vd Burkert, C Butuceanu, Jr Calarco, Sl Careccia, B Carnahan, S Chen, Pl Cole, P Collins, P Coltharp, D Crabb, H Crannell, V Crede, Jp Cummings, R De Masi, R De Vita, E De Sanctis, Pv Degtyarenko, L Dennis, A Deur, C Djalali, R Dickson, Ge Dodge, J Donnelly, D Doughty, M Dugger, S Dytman, Op Dzyubak, H Egiyan, Ks Egiyan, L Elouadrhiri, P Eugenio, G Fedotov, G Feldman, R Fersch, R Feuerbach, M Garcon, G Gavalian, Gp Gilfoyle, Kl Giovanetti, Fx Girod, Jt Goetz, A Gonenc, Rw Gothe, Ka Griffioen, M Guidal, N Guler, L Guo, V Gyurjyan, Rs Hakobyan, J Hardie, D Heddle, Fw Hersman, M Holtrop, Ce Hyde-Wright, Y Ilieva, Dg Ireland, Bs Ishkhanov, Mm Ito, D Jenkins, Hs Jo, K Joo, Hg Juengst, N Kalantarians, Jd Kellie, M Khandaker, K Kim, W Kim, A Klein, Fj Klein, Av Klimenko, M Kossov, Z Krahn, Lh Kramer, V Kubarovsky, J Kuhn, Se Kuhn, Sv Kuleshov, J Lachniet, Jm Laget, J Langheinrich, D Lawrence, J Li, K Livingston, Hy Lu, K Lukashin, M Maccormick, S Mcaleer, B Mckinnon, J Mcnabb, Ba Mecking, Md Mestayer, Ca Meyer, K Mikhailov, R Minehart, M Mirazita, R Miskimen, V Mokeev, K Moriya, Sa Morrow, M Moteabbed, Gs Mutchler, E Munevar, P Nadel-Turonski, R Nasseripour, S Niccolai, I Niculescu, Bb Niczyporuk, Mr Niroula, Ra Niyazov, M Nozar, M Osipenko, Ai Ostrovidov, K Park, E Pasyuk, C Paterson, J Pierce, N Pivnyuk, O Pogorelko, S Pozdniakov, B Preedom, Jw Price, Y Prok, D Protopopescu, Ba Raue, G Riccardi, G Ricco, M Ripani, Bg Ritchie, F Ronchetti, G Rosner, P Rossi, F Sabatie, C Salgado, Jp Santoro, V Sapunenko, Ra Schumacher, Vs Serov, Yg Sharabian, Es Smith, Lc Smith, Di Sober, A Stavinsky, Ss Stepanyan, S Stepanyan, Be Stokes, P Stoler, Ii Strakovsky, S Strauch, M Taiuti, S Taylor, Dj Tedeschi, U Thoma, R Thompson, L Todor, S Tkachenko, C Tur, M Ungaro, Mf Vineyard, Av Vlassov, K Wang, Lb Weinstein, Dp Weygand, S Whisnant, M Williams, E Wolin, Mh Wood, A Yegneswaran, L Zana, J Zhang, B Zhao, Z Zhao Jan 2007

Cross Sections For The Gamma P -> K-*0 Sigma(+) Reaction At E-Gamma=1.7-3.0 Gev, I Hleiqawi, K Hicks, Ds Carman, T Mibe, G Niculescu, A Tkabladze, M Amarian, P Ambrozewicz, M Anghinolfi, G Asryan, H Avakian, H Bagdasaryan, N Baillie, Jp Ball, Na Baltzell, V Batourine, M Battaglieri, K Beard, I Bedlinskiy, M Bellis, N Benmouna, Bl Berman, As Biselli, S Bouchigny, S Boiarinov, R Bradford, D Branford, Wj Briscoe, Wk Brooks, S Bultmann, Vd Burkert, C Butuceanu, Jr Calarco, Sl Careccia, B Carnahan, S Chen, Pl Cole, P Collins, P Coltharp, D Crabb, H Crannell, V Crede, Jp Cummings, R De Masi, R De Vita, E De Sanctis, Pv Degtyarenko, L Dennis, A Deur, C Djalali, R Dickson, Ge Dodge, J Donnelly, D Doughty, M Dugger, S Dytman, Op Dzyubak, H Egiyan, Ks Egiyan, L Elouadrhiri, P Eugenio, G Fedotov, G Feldman, R Fersch, R Feuerbach, M Garcon, G Gavalian, Gp Gilfoyle, Kl Giovanetti, Fx Girod, Jt Goetz, A Gonenc, Rw Gothe, Ka Griffioen, M Guidal, N Guler, L Guo, V Gyurjyan, Rs Hakobyan, J Hardie, D Heddle, Fw Hersman, M Holtrop, Ce Hyde-Wright, Y Ilieva, Dg Ireland, Bs Ishkhanov, Mm Ito, D Jenkins, Hs Jo, K Joo, Hg Juengst, N Kalantarians, Jd Kellie, M Khandaker, K Kim, W Kim, A Klein, Fj Klein, Av Klimenko, M Kossov, Z Krahn, Lh Kramer, V Kubarovsky, J Kuhn, Se Kuhn, Sv Kuleshov, J Lachniet, Jm Laget, J Langheinrich, D Lawrence, J Li, K Livingston, Hy Lu, K Lukashin, M Maccormick, S Mcaleer, B Mckinnon, J Mcnabb, Ba Mecking, Md Mestayer, Ca Meyer, K Mikhailov, R Minehart, M Mirazita, R Miskimen, V Mokeev, K Moriya, Sa Morrow, M Moteabbed, Gs Mutchler, E Munevar, P Nadel-Turonski, R Nasseripour, S Niccolai, I Niculescu, Bb Niczyporuk, Mr Niroula, Ra Niyazov, M Nozar, M Osipenko, Ai Ostrovidov, K Park, E Pasyuk, C Paterson, J Pierce, N Pivnyuk, O Pogorelko, S Pozdniakov, B Preedom, Jw Price, Y Prok, D Protopopescu, Ba Raue, G Riccardi, G Ricco, M Ripani, Bg Ritchie, F Ronchetti, G Rosner, P Rossi, F Sabatie, C Salgado, Jp Santoro, V Sapunenko, Ra Schumacher, Vs Serov, Yg Sharabian, Es Smith, Lc Smith, Di Sober, A Stavinsky, Ss Stepanyan, S Stepanyan, Be Stokes, P Stoler, Ii Strakovsky, S Strauch, M Taiuti, S Taylor, Dj Tedeschi, U Thoma, R Thompson, L Todor, S Tkachenko, C Tur, M Ungaro, Mf Vineyard, Av Vlassov, K Wang, Lb Weinstein, Dp Weygand, S Whisnant, M Williams, E Wolin, Mh Wood, A Yegneswaran, L Zana, J Zhang, B Zhao, Z Zhao

Michael Williams

Differential cross sections for the reaction γp→K*0Σ+ are presented in the photon energy range of 1.7 to 3.0 GeV. The K*0 was detected by its decay products, K+π-, in the Continuous Electron Beam Accelerator Facility's large acceptance spectrometer (CLAS) detector at the Thomas Jefferson National Accelerator Facility. These data are the first K*0 photoproduction cross sections ever published over a broad range of angles. Comparison with a theoretical model based on the vector and tensor K*-quark couplings shows good agreement with the data, except at forward angles, suggesting that the role of scalar κ meson exchange should be investigated.


First Measurement Of Beam-Recoil Observables C-X And C-Z In Hyperon Photoproduction, Rk Bradford, Ra Schumacher, G Adams, Mj Amaryan, P Ambrozewicz, E Anciant, M Anghinolfi, B Asavapibhop, G Asryan, G Audit, H Avakian, H Bagdasaryan, N Baillie, Jp Ball, Na Baltzell, S Barrow, V Batourine, M Battaglieri, K Beard, I Bedlinskiy, M Bektasoglu, M Bellis, N Benmouna, Bl Berman, N Bianchi, As Biselli, Be Bonner, S Bouchigny, S Boiarinov, D Branford, Wj Briscoe, Wk Brooks, S Bultmann, Vd Burkert, C Butuceanu, Jr Calarco, Sl Careccia, Ds Carman, B Carnahan, S Chen, Pl Cole, A Coleman, P Collins, P Coltharp, D Cords, P Corvisiero, D Crabb, H Crannell, V Crede, Jp Cummings, R De Masi, E De Sanctis, R De Vita, Pv Degtyarenko, H Denizli, L Dennis, A Deur, Kv Dharmawardane, R Dickson, C Djalali, Ge Dodge, J Donnelly, D Doughty, P Dragovitsch, M Dugger, S Dytman, Op Dzyubak, H Egiyan, Ks Egiyan, L El Fassi, L Elouadrhiri, A Empl, P Eugenio, R Fatemi, G Fedotov, G Feldman, Rj Feuerbach, Ta Forest, H Funsten, M Garcon, G Gavalian, Gp Gilfoyle, Kl Giovanetti, Fx Girod, Jt Goetz, A Gonenc, Rw Gothe, Ka Griffioen, M Guidal, M Guillo, N Guler, L Guo, V Gyurjyan, C Hadjidakis, K Hafidi, H Hakobyan, Rs Hakobyan, J Hardie, D Heddle, Fw Hersman, K Hicks, I Hleiqawi, M Holtrop, J Hu, M Huertas, Ce Hyde-Wright, Y Ilieva, Dg Ireland, Bs Ishkhanov, El Isupov, Mm Ito, D Jenkins, Hs Jo, K Joo, Hg Juengst, N Kalantarians, Jd Kellie, M Khandaker, Ky Kim, K Kim, W Kim, A Klein, Fj Klein, M Klusman, M Kossov, Lh Kramer, V Kubarovsky, J Kuhn, Se Kuhn, Sv Kuleshov, J Lachniet, Jm Laget, J Langheinrich, D Lawrence, Acs Lima, K Livingston, Hy Lu, K Lukashin, M Maccormick, Jj Manak, C Marchand, N Markov, S Mcaleer, B Mckinnon, Jwc Mcnabb, Ba Mecking, Md Mestayer, Ca Meyer, T Mibe, K Mikhailov, M Mirazita, R Miskimen, V Mokeev, K Moriya, Sa Morrow, M Moteabbed, V Muccifora, J Mueller, Gs Mutchler, P Nadel-Turonski, J Napolitano, R Nasseripour, N Natasha, S Niccolai, G Niculescu, I Niculescu, Bb Niczyporuk, Mr Niroula, Ra Niyazov, M Nozar, Gv O'Rielly, M Osipenko, Ai Ostrovidov, K Park, E Pasyuk, C Paterson, Sa Philips, J Pierce, N Pivnyuk, D Pocanic, O Pogorelko, E Polli, I Popa, S Pozdniakov, Bm Preedom, Jw Price, Y Prok, D Protopopescu, Lm Qin, Bp Quinn, Ba Raue, G Riccardi, G Ricco, M Ripani, Bg Ritchie, F Ronchetti, G Rosner, P Rossi, D Rowntree, Pd Rubin, F Sabatie, J Salamanca, C Salgado, Jp Santoro, V Sapunenko, Vs Serov, A Shafi, Yg Sharabian, J Shaw, Nv Shvedunov, S Simionatto, Av Skabelin, Es Smith, Lc Smith, Di Sober, D Sokhan, M Spraker, A Stavinsky, Ss Stepanyan, S Stepanyan, Be Stokes, P Stoler, Ii Strakovsky, S Strauch, M Taiuti, S Taylor, Dj Tedeschi, U Thoma, R Thompson, A Tkabladze, S Tkachenko, L Todor, C Tur, M Ungaro, Mf Vineyard, Av Vlassov, K Wang, Dp Watts, Lb Weinstein, H Weller, Dp Weygand, M Williams, E Wolin, Mh Wood, A Yegneswaran, J Yun, L Zana, J Zhang, B Zhao, Zw Zhao Jan 2007

First Measurement Of Beam-Recoil Observables C-X And C-Z In Hyperon Photoproduction, Rk Bradford, Ra Schumacher, G Adams, Mj Amaryan, P Ambrozewicz, E Anciant, M Anghinolfi, B Asavapibhop, G Asryan, G Audit, H Avakian, H Bagdasaryan, N Baillie, Jp Ball, Na Baltzell, S Barrow, V Batourine, M Battaglieri, K Beard, I Bedlinskiy, M Bektasoglu, M Bellis, N Benmouna, Bl Berman, N Bianchi, As Biselli, Be Bonner, S Bouchigny, S Boiarinov, D Branford, Wj Briscoe, Wk Brooks, S Bultmann, Vd Burkert, C Butuceanu, Jr Calarco, Sl Careccia, Ds Carman, B Carnahan, S Chen, Pl Cole, A Coleman, P Collins, P Coltharp, D Cords, P Corvisiero, D Crabb, H Crannell, V Crede, Jp Cummings, R De Masi, E De Sanctis, R De Vita, Pv Degtyarenko, H Denizli, L Dennis, A Deur, Kv Dharmawardane, R Dickson, C Djalali, Ge Dodge, J Donnelly, D Doughty, P Dragovitsch, M Dugger, S Dytman, Op Dzyubak, H Egiyan, Ks Egiyan, L El Fassi, L Elouadrhiri, A Empl, P Eugenio, R Fatemi, G Fedotov, G Feldman, Rj Feuerbach, Ta Forest, H Funsten, M Garcon, G Gavalian, Gp Gilfoyle, Kl Giovanetti, Fx Girod, Jt Goetz, A Gonenc, Rw Gothe, Ka Griffioen, M Guidal, M Guillo, N Guler, L Guo, V Gyurjyan, C Hadjidakis, K Hafidi, H Hakobyan, Rs Hakobyan, J Hardie, D Heddle, Fw Hersman, K Hicks, I Hleiqawi, M Holtrop, J Hu, M Huertas, Ce Hyde-Wright, Y Ilieva, Dg Ireland, Bs Ishkhanov, El Isupov, Mm Ito, D Jenkins, Hs Jo, K Joo, Hg Juengst, N Kalantarians, Jd Kellie, M Khandaker, Ky Kim, K Kim, W Kim, A Klein, Fj Klein, M Klusman, M Kossov, Lh Kramer, V Kubarovsky, J Kuhn, Se Kuhn, Sv Kuleshov, J Lachniet, Jm Laget, J Langheinrich, D Lawrence, Acs Lima, K Livingston, Hy Lu, K Lukashin, M Maccormick, Jj Manak, C Marchand, N Markov, S Mcaleer, B Mckinnon, Jwc Mcnabb, Ba Mecking, Md Mestayer, Ca Meyer, T Mibe, K Mikhailov, M Mirazita, R Miskimen, V Mokeev, K Moriya, Sa Morrow, M Moteabbed, V Muccifora, J Mueller, Gs Mutchler, P Nadel-Turonski, J Napolitano, R Nasseripour, N Natasha, S Niccolai, G Niculescu, I Niculescu, Bb Niczyporuk, Mr Niroula, Ra Niyazov, M Nozar, Gv O'Rielly, M Osipenko, Ai Ostrovidov, K Park, E Pasyuk, C Paterson, Sa Philips, J Pierce, N Pivnyuk, D Pocanic, O Pogorelko, E Polli, I Popa, S Pozdniakov, Bm Preedom, Jw Price, Y Prok, D Protopopescu, Lm Qin, Bp Quinn, Ba Raue, G Riccardi, G Ricco, M Ripani, Bg Ritchie, F Ronchetti, G Rosner, P Rossi, D Rowntree, Pd Rubin, F Sabatie, J Salamanca, C Salgado, Jp Santoro, V Sapunenko, Vs Serov, A Shafi, Yg Sharabian, J Shaw, Nv Shvedunov, S Simionatto, Av Skabelin, Es Smith, Lc Smith, Di Sober, D Sokhan, M Spraker, A Stavinsky, Ss Stepanyan, S Stepanyan, Be Stokes, P Stoler, Ii Strakovsky, S Strauch, M Taiuti, S Taylor, Dj Tedeschi, U Thoma, R Thompson, A Tkabladze, S Tkachenko, L Todor, C Tur, M Ungaro, Mf Vineyard, Av Vlassov, K Wang, Dp Watts, Lb Weinstein, H Weller, Dp Weygand, M Williams, E Wolin, Mh Wood, A Yegneswaran, J Yun, L Zana, J Zhang, B Zhao, Zw Zhao

Michael Williams

Spin transfer from circularly polarized real photons to recoiling hyperons has been measured for the reactions γ⃗+p→K++Λ⃗ and γ⃗+p→K++Σ⃗0. The data were obtained using the CEBAF Large Acceptance Spectrometer (CLAS) detector at the Jefferson Lab for center-of-mass energies W between 1.6 and 2.53 GeV, and for -0.85


Pi(0) Photoproduction On The Proton For Photon Energies From 0.675 To 2.875 Gev, M Dugger, Bg Ritchie, Jp Ball, P Collins, E Pasyuk, Ra Arndt, Wj Briscoe, Ii Strakovsky, Rl Workman, G Adams, M Amarian, P Ambrozewicz, E Anciant, M Anghinolfi, B Asavapibhop, G Asryan, G Audit, H Avakian, H Bagdasaryan, N Baillie, Na Baltzell, S Barrow, M Battaglieri, K Beard, I Bedlinskiy, M Bektasoglu, M Bellis, N Benmouna, Bl Berman, N Bianchi, As Biselli, Be Bonner, S Bouchigny, S Boiarinov, R Bradford, D Branford, Wk Brooks, S Bultmann, Vd Burkert, C Butuceanu, Jr Calarco, Sl Careccia, Ds Carman, B Carnahan, S Chen, Pl Cole, A Coleman, P Coltharp, D Cords, P Corvisiero, D Crabb, H Crannell, Jp Cummings, E De Sanctis, R De Vita, Pv Degtyarenko, H Denizli, L Dennis, A Deur, Kv Dharmawardane, Ks Dhuga, R Dickson, C Djalali, Ge Dodge, J Donnelly, D Doughty, P Dragovitsch, S Dytman, Op Dzyubak, H Egiyan, Ks Egiyan, L Elouadrhiri, A Empl, P Eugenio, R Fatemi, G Fedotov, G Feldman, Rj Feuerbach, J Ficenec, Ta Forest, H Funsten, M Garcon, G Gavalian, Gp Gilfoyle, Kl Giovanetti, Fx Girod, Jt Goetz, Rw Gothe, Ka Griffioen, M Guidal, M Guillo, N Guler, L Guo, V Gyurjyan, C Hadjidakis, Rs Hakobyan, J Hardie, D Heddle, Fw Hersman, K Hicks, I Hleiqawi, M Holtrop, J Hu, M Huertas, Ce Hyde-Wright, Y Ilieva, Dg Ireland, Bs Ishkhanov, Mm Ito, D Jenkins, Hs Jo, K Joo, Hg Juengst, N Kalantarians, Jd Kellie, M Khandaker, Ky Kim, K Kim, W Kim, A Klein, Fj Klein, Av Klimenko, M Klusman, M Kossov, Z Krahn, Lh Kramer, V Kubarovsky, J Kuhn, Se Kuhn, V Kuznetsov, J Lachniet, Jm Laget, J Langheinrich, D Lawrence, T Lee, Acs Lima, K Livingston, K Lukashin, Jj Manak, C Marchand, Lc Maximon, S Mcaleer, B Mckinnon, Jwc Mcnabb, Ba Mecking, Md Mestayer, Ca Meyer, T Mibe, K Mikhailov, R Minehart, M Mirazita, R Miskimen, V Mokeev, K Moriya, Sa Morrow, V Muccifora, J Mueller, Gs Mutchler, P Nadel-Turonski, J Napolitano, R Nasseripour, S Niccolai, G Niculescu, I Niculescu, Bb Niczyporuk, M Niroula, Ra Niyazov, M Nozar, Gv O'Rielly, M Osipenko, Ai Ostrovidov, K Park, C Paterson, Sa Philips, J Pierce, N Pivnyuk, D Pocanic, O Pogorelko, S Pozdniakov, Bm Preedom, Jw Price, Y Prok, D Protopopescu, Lm Qin, Ba Raue, G Riccardi, G Ricco, M Ripani, F Ronchetti, G Rosner, P Rossi, D Rowntree, Pd Rubin, F Sabatie, J Slamanca, C Salgado, Jp Santoro, V Sapunenko, Ra Schumacher, Vs Serov, A Shafi, Yg Sharabian, J Shaw, S Simionatto, Av Skabelin, Es Smith, Lc Smith, Di Sober, M Spraker, A Stavinsky, Ss Stepanyan, S Stepanyan, Be Stokes, P Stoler, S Strauch, M Taiuti, S Taylor, Dj Tedeschi, R Thompson, A Tkabladze, S Tkachenko, L Todor, C Tur, M Ungaro, Mf Vineyard, Av Vlassov, K Wang, Lb Weinstein, H Weller, Dp Weygand, M Williams, E Wolin, Mh Wood, A Yegneswaran, J Yun, L Zana, J Zhang Jan 2007

Pi(0) Photoproduction On The Proton For Photon Energies From 0.675 To 2.875 Gev, M Dugger, Bg Ritchie, Jp Ball, P Collins, E Pasyuk, Ra Arndt, Wj Briscoe, Ii Strakovsky, Rl Workman, G Adams, M Amarian, P Ambrozewicz, E Anciant, M Anghinolfi, B Asavapibhop, G Asryan, G Audit, H Avakian, H Bagdasaryan, N Baillie, Na Baltzell, S Barrow, M Battaglieri, K Beard, I Bedlinskiy, M Bektasoglu, M Bellis, N Benmouna, Bl Berman, N Bianchi, As Biselli, Be Bonner, S Bouchigny, S Boiarinov, R Bradford, D Branford, Wk Brooks, S Bultmann, Vd Burkert, C Butuceanu, Jr Calarco, Sl Careccia, Ds Carman, B Carnahan, S Chen, Pl Cole, A Coleman, P Coltharp, D Cords, P Corvisiero, D Crabb, H Crannell, Jp Cummings, E De Sanctis, R De Vita, Pv Degtyarenko, H Denizli, L Dennis, A Deur, Kv Dharmawardane, Ks Dhuga, R Dickson, C Djalali, Ge Dodge, J Donnelly, D Doughty, P Dragovitsch, S Dytman, Op Dzyubak, H Egiyan, Ks Egiyan, L Elouadrhiri, A Empl, P Eugenio, R Fatemi, G Fedotov, G Feldman, Rj Feuerbach, J Ficenec, Ta Forest, H Funsten, M Garcon, G Gavalian, Gp Gilfoyle, Kl Giovanetti, Fx Girod, Jt Goetz, Rw Gothe, Ka Griffioen, M Guidal, M Guillo, N Guler, L Guo, V Gyurjyan, C Hadjidakis, Rs Hakobyan, J Hardie, D Heddle, Fw Hersman, K Hicks, I Hleiqawi, M Holtrop, J Hu, M Huertas, Ce Hyde-Wright, Y Ilieva, Dg Ireland, Bs Ishkhanov, Mm Ito, D Jenkins, Hs Jo, K Joo, Hg Juengst, N Kalantarians, Jd Kellie, M Khandaker, Ky Kim, K Kim, W Kim, A Klein, Fj Klein, Av Klimenko, M Klusman, M Kossov, Z Krahn, Lh Kramer, V Kubarovsky, J Kuhn, Se Kuhn, V Kuznetsov, J Lachniet, Jm Laget, J Langheinrich, D Lawrence, T Lee, Acs Lima, K Livingston, K Lukashin, Jj Manak, C Marchand, Lc Maximon, S Mcaleer, B Mckinnon, Jwc Mcnabb, Ba Mecking, Md Mestayer, Ca Meyer, T Mibe, K Mikhailov, R Minehart, M Mirazita, R Miskimen, V Mokeev, K Moriya, Sa Morrow, V Muccifora, J Mueller, Gs Mutchler, P Nadel-Turonski, J Napolitano, R Nasseripour, S Niccolai, G Niculescu, I Niculescu, Bb Niczyporuk, M Niroula, Ra Niyazov, M Nozar, Gv O'Rielly, M Osipenko, Ai Ostrovidov, K Park, C Paterson, Sa Philips, J Pierce, N Pivnyuk, D Pocanic, O Pogorelko, S Pozdniakov, Bm Preedom, Jw Price, Y Prok, D Protopopescu, Lm Qin, Ba Raue, G Riccardi, G Ricco, M Ripani, F Ronchetti, G Rosner, P Rossi, D Rowntree, Pd Rubin, F Sabatie, J Slamanca, C Salgado, Jp Santoro, V Sapunenko, Ra Schumacher, Vs Serov, A Shafi, Yg Sharabian, J Shaw, S Simionatto, Av Skabelin, Es Smith, Lc Smith, Di Sober, M Spraker, A Stavinsky, Ss Stepanyan, S Stepanyan, Be Stokes, P Stoler, S Strauch, M Taiuti, S Taylor, Dj Tedeschi, R Thompson, A Tkabladze, S Tkachenko, L Todor, C Tur, M Ungaro, Mf Vineyard, Av Vlassov, K Wang, Lb Weinstein, H Weller, Dp Weygand, M Williams, E Wolin, Mh Wood, A Yegneswaran, J Yun, L Zana, J Zhang

Michael Williams

Differential cross sections for the reaction $\gamma p \to p \pi^0$ have been measured with the CEBAF Large Acceptance Spectrometer (CLAS) and a tagged photon beam with energies from 0.675 to 2.875 GeV. The results reported here possess greater accuracy in the absolute normalization than previous measurements. They disagree with recent CB-ELSA measurements for the process at forward scattering angles. Agreement with the SAID and MAID fits is found below 1 GeV. The present set of cross sections has been incorporated into the SAID database, and exploratory fits have been extended to 3 GeV. Resonance couplings have been extracted and …


Measurement Of Coherent Phi-Meson Photoproduction From The Deuteron At Low Energies, T Mibe, H Gao, K Hicks, K Kramer, S Stepanyan, Dj Tedeschi, Mj Amaryan, P Ambrozewicz, M Anghinolfi, G Asryan, G Audit, H Avakian, H Bagdasaryan, N Baillie, Jp Ball, Na Baltzell, M Battaglieri, I Bedlinskiy, M Bellis, N Benmouna, Bl Berman, As Biselli, L Blaszczyk, S Bouchigny, S Boiarinov, R Bradford, D Branford, Wj Briscoe, Wk Brooks, S Bultmann, Vd Burkert, C Butuceanu, Jr Calarco, Sl Careccia, Ds Carman, S Chen, Pl Cole, P Collins, P Coltharp, D Crabb, H Crannell, V Crede, Jp Cummings, N Dashyan, R De Masi, R De Vita, E De Sanctis, Pv Degtyarenko, A Deur, Kv Dharmawardane, R Dickson, C Djalali, Ge Dodge, J Donnelly, D Doughty, M Dugger, Op Dzyubak, M Garcon, G Gavalian, Gp Gilfoyle, Kl Giovanetti, Fx Girod, Jt Goetz, A Gonenc, Cio Gordon, Rw Gothe, Ka Griffioen, M Guidal, N Guler, L Guo, V Gyurjyan, C Hadjidakis, K Hafidi, H Hakobyan, Rs Hakobyan, C Hanretty, J Hardie, Fw Hersman, I Hleiqawi, M Holtrop, Ce Hyde-Wright, Y Ilieva, Dg Ireland, Bs Ishkhanov, El Isupov, Mm Ito, D Jenkins, Hs Jo, Jr Johnstone, K Joo, Hg Juengst, N Kalantarians, Jd Kellie, M Khandaker, W Kim, A Klein, Fj Klein, Av Klimenko, M Kossov, Z Krahn, Lh Kramer, V Kubarovsky, J Kuhn, Se Kuhn, Sv Kuleshov, V Kuznetsov, J Lachniet, Jm Laget, J Langheinrich, D Lawrence, T Lee, J Li, K Livingston, Hy Lu, M Maccormick, C Marchand, N Markov, P Mattione, B Mckinnon, Ba Mecking, Jj Melone, Md Mestayer, Ca Meyer, K Mikhailov, R Minehart, M Mirazita, R Miskimen, V Mokeev, K Moriya, Sa Morrow, M Moteabbed, E Munevar, Gs Mutchler, P Nadel-Turonski, R Nasseripour, S Niccolai, G Niculescu, I Niculescu, Bb Niczyporuk, Mr Niroula, Ra Niyazov, M Nozar, M Osipenko, Ai Ostrovidov, K Park, E Pasyuk, C Paterson, Sa Pereira, J Pierce, N Pivnyuk, D Pocanic, O Pogorelko, S Pozdniakov, Jw Price, Y Prok, D Protopopescu, Ba Raue, G Riccardi, G Ricco, M Ripani, Bg Ritchie, F Ronchetti, G Rosner, P Rossi, F Sabatie, J Salamanca, C Salgado, Jp Santoro, V Sapunenko, Ra Schumacher, Vs Serov, Yg Sharabian, D Sharov, Nv Shvedunov, Es Smith, Lc Smith, Di Sober, D Sokhan, A Stavinsky, Ss Stepanyan, Be Stokes, P Stoler, Ii Strakovsky, S Strauch, M Taiuti, U Thoma, A Tkabladze, S Tkachenko, L Todor, C Tur, M Ungaro, Mf Vineyard, Av Vlassov, Dp Watts, Lb Weinstein, Dp Weygand, M Williams, E Wolin, Mh Wood, A Yegneswaran, L Zana, J Zhang, B Zhao, Zw Zhao Jan 2007

Measurement Of Coherent Phi-Meson Photoproduction From The Deuteron At Low Energies, T Mibe, H Gao, K Hicks, K Kramer, S Stepanyan, Dj Tedeschi, Mj Amaryan, P Ambrozewicz, M Anghinolfi, G Asryan, G Audit, H Avakian, H Bagdasaryan, N Baillie, Jp Ball, Na Baltzell, M Battaglieri, I Bedlinskiy, M Bellis, N Benmouna, Bl Berman, As Biselli, L Blaszczyk, S Bouchigny, S Boiarinov, R Bradford, D Branford, Wj Briscoe, Wk Brooks, S Bultmann, Vd Burkert, C Butuceanu, Jr Calarco, Sl Careccia, Ds Carman, S Chen, Pl Cole, P Collins, P Coltharp, D Crabb, H Crannell, V Crede, Jp Cummings, N Dashyan, R De Masi, R De Vita, E De Sanctis, Pv Degtyarenko, A Deur, Kv Dharmawardane, R Dickson, C Djalali, Ge Dodge, J Donnelly, D Doughty, M Dugger, Op Dzyubak, M Garcon, G Gavalian, Gp Gilfoyle, Kl Giovanetti, Fx Girod, Jt Goetz, A Gonenc, Cio Gordon, Rw Gothe, Ka Griffioen, M Guidal, N Guler, L Guo, V Gyurjyan, C Hadjidakis, K Hafidi, H Hakobyan, Rs Hakobyan, C Hanretty, J Hardie, Fw Hersman, I Hleiqawi, M Holtrop, Ce Hyde-Wright, Y Ilieva, Dg Ireland, Bs Ishkhanov, El Isupov, Mm Ito, D Jenkins, Hs Jo, Jr Johnstone, K Joo, Hg Juengst, N Kalantarians, Jd Kellie, M Khandaker, W Kim, A Klein, Fj Klein, Av Klimenko, M Kossov, Z Krahn, Lh Kramer, V Kubarovsky, J Kuhn, Se Kuhn, Sv Kuleshov, V Kuznetsov, J Lachniet, Jm Laget, J Langheinrich, D Lawrence, T Lee, J Li, K Livingston, Hy Lu, M Maccormick, C Marchand, N Markov, P Mattione, B Mckinnon, Ba Mecking, Jj Melone, Md Mestayer, Ca Meyer, K Mikhailov, R Minehart, M Mirazita, R Miskimen, V Mokeev, K Moriya, Sa Morrow, M Moteabbed, E Munevar, Gs Mutchler, P Nadel-Turonski, R Nasseripour, S Niccolai, G Niculescu, I Niculescu, Bb Niczyporuk, Mr Niroula, Ra Niyazov, M Nozar, M Osipenko, Ai Ostrovidov, K Park, E Pasyuk, C Paterson, Sa Pereira, J Pierce, N Pivnyuk, D Pocanic, O Pogorelko, S Pozdniakov, Jw Price, Y Prok, D Protopopescu, Ba Raue, G Riccardi, G Ricco, M Ripani, Bg Ritchie, F Ronchetti, G Rosner, P Rossi, F Sabatie, J Salamanca, C Salgado, Jp Santoro, V Sapunenko, Ra Schumacher, Vs Serov, Yg Sharabian, D Sharov, Nv Shvedunov, Es Smith, Lc Smith, Di Sober, D Sokhan, A Stavinsky, Ss Stepanyan, Be Stokes, P Stoler, Ii Strakovsky, S Strauch, M Taiuti, U Thoma, A Tkabladze, S Tkachenko, L Todor, C Tur, M Ungaro, Mf Vineyard, Av Vlassov, Dp Watts, Lb Weinstein, Dp Weygand, M Williams, E Wolin, Mh Wood, A Yegneswaran, L Zana, J Zhang, B Zhao, Zw Zhao

Michael Williams

The cross section and decay angular distributions for the coherent ϕ-meson photoproduction on the deuteron have been measured for the first time up to a squared four-momentum transfer t=(pγ-pϕ)2=-2 GeV2/c2, using the CLAS detector at the Thomas Jefferson National Accelerator Facility. The cross sections are compared with predictions from a rescattering model. In a framework of vector meson dominance, the data are consistent with the total ϕ-N cross section σϕN at about 10 mb. If vector meson dominance is violated, a larger σϕN is possible by introducing a larger t slope for the ϕN→ϕN process than that for the γN→ϕN …


Cascade Production In The Reactions Gamma P -> K+K+(X) And Gamma P -> K+K+Pi(-)(X), L Guo, Dp Weygand, M Battaglieri, R De Vita, V Kubarovsky, P Stoler, Mj Amaryan, P Ambrozewicz, M Anghinolfi, G Asryan, H Avakian, H Bagdasaryan, N Baillie, Jp Ball, Na Baltzell, V Batourine, M Battaglieri, I Bedlinskiy, M Bellis, N Benmouna, Bl Berman, As Biselli, L Blaszczyk, S Bouchigny, S Boiarinov, R Bradford, D Branford, Wj Briscoe, Wk Brooks, S Bultmann, Vd Burkert, C Butuceanu, Jr Calarco, Sl Careccia, Ds Carman, S Chen, Pl Cole, P Collins, P Coltharp, D Crabb, H Crannell, V Crede, Jp Cummings, N Dashyan, R De Masi, R De Vita, E De Sanctis, Pv Degtyarenko, A Deur, Kv Dharmawardane, R Dickson, C Djalali, Ge Dodge, J Donnelly, D Doughty, M Dugger, Op Dzyubak, H Egiyan, Ks Egiyan, L El Fassi, L Elouadrhiri, P Eugenio, G Fedotov, G Feldman, H Funsten, M Garcon, G Gavalian, Gp Gilfoyle, Kl Giovanetti, Fx Girod, Jt Goetz, A Gonenc, Cio Gordon, Rw Gothe, Ka Griffioen, M Guidal, N Guler, V Gyurjyan, C Hadjidakis, K Hafidi, H Hakobyan, Rs Hakobyan, C Hanretty, J Hardie, Fw Hersman, K Hicks, I Hleiqawi, M Holtrop, Ce Hyde-Wright, Y Ilieva, Dg Ireland, Bs Ishkhanov, El Isupov, Mm Ito, D Jenkins, R Johnstone, Hs Jo, K Joo, Hg Juengst, N Kalantarians, Jd Kellie, M Khandaker, W Kim, A Klein, Fj Klein, Av Klimenko, M Kossov, Z Krahn, Lh Kramer, J Kuhn, Se Kuhn, Sv Kuleshov, J Lachniet, Jm Laget, J Langheinrich, D Lawrence, T Lee, J Li, K Livingston, Hy Lu, M Maccormick, N Markov, P Mattione, B Mckinnon, Ba Mecking, Jj Melone, Md Mestayer, Ca Meyer, T Mibe, K Mikhailov, R Minehart, M Mirazita, R Miskimen, V Mokeev, K Moriya, Sa Morrow, M Moteabbed, E Munevar, Gs Mutchler, P Nadel-Turonski, R Nasseripour, S Niccolai, G Niculescu, I Niculescu, Bb Niczyporuk, Mr Niroula, Ra Niyazov, M Nozar, M Osipenko, Ai Ostrovidov, K Park, E Pasyuk, C Paterson, Sa Pereira, J Pierce, N Pivnyuk, D Pocanic, O Pogorelko, S Pozdniakov, Jw Price, Y Prok, D Protopopescu, Ba Raue, G Riccardi, G Ricco, M Ripani, Bg Ritchie, F Ronchetti, G Rosner, P Rossi, F Sabatie, J Salamanca, C Salgado, Jp Santoro, V Sapunenko, Ra Schumacher, Vs Serov, Yg Sharabian, D Sharov, Nv Shvedunov, Es Smith, Lc Smith, Di Sober, D Sokhan, A Stavinsky, Ss Stepanyan, S Stepanyan, Be Stokes, Ii Strakovsky, S Strauch, M Taiuti, Dj Tedeschi, U Thoma, A Tkabladze, S Tkachenko, L Todor, C Tur, M Ungaro, Mf Vineyard, Av Vlassov, Dp Watts, Lb Weinstein, M Williams, E Wolin, Mh Wood, A Yegneswaran, L Zana, J Zhang, B Zhao, Zw Zhao Jan 2007

Cascade Production In The Reactions Gamma P -> K+K+(X) And Gamma P -> K+K+Pi(-)(X), L Guo, Dp Weygand, M Battaglieri, R De Vita, V Kubarovsky, P Stoler, Mj Amaryan, P Ambrozewicz, M Anghinolfi, G Asryan, H Avakian, H Bagdasaryan, N Baillie, Jp Ball, Na Baltzell, V Batourine, M Battaglieri, I Bedlinskiy, M Bellis, N Benmouna, Bl Berman, As Biselli, L Blaszczyk, S Bouchigny, S Boiarinov, R Bradford, D Branford, Wj Briscoe, Wk Brooks, S Bultmann, Vd Burkert, C Butuceanu, Jr Calarco, Sl Careccia, Ds Carman, S Chen, Pl Cole, P Collins, P Coltharp, D Crabb, H Crannell, V Crede, Jp Cummings, N Dashyan, R De Masi, R De Vita, E De Sanctis, Pv Degtyarenko, A Deur, Kv Dharmawardane, R Dickson, C Djalali, Ge Dodge, J Donnelly, D Doughty, M Dugger, Op Dzyubak, H Egiyan, Ks Egiyan, L El Fassi, L Elouadrhiri, P Eugenio, G Fedotov, G Feldman, H Funsten, M Garcon, G Gavalian, Gp Gilfoyle, Kl Giovanetti, Fx Girod, Jt Goetz, A Gonenc, Cio Gordon, Rw Gothe, Ka Griffioen, M Guidal, N Guler, V Gyurjyan, C Hadjidakis, K Hafidi, H Hakobyan, Rs Hakobyan, C Hanretty, J Hardie, Fw Hersman, K Hicks, I Hleiqawi, M Holtrop, Ce Hyde-Wright, Y Ilieva, Dg Ireland, Bs Ishkhanov, El Isupov, Mm Ito, D Jenkins, R Johnstone, Hs Jo, K Joo, Hg Juengst, N Kalantarians, Jd Kellie, M Khandaker, W Kim, A Klein, Fj Klein, Av Klimenko, M Kossov, Z Krahn, Lh Kramer, J Kuhn, Se Kuhn, Sv Kuleshov, J Lachniet, Jm Laget, J Langheinrich, D Lawrence, T Lee, J Li, K Livingston, Hy Lu, M Maccormick, N Markov, P Mattione, B Mckinnon, Ba Mecking, Jj Melone, Md Mestayer, Ca Meyer, T Mibe, K Mikhailov, R Minehart, M Mirazita, R Miskimen, V Mokeev, K Moriya, Sa Morrow, M Moteabbed, E Munevar, Gs Mutchler, P Nadel-Turonski, R Nasseripour, S Niccolai, G Niculescu, I Niculescu, Bb Niczyporuk, Mr Niroula, Ra Niyazov, M Nozar, M Osipenko, Ai Ostrovidov, K Park, E Pasyuk, C Paterson, Sa Pereira, J Pierce, N Pivnyuk, D Pocanic, O Pogorelko, S Pozdniakov, Jw Price, Y Prok, D Protopopescu, Ba Raue, G Riccardi, G Ricco, M Ripani, Bg Ritchie, F Ronchetti, G Rosner, P Rossi, F Sabatie, J Salamanca, C Salgado, Jp Santoro, V Sapunenko, Ra Schumacher, Vs Serov, Yg Sharabian, D Sharov, Nv Shvedunov, Es Smith, Lc Smith, Di Sober, D Sokhan, A Stavinsky, Ss Stepanyan, S Stepanyan, Be Stokes, Ii Strakovsky, S Strauch, M Taiuti, Dj Tedeschi, U Thoma, A Tkabladze, S Tkachenko, L Todor, C Tur, M Ungaro, Mf Vineyard, Av Vlassov, Dp Watts, Lb Weinstein, M Williams, E Wolin, Mh Wood, A Yegneswaran, L Zana, J Zhang, B Zhao, Zw Zhao

Michael Williams

Photoproduction of the cascade resonances has been investigated in the reactions γp→K+K+(X) and γp→K+K+π-(X). The mass splitting of the ground state (Ξ-,Ξ0) doublet is measured to be 5.4±1.8 MeV/c2, consistent with existing measurements. The differential (total) cross sections for the Ξ- have been determined for photon beam energies from 2.75 to 3.85 (4.75) GeV and are consistent with a production mechanism of Y*→K+Ξ- through a t-channel process. The reaction γp→K+K+π-[Ξ0] has also been investigated to search of excited cascade resonances. No significant signal of excited cascade states other than the Ξ-(1530) is observed. The cross-section results of the Ξ-(1530) have …


Separated Structure Functions For The Exclusive Electroproduction Of K+Lambda And K+Sigma(0) Final States, P Ambrozewicz, Ds Carman, Rj Feuerbach, Md Mestayer, Ba Raue, Ra Schumacher, A Tkabladze, Mj Amarian, M Anghinolfi, B Asavapibhop, G Asryan, H Avakian, H Bagdasaryan, N Baillie, Jp Ball, Na Baltzell, S Barrow, V Batourine, M Battaglieri, K Beard, I Bedlinskiy, M Bektasoglu, M Bellis, N Benmouna, Bl Berman, N Bianchi, As Biselli, Be Bonner, S Bouchigny, S Boiarinov, R Bradford, D Branford, Wj Briscoe, Wk Brooks, S Bultmann, Vd Burkert, C Butuceanu, Jr Calarco, Sl Careccia, C Cetina, S Chen, Pl Cole, P Collins, P Coltharp, D Cords, P Corvisiero, D Crabb, V Crede, Jp Cummings, N Dashyan, R De Masi, R De Vita, E De Sanctis, Pv Degtyarenko, L Dennis, A Deur, Ks Dhuga, R Dickson, C Djalali, Ge Dodge, J Donnelly, D Doughty, P Dragovitsch, M Dugger, S Dytman, Op Dzyubak, H Egiyan, Ks Egiyan, L El Fassi, L Elouadrhiri, A Empl, P Eugenio, L Farhi, R Fatemi, G Fedotov, G Feldman, Ta Forest, V Frolov, H Funsten, M Garcon, G Gavalian, Gp Gilfoyle, Kl Giovanetti, P Girard, Fx Girod, Jt Goetz, A Gonenc, Rw Gothe, Ka Griffioen, M Guidal, M Guillo, N Guler, L Guo, V Gyurjyan, K Hafidi, H Hakobyan, J Hardie, D Heddle, Fw Hersman, K Hicks, I Hleiqawi, M Holtrop, J Hu, Ce Hyde-Wright, Y Ilieva, Dg Ireland, Bs Ishkhanov, El Isupov, Mm Ito, D Jenkins, Hs Jo, K Joo, Hg Juengst, N Kalantarians, Jd Kellie, M Khandaker, Ky Kim, K Kim, W Kim, A Klein, Fj Klein, M Klusman, M Kossov, Lh Kramer, V Kubarovsky, J Kuhn, Se Kuhn, Sv Kuleshov, J Lachniet, Jm Laget, J Langheinrich, D Lawrence, K Livingston, Hy Lu, K Lukashin, M Maccormick, Jj Manak, N Markov, S Mcaleer, B Mckinnon, Jwc Mcnabb, Ba Mecking, Ca Meyer, T Mibe, K Mikhailov, R Minehart, M Mirazita, R Miskimen, V Mokeev, K Moriya, Sa Morrow, M Moteabbed, V Muccifora, J Mueller, Gs Mutchler, P Nadel-Turonski, J Napolitano, R Nasseripour, S Niccolai, G Niculescu, I Niculescu, Bb Niczyporuk, Mr Niroula, Ra Niyazov, M Nozar, Gv O'Rielly, M Osipenko, Ai Ostrovidov, K Park, E Pasyuk, C Paterson, Sa Philips, J Pierce, N Pivnyuk, D Pocanic, O Pogorelko, E Polli, S Pozdniakov, Bm Preedom, Jw Price, Y Prok, D Protopopescu, Lm Qin, G Riccardi, G Ricco, M Ripani, Bg Ritchie, F Ronchetti, G Rosner, P Rossi, D Rowntree, Pd Rubin, F Sabatie, J Salamanca, C Salgado, Jp Santoro, V Sapunenko, D Sayre, Vs Serov, A Shafi, Yg Sharabian, Nv Shvedunov, S Simionatto, Av Skabelin, Es Smith, Lc Smith, Di Sober, D Sokhan, A Stavinsky, Ss Stepanyan, S Stepanyan, Be Stokes, P Stoler, Ii Strakovsky, S Strauch, M Taiuti, S Taylor, Dj Tedeschi, R Thompson, S Tkachenko, C Tur, M Ungaro, Mf Vineyard, Av Vlassov, K Wang, Dp Watts, Lb Weinstein, Dp Weygand, M Williams, E Wolin, Mh Wood, A Yegneswaran, J Yun, L Zana, J Zhang, B Zhao, Zw Zhao Jan 2007

Separated Structure Functions For The Exclusive Electroproduction Of K+Lambda And K+Sigma(0) Final States, P Ambrozewicz, Ds Carman, Rj Feuerbach, Md Mestayer, Ba Raue, Ra Schumacher, A Tkabladze, Mj Amarian, M Anghinolfi, B Asavapibhop, G Asryan, H Avakian, H Bagdasaryan, N Baillie, Jp Ball, Na Baltzell, S Barrow, V Batourine, M Battaglieri, K Beard, I Bedlinskiy, M Bektasoglu, M Bellis, N Benmouna, Bl Berman, N Bianchi, As Biselli, Be Bonner, S Bouchigny, S Boiarinov, R Bradford, D Branford, Wj Briscoe, Wk Brooks, S Bultmann, Vd Burkert, C Butuceanu, Jr Calarco, Sl Careccia, C Cetina, S Chen, Pl Cole, P Collins, P Coltharp, D Cords, P Corvisiero, D Crabb, V Crede, Jp Cummings, N Dashyan, R De Masi, R De Vita, E De Sanctis, Pv Degtyarenko, L Dennis, A Deur, Ks Dhuga, R Dickson, C Djalali, Ge Dodge, J Donnelly, D Doughty, P Dragovitsch, M Dugger, S Dytman, Op Dzyubak, H Egiyan, Ks Egiyan, L El Fassi, L Elouadrhiri, A Empl, P Eugenio, L Farhi, R Fatemi, G Fedotov, G Feldman, Ta Forest, V Frolov, H Funsten, M Garcon, G Gavalian, Gp Gilfoyle, Kl Giovanetti, P Girard, Fx Girod, Jt Goetz, A Gonenc, Rw Gothe, Ka Griffioen, M Guidal, M Guillo, N Guler, L Guo, V Gyurjyan, K Hafidi, H Hakobyan, J Hardie, D Heddle, Fw Hersman, K Hicks, I Hleiqawi, M Holtrop, J Hu, Ce Hyde-Wright, Y Ilieva, Dg Ireland, Bs Ishkhanov, El Isupov, Mm Ito, D Jenkins, Hs Jo, K Joo, Hg Juengst, N Kalantarians, Jd Kellie, M Khandaker, Ky Kim, K Kim, W Kim, A Klein, Fj Klein, M Klusman, M Kossov, Lh Kramer, V Kubarovsky, J Kuhn, Se Kuhn, Sv Kuleshov, J Lachniet, Jm Laget, J Langheinrich, D Lawrence, K Livingston, Hy Lu, K Lukashin, M Maccormick, Jj Manak, N Markov, S Mcaleer, B Mckinnon, Jwc Mcnabb, Ba Mecking, Ca Meyer, T Mibe, K Mikhailov, R Minehart, M Mirazita, R Miskimen, V Mokeev, K Moriya, Sa Morrow, M Moteabbed, V Muccifora, J Mueller, Gs Mutchler, P Nadel-Turonski, J Napolitano, R Nasseripour, S Niccolai, G Niculescu, I Niculescu, Bb Niczyporuk, Mr Niroula, Ra Niyazov, M Nozar, Gv O'Rielly, M Osipenko, Ai Ostrovidov, K Park, E Pasyuk, C Paterson, Sa Philips, J Pierce, N Pivnyuk, D Pocanic, O Pogorelko, E Polli, S Pozdniakov, Bm Preedom, Jw Price, Y Prok, D Protopopescu, Lm Qin, G Riccardi, G Ricco, M Ripani, Bg Ritchie, F Ronchetti, G Rosner, P Rossi, D Rowntree, Pd Rubin, F Sabatie, J Salamanca, C Salgado, Jp Santoro, V Sapunenko, D Sayre, Vs Serov, A Shafi, Yg Sharabian, Nv Shvedunov, S Simionatto, Av Skabelin, Es Smith, Lc Smith, Di Sober, D Sokhan, A Stavinsky, Ss Stepanyan, S Stepanyan, Be Stokes, P Stoler, Ii Strakovsky, S Strauch, M Taiuti, S Taylor, Dj Tedeschi, R Thompson, S Tkachenko, C Tur, M Ungaro, Mf Vineyard, Av Vlassov, K Wang, Dp Watts, Lb Weinstein, Dp Weygand, M Williams, E Wolin, Mh Wood, A Yegneswaran, J Yun, L Zana, J Zhang, B Zhao, Zw Zhao

Michael Williams

The photoproduction of vector mesons on various nuclei has been studied using the CLAS detector at Jefferson Laboratory. The vector mesons, rho, omega, and varphi, are observed via their decay to e;{+}e;{-}, in order to reduce the effects of final-state interactions in the nucleus. Of particular interest are possible in-medium effects on the properties of the rho meson. The rho mass spectrum is extracted from the data on various nuclei, 2H, C, Fe, and Ti. We observe no significant mass shift and some broadening consistent with expected collisional broadening for the rho meson.


On Inferring And Characterizing Internet Routing Policies, F Wang, L Gao Jan 2007

On Inferring And Characterizing Internet Routing Policies, F Wang, L Gao

Lixin Gao

No abstract provided.


Prediction-Based Routing For Vehicular Ad Hoc Networks, V Namboodiri, L Gao Jan 2007

Prediction-Based Routing For Vehicular Ad Hoc Networks, V Namboodiri, L Gao

Lixin Gao

No abstract provided.


Profilin Is Essential For Tip Growth In The Moss Physcomitrella Patens, L Vidali, Rc Augustine, Kp Kleinman, M Bezanilla Jan 2007

Profilin Is Essential For Tip Growth In The Moss Physcomitrella Patens, L Vidali, Rc Augustine, Kp Kleinman, M Bezanilla

Magdalena Bezanilla

The actin cytoskeleton is critical for tip growth in plants. Profilin is the main monomer actin binding protein in plant cells. The moss Physcomitrella patens has three profilin genes, which are monophyletic, suggesting a single ancestor for plant profilins. Here, we used RNA interference (RNAi) to determine the loss-of-function phenotype of profilin. Reduction of profilin leads to a complete loss of tip growth and a partial inhibition of cell division, resulting in plants with small rounded cells and fewer cells. We silenced all profilins by targeting their 3′ untranslated region sequences, enabling complementation analyses by expression of profilin coding sequences. …


Slouching Toward Optimality: Coda Reduction In Ot-Cc, John J. Mccarthy Jan 2007

Slouching Toward Optimality: Coda Reduction In Ot-Cc, John J. Mccarthy

Linguistics Department Faculty Publication Series

There is a well-established asymmetry in the behavior of medial consonant clusters: the first consonant in the cluster can undergo assimilation or deletion, but the second consonant in the cluster cannot. This article presents an explanation for that asymmetry based on a version of Optimality Theory with candidate chains (McCarthy (2006a)). The key idea is that a consonant can only assimilate or delete if it first loses its place features by debuccalizing, and debuccalization is only possible in coda position.


Less Than Zero: Correspondence And The Null Output, John J. Mccarthy, Matthew Wolf Jan 2007

Less Than Zero: Correspondence And The Null Output, John J. Mccarthy, Matthew Wolf

Linguistics Department Faculty Publication Series

In this chapter, we have argued for a revision of correspondence theory in which strings rather than segments are the formal objects that stand in correspondence. In this revision, well-behaved unfaithful mappings do not alter ℜ’s status is a total bijective function. Candidates with a less orderly ℜ violate MPARSE; among these candidates there is one that harmonically bounds all of the others, the null output &#;. The primary goal of this project is to explain why &#; uniquely violates no constraints except MPARSE, making it suitable for the analysis of phonologically-conditioned gaps. Along the way, we have also discussed …