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Open Access. Powered by Scholars. Published by Universities.®

2007

Michael Williams

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Articles 1 - 9 of 9

Full-Text Articles in Earth Sciences

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 …


Experimental Study Of Exclusive H-2(E,E ' P)N Reaction Mechanisms At High Q(2), Ks Egiyan, G Asryan, N Gevorgyan, Ka Griffioen, Jm Laget, Se Kuhn, G Adams, Mj Amaryan, P Ambrozewicz, M Anghinolfi, G Audit, H Avakian, H Bagdasaryan, N Baillie, Jp Ball, Na Baltzell, S Barrow, V Batourine, 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 Bultmann, Vd Burkert, C Butuceanu, Jr Calarco, Sl Careccia, Ds Carman, A Cazes, 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, H Denizli, L Dennis, A Deur, Kv Dharmawardane, R Dickson, C Djalali, Ge Dodge, J Donnelly, D Doughty, M Dugger, S Dytman, Op Dzyubak, H Egiyan, L El Fassi, L Elouadrhiri, P Eugenio, R Fatemi, G Fedotov, G Feldman, Rj Feuerbach, R Fersch, M Garcon, G Gavalian, Gp Gilfoyle, Kl Giovanetti, Fx Girod, Jt Goetz, A Gonenc, Cio Gordon, Rw Gothe, M Guidal, M Guillo, 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, 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, Sv Kuleshov, J Lachniet, J Langheinrich, D Lawrence, J Li, K Livingston, Hy Lu, M Maccormick, C Marchand, 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, 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 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, Nv Shvedunov, Av Skabelin, Es Smith, Lc Smith, Di Sober, D Sokhan, A Stavinsky, Ss Stepanyan, S Stepanyan, Be Stokes, P Stoler, 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, Dp Weygand, M Williams, E Wolin, Mh Wood, A Yegneswaran, L Zana, J Zhang, B Zhao, Zw Zhao Jan 2007

Experimental Study Of Exclusive H-2(E,E ' P)N Reaction Mechanisms At High Q(2), Ks Egiyan, G Asryan, N Gevorgyan, Ka Griffioen, Jm Laget, Se Kuhn, G Adams, Mj Amaryan, P Ambrozewicz, M Anghinolfi, G Audit, H Avakian, H Bagdasaryan, N Baillie, Jp Ball, Na Baltzell, S Barrow, V Batourine, 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 Bultmann, Vd Burkert, C Butuceanu, Jr Calarco, Sl Careccia, Ds Carman, A Cazes, 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, H Denizli, L Dennis, A Deur, Kv Dharmawardane, R Dickson, C Djalali, Ge Dodge, J Donnelly, D Doughty, M Dugger, S Dytman, Op Dzyubak, H Egiyan, L El Fassi, L Elouadrhiri, P Eugenio, R Fatemi, G Fedotov, G Feldman, Rj Feuerbach, R Fersch, M Garcon, G Gavalian, Gp Gilfoyle, Kl Giovanetti, Fx Girod, Jt Goetz, A Gonenc, Cio Gordon, Rw Gothe, M Guidal, M Guillo, 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, 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, Sv Kuleshov, J Lachniet, J Langheinrich, D Lawrence, J Li, K Livingston, Hy Lu, M Maccormick, C Marchand, 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, 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 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, Nv Shvedunov, Av Skabelin, Es Smith, Lc Smith, Di Sober, D Sokhan, A Stavinsky, Ss Stepanyan, S Stepanyan, Be Stokes, P Stoler, 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, Dp Weygand, M Williams, E Wolin, Mh Wood, A Yegneswaran, L Zana, J Zhang, B Zhao, Zw Zhao

Michael Williams

The reaction 2H(e,e′p)n has been studied with full kinematic coverage for photon virtuality 1.75


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.