D
D. T. Spayde
Researcher at University of Illinois at Urbana–Champaign
Publications - 24
Citations - 1323
D. T. Spayde is an academic researcher from University of Illinois at Urbana–Champaign. The author has contributed to research in topics: Asymmetry & Nucleon. The author has an hindex of 13, co-authored 22 publications receiving 1224 citations. Previous affiliations of D. T. Spayde include Urbana University & Grinnell College.
Papers
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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
The Strange Quark Contribution to the Proton's Magnetic Moment
D. T. Spayde,Douglas H Beck,R. Hasty,T. Averett,D. Barkhuff,G. W. Dodson,K. A. Dow,M. Farkhondeh,W. Franklin,Evgeni Tsentalovich,Bao Yang,T. Zwart,E. J. Beise,H. Breuer,Raphael Noel Tieulent,R. Carr,S. Covrig,B. W. Filippone,Takeyasu M. Ito,R. D. McKeown,Wolfgang Korsch,S. Kowalski,B. Mueller,Michael Pitt,Michael J. Ramsey-Musolf,J. Ritter,S. Wells +26 more
TL;DR: In this paper, a new determination of the strange quark contribution to the proton's magnetic form factor at a four-momentum transfer Q 2 = 0.26±0.07 was reported.
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
Precision Measurement of the Weak Charge of the Proton
Darko Androić,D. S. Armstrong,A. Asaturyan,T. Averett,J. Balewski,K. Bartlett,J. Beaufait,R. S. Beminiwattha,Jay Benesch,Fatiha Benmokhtar,J. Birchall,R. D. Carlini,J. C. Cornejo,S. Covrig Dusa,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,C. Gal,D. Gaskell,Michael Gericke,Joseph Grames,V. M. Gray,Kathryn Grimm,F. Guo,J. R. Hoskins,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,Jonathan W. Martin,M. J. McHugh,D. G. Meekins,J. Mei,K. E. Mesick,R. Michaels,A. Micherdzinska,A. Mkrtchyan,H. Mkrtchyan,N. Morgan,Amrendra Narayan,L. Z. Ndukum,Vladimir Nelyubin,H. Nuhait,Nuruzzaman,W. T. H. van Oers,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,V. Tadevosyan,William A. Tobias,V. Tvaskis,B. Waidyawansa,P. Wang,S. P. Wells,S. A. Wood,S. Yang,Ross D. Young,P. Zang,S. Zhamkochyan +98 more
TL;DR: In this paper, the weak charge of the proton was measured using parity-violating (PV) polarized electron-proton scattering asymmetry, and the value of Q_W^p was derived from the predicted neutral electroweak force.
Journal ArticleDOI
Strange magnetism and the anapole structure of the proton
R. Hasty,A. M. Hawthorne-Allen,T. Averett,D. Barkhuff,Douglas H Beck,E. J. Beise,A. Blake,H. Breuer,R. Carr,S. Covrig,Areg Danagoulian,G. W. Dodson,K. A. Dow,M. Farkhondeh,B. W. Filippone,J. Gao,M. C. Herda,Takeyasu M. Ito,C. E. Jones,Wolfgang Korsch,K. Kramer,S. Kowalski,Pei Yun Lee,R. D. McKeown,B. Mueller,Michael Pitt,J. Ritter,J. Roche,V. Savu,D. T. Spayde,Raphael Noel Tieulent,Evgeni Tsentalovich,S. Wells,Bao Yang,T. Zwart +34 more
TL;DR: In this paper, it was shown that the symmetry violation of mirror symmetry in the weak force provides a powerful tool to study the internal structure of the proton, which has important implications for precision weak interaction studies in atomic systems such as cesium.