Qweak: First Direct Measurement of the Proton’s Weak Charge

Androic, D.; Armstrong, D.S.; Asaturyan, A.; Averett, T.; Balewski, J.; Bartlett, K.; Beaufait, J.; Beminiwattha, R.S.; Benesch, J.; Benmokhtar, F.; Birchall, J.; Carlini, R.D.; Cates, G.D.; Cornejo, J.C.; Covrig, S.; Dalton, M.M.; Davis, C.A.; Deconinck, W.; Diefenbach, J.; Dowd, J.F.; Dunne, J.A.; Dutta, D.; Duvall, W.S.; Elaasar, M.; Falk, W.R.; Finn, J.M.; Forest, T.; Gal, C.; Gaskell, D.; Gericke, M.T.W.; Grames, J.; Gray, V.M.; Grimm, K.; Guo, F.; Hoskins, J.R.; Johnston, K.; Jones, D.; Jones, M.; Jones, R.; Kargiantoulakis, M.; King, P.M.; Korkmaz, E.; Kowalski, S.; Leacock, J.; Leckey, J.; Lee, A.R.; Lee, J.H.; Lee, L.; MacEwan, S.; Mack, D.; Magee, J.A.; Mahurin, R.; Mammei, J.; Martin, J.W.; McHugh, M.J.; Meekins, D.; Mei, J.; Michaels, R.; Micherdzinska, A.; Mkrtchyan, A.; Mkrtchyan, H.; Morgan, N.; Myers, K.E.; Narayan, A.; Ndukum, L.Z.; Nelyubin, V.; Nuhait, H.; Nuruzzaman, H.; van Oers, W.T.H; Opper, A.K.; Page, S.A.; Pan, J.; Paschke, K.D.; Phillips, S.K.; Pitt, M.L.; Poelker, M.; Rajotte, J.F.; Ramsay, W.D.; Roche, J.; Sawatzky, B.; Seva, T.; Shabestari, M.H.; Silwal, R.; Simicevic, N.; Smith, G.R.; Solvignon, P.; Spayde, D.T.; Subedi, A.; Subedi, R.; Suleiman, R.; Tadevosyan, V.; Tobias, W.A.; Tvaskis, V.; Waidyawansa, B.; Wang, P.; Wells, S.P.; Wood, S.A.; Yang, S.; Young, R.D.; Zang, P.; Zhamkochyan, S.

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dc.contributor.author	Balewski, Jan T.
dc.contributor.author	Guo, Fang
dc.contributor.author	Kowalski, Stanley B
dc.contributor.author	Rajotte, Jean-Francois
dc.date.accessioned	2018-01-29T18:56:15Z
dc.date.available	2018-01-29T18:56:15Z
dc.date.issued	2017-03
dc.identifier.issn	2100-014X
dc.identifier.uri	http://hdl.handle.net/1721.1/113330
dc.description.abstract	The Q[subscript 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 polarized electron beam and a liquid hydrogen target at a low momentum transfer of Q² = 0.025 (GeV/c)². The weak charge of the proton is predicted by the Standard Model and any significant deviation would indicate physics beyond the Standard Model. The technical challenges and experimental apparatus for measuring the weak charge of the proton will be discussed, as well as the method of extracting the weak charge of the proton. The results from a small subset of the data, that has been published, will also be presented. Furthermore an update will be given of the current status of the data analysis.	en_US
dc.publisher	EDP Sciences	en_US
dc.relation.isversionof	http://dx.doi.org/10.1051/EPJCONF/201713708005	en_US
dc.rights	Creative Commons Attribution 4.0 International License	en_US
dc.rights.uri	http://creativecommons.org/licenses/by/4.0	en_US
dc.source	EPJ Web of Conferences	en_US
dc.title	Qweak: First Direct Measurement of the Proton’s Weak Charge
dc.title.alternative	Q[subscript weak]: First Direct Measurement of the Proton’s Weak Charge	en_US
dc.type	Article	en_US
dc.identifier.citation	Androic, D. et al. “Q[subscript weak]: First Direct Measurement of the Proton’s Weak Charge.” Edited by Y. Foka, N. Brambilla, and V. Kovalenko. EPJ Web of Conferences 137 (2017): 08005 © 2017 The Authors	en_US
dc.contributor.department	Massachusetts Institute of Technology. Department of Physics	en_US
dc.contributor.department	Massachusetts Institute of Technology. Laboratory for Nuclear Science	en_US
dc.contributor.mitauthor	Balewski, Jan T.
dc.contributor.mitauthor	Guo, Fang
dc.contributor.mitauthor	Kowalski, Stanley B
dc.contributor.mitauthor	Rajotte, Jean-Francois
dc.relation.journal	EPJ Web of Conferences	en_US
dc.eprint.version	Final published version	en_US
dc.type.uri	http://purl.org/eprint/type/JournalArticle	en_US
eprint.status	http://purl.org/eprint/status/PeerReviewed	en_US
dc.date.updated	2018-01-19T20:23:49Z
dspace.orderedauthors	Androic, D.; Armstrong, D.S.; Asaturyan, A.; Averett, T.; Balewski, J.; Bartlett, K.; Beaufait, J.; Beminiwattha, R.S.; Benesch, J.; Benmokhtar, F.; Birchall, J.; Carlini, R.D.; Cates, G.D.; Cornejo, J.C.; Covrig, S.; Dalton, M.M.; Davis, C.A.; Deconinck, W.; Diefenbach, J.; Dowd, J.F.; Dunne, J.A.; Dutta, D.; Duvall, W.S.; Elaasar, M.; Falk, W.R.; Finn, J.M.; Forest, T.; Gal, C.; Gaskell, D.; Gericke, M.T.W.; Grames, J.; Gray, V.M.; Grimm, K.; Guo, F.; Hoskins, J.R.; Johnston, K.; Jones, D.; Jones, M.; Jones, R.; Kargiantoulakis, M.; King, P.M.; Korkmaz, E.; Kowalski, S.; Leacock, J.; Leckey, J.; Lee, A.R.; Lee, J.H.; Lee, L.; MacEwan, S.; Mack, D.; Magee, J.A.; Mahurin, R.; Mammei, J.; Martin, J.W.; McHugh, M.J.; Meekins, D.; Mei, J.; Michaels, R.; Micherdzinska, A.; Mkrtchyan, A.; Mkrtchyan, H.; Morgan, N.; Myers, K.E.; Narayan, A.; Ndukum, L.Z.; Nelyubin, V.; Nuhait, H.; Nuruzzaman, H.; van Oers, W.T.H; Opper, A.K.; Page, S.A.; Pan, J.; Paschke, K.D.; Phillips, S.K.; Pitt, M.L.; Poelker, M.; Rajotte, J.F.; Ramsay, W.D.; Roche, J.; Sawatzky, B.; Seva, T.; Shabestari, M.H.; Silwal, R.; Simicevic, N.; Smith, G.R.; Solvignon, P.; Spayde, D.T.; Subedi, A.; Subedi, R.; Suleiman, R.; Tadevosyan, V.; Tobias, W.A.; Tvaskis, V.; Waidyawansa, B.; Wang, P.; Wells, S.P.; Wood, S.A.; Yang, S.; Young, R.D.; Zang, P.; Zhamkochyan, S.	en_US
dspace.embargo.terms	N	en_US
dc.identifier.orcid	https://orcid.org/0000-0001-5360-2804
dc.identifier.orcid	https://orcid.org/0000-0003-3088-6060
mit.license	PUBLISHER_CC	en_US
mit.metadata.status	Authority Work and Publication Information Needed