Deep Exclusive Electroproduction of π0 at High Q2 in the Quark Valence Regime

Autor: N. H. Saylor, D. Bulumulla, Wouter Deconinck, E. Pooser, L. Ye, B. Crowe, Weidong Li, B. P. Quinn, Y. Huang, Douglas Higinbotham, E. Fuchey, C. Ayerbe Gayoso, Y. Zhao, S. A. Wood, M. K. Jones, Darko Androić, Jie Liu, A. J. Sarty, Z. Ye, K. Hamilton, E. McClellan, M. E. Christy, A. Liyanage, J. Bane, F. Georges, O. F. Obretch, C. Gal, S. F. Ali, Bogdan Wojtsekhowski, P. M. King, C. Palatchi, F. Hauenstein, J. Roche, T. Averett, P. E. Reimer, J. P. Chen, G. M. Urciuoli, Franco Meddi, M. H. Shabestari, C. Fanelli, K. A. Aniol, R. I. Pomatsalyuk, B. Aljawrneh, Shams Rahman, C. E. Hyde, R. Beminiwattha, X. Yan, Andrew Puckett, E. Voutier, E. Cisbani, S. J. Nazeer, Chunhui Chen, C. Desnault, M. Carmignotto, O. Glamazdin, J. Castellano, Z. Ahmed, L. Ou, F. De Persio, Olfred Hansen, S. Allison, J. R. M. Annand, Simon Širca, T. Gautam, D. Nguyen, B. Sawatzky, G. M. Huber, S. Danagoulian, J. C. Cornejo, Tanja Horn, C. M. Jen, F. Tortorici, T. Su, S. Alsalmi, Yicheng Wang, G. Hamad, B. Duran, Kalyan Allada, Maxime Defurne, R. Michaels, Hongjun Liu, D. Gaskell, Juliette Mammei, David Hamilton, Pete Markowitz, L. A. Thorne, E. J. Brash, V. M. Gray, C. Munoz Camacho, D. Adikaram, T. W. Danley, Y. Tian, K. Park, Ping Zhu, L. S. Myers, M. N. H. Rashad, Rolf Ent, R. A. Montgomery, D. Biswas, S. Malace, W. Henry, A. Sun, M. Dlamini, H. Atac, N. Israel, R. Trotta, X. Bai, V. Bellini, N. Ton, R. Spies, Alexandre Camsonne, A. Stefanko, C. Gu, K. Bartlett, K. Jin, B. A. Clary, Kondo Gnanvo, M. Nycz, T. Holmstrom, P.-J. Lin, Shanfeng Li, C. Yero, T. Hague, Taya Chetry, Jie Zhang, J. Bericic, J. Campbell, A. Mkrtchyan, Nikos Sparveris, K. Mesik, I. Sapkota, Vladimir Nelyubin, A. Shahinyan, N. Compton, D. Di, Eliahu Cohen, S. Sooriyaarachchilage, Cynthia Keppel, H. S. Ko, A. Kabir, V. A. Punjabi, D. G. Meekins, S. Barcus, V. Khachatryan, G. B. Franklin, P. Nadel-Turonski, N. Nuruzzaman, Chao Peng, G. R. Smith, H. F. Ibrahim, B. Karki, M. Duer, H. Albataineh, A. Subedi, S. Park, B. Schmookler, B. Pandey, Vincent Sulkosky, J. A. Magee, B. Waidyawansa, S. Covrig Dusa

Publikováno v: Physical Review Letters. 127

We report measurements of the exclusive neutral pion electroproduction cross section off protons at large values of $x_B$ (0.36, 0.48 and 0.60) and $Q^2$ (3.1 to 8.4 GeV$^2$) obtained from Jefferson Lab Hall A experiment E12-06-014. The corresponding

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::379cc2ac1fb84f3435a2698b12929317
https://doi.org/10.1103/physrevlett.127.152301

Precision Measurement of the Beam-Normal Single-Spin Asymmetry in Forward-Angle Elastic Electron-Proton Scattering

Autor: Wouter Deconinck, Riad Suleiman, M. H. Shabestari, L. Z. Ndukum, William A. Tobias, C. A. Davis, J. Leckey, J. A. Magee, S. Yang, Jongmin Lee, Amrendra Narayan, P. Solvignon, mrow, J. Roche, V. Tvaskis, M. M. Dalton, W. D. Ramsay, A. Mkrtchyan, S. MacEwan, D. Gaskell, M. Elaasar, Nuruzzaman, J. Beaufait, T. Seva, E. Korkmaz, V. M. Gray, A. R. Lee, B. Waidyawansa, D. T. Spayde, S. Covrig Dusa, Jean-Francois Rajotte, Roger Carlini, S. K. Phillips, mrow> weak, R. Subedi, M. K. Jones, Kent Paschke, K. Bartlett, S. A. Wood, P. Wang, Neven Simicevic, V. Owen, A. Asaturyan, W. R. Falk, J. Leacock, R. W. Radloff, R. Mahurin, P. Zang, Dipangkar Dutta, V. Tadevosyan, C. Gal, Fatiha Benmokhtar, J.C. Cornejo, K. E. Mesick, L. Lee, Vladimir Nelyubin, P. M. King, A. M. Micherdzinska, S. A. Page, F. Guo, H. Mkrtchyan, D. J. Mack, Darko Androić, R. S. Beminiwattha, mtext, A. Subedi, S. Zhamkochyan, W. T. H. van Oers, M. Kargiantoulakis, T. A. Forest, Michael Gericke, J. F. Dowd, Joseph Grames, S. Wells, J. M. Finn, K. Grimm, J. Pan, R. Silwal, J. A. Dunne, B. Sawatzky, D. C. Jones, R. Michaels, J. R. Hoskins, J. Birchall, Juliette Mammei, S. Kowalski, W. S. Duvall, J. W. Martin, J. Mei, N. Morgan, msub, R. T. Jones, Jay Benesch, Michael Pitt, D. G. Meekins, D. S. Armstrong, G. R. Smith, M. J. McHugh

A beam-normal single-spin asymmetry generated in the scattering of transversely polarized electrons from unpolarized nucleons is an observable related to the imaginary part of the two-photon exchange process. We report a 2% precision measurement of t

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::76ba1d600d67ab84eb72a47cd176ddb1
http://arxiv.org/abs/2006.12435

The ${Q^{p}_{\rm Weak}}$ experiment

Autor: P. Solvignon, Wouter Deconinck, Riad Suleiman, D. G. Meekins, V. M. Gray, M. Poelker, J. A. Magee, S. Yang, S. Wells, Amrendra Narayan, R. T. Jones, T. Averett, B. Waidyawansa, D. Gaskell, Jean-Francois Rajotte, K. E. Myers, S. Kowalski, W. S. Duvall, William A. Tobias, M. K. Jones, W. T. H. van Oers, J. W. Martin, F. Guo, Joseph Grames, W. R. Falk, Kent Paschke, K. Grimm, J. Balewski, D. S. Armstrong, G. R. Smith, S. Covrig, J. A. Dunne, K. Johnston, V. Tadevosyan, P. Wang, Fatiha Benmokhtar, J. Mei, Vladimir Nelyubin, T. A. Forest, M. Kargiantoulakis, J. Leacock, J.C. Cornejo, M. M. Dalton, A.K. Opper, A. Mkrtchyan, Darko Androić, R. Silwal, V. Tvaskis, M. J. McHugh, W. D. Ramsay, L. Lee, Neven Simicevic, P. M. King, R. Mahurin, R. S. Beminiwattha, Michael Gericke, D. Zou, S. Zhamkochyan, J. Diefenbach, N. Nuruzzaman, Dipangkar Dutta, Roger Carlini, S. K. Phillips, D. T. Spayde, A. M. Micherdzinska, S. A. Page, M. H. Shabestari, J. R. Hoskins, D. C. Jones, Michael Pitt, Ross D. Young, Jongmin Lee, J. Birchall, Jay Benesch, K. A. Dow, L. Z. Ndukum, J. F. Dowd, A. R. Lee, Juliette Mammei, R. Michaels, J. M. Finn, J. Pan, J. Leckey, A. Asaturyan, A. Subedi, S. A. Wood, M. Elaasar, H. Mkrtchyan, C. A. Davis, D. J. Mack, S. MacEwan, T. Seva, E. Korkmaz, B. Sawatzky, J. Beaufait, R. Subedi, J. Roche

Publikováno v: Hyperfine Interactions. 214:21-30

In May 2012, the $Q^{p}_{\rm Weak}$ collaboration completed a two year measurement program to determine the weak charge of the proton ${Q^{p}_W} = ( 1 - 4\sin^2{\theta_{W}})$ at the Thomas Jefferson National Accelerator Facility (TJNAF). The experime

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::6ec624cbb04212d67171f6d33ec1f417
https://doi.org/10.1007/s10751-013-0782-0

The Qweak experimental apparatus

Autor: J. R. Hoskins, R. S. Beminiwattha, J. Birchall, J. Diefenbach, Juliette Mammei, J. Balewski, Erik Urban, J. F. Dowd, K. Johnston, G. Clark, P.W. Rose, B. Sawatzky, P. Solvignon, M. Kargiantoulakis, M. Elaasar, J. Mei, S. Sobczynski, A. Micherdzinska, A. Kubera, M. K. Jones, R.B. Zielinski, Mitchell D. Anderson, T. Averett, R. Suleiman, V. M. Gray, E. Henderson, R.D. Carlini, S. A. Wood, Neven Simicevic, J. D. Bowman, A. Mkrtchyan, Amber McCreary, Darko Androić, V. Tvaskis, E. Bonnell, N. Morgan, R. Mahurin, Kent Paschke, R. Averill, J. Beaufait, J. Roche, S. Zhamkochyan, D. J. Mack, C. A. Davis, Fatiha Benmokhtar, S. A. Page, D.C. Dean, J. M. Finn, P. Medeiros, Jean-Francois Rajotte, R. Subedi, G. D. Cates, S. Wells, F. Guo, S. MacEwan, P. Wang, J. A. Dunne, Jongmin Lee, T. Seva, E. Korkmaz, S. K. Phillips, D. C. Jones, P. Brindza, Amrendra Narayan, M. Poelker, J. Pan, J. Leacock, A. R. Lee, V. Tadevosyan, D. Gaskell, Y. Liang, R. Michaels, M. M. Dalton, D.J. Harrison, A.K. Opper, J. Grames, M. McDonald, S. Kowalski, J.C. Cornejo, W. S. Duvall, W. D. Ramsay, A. Asaturyan, J. Leckey, K. Grimm, J. W. Martin, B. Stokes, P. M. King, Michael Gericke, K. E. Mesick, H. Mkrtchyan, E. Ihloff, J. A. Magee, Nadeem A. Khan, L. Lee, J. Kelsey, Trent Allison, Jay Benesch, S. Yang, D. T. Spayde, B. Waidyawansa, D.B. Brown, S. Covrig Dusa, Dipangkar Dutta, W. R. Falk, R. Silwal, A. Subedi, Vladimir Nelyubin, J. Bessuille, D. G. Meekins, R. T. Jones, J. Hansknecht, Nuruzzaman, W. T. H. van Oers, K.D. Finelli, Michael Pitt, J.R. Echols, D. S. Armstrong, G. R. Smith, Douglas Storey, M. J. McHugh, M. H. Shabestari, J. Musson, K. A. Dow, L. Z. Ndukum, Wouter Deconinck, W.R. Roberts, William A. Tobias, B. S. Cavness

The Jefferson Lab Q weak experiment determined the weak charge of the proton by measuring the parity-violating elastic scattering asymmetry of longitudinally polarized electrons from an unpolarized liquid hydrogen target at small momentum transfer. A

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::8da8549f779a8ab0dab560877a9645f7
https://www.bib.irb.hr/762649

Early Results from the Qweak Experiment

Autor: J. Beaufait, H. Mkrtchyan, J. Roche, J. A. Dunne, Jean-Francois Rajotte, Kathryn Grimm, S. K. Phillips, J. Diefenbach, S. Covrig, S. MacEwan, T. Seva, E. Korkmaz, D. G. Meekins, Matthew Jones, M. M. Dalton, T. Averett, D. C. Jones, Kent Paschke, R. W. L. Jones, Fatiha Benmokhtar, J. A. Magee, R. Michaels, P. M. King, W. D. Ramsay, R. S. Beminiwattha, M. H. Shabestari, Wouter Deconinck, V. Tadevosyan, A. Asaturyan, R. D. Carlini, S. Kowalski, W. S. Duvall, Jay Benesch, F. Guo, J. Birchall, A. Micherdzinska, Joseph Grames, Ross D. Young, J. W. Martin, B. Waidyawansa, J. F. Dowd, Michael Pitt, S. Yang, Geoffrey Smith, S. A. Page, V. M. Gray, M. Poelker, Nuruzzaman, R. Silwal, G. D. Cates, P. Wang, S. P. Wells, T. A. Forest, Jongmin Lee, Dipangkar Dutta, K. Johnston, A. R. Lee, J. Leacock, B. Sawatzky, M. Elaasar, J. Mei, D. S. Armstrong, Riad Suleiman, A. Subedi, S. A. Wood, R. Mahurin, Amrendra Narayan, L. Lee, J. Balewski, P. Solvignon, D. J. Mack, R. Subedi, John M. Finn, W. R. Falk, M. Kargiantoulakis, N. Morgan, L. Z. Ndukum, Vladimir Nelyubin, M. J. McHugh, Neven Simicevic, W. T. H. van Oers, C. A. Davis, William A. Tobias, D. Gaskel, Michael Gericke, J. C. Cornejo, J. R. Hoskins, J. Pan, Darko Androić, Juliette Mammei, S. Zhamkochyan, J. Leckey, D. T. Spayde, A. K. Opper, K. E. Myers, V. Tvaskis, A. Mkrtchyan

Publikováno v: EPJ Web of Conferences, Vol 66, p 05002 (2014)

A subset of results from the recently completed Jefferson Lab Qweak experiment are reported. This experiment, sensitive to physics beyond the Standard Model, exploits the small parity-violating asymmetry in elastic ep scattering to provide the first

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::d1a337d1e849efb53e25ac111d6e9813
https://doaj.org/article/1fe30590ac094926b7f29d291736e497