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Articles 1081 - 1110 of 22111
Full-Text Articles in Entire DC Network
Acceleration And Release Of Solar Energetic Particles Associated With A Coronal Shock On 2021 September 28 Observed By Four Spacecraft, Bin Zhuang, Noé Lugaz, David Lario, Ryun-Young Kwon, Nicolina Chrysaphi, Jonathan Niehof, Tingyu Gou, Lulu Zhao
Acceleration And Release Of Solar Energetic Particles Associated With A Coronal Shock On 2021 September 28 Observed By Four Spacecraft, Bin Zhuang, Noé Lugaz, David Lario, Ryun-Young Kwon, Nicolina Chrysaphi, Jonathan Niehof, Tingyu Gou, Lulu Zhao
Faculty Publications
The main driver of the acceleration of solar energetic particles (SEPs) is believed to be shocks driven by coronal mass ejections. Extreme-ultraviolet (EUV) waves are thought to be the propagating footprint of the shock on the solar surface. One of the key questions in SEP research is the timing of the SEP release with respect to the time when the EUV wave magnetically connects with an observer. Taking advantage of close-to-the-Sun measurements by Parker Solar Probe (PSP) and Solar Orbiter (SolO), we investigate an SEP event that occurred on 2021 September 28 and was observed at different locations by SolO, …
Euhforia Modelling Of The Sun-Earth Chain Of The Magnetic Cloud Of 28 June 2013, G Prete, A Niemela, B Schmieder, Nada Al-Haddad, Bin Zhuang, F Lepreti, V Carbone, S Poedts
Euhforia Modelling Of The Sun-Earth Chain Of The Magnetic Cloud Of 28 June 2013, G Prete, A Niemela, B Schmieder, Nada Al-Haddad, Bin Zhuang, F Lepreti, V Carbone, S Poedts
Faculty Publications
Context. Predicting geomagnetic events starts with an understanding of the Sun-Earth chain phenomena in which (interplanetary) coronal mass ejections (CMEs) play an important role in bringing about intense geomagnetic storms. It is not always straightforward to determine the solar source of an interplanetary coronal mass ejection (ICME) detected at 1 au. Aims. The aim of this study is to test by a magnetohydrodynamic (MHD) simulation the chain of a series of CME events detected from L1 back to the Sun in order to determine the relationship between remote and in situ CMEs. Methods. We analysed both remote-sensing observations and in …
Media Advisory: Experts Available To Comment On Once-In-A-Lifetime Total Solar Eclipse, Robbin Ray
Media Advisory: Experts Available To Comment On Once-In-A-Lifetime Total Solar Eclipse, Robbin Ray
Media Relations
No abstract provided.
Study Finds Fewer Noise Complaints In Nyc Areas With Airbnb Rentals, Aaron Sanborn
Study Finds Fewer Noise Complaints In Nyc Areas With Airbnb Rentals, Aaron Sanborn
UNH Today Archive
No abstract provided.
Lotic-Sipco2: Adaptation Of An Open-Source Co2 Sensor System And Examination Of Associated Emission Uncertainties Across A Range Of Stream Sizes And Land Uses, Andrew L. Robison, Lauren E. Koenig, Jody D. Potter, Lisle E. Snyder, Christopher W. Hunt, William H. Mcdowell, Wilfred M. Wollheim
Lotic-Sipco2: Adaptation Of An Open-Source Co2 Sensor System And Examination Of Associated Emission Uncertainties Across A Range Of Stream Sizes And Land Uses, Andrew L. Robison, Lauren E. Koenig, Jody D. Potter, Lisle E. Snyder, Christopher W. Hunt, William H. Mcdowell, Wilfred M. Wollheim
Faculty Publications
River networks play a crucial role in the global carbon cycle, as relevant sources of carbon dioxide (CO2) to the atmosphere. Advancements in high-frequency monitoring in aquatic environments have enabled measurement of dissolved CO2 concentration at temporal resolutions essential for studying carbon variability and evasion from these dynamic ecosystems. Here, we describe the adaptation, deployment, and validation of an open-source and relatively low-cost in situ pCO2 sensor system for lotic ecosystems, the lotic-SIPCO2. We tested the lotic-SIPCO2 in 10 streams that spanned a range of land cover and basin size. Key system adaptations for lotic environments included prevention of biofouling, …
Observational Features Of Charge Distribution In Earth's Inner Magnetosphere, Lai Gao, Chao Shen, Yufei Zhou, Yong Ji, Zuyin Pu, George Parks, Christopher T. Russell, Gang Zeng, Lan Ma, Roy B. Torbert, Yanyan Yang, James L. Burch
Observational Features Of Charge Distribution In Earth's Inner Magnetosphere, Lai Gao, Chao Shen, Yufei Zhou, Yong Ji, Zuyin Pu, George Parks, Christopher T. Russell, Gang Zeng, Lan Ma, Roy B. Torbert, Yanyan Yang, James L. Burch
Faculty Publications
Understanding the motion of charged particles in the electromagnetic field in the inner magnetosphere is essential for space science and space weather. Charge accumulation can occur due to the dipole magnetic and convective electric fields in this region. However, until the recent Magnetospheric Multiscale (MMS) mission, there were few means to detect charge distribution in situ. We report unambiguous in situ observation of the spatial distribution of the excess charge density in the inner magnetosphere by the MMS mission. We find that a positive (negative) charge accumulates in the dusk (dawn) side inner magnetospheres, which is contrary to the long …
Observational Features Of Charge Distribution In Earth's Inner Magnetosphere, Lai Gao, Chao Shen, Yufei Zhou, Yong Ji, Zuyin Pu, George Parks, Christopher T. Russell, Gang Zeng, Lan Ma, Roy B. Torbert, Yanyan Yang, James L. Burch
Observational Features Of Charge Distribution In Earth's Inner Magnetosphere, Lai Gao, Chao Shen, Yufei Zhou, Yong Ji, Zuyin Pu, George Parks, Christopher T. Russell, Gang Zeng, Lan Ma, Roy B. Torbert, Yanyan Yang, James L. Burch
Faculty Publications
Understanding the motion of charged particles in the electromagnetic field in the inner magnetosphere is essential for space science and space weather. Charge accumulation can occur due to the dipole magnetic and convective electric fields in this region. However, until the recent Magnetospheric Multiscale (MMS) mission, there were few means to detect charge distribution in situ. We report unambiguous in situ observation of the spatial distribution of the excess charge density in the inner magnetosphere by the MMS mission. We find that a positive (negative) charge accumulates in the dusk (dawn) side inner magnetospheres, which is contrary to the long …
Biden, Trump Running Away With Primary Races In Vermont 2/22/2024, Unh Survey Center
Biden, Trump Running Away With Primary Races In Vermont 2/22/2024, Unh Survey Center
All UNH Survey Center Polls
Less than two weeks away from the primary on Super Tuesday, former President Donald Trump holds a 30 percentage point lead over former U.N. Ambassador Nikki Haley among likely Republican Primary voters in Vermont. President Joe Biden holds an even larger lead over Minnesota Representative Dean Phillips, though relatively few Democratic primary voters would be enthusiastic if Biden is the party's nominee. Vermonters rate Biden more highly than Trump on several characteristics. Biden's biggest strengths according to Vermont residents are his honesty, integrity, and temperament, though many rate his mental and physical fitness poorly.
Biden, Trump Dominate Maine Primaries 2/22/2024, Unh Survey Center
Biden, Trump Dominate Maine Primaries 2/22/2024, Unh Survey Center
All UNH Survey Center Polls
The 2024 Maine Presidential Primary is less than two weeks away and more than three-quarters of likely Republican primary voters support former President Donald Trump. President Joe Biden holds an even larger lead on the Democratic side, but likely Democratic voters are less enthusiastic about him becoming the party's nominee. When asked to rate several characteristics of Biden and Trump, majorities rate Biden's temperament, honesty, and integrity more highly than Trump's, but a plurality believe Trump has better mental and physical stamina.
Boost Your Brain And Memory, Michele Kroll
Boost Your Brain And Memory, Michele Kroll
UNH Cooperative Extension
No abstract provided.
What Diameter? What Height? Influence Of Measures Of Average Tree Size On Area-Based Allometric Volume Relationships, Yilin Wang, John A. Kershaw, Mark J. Ducey, Yuan Sun, James B. Mccarter
What Diameter? What Height? Influence Of Measures Of Average Tree Size On Area-Based Allometric Volume Relationships, Yilin Wang, John A. Kershaw, Mark J. Ducey, Yuan Sun, James B. Mccarter
Faculty Publications
Volume is an important attribute used in many forest management decisions. Data from 83 fixed-area plots located in central New Brunswick, Canada, are used to examine how different measures of stand-level diameter and height influence volume prediction using a stand-level variant of Honer's (1967) volume equation. When density was included in the models (Volume=f(Diameter,Height,Density)) choice of diameter measure was more important than choice of height measure. When density was not included (Volume=f(Diameter,Height)), the opposite was true. For models with density included, moment-based estimators of stand diameter and height performed better than all other measures. For models without density, largest tree …
What Diameter? What Height? Influence Of Measures Of Average Tree Size On Area-Based Allometric Volume Relationships, Yilin Wang, John A. Kershaw, Mark J. Ducey, Yuan Sun, James B. Mccarter
What Diameter? What Height? Influence Of Measures Of Average Tree Size On Area-Based Allometric Volume Relationships, Yilin Wang, John A. Kershaw, Mark J. Ducey, Yuan Sun, James B. Mccarter
Faculty Publications
Volume is an important attribute used in many forest management decisions. Data from 83 fixed-area plots located in central New Brunswick, Canada, are used to examine how different measures of stand-level diameter and height influence volume prediction using a stand-level variant of Honer's (1967) volume equation. When density was included in the models (Volume=f(Diameter,Height,Density)) choice of diameter measure was more important than choice of height measure. When density was not included (Volume=f(Diameter,Height)), the opposite was true. For models with density included, moment-based estimators of stand diameter and height performed better than all other measures. For models without density, largest tree …
Detection Of X-Ray Polarization From The Blazar 1es 1959+650 With The Imaging X-Ray Polarimetry Explorer, Manel Errando, Ioannis Liodakis, Alan P. Marscher, Herman L. Marshall, Riccardo Middei, Michela Negro, Abel Lawrence Peirson, Matteo Perri, Simonetta Puccetti, Pazit L. Rabinowitz, Iván Agudo, Svetlana G. Jorstad, Sergey S. Savchenko, Dmitry Blinov, Ioakeim G. Bourbah, Sebastian Kiehlmann, Evangelos Kontopodis, Nikos Mandarakas, Stylianos Romanopoulos, Raphael Skalidis, Anna Vervelaki, Francisco José Aceituno, Maria I. Bernardos, Giacomo Bonnoli, Víctor Casanova
Detection Of X-Ray Polarization From The Blazar 1es 1959+650 With The Imaging X-Ray Polarimetry Explorer, Manel Errando, Ioannis Liodakis, Alan P. Marscher, Herman L. Marshall, Riccardo Middei, Michela Negro, Abel Lawrence Peirson, Matteo Perri, Simonetta Puccetti, Pazit L. Rabinowitz, Iván Agudo, Svetlana G. Jorstad, Sergey S. Savchenko, Dmitry Blinov, Ioakeim G. Bourbah, Sebastian Kiehlmann, Evangelos Kontopodis, Nikos Mandarakas, Stylianos Romanopoulos, Raphael Skalidis, Anna Vervelaki, Francisco José Aceituno, Maria I. Bernardos, Giacomo Bonnoli, Víctor Casanova
Faculty Publications
Observations of linear polarization in the 2–8 keV energy range with the Imaging X-ray Polarimetry Explorer (IXPE) explore the magnetic field geometry and dynamics of the regions generating nonthermal radiation in relativistic jets of blazars. These jets, particularly in blazars whose spectral energy distribution peaks at X-ray energies, emit X-rays via synchrotron radiation from high-energy particles within the jet. IXPE observations of the X-ray-selected BL Lac–type blazar 1ES 1959+650 on 2022 May 3–4 showed a significant linear polarization degree of Πx = 8.0% ± 2.3% at an electric-vector position angle ψ x = 123° ± 8°. However, on 2022 June …
Two-Moment Neutrino Flavor Transformation With Applications To The Fast Flavor Instability In Neutron Star Mergers, Evan Grohs, Sherwood Richers, Sean M. Couch, Francois Foucart, Julien Froustey, James P. Kneller, Gail C. Mclaughlin
Two-Moment Neutrino Flavor Transformation With Applications To The Fast Flavor Instability In Neutron Star Mergers, Evan Grohs, Sherwood Richers, Sean M. Couch, Francois Foucart, Julien Froustey, James P. Kneller, Gail C. Mclaughlin
Faculty Publications
Multi-messenger astrophysics has produced a wealth of data with much more to come in the future. This enormous data set will reveal new insights into the physics of core-collapse supernovae, neutron star mergers, and many other objects where it is actually possible, if not probable, that new physics is in operation. To tease out different possibilities, we will need to analyze signals from photons, neutrinos, gravitational waves, and chemical elements. This task is made all the more difficult when it is necessary to evolve the neutrino component of the radiation field and associated quantum-mechanical property of flavor in order to …
Detection Of X-Ray Polarization From The Blazar 1es 1959+650 With The Imaging X-Ray Polarimetry Explorer, Manel Errando, Ioannis Liodakis, Alan P. Marscher, Herman L. Marshall, Riccardo Middei, Michela Negro, Abel Lawrence Peirson, Matteo Perri, Simonetta Puccetti, Pazit L. Rabinowitz, Iván Agudo, Svetlana G. Jorstad, Sergey S. Savchenko, Dmitry Blinov, Ioakeim G. Bourbah, Sebastian Kiehlmann, Evangelos Kontopodis, Nikos Mandarakas, Stylianos Romanopoulos, Raphael Skalidis, Anna Vervelaki, Francisco José Aceituno, Maria I. Bernardos, Giacomo Bonnoli, Víctor Casanova, Beatriz Agís-González, César Husillos, Alessandro Marchini, Alfredo Sota, Pouya M. Kouch, Elina Lindfors, Carolina Casadio, Juan Escudero, Ioannis Myserlis, Ryo Imazawa, Mahito Sasada, Yasushi Fukazawa, Koji S. Kawabata, Makoto Uemura, Tsunefumi Mizuno, Tatsuya Nakaoka, Hiroshi Akitaya, Mark Gurwell, Garrett K. Keating, Ramprasad Rao, Adam Ingram, Francesco Massaro, Lucio Angelo Antonelli, Raffaella Bonino, Elisabetta Cavazzuti, Chien-Ting Chen, Nicolò Cibrario, Stefano Ciprini, Alessandra De Rosa, Laura Di Gesu, Federico Di Pierro, Immacolata Donnarumma, Steven R. Ehlert, Francesco Fenu, Ephraim Gau, Vladimir Karas, Dawoon E. Kim, Henric Krawczynski, Marco Laurenti, Lindsey Lisalda, Rubén López-Coto, Grzegorz Madejski, Frédéric Marin, Andrea Marinucci, Ikuyuki Mitsuishi, Fabio Muleri, Luigi Pacciani, Alessandro Paggi, Pierre-Olivier Petrucci, Nicole Rodriguez Cavero, Roger W. Romani, Fabrizio Tavecchio, Stefano Tugliani, Kinwah Wu, Matteo Bachetti, Luca Baldini, Wayne H. Baumgartner, Ronaldo Bellazzini, Stefano Bianchi, Stephen D. Bongiorno, Alessandro Brez, Niccolò Bucciantini, Fiamma Capitanio, Simone Castellano, Enrico Costa, Ettore Del Monte, Niccolò Di Lalla, Alessandro Di Marco, Victor Doroshenko, Michal Dovčiak, Teruaki Enoto, Yuri Evangelista, Sergio Fabiani, Riccardo Ferrazzoli, Javier A. Garcia, Shuichi Gunji, Kiyoshi Hayashida, Jeremy Heyl, Wataru Iwakiri, Philip Kaaret, Fabian Kislat, Takao Kitaguchi, Jeffery J. Kolodziejczak, Fabio La Monaca, Luca Latronico, Simone Maldera, Alberto Manfreda, Giorgio Matt, C.-Y. Ng, Stephen L. O’Dell, Nicola Omodei, Chiara Oppedisano, Alessandro Papitto, George G. Pavlov, Melissa Pesce-Rollins, Maura Pilia, Andrea Possenti, Juri Poutanen, Brian D. Ramsey, John Rankin, Ajay Ratheesh, Oliver J. Roberts, Carmelo Sgrò, Patrick Slane, Paolo Soffitta, Gloria Spandre, Douglas A. Swartz, Toru Tamagawa, Roberto Taverna, Yuzuru Tawara, Allyn F. Tennant, Nicholas E. Thomas, Francesco Tombesi, Alessio Trois, Sergey S. Tsygankov, Roberto Turolla, Jacco Vink, Martin C. Weisskopf, Fei Xie, Silvia Zane
Detection Of X-Ray Polarization From The Blazar 1es 1959+650 With The Imaging X-Ray Polarimetry Explorer, Manel Errando, Ioannis Liodakis, Alan P. Marscher, Herman L. Marshall, Riccardo Middei, Michela Negro, Abel Lawrence Peirson, Matteo Perri, Simonetta Puccetti, Pazit L. Rabinowitz, Iván Agudo, Svetlana G. Jorstad, Sergey S. Savchenko, Dmitry Blinov, Ioakeim G. Bourbah, Sebastian Kiehlmann, Evangelos Kontopodis, Nikos Mandarakas, Stylianos Romanopoulos, Raphael Skalidis, Anna Vervelaki, Francisco José Aceituno, Maria I. Bernardos, Giacomo Bonnoli, Víctor Casanova, Beatriz Agís-González, César Husillos, Alessandro Marchini, Alfredo Sota, Pouya M. Kouch, Elina Lindfors, Carolina Casadio, Juan Escudero, Ioannis Myserlis, Ryo Imazawa, Mahito Sasada, Yasushi Fukazawa, Koji S. Kawabata, Makoto Uemura, Tsunefumi Mizuno, Tatsuya Nakaoka, Hiroshi Akitaya, Mark Gurwell, Garrett K. Keating, Ramprasad Rao, Adam Ingram, Francesco Massaro, Lucio Angelo Antonelli, Raffaella Bonino, Elisabetta Cavazzuti, Chien-Ting Chen, Nicolò Cibrario, Stefano Ciprini, Alessandra De Rosa, Laura Di Gesu, Federico Di Pierro, Immacolata Donnarumma, Steven R. Ehlert, Francesco Fenu, Ephraim Gau, Vladimir Karas, Dawoon E. Kim, Henric Krawczynski, Marco Laurenti, Lindsey Lisalda, Rubén López-Coto, Grzegorz Madejski, Frédéric Marin, Andrea Marinucci, Ikuyuki Mitsuishi, Fabio Muleri, Luigi Pacciani, Alessandro Paggi, Pierre-Olivier Petrucci, Nicole Rodriguez Cavero, Roger W. Romani, Fabrizio Tavecchio, Stefano Tugliani, Kinwah Wu, Matteo Bachetti, Luca Baldini, Wayne H. Baumgartner, Ronaldo Bellazzini, Stefano Bianchi, Stephen D. Bongiorno, Alessandro Brez, Niccolò Bucciantini, Fiamma Capitanio, Simone Castellano, Enrico Costa, Ettore Del Monte, Niccolò Di Lalla, Alessandro Di Marco, Victor Doroshenko, Michal Dovčiak, Teruaki Enoto, Yuri Evangelista, Sergio Fabiani, Riccardo Ferrazzoli, Javier A. Garcia, Shuichi Gunji, Kiyoshi Hayashida, Jeremy Heyl, Wataru Iwakiri, Philip Kaaret, Fabian Kislat, Takao Kitaguchi, Jeffery J. Kolodziejczak, Fabio La Monaca, Luca Latronico, Simone Maldera, Alberto Manfreda, Giorgio Matt, C.-Y. Ng, Stephen L. O’Dell, Nicola Omodei, Chiara Oppedisano, Alessandro Papitto, George G. Pavlov, Melissa Pesce-Rollins, Maura Pilia, Andrea Possenti, Juri Poutanen, Brian D. Ramsey, John Rankin, Ajay Ratheesh, Oliver J. Roberts, Carmelo Sgrò, Patrick Slane, Paolo Soffitta, Gloria Spandre, Douglas A. Swartz, Toru Tamagawa, Roberto Taverna, Yuzuru Tawara, Allyn F. Tennant, Nicholas E. Thomas, Francesco Tombesi, Alessio Trois, Sergey S. Tsygankov, Roberto Turolla, Jacco Vink, Martin C. Weisskopf, Fei Xie, Silvia Zane
Faculty Publications
Observations of linear polarization in the 2–8 keV energy range with the Imaging X-ray Polarimetry Explorer (IXPE) explore the magnetic field geometry and dynamics of the regions generating nonthermal radiation in relativistic jets of blazars. These jets, particularly in blazars whose spectral energy distribution peaks at X-ray energies, emit X-rays via synchrotron radiation from high-energy particles within the jet. IXPE observations of the X-ray-selected BL Lac–type blazar 1ES 1959+650 on 2022 May 3–4 showed a significant linear polarization degree of Πx = 8.0% ± 2.3% at an electric-vector position angle ψ x = 123° ± 8°. However, on 2022 June …
Overview Of The Alaskan Layered Pollution And Chemical Analysis (Alpaca) Field Experiment, William R. Simpson, Jingqiu Mao, Gilberto J. Fochesatto, Kathy S. Law, Peter F. Decarlo, Julia Schmale, Kerri A. Pratt, Steve R. Arnold, Jochen Stutz, Jack E. Dibb, Jessie M. Creamean, Rodney J. Weber, Brent J. Williams, Becky Alexander, Lu Hu, Robert J. Yokelson, Manabu Shiraiwa, Stefano Decesari, Cort Anastasio, Barbara D’Anna, Robert C. Gilliam, Athanasios Nenes, Jason M. St. Clair, Barbara Trost, James H. Flynn, Joel Savarino, Laura D. Conner, Nathan Kettle, Krista M. Heeringa, Sarah Albertin, Andrea Baccarini, Brice Barret, Michael A. Battaglia, Slimane Bekki, T. J. Brado, Natalie Brett, David Brus, James R. Campbell, Meeta Cesler-Maloney, Sol Cooperdock, Karolina Cysneiros De Carvalho, Hervé Delbarre, Paul J. Demott, Conor J.S. Dennehy, Elsa Dieudonné, Kayane K. Dingilian, Antonio Donateo, Konstantinos M. Doulgeris, Kasey C. Edwards, Kathleen Fahey, Ting Fang, Fangzhou Guo, Laura M. D. Heinlein, Andrew L. Holen, Deanna Huff, Amna Ijaz, Sarah Johnson, Sukriti Kapur, Damien T. Ketcherside, Ezra Levin, Emily Lill, Allison R. Moon, Tatsuo Onishi, Gianluca Pappaccogli, Russell Perkins, Roman Pohorsky, Jean-Christophe Raut, Francois Ravetta, Tjarda Roberts, Ellis S. Robinson, Federico Scoto, Vanessa Selimovic, Michael O. Sunday, Brice Temime-Roussel, Xinxiu Tian, Judy Wu, Yuhan Yang
Overview Of The Alaskan Layered Pollution And Chemical Analysis (Alpaca) Field Experiment, William R. Simpson, Jingqiu Mao, Gilberto J. Fochesatto, Kathy S. Law, Peter F. Decarlo, Julia Schmale, Kerri A. Pratt, Steve R. Arnold, Jochen Stutz, Jack E. Dibb, Jessie M. Creamean, Rodney J. Weber, Brent J. Williams, Becky Alexander, Lu Hu, Robert J. Yokelson, Manabu Shiraiwa, Stefano Decesari, Cort Anastasio, Barbara D’Anna, Robert C. Gilliam, Athanasios Nenes, Jason M. St. Clair, Barbara Trost, James H. Flynn, Joel Savarino, Laura D. Conner, Nathan Kettle, Krista M. Heeringa, Sarah Albertin, Andrea Baccarini, Brice Barret, Michael A. Battaglia, Slimane Bekki, T. J. Brado, Natalie Brett, David Brus, James R. Campbell, Meeta Cesler-Maloney, Sol Cooperdock, Karolina Cysneiros De Carvalho, Hervé Delbarre, Paul J. Demott, Conor J.S. Dennehy, Elsa Dieudonné, Kayane K. Dingilian, Antonio Donateo, Konstantinos M. Doulgeris, Kasey C. Edwards, Kathleen Fahey, Ting Fang, Fangzhou Guo, Laura M. D. Heinlein, Andrew L. Holen, Deanna Huff, Amna Ijaz, Sarah Johnson, Sukriti Kapur, Damien T. Ketcherside, Ezra Levin, Emily Lill, Allison R. Moon, Tatsuo Onishi, Gianluca Pappaccogli, Russell Perkins, Roman Pohorsky, Jean-Christophe Raut, Francois Ravetta, Tjarda Roberts, Ellis S. Robinson, Federico Scoto, Vanessa Selimovic, Michael O. Sunday, Brice Temime-Roussel, Xinxiu Tian, Judy Wu, Yuhan Yang
Faculty Publications
The Alaskan Layered Pollution And Chemical Analysis (ALPACA) field experiment was a collaborative study designed to improve understanding of pollution sources and chemical processes during winter (cold climate and low-photochemical activity), to investigate indoor pollution, and to study dispersion of pollution as affected by frequent temperature inversions. A number of the research goals were motivated by questions raised by residents of Fairbanks, Alaska, where the study was held. This paper describes the measurement strategies and the conditions encountered during the January and February 2022 field experiment, and reports early examples of how the measurements addressed research goals, particularly those of …
Two-Moment Neutrino Flavor Transformation With Applications To The Fast Flavor Instability In Neutron Star Mergers, Evan Grohs, Sherwood Richers, Sean M. Couch, Francois Foucart, Julien Froustey, James P. Kneller, Gail C. Mclaughlin
Two-Moment Neutrino Flavor Transformation With Applications To The Fast Flavor Instability In Neutron Star Mergers, Evan Grohs, Sherwood Richers, Sean M. Couch, Francois Foucart, Julien Froustey, James P. Kneller, Gail C. Mclaughlin
Faculty Publications
Multi-messenger astrophysics has produced a wealth of data with much more to come in the future. This enormous data set will reveal new insights into the physics of core-collapse supernovae, neutron star mergers, and many other objects where it is actually possible, if not probable, that new physics is in operation. To tease out different possibilities, we will need to analyze signals from photons, neutrinos, gravitational waves, and chemical elements. This task is made all the more difficult when it is necessary to evolve the neutrino component of the radiation field and associated quantum-mechanical property of flavor in order to …
Research Will Advance U.S. Offshore Wind Energy, Michelle Gregoire
Research Will Advance U.S. Offshore Wind Energy, Michelle Gregoire
UNH Today Archive
No abstract provided.
Systematic Effects On A Compton Polarimeter At The Focus Of An X-Ray Mirror, M Aoyagi, R G. Bose, S Chun, E Gau, K Hu, K Ishiwata, N K. Iyer, Fabian Kislat, M Kiss, K Klepper, H Krawczynski, L Lisalda, Y Maeda, F Af Malmborg, H Matsumoto, A Miyamoto, T Miyazawa, M Pearce, B F. Rauch, N Rodriguez Cavero, S Spooner, H Takahashi, Y Uchida, A T. West, K Wimalasena, M. Yoshimoto
Systematic Effects On A Compton Polarimeter At The Focus Of An X-Ray Mirror, M Aoyagi, R G. Bose, S Chun, E Gau, K Hu, K Ishiwata, N K. Iyer, Fabian Kislat, M Kiss, K Klepper, H Krawczynski, L Lisalda, Y Maeda, F Af Malmborg, H Matsumoto, A Miyamoto, T Miyazawa, M Pearce, B F. Rauch, N Rodriguez Cavero, S Spooner, H Takahashi, Y Uchida, A T. West, K Wimalasena, M. Yoshimoto
Faculty Publications
XL-Calibur is a balloon-borne Compton polarimeter for X-rays in the $\sim$15-80 keV range. Using an X-ray mirror with a 12 m focal length for collecting photons onto a beryllium scattering rod surrounded by CZT detectors, a minimum-detectable polarization as low as $\sim$3% is expected during a 24-hour on-target observation of a 1 Crab source at 45$^{\circ}$ elevation. Systematic effects alter the reconstructed polarization as the mirror focal spot moves across the beryllium scatterer, due to pointing offsets, mechanical misalignment or deformation of the carbon-fiber truss supporting the mirror and the polarimeter. Unaddressed, this can give rise to a spurious polarization …
Neutrino Flavor Transformation With Moments: Application To Fast Flavor Instabilities In Neutron Star Mergers, Julien Froustey, Sherwood Richers, Evan Grohs, Samuel Flynn, Francois Foucart, Jim Kneller, Gail C. Mclaughlin
Neutrino Flavor Transformation With Moments: Application To Fast Flavor Instabilities In Neutron Star Mergers, Julien Froustey, Sherwood Richers, Evan Grohs, Samuel Flynn, Francois Foucart, Jim Kneller, Gail C. Mclaughlin
Faculty Publications
Neutrino evolution, of great importance in environments such as neutron star mergers (NSMs) because of their impact on explosive nucleosynthesis, is still poorly understood due to the high complexity and variety of possible flavor conversion mechanisms. In this study, we focus on so-called "fast flavor oscillations", which can occur on timescales of nanoseconds and are connected to the existence of a crossing between the angular distributions of electron (anti)neutrinos. Based on the neutrino radiation field drawn from a three dimensional neutron star merger simulation, we use an extension of the two-moment formalism of neutrino quantum kinetics, and perform a linear …
Examining The Evolution Of Network Governance Forms Of An Event Leveraging Collective: A Longitudinal Investigation, Landy Lu, Ran Zhou, Guangzhou Chen, Laura Misener
Examining The Evolution Of Network Governance Forms Of An Event Leveraging Collective: A Longitudinal Investigation, Landy Lu, Ran Zhou, Guangzhou Chen, Laura Misener
Faculty Publications
This study aims to investigate how an event leveraging collective’s network governance forms evolved from pre- to post‐Games and how these forms influenced members' collaborative engagement. We adopted a longitudinal qualitative case study approach. Our primary data sources included 996 pages of archival documents and 18 interviews with collective members. We found that in the pre- and during-Games stage, the leveraging collective adopted a shared participant-governed form with a facilitator. This participant-driven structure could enhance connectedness and collaborative engagement among member organizations. In the postevent phase, the collective assumed a pillar-governed form with a facilitator. Although this structure appeared to …
Drivers Of Anticoagulant Rodenticide Exposure In Fishers (Pekania Pennanti) Across The Northeastern United States, Georgianna Silveira, Jacqueline L. Frair, Lisa Murphy, Julie C. Ellis, David Needle, Stephanie A. Cunningham, Amanda Watson, Aaron Facka, Patrick Tate, Shevenell Webb, Kim Royar, Chris Bernier, Thomas Keller, Krysten Schuler
Drivers Of Anticoagulant Rodenticide Exposure In Fishers (Pekania Pennanti) Across The Northeastern United States, Georgianna Silveira, Jacqueline L. Frair, Lisa Murphy, Julie C. Ellis, David Needle, Stephanie A. Cunningham, Amanda Watson, Aaron Facka, Patrick Tate, Shevenell Webb, Kim Royar, Chris Bernier, Thomas Keller, Krysten Schuler
Faculty Publications
Studies in parts of Europe, New Zealand, and North America indicate uptake of anticoagulant rodenticides (ARs) by predatory mammals to be widespread and common, with proximity to urban and agricultural areas being an important driver of exposure. Yet, little is known regarding the patterns and drivers of AR exposure in predatory mammals within more forest-dominated landscapes. Across the forest-dominated northeastern United States (US), a region spanning Pennsylvania to Maine, we tested livers from 597 fisher (Pekania pennanti) obtained from the legal harvest for 11 anticoagulant rodenticide compounds. We used kriging to determine potential hot zones (within or among states) and …
Drivers Of Anticoagulant Rodenticide Exposure In Fishers (Pekania Pennanti) Across The Northeastern United States, Georgianna Silveira, Jacqueline L. Frair, Lisa Murphy, Julie C. Ellis, David Needle, Stephanie A. Cunningham, Amanda Watson, Aaron Facka, Patrick Tate, Shevenell Webb, Kim Royar, Chris Bernier, Thomas Keller, Krysten Schuler
Drivers Of Anticoagulant Rodenticide Exposure In Fishers (Pekania Pennanti) Across The Northeastern United States, Georgianna Silveira, Jacqueline L. Frair, Lisa Murphy, Julie C. Ellis, David Needle, Stephanie A. Cunningham, Amanda Watson, Aaron Facka, Patrick Tate, Shevenell Webb, Kim Royar, Chris Bernier, Thomas Keller, Krysten Schuler
Faculty Publications
Studies in parts of Europe, New Zealand, and North America indicate uptake of anticoagulant rodenticides (ARs) by predatory mammals to be widespread and common, with proximity to urban and agricultural areas being an important driver of exposure. Yet, little is known regarding the patterns and drivers of AR exposure in predatory mammals within more forest-dominated landscapes. Across the forest-dominated northeastern United States (US), a region spanning Pennsylvania to Maine, we tested livers from 597 fisher (Pekania pennanti) obtained from the legal harvest for 11 anticoagulant rodenticide compounds. We used kriging to determine potential hot zones (within or among states) and …
Unh Helping Temo Dadiani ’24g Turn Obstacles Into Opportunity, Keith Testa
Unh Helping Temo Dadiani ’24g Turn Obstacles Into Opportunity, Keith Testa
UNH Today Archive
No abstract provided.
Fall In Love With Relationship Research This Valentine’S Day, Keith Testa
Fall In Love With Relationship Research This Valentine’S Day, Keith Testa
UNH Today Archive
No abstract provided.
New Calabi–Yau Manifolds From Genetic Algorithms, Per Berglund, Yang-Hui He, Elli Heyes, Edward Hirst, Vishnu Jejjala, Andre Lukas
New Calabi–Yau Manifolds From Genetic Algorithms, Per Berglund, Yang-Hui He, Elli Heyes, Edward Hirst, Vishnu Jejjala, Andre Lukas
Faculty Publications
Calabi–Yau manifolds can be obtained as hypersurfaces in toric varieties built from reflexive polytopes. We generate reflexive polytopes in various dimensions using a genetic algorithm. As a proof of principle, we demonstrate that our algorithm reproduces the full set of reflexive polytopes in two and three dimensions, and in four dimensions with a small number of vertices and points. Motivated by this result, we construct five-dimensional reflexive polytopes with the lowest number of vertices and points. By calculating the normal form of the polytopes, we establish that many of these are not in existing datasets and therefore give rise to …
On Personality Measures And Their Data: A Classification Of Measurement Approaches And Their Recommended Uses, John D. Mayer, Victoria M. Bryan
On Personality Measures And Their Data: A Classification Of Measurement Approaches And Their Recommended Uses, John D. Mayer, Victoria M. Bryan
Faculty Publications
We employ a new approach for classifying methods of personality measurement such as self-judgment, mental ability, and lifespace measures and the data they produce. We divide these measures into two fundamental groups: personal-source data, which arise from the target person’s own reports, and external-source data, which derive from the areas surrounding the person. These two broad classes are then further divided according to what they target and the response processes that produce them. We use the model to organize roughly a dozen kinds of data currently employed in the field. With this classification system in hand, we …
National Childhood Crimes Expert Calls For Increased Evaluation Of Protective Strategies Amid Recent Online Child Safety Senate Hearing, Robbin Ray
Media Relations
No abstract provided.
First Detection Of Polarization In X-Rays For Psr B0540-69 And Its Nebula, Fei Xie, Josephine Wong, Fabio La Monaca, Roger W. Romani, Jeremy Heyl, Philip Kaaret, Alessandro Di Marco, Niccolò Bucciantini, Kuan Liu, Chi-Yung Ng, Niccolò Di Lalla, Martin C. Weisskopf, Enrico Costa, Paolo Soffitta, Fabio Muleri, Matteo Bachetti, Maura Pilia, John Rankin, Sergio Fabiani, Iván Agudo, Lucio A. Antonelli, Luca Baldini, Wayne H. Baumgartner, Ronaldo Bellazzini, Stefano Bianchi
First Detection Of Polarization In X-Rays For Psr B0540-69 And Its Nebula, Fei Xie, Josephine Wong, Fabio La Monaca, Roger W. Romani, Jeremy Heyl, Philip Kaaret, Alessandro Di Marco, Niccolò Bucciantini, Kuan Liu, Chi-Yung Ng, Niccolò Di Lalla, Martin C. Weisskopf, Enrico Costa, Paolo Soffitta, Fabio Muleri, Matteo Bachetti, Maura Pilia, John Rankin, Sergio Fabiani, Iván Agudo, Lucio A. Antonelli, Luca Baldini, Wayne H. Baumgartner, Ronaldo Bellazzini, Stefano Bianchi
Faculty Publications
We report on X-ray polarization measurements of the extragalactic Crab-like PSR B0540-69 and its Pulsar Wind Nebula (PWN) in the Large Magellanic Cloud, using a ∼850 ks Imaging X-ray Polarimetry Explorer (IXPE) exposure. The PWN is unresolved by IXPE. No statistically significant polarization is detected for the image-averaged data, giving a 99% confidence polarization upper limit (MDP99) of 5.3% in the 2–8 keV energy range. However, a phase-resolved analysis detects polarization for both the nebula and pulsar in the 4–6 keV energy range. For the PWN defined as the off-pulse phases, the polarization degree (PD) of (24.5 ± 5.3)% and …
Mental Health Resource Guide Grafton County, Suzanne Meattey
Mental Health Resource Guide Grafton County, Suzanne Meattey
UNH Cooperative Extension
No abstract provided.