J
J. P. Chen
Researcher at University of Virginia
Publications - 5
Citations - 773
J. P. Chen is an academic researcher from University of Virginia. The author has contributed to research in topics: Proton & Scattering. The author has an hindex of 5, co-authored 5 publications receiving 738 citations. Previous affiliations of J. P. Chen include University of Michigan & Thomas Jefferson National Accelerator Facility.
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Journal ArticleDOI
Measurements of the Proton and Deuteron Spin Structure Functions g1 and g2
Koji Abe,T. Akagi,P.L. Anthony,R. Antonov,R. G. Arnold,T. Averett,T. Averett,H. R. Band,J. M. Bauer,J. M. Bauer,H. Borel,P. E. Bosted,Vincent Breton,J. Button-Shafer,J. P. Chen,J. P. Chen,Timothy Chupp,J. Clendenin,C. Comptour,K. P. Coulter,G. Court,G. Court,D. Crabb,M. Daoudi,Donal Day,F. S. Dietrich,J. A. Dunne,J. A. Dunne,H. Dutz,H. Dutz,R. Erbacher,J. Fellbaum,A. Feltham,H. Fonvieille,Emil Frlez,D. Garvey,R. Gearhart,J. Gomez,P. Grenier,K. A. Griffioen,K. A. Griffioen,S. Hoibraten,E. W. Hughes,E. W. Hughes,Ch. Hyde-Wright,J. R. Johnson,D. Kawall,Avraham Klein,S. E. Kuhn,M. Kuriki,R. A. Lindgren,T. J. Liu,R. M. Lombard-Nelsen,J. Marroncle,T. Maruyama,X.K. Maruyama,J. S. McCarthy,W. Meyer,W. Meyer,Z. E. Meziani,Z. E. Meziani,R. C. Minehart,John C. Mitchell,J. Morgenstern,G. G. Petratos,G. G. Petratos,R. Pitthan,Dinko Pocanic,C. Y. Prescott,R. Prepost,P. Raines,B. Raue,B. Raue,D. Reyna,A. Rijllart,A. Rijllart,Y. Roblin,L. S. Rochester,S. E. Rock,O. Rondon,Ingo Sick,L. C. Smith,Timothy B. Smith,M. Spengos,M. Spengos,F. Staley,Pascal Steiner,S.St. Lorant,L. M. Stuart,F. Suekane,Z. M. Szalata,H. Tang,Y. Terrien,T. L. Usher,D. Walz,F.R. Wesselmann,James L. White,James L. White,K. Witte,C. C. Young,B. Youngman,H. Yuta,G. H. Zapalac,B. Zihlmann,D. Zimmermann +104 more
TL;DR: In this paper, the authors reported measurements of the proton and deuteron spin structure functions at beam energies of 29.1, 16.2, and 9.7 GeV.
Journal ArticleDOI
Precision measurement of the proton spin structure function g1p
Koji Abe,T. Akagi,P.L. Anthony,R. Antonov,R. G. Arnold,T. Averett,H. R. Band,J. M. Bauer,H. Borel,P. E. Bosted,Vincent Breton,J. Button-Shafer,J. P. Chen,Timothy Chupp,J. Clendenin,C. Comptour,K. P. Coulter,G.R. Court,D. Crabb,M. Daoudi,Donal Day,F. S. Dietrich,J. A. Dunne,H. Dutz,R. Erbacher,J. Fellbaum,A. Feltham,H. Fonvieille,Emil Frlez,D. Garvey,R. Gearhart,J. Gomez,P. Grenier,K. A. Griffioen,K. A. Griffioen,S. Hoibraten,E. W. Hughes,Ch. Hyde-Wright,J. R. Johnson,D. Kawall,Avraham Klein,S. E. Kuhn,M. Kuriki,R. A. Lindgren,T. J. Liu,R. M. Lombard-Nelsen,J. Marroncle,T. Maruyama,X.K. Maruyama,J. S. McCarthy,W. Meyer,Z. E. Meziani,Z. E. Meziani,R. C. Minehart,John C. Mitchell,J. Morgenstern,G. G. Petratos,G. G. Petratos,R. Pitthan,Dinko Pocanic,C. Y. Prescott,R. Prepost,P. Raines,B. Raue,D. Reyna,A. Rijllart,A. Rijllart,Y. Roblin,L. S. Rochester,S. E. Rock,O. Rondon,Ingo Sick,L. C. Smith,Timothy B. Smith,M. Spengos,F. Staley,Pascal Steiner,S.St. Lorant,L. M. Stuart,F. Suekane,Z. M. Szalata,H. Tang,Y. Terrien,T. L. Usher,D. Walz,J. L. White,K. Witte,C. C. Young,B. Youngman,H. Yuta,G. H. Zapalac,B. Zihlmann,D. Zimmermann +92 more
TL;DR: In this article, the authors measured the ratio [ital g][sup [ital p]][sub 1]/[ital F][sup[ital p]-sub 1]-over the range 0.8 and 1.10 using deep-inelastic scattering of polarized electrons from polarized ammonia.
Journal ArticleDOI
Measurements of R = σL/σT for 0.03 < x < 0.1 and Fit to World Data
Koji Abe,T. Akagi,P.L. Anthony,R. Antonov,R. G. Arnold,T. Averett,T. Averett,H. R. Band,J. M. Bauer,J. M. Bauer,H. Borel,P. E. Bosted,Vincent Breton,J. Button-Shafer,J. P. Chen,J. P. Chen,Timothy Chupp,J. Clendenin,C. Comptour,Kevin P. Coulter,G. Court,G. Court,D. Crabb,M. Daoudi,Donal Day,F. S. Dietrich,J. A. Dunne,J. A. Dunne,H. Dutz,H. Dutz,R. Erbacher,J. Fellbaum,A. Feltham,H. Fonvieille,Emil Frlez,D. Garvey,R. Gearhart,J. Gomez,P. Grenier,K. A. Griffioen,K. A. Griffioen,S. Hoibraten,E. W. Hughes,E. W. Hughes,Ch. Hyde-Wright,J. R. Johnson,D. Kawall,D. Kawall,Avraham Klein,S. E. Kuhn,M. Kuriki,R. A. Lindgren,T. J. Liu,R. M. Lombard-Nelsen,J. Marroncle,T. Maruyama,X.K. Maruyama,J. S. McCarthy,W. Meyer,W. Meyer,Z. E. Meziani,R. C. Minehart,John C. Mitchell,J. Morgenstern,G. G. Petratos,G. G. Petratos,R. Pitthan,Dinko Pocanic,R. Prepost,C. Y. Prescott,P. Raines,P. Raines,B. Raue,B. Raue,D. Reyna,A. Rijllart,A. Rijllart,Y. Roblin,L. S. Rochester,S. E. Rock,O. Rondon,Ingo Sick,L. C. Smith,Timothy B. Smith,M. Spengos,M. Spengos,F. Staley,Pascal Steiner,S.St. Lorant,L. M. Stuart,F. Suekane,Z. M. Szalata,H. Tang,Y. Terrien,T. L. Usher,D. Walz,F.R. Wesselmann,J. L. White,J. L. White,K. Witte,C. C. Young,B. Youngman,H. Yuta,G. H. Zapalac,B. Zihlmann,D. Zimmermann +105 more
TL;DR: In this paper, the cross section for scattering 29 GeV electrons from carbon at a laboratory angle of 4.5° was measured at SLAC, corresponding to 0.03.
Journal ArticleDOI
Measurements of the Q2-dependence of the proton and deuteron spin structure functions g1 p and g1 d
Koji Abe,T. Akagi,P.L. Anthony,R. Antonov,R. G. Arnold,T. Averett,H. R. Band,J. M. Bauer,H. Borel,P. E. Bosted,Vincent Breton,J. Button-Shafer,J. P. Chen,Timothy Chupp,J. Clendenin,C. Comptour,Kevin P. Coulter,G. Court,D. G. Crabb,M. Daoudi,Donal Day,F. S. Dietrich,J. A. Dunne,H. Dutz,R. Erbacher,J. Fellbaum,A. Feltham,H. Fonvieille,Emil Frlez,D. Garvey,R. A. Gearhart,J. Gomez,P. Grenier,K. A. Griffioen,S. Hoibraten,E. W. Hughes,C. E. Hyde-Wright,J. R. Johnson,D. Kawall,Avraham Klein,S. E. Kuhn,M. Kuriki,R. A. Lindgren,T. J. Liu,R. M. Lombard-Nelsen,J. Marroncle,T. Maruyama,X.K. Maruyama,J. S. McCarthy,W. Meyer,Z. E. Meziani,Z. E. Meziani,R. C. Minehart,John C. Mitchell,J. Morgenstern,G. G. Petratos,R. Pitthan,Dinko Pocanic,C. Y. Prescott,R. Prepost,P. Raines,B. Raue,D. Reyna,A. Rijllart,Y. Roblin,L.S. Rochester,S. E. Rock,O. Rondon,Ingo Sick,L. C. Smith,Timothy B. Smith,M. Spengos,F. Staley,Pascal Steiner,S.St. Lorant,L. M. Stuart,F. Suekane,Z. M. Szalata,H. Tang,Y. Terrien,T. L. Usher,D. Walz,J. L. White,K. Witte,C. C. Young,B. Youngman,H. Yuta,G. H. Zapalac,B. Zihlmann,D. Zimmermann +89 more
Journal ArticleDOI
Measurement of the proton and deuteron spin structure function g1 in the resonance region
Koji Abe,T. Akagi,P.L. Anthony,R. Antonov,R. G. Arnold,T. Averett,T. Averett,H. R. Band,J. M. Bauer,H. Borel,P. E. Bosted,Vincent Breton,J. Button-Shafer,J. P. Chen,J. P. Chen,Timothy Chupp,J. Clendenin,C. Comptour,K. P. Coulter,G. Court,G. Court,D. Crabb,M. Daoudi,Donal Day,F. S. Dietrich,J. A. Dunne,H. Dutz,H. Dutz,R. Erbacher,J. Fellbaum,A. Feltham,H. Fonvieille,Emil Frlez,D. Garvey,R. Gearhart,J. Gomez,P. Grenier,K. A. Griffioen,K. A. Griffioen,S. Hoibraten,E. W. Hughes,Ch. Hyde-Wright,J. R. Johnson,D. Kawall,Avraham Klein,S. E. Kuhn,M. Kuriki,R. A. Lindgren,T. J. Liu,R. M. Lombard-Nelsen,J. Marroncle,T. Maruyama,X.K. Maruyama,J. S. McCarthy,W. Meyer,W. Meyer,Z. E. Meziani,Z. E. Meziani,R. C. Minehart,John C. Mitchell,J. Morgenstern,G. G. Petratos,G. G. Petratos,R. Pitthan,Dinko Pocanic,C. Y. Prescott,R. Prepost,P. Raines,B. Raue,B. Raue,D. Reyna,A. Rijllart,A. Rijllart,Y. Roblin,L. S. Rochester,S. E. Rock,O. Rondon,Ingo Sick,L. C. Smith,Timothy B. Smith,M. Spengos,M. Spengos,F. Staley,Pascal Steiner,S.St. Lorant,L. M. Stuart,F. Suekane,Z. M. Szalata,H. Tang,Y. Terrien,T. L. Usher,D. Walz,F.R. Wesselmann,James L. White,James L. White,K. Witte,C. C. Young,B. Youngman,H. Yuta,G. H. Zapalac,B. Zihlmann,D. Zimmermann +101 more
TL;DR: In this paper, the proton and deuteron spin structure functions were measured in the region of the nucleon resonances for W2 < 5GeV2 and Q2(similar, equals)0.5 and 1.2GeV 2 by inelastically scattering 9.7 GeV polarized electrons off polarized 15NH3 and 15ND3 targets.