J
J. Grames
Researcher at Thomas Jefferson National Accelerator Facility
Publications - 34
Citations - 1125
J. Grames is an academic researcher from Thomas Jefferson National Accelerator Facility. The author has contributed to research in topics: Electron & Scattering. The author has an hindex of 12, co-authored 21 publications receiving 989 citations.
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Journal ArticleDOI
Strange-quark contributions to parity-violating asymmetries in the forward G0 electron-proton scattering experiment
D. S. Armstrong,J. Arvieux,R. Asaturyan,T. Averett,S. L. Bailey,G. Batigne,Douglas H Beck,E. J. Beise,J. Benesch,L. Bimbot,J. Birchall,A. S. Biselli,P. Bosted,E. Boukobza,H. Breuer,R. D. Carlini,R. Carr,N. S. Chant,Y. C. Chao,Subhasis Chattopadhyay,R. Clark,S. Covrig,A. A. Cowley,D. S. Dale,C. A. Davis,W. Falk,J. M. Finn,T. A. Forest,G. B. Franklin,Christophe Furget,D. Gaskell,J. Grames,K. A. Griffioen,K. Grimm,K. Grimm,B. Guillon,H. Guler,L. Hannelius,R. Hasty,A. Hawthorne Allen,T. Horn,K. Johnston,M. K. Jones,P. Kammel,R. Kazimi,P. M. King,P. M. King,A. Kolarkar,E. Korkmaz,Wolfgang Korsch,S. Kox,J. Kuhn,J. Lachniet,L. Lee,J. Lenoble,E. Liatard,Jianglai Liu,B. Loupias,A. Lung,G. A. MacLachlan,D. Marchand,J. W. Martin,J. W. Martin,K. W. McFarlane,D. McKee,R. D. McKeown,F. Merchez,H. Mkrtchyan,Bryan J. Moffit,M. Morlet,I. Nakagawa,K. Nakahara,M. Nakos,R. Neveling,S. Niccolai,S. Ong,S.A. Page,V. Papavassiliou,S. F. Pate,S. K. Phillips,Michael Pitt,M. Poelker,T. A. Porcelli,T. A. Porcelli,G. Quéméner,B. P. Quinn,W. D. Ramsay,A. W. Rauf,J. S. Real,J. Roche,J. Roche,P. G. Roos,G. A. Rutledge,J. A. Secrest,Neven Simicevic,G. R. Smith,D. T. Spayde,D. T. Spayde,S. Stepanyan,M. Stutzman,V. Sulkosky,V. Tadevosyan,Raphael Noel Tieulent,J. Van de Wiele,W. T. H. van Oers,E. Voutier,W. F. Vulcan,Glen A. Warren,S. P. Wells,Shawn Williamson,S. A. Wood,C. Yan,J. Yun,V. Zeps +113 more
TL;DR: Measurement of parity-violating asymmetries in elastic electron-proton scattering indicate nonzero, Q2 dependent, strange-quark contributions and provide new information beyond that obtained in previous experiments.
Journal ArticleDOI
Precision Measurements of the Nucleon Strange Form Factors at Q 2 ∼ 0.1 GeV 2
A. Acha,K. A. Aniol,D. S. Armstrong,John Arrington,T. Averett,S. L. Bailey,J. Barber,A. Beck,H. Benaoum,J. Benesch,P.Y. Bertin,P. Bosted,F. Butaru,E. Burtin,G. D. Cates,Y. C. Chao,J. P. Chen,E. Chudakov,E. Cisbani,B. Craver,F. Cusanno,R. De Leo,P. Decowski,A. Deur,R. J. Feuerbach,J. M. Finn,S. Frullani,S. Fuchs,K. Fuoti,Ronald Gilman,Ronald Gilman,Lindsay Glesener,K. Grimm,J. Grames,J. O. Hansen,J. Hansknecht,Douglas Higinbotham,R. Holmes,T. Holmstrom,H. F. Ibrahim,C. W. de Jager,X. Jiang,Joseph M. Katich,L. J. Kaufman,A. Kelleher,P. M. King,A. Kolarkar,S. Kowalski,E. Kuchina,K. S. Kumar,L. Lagamba,Peter S. LaViolette,J. J. LeRose,R. A. Lindgren,D. Lhuillier,Nilanga Liyanage,D. J. Margaziotis,Pete Markowitz,D. G. Meekins,Z. E. Meziani,R. Michaels,Bryan J. Moffit,S. K. Nanda,V. Nelyubin,V. Nelyubin,K. Otis,Kent Paschke,S. K. Phillips,M. Poelker,R. I. Pomatsalyuk,M. Potokar,Y. Prok,A. J. R. Puckett,Xin Qian,Yujie Qiang,B. Reitz,J. Roche,A. Saha,B. Sawatzky,Jaideep Singh,Karl Slifer,S. Širca,R. Snyder,P. Solvignon,Paul Souder,M. Stutzman,R. Subedi,R. Suleiman,V. Sulkosky,William A. Tobias,P. E. Ulmer,G. M. Urciuoli,K. Wang,A. Whitbeck,Richard Wilson,Bogdan Wojtsekhowski,H. Yao,Y. X. Ye,X. Zhan,X. Zheng,X. Zheng,S. Zhou,V. Ziskin +102 more
TL;DR: In this article, the parity-violating asymmetry A_PV in elastic scattering of 3 GeV electrons off hydrogen and 4He targets with ~6.0 degrees was measured.
Journal ArticleDOI
Parity-violating electron scattering from 4He and the strange electric form factor of the nucleon.
K. A. Aniol,D. S. Armstrong,T. Averett,H. Benaoum,P.Y. Bertin,E. Burtin,J. Cahoon,G. D. Cates,C. C. Chang,Y. C. Chao,J. P. Chen,Seonho Choi,E. Chudakov,B. Craver,F. Cusanno,P. Decowski,D. Deepa,C. Ferdi,R. J. Feuerbach,J. M. Finn,S. Frullani,K. Fuoti,F. Garibaldi,Ronald Gilman,Ronald Gilman,A. V. Glamazdin,V. Gorbenko,J. Grames,J. Hansknecht,Douglas Higinbotham,R. Holmes,T. Holmstrom,T. B. Humensky,H. F. Ibrahim,C. W. de Jager,X. Jiang,L. J. Kaufman,A. Kelleher,A. Kolarkar,S. Kowalski,K. S. Kumar,D. Lambert,Peter S. LaViolette,J. J. LeRose,D. Lhuillier,Nilanga Liyanage,D. J. Margaziotis,M. Mazouz,K. McCormick,D. G. Meekins,Z. E. Meziani,R. Michaels,Bryan J. Moffit,P. Monaghan,C. Muñoz-Camacho,S. K. Nanda,V. Nelyubin,V. Nelyubin,D. Neyret,Kent Paschke,M. Poelker,R. I. Pomatsalyuk,Yujie Qiang,B. Reitz,J. Roche,A. Saha,Jaideep Singh,R. Snyder,Paul Souder,R. Subedi,R. Suleiman,V. Sulkosky,William A. Tobias,G. M. Urciuoli,Antonin Vacheret,E. Voutier,K. Wang,Richard Wilson,Bogdan Wojtsekhowski,X. Zheng +79 more
TL;DR: For the first time, the strange electric form factor of the nucleon G(E)s can be isolated and the parity-violating electroweak asymmetry in the elastic scattering of polarized electrons from 4He is measured.
Journal ArticleDOI
First Determination of the Weak Charge of the Proton
Darko Androić,D. S. Armstrong,A. Asaturyan,T. Averett,J. Balewski,J. Beaufait,R. S. Beminiwattha,Jay Benesch,Fatiha Benmokhtar,J. Birchall,R. D. Carlini,G. D. Cates,J. C. Cornejo,S. Covrig,M. M. Dalton,C. A. Davis,Wouter Deconinck,J. Diefenbach,J. F. Dowd,J. A. Dunne,Dipangkar Dutta,W. S. Duvall,M. Elaasar,W. R. Falk,John M. Finn,T. A. Forest,D. Gaskell,Michael Gericke,J. Grames,V. M. Gray,Kathryn Grimm,F. Guo,Hoskins,K. Johnston,D. C. Jones,Matthew Jones,R. W. L. Jones,M. Kargiantoulakis,P. M. King,E. Korkmaz,S. Kowalski,J. Leacock,J. Leckey,A. R. Lee,Jongmin Lee,L. Lee,S. MacEwan,D. J. Mack,J. A. Magee,R. Mahurin,Juliette Mammei,J. W. Martin,M. J. McHugh,D. G. Meekins,J. Mei,R. Michaels,A. Micherdzinska,A. Mkrtchyan,H. Mkrtchyan,N. Morgan,K. E. Myers,Amrendra Narayan,L. Z. Ndukum,Nelyubin,Nuruzzaman,van Oers Wt,A. K. Opper,S. A. Page,J. Pan,Kent Paschke,S. K. Phillips,Michael Pitt,M. Poelker,Jean-Francois Rajotte,W. D. Ramsay,J. Roche,B. Sawatzky,T. Seva,M. H. Shabestari,R. Silwal,Neven Simicevic,Geoffrey Smith,P. Solvignon,D. T. Spayde,A. Subedi,R. Subedi,Riad Suleiman,Tadevosyan,William A. Tobias,Tvaskis,B. Waidyawansa,P. Wang,S. P. Wells,S. A. Wood,S. Yang,Ross D. Young,S. Zhamkochyan +96 more
TL;DR: The Qweak experiment has measured the parity-violating asymmetry in polarized e-p elastic scattering at Q2 = 0.025(GeV/c)2, employing 145 microamps of 89% longitudinally polarized electrons on a 34.4cm long liquid hydrogen target at Jefferson Lab.
Journal ArticleDOI
Strange Quark Contributions to Parity-Violating Asymmetries in the Backward Angle G0 Electron Scattering Experiment
Darko Androić,D. S. Armstrong,J. Arvieux,S. L. Bailey,Douglas H Beck,E. J. Beise,J. Benesch,Fatiha Benmokhtar,Fatiha Benmokhtar,L. Bimbot,J. Birchall,P. Bosted,H. Breuer,C. L. Capuano,Y. C. Chao,A. Coppens,C. A. Davis,C. Ellis,G. Flores,G. B. Franklin,C. Furget,D. Gaskell,M. I. W. Gericke,J. Grames,G. Guillard,J. Hansknecht,T. Horn,M. K. Jones,P. M. King,Wolfgang Korsch,S. Kox,L. Lee,Junyu Liu,A. Lung,Juliette Mammei,J. W. Martin,R. D. McKeown,M. Mihovilovič,A. Micherdzinska,H. Mkrtchyan,M. Muether,S. A. Page,V. Papavassiliou,S. F. Pate,S. K. Phillips,P. Pillot,Michael Pitt,M. Poelker,B. P. Quinn,W. D. Ramsay,J. S. Real,J. Roche,P. G. Roos,J. Schaub,T. Seva,Neven Simicevic,G. R. Smith,D. T. Spayde,M. Stutzman,R. Suleiman,R. Suleiman,V. Tadevosyan,W. T. H. van Oers,M. Versteegen,E. Voutier,W. F. Vulcan,S. Wells,S. E. Williamson,S. A. Wood +68 more
TL;DR: P parity-violating asymmetries in elastic electron-proton and quasielastic electron-deuteron scattering are measured and the first measurement of anapole moment effects in the axial-vector current at these four-momentum transfers is presented.