Zobrazeno 1 - 10
of 95
pro vyhledávání: '"A.K. Opper"'
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
Autor:
T. Averett, M. M. Dalton, A.K. Opper, W. D. Ramsay, D. T. Spayde, K. Johnston, Kent Paschke, J. Mei, J.C. Cornejo, William A. Tobias, F. Guo, P. M. King, W. R. Falk, Vladimir Nelyubin, S. A. Wood, R. Mahurin, J. Leacock, Fatiha Benmokhtar, D. J. Mack, Jean-Francois Rajotte, S. A. Page, D. G. Meekins, J. Pan, Michael Gericke, S. Wells, S. Kowalski, J. Balewski, W. S. Duvall, J. Leckey, R. T. Jones, A. Mkrtchyan, M. H. Shabestari, J. W. Martin, Nuruzzaman, M. Elaasar, C. A. Davis, L. Z. Ndukum, B. Sawatzky, M. Kargiantoulakis, J. Grames, J. A. Magee, Roger Carlini, S. K. Phillips, P. Solvignon, G. D. Cates, S. Yang, Jongmin Lee, D. C. Jones, J. Diefenbach, N. Morgan, Wouter Deconinck, W. T. H. van Oers, Darko Androić, R. Michaels, V. M. Gray, A. R. Lee, B. Waidyawansa, S. MacEwan, T. Seva, E. Korkmaz, Jay Benesch, V. Tvaskis, J. Beaufait, R. Subedi, A. Asaturyan, R. Suleiman, S. Zhamkochyan, K. E. Myers, H. Mkrtchyan, D. S. Armstrong, G. R. Smith, J. A. Dunne, P. Wang, L. Lee, Dipangkar Dutta, K. Grimm, A. Subedi, S. Covrig, M. J. McHugh, Michael Pitt, Neven Simicevic, J. M. Finn, J. R. Hoskins, J. Roche, J. Birchall, T. A. Forest, Juliette Mammei, A. Micherdzinska, V. Tadevosyan, M. K. Jones, R. Silwal, Amrendra Narayan, M. Poelker, D. Gaskell, R. S. Beminiwattha, Ross D. Young, J. F. Dowd
The Q-weak experiment at Jefferson Laboratory measured the parity violating asymmetry (A P V ) in elastic electron-proton scattering at small momentum transfer squared (Q 2=0.025 (G e V/c)2), with the aim of extracting the proton’s weak charge ( ${
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::0a5ede942fb6af9c57b9b4b9fcf1960f
https://www.bib.irb.hr/932896
https://www.bib.irb.hr/932896
Autor:
W. M. Snow, Hans P. Mumm, E. I. Sharapov, T. D. Bass, H. E. Swanson, A. Micherdzinska, K. Gan, Jeffrey S. Nico, V. Zhumabekova, D. Luo, A.K. Opper, D. M. Markoff, C.D. Bass
Publikováno v:
Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment. 631:80-89
Measurements of parity-violating neutron spin rotation can provide insight into the poorly understood nucleon–nucleon weak interaction. Because the expected rotation angle per unit length is small (10 −7 rad/m), several properties of the polarize
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
https://www.bib.irb.hr/762649
Autor:
A. Ahmidouch, James J. Kelly, S. Tajima, A. Yu. Semenov, Richard Madey, L. Cole, I. A. Semenova, W. Vulcan, O. K. Baker, S. Danagoulian, G. MacLachlan, S. Churchwell, M. Elaasar, C. E. Keppel, Chenyu Yan, C. F. Perdrisat, V. Tadevosyan, W. Tireman, R. D. Carlini, W. M. Zhang, R. Asaturyan, Y. Sato, E. Crouse, H. Fenker, L. G. Tang, Pete Markowitz, D. Barkhuff, E. Christy, P.E. Ulmer, M. Khandaker, C. R. Howell, Sung-Chul Yang, David Manley, M. Farkhondeh, Brian Raue, C. Yan, N. Savvinov, V. A. Punjabi, H. Mkrtchyan, W. Seo, J. Roche, Brad Plaster, G. R. Smith, S. A. Wood, W. Kim, John C. Mitchell, H. Breuer, S. Wells, A. R. Baldwin, T. Eden, S. Kowalski, L. Yuan, J. Reinhold, F. R. Wesselmann, S. Stepanyan, D. Mack, Xiaofeng Zhu, Hongbo Zhu, K. Garrow, A. Lung, Stephen Taylor, J. M. Finn, L. Gan, Rolf Ent, B. D. Anderson, A. Lai, J. W. Watson, Paul Gueye, B. Hu, M. K. Jones, N. Simicevic, T. Reichelt, A.K. Opper, A. Aghalaryan, Donal Day
Publikováno v:
Nuclear Physics A. 764:261-273
Recoil polarimetry was used to extract the ratio of the proton electromagnetic form factors, μ p G E p / G M p = 0.878 ± 0.064 (stat) ± 0.012 (sys) , at Q 2 = 1.13 ( GeV / c ) 2 from the reaction H 1 ( e → , e p → ) . This was an ancillary mea
Autor:
L. Yuan, Chenyu Yan, Rolf Ent, W. Kim, W.-M. Zhang, B.D. Anderson, Brad Plaster, G. R. Smith, Donal Day, C. Perdrisat, M. Farkhondeh, P.E. Ulmer, S. Churchwell, W. Tireman, A. Yu. Semenov, M. Khandaker, R. D. Carlini, David Manley, V. Tadevosyan, C. E. Keppel, L. Cole, S. Tajima, J. Reinhold, S. Danagoulian, James J. Kelly, A. Aghalaryan, F. R. Wesselmann, V. Punjabi, Richard Madey, C. R. Howell, Brian Raue, W. Vulcan, I. A. Semenova, Y. Sato, O. K. Baker, H. Breuer, Paul Gueye, J.W. Watson, E. Christy, L. G. Tang, S. Wells, J.M. Finn, Sung-Chul Yang, Xiaofeng Zhu, Hongbo Zhu, K. Garrow, G. MacLachlan, J. Roche, R. Asaturyan, L. Gan, John C. Mitchell, Pete Markowitz, M. K. Jones, S. Kowalski, D. Mack, A. Ahmidouch, M. Elaasar, N. Simicevic, B. Hu, S. A. Wood, A.K. Opper, S. Stepanyan, H. Mkrtchyan, W. Seo, T. Reichelt, S. Taylor, H. Fenker, Hartmuth Arenhövel, A.R. Baldwin, A. Lung, Chen Yan, E. Crouse
Publikováno v:
The European Physical Journal A. 17:323-327
The ratio of the electric to the magnetic form factor of the neutron, \(g \equiv G_{En}/G_{Mn}\), was measured via recoil polarimetry (R.G. Arnold, C.E. Carlson, F. Gross, Phys. Rev. C 23, 363 (1981)) from the quasielastic 2H\((\mathop{e}\limits^{\sc
Autor:
J. R. Hoskins, V. Tadevosyan, J. Diefenbach, K. Johnston, J. Birchall, S.A. Page, D. S. Armstrong, M. J. McHugh, J. Mei, H. Nuhait, C. A. Davis, M. Elaasar, Juliette Mammei, T. Averett, Wouter Deconinck, J. A. Magee, P. Wang, S. Yang, G.R. Smith, W. R. Falk, P. Zang, H. Mkrtchyan, W. T. H. van Oers, D. G. Meekins, J. Pan, F. Guo, J. Roche, Vladimir Nelyubin, W.D. Ramsay, J. Beaufait, B. Sawatzky, Fatiha Benmokhtar, M.L. Pitt, D. C. Jones, N. Morgan, R. Suleiman, N. Simicevic, V. Tvaskis, R. Michaels, Michael Gericke, B. Waidyawansa, Roger Carlini, J. Leckey, T. A. Forest, R. T. Jones, Jay Benesch, J. M. Finn, J. Balewski, M. M. Dalton, J. Grames, L. Lee, Jean-Francois Rajotte, Dipangkar Dutta, S. Kowalski, L. Z. Ndukum, W. S. Duvall, D. J. Mack, J. W. Martin, A.K. Opper, M. Kargiantoulakis, S.A. Wood, T. Seva, P. Solvignon, G. D. Cates, V. M. Gray, Jongmin Lee, K. Grimm, S. Covrig, A. R. Lee, J. Leacock, R. Mahurin, D.T. Spayde, R. Silwal, A. Mkrtchyan, S.K. Phillips, A. Asaturyan, S. Zhamkochyan, S. MacEwan, E. Korkmaz, J.C. Cornejo, K. E. Myers, P. M. King, K. Bartlett, Darko Androić, A. Subedi, J. A. Dunne, Amrendra Narayan, R. Subedi, D. Gaskell, K.D. Paschke, A. Micherdzinska, M.H. Shabestari, M. K. Jones, W.A. Tobias, C. Gal, R. S. Beminiwattha, M. Poelker, Ross D. Young, J. F. Dowd, S.P. Wells
Publikováno v:
EPJ Web of Conferences, Vol 137, p 08005 (2017)
The Q weak experiment, which took data at Jefferson Lab in the period 2010 - 2012, will precisely determine the weak charge of the proton by measuring the parity-violating asymmetry in elastic e-p scattering at 1.1 GeV using a longitudinally polarize
Autor:
Chen Yan, E. Crouse, W. M. Zhang, W. Tireman, S. A. Wood, M. Elaasar, E. Christy, W. F. Vulcan, A. Yu. Semenov, S. Kowalski, L. Cole, D. J. Mack, Brian Raue, Paul Gueye, H. Fenker, S. Wells, A. R. Baldwin, D. M. Manley, A. Aghalarian, W. Kim, Hartmuth Arenhövel, James J. Kelly, Neven Simicevic, S. Tajima, L. G. Tang, S. Churchwell, C. E. Keppel, H. Mkrtchian, John C. Mitchell, L. Gan, J. Roche, B. D. Anderson, M. Farkhondeh, Hongbo Zhu, K. Garrow, John M. Finn, A.K. Opper, H. Breuer, Stephen Taylor, C. F. Perdrisat, Y. Sato, Sung-Chul Yang, V. A. Punjabi, S. Stepanian, P. E. Ulmer, Richard Madey, C. Yan, V. Tadevosian, A. Ahmidouch, W. Seo, M. K. Jones, A. Lung, Xiaofeng Zhu, Brad Plaster, G. R. Smith, L. Yuan, B. Hu, Rolf Ent, Donal Day, T. Reichelt, J. Reinhold, C. R. Howell, F. R. Wesselmann, Oliver Keith Baker, G. MacLachlan, R. Asaturian, J. W. Watson, Pete Markowitz, M. Khandaker, R. D. Carlini, S. Danagulian
Publikováno v:
The European Physical Journal A. 18:181-183
Autor:
A.K. Opper, K. Gan, M. Sarsour, C.D. Bass, Bret E. Crawford, S. B. Walbridge, T. D. Bass, D. M. Markoff, Jeffrey S. Nico, Blayne Heckel, V. Zhumabekova, E. I. Sharapov, W. M. Snow, Hans P. Mumm, H. E. Swanson, A. M. Micherdzinska, D. Luo
Publikováno v:
Physical Review C. 83
We report an upper bound on parity-violating neutron spin rotation in $^{4}\mathrm{He}$. This experiment is the most sensitive search for neutron-weak optical activity yet performed and represents a significant advance in precision in comparison to p
Autor:
S.P. Wells, S. Chang, A.K. Opper, J. Lisantti, S. M. Bowyer, J.Y. Liu, A.D. Bacher, E. J. Stephenson, C. Olmer, S. W. Wissink, T. Rinckel
Publikováno v:
Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment. 325:205-215
The importance of high quality spin-observable data in intermediate energy nuclear physics requires that techniques be developed for obtaining accurate and reliable measurements of incident beam polarizations in a nondestructive manner. For this purp