Measurement of the Target-Normal Single-Spin Asymmetry in Deep-Inelastic Scattering from the Reaction He3↑(e,e')X

Katich, J.; Qian, X.; Zhao, Y. X.; Allada, K.; Aniol, K.; Annand, J. R.  M.; Averett, T.; Benmokhtar, F.; Bertozzi, W.; Bradshaw, P. C.; Bosted, P.; Camsonne, A.; Canan, M.; Cates, G. D.; Chen, C.; Chen, J. -P.; Chen, W.; Chirapatpimol, K.; Chudakov, E.; Cisbani, E.; Cornejo, J. C.; Cusanno, F.; Dalton, M. M.; Deconinck, W.; de Jager, C. W.; De Leo, R.; Deng, X.; Deur, A.; Ding, H.; Dolph, P. A.  M.; Dutta, C.; Dutta, D.; El Fassi, L.; Frullani, S.; Gao, H.; Garibaldi, F.; Gaskell, D.; Gilad, S.; Gilman, R.; Glamazdin, O.; Golge, S.; Guo, L.; Hamilton, D.; Hansen, O.; Higinbotham, D. W.; Holmstrom, T.; Huang, J.; Huang, M.; Ibrahim, H. F.; Iodice, M.; Jiang, X.; Jin, G.; Jones, M. K.; Kelleher, A.; Kim, W.; Kolarkar, A.; Korsch, W.; LeRose, J. J.; Li, X.; Li, Y.; Lindgren, R.; Liyanage, N.; Long, E.; Lu, H. -J.; Margaziotis, D. J.; Markowitz, P.; Marrone, S.; McNulty, D.; Meziani, Z. -E.; Michaels, R.; Moffit, B.; Muñoz Camacho, C.; Nanda, S.; Narayan, A.; Nelyubin, V.; Norum, B.; Oh, Y.; Osipenko, M.; Parno, D.; Peng, J. C.; Phillips, S. K.; Posik, M.; Puckett, A. J.  R.; Qiang, Y.; Rakhman, A.; Ransome, R. D.; Riordan, S.; Saha, A.; Sawatzky, B.; Schulte, E.; Shahinyan, A.; Shabestari, M. H.; Širca, S.; Stepanyan, S.; Subedi, R.; Sulkosky, V.; Tang, L. -G.; Tobias, A.; Urciuoli, G. M.; Vilardi, I.; Wang, K.; Wang, Y.; Wojtsekhowski, B.; Yan, X.; Yao, H.; Ye, Y.; Ye, Z.; Yuan, L.; Zhan, X.; Zhang, Y.; Zhang, Y. -W.; Zhao, B.; Zheng, X.; Zhu, L.; Zhu, X.; Zong, X.

doi:10.1103/PhysRevLett.113.022502

Title: Measurement of the Target-Normal Single-Spin Asymmetry in Deep-Inelastic Scattering from the Reaction ${}^{3}{He}^{↑} (e, e^{'}) X$

Journal Article · Fri Jul 11 00:00:00 EDT 2014 · Physical Review Letters

DOI:https://doi.org/10.1103/PhysRevLett.113.022502· OSTI ID:1599864

Katich, J. ^[1]; Qian, X. ^[2]; Zhao, Y. X. ^[3]; Allada, K. ^[4]; Aniol, K. ^[5]; Annand, J. R. M. ^[6]; Averett, T. ^[7]; Benmokhtar, F. ^[8]; Bertozzi, W. ^[9]; Bradshaw, P. C. ^[7]; Bosted, P. ^[7]; Camsonne, A. ^[10]; Canan, M. ^[11]; Cates, G. D. ^[12]; Chen, C. ^[13]; Chen, J. -P. ^[10]; Chen, W. ^[14]; Chirapatpimol, K. ^[12]; Chudakov, E. ^[10]; Cisbani, E. ^[15] more »

College of William and Mary, Williamsburg, VA (United States); Univ. of Colorado, Boulder, CO (United States)
Duke Univ., Durham, NC (United States); California Institute of Technology (CalTech), Pasadena, CA (United States); Brookhaven National Lab. (BNL), Upton, NY (United States)
Univ. of Science and Technology of China, Hefei (China)
Univ. of Kentucky, Lexington, KY (United States)
California State Univ. (CalState), Los Angeles, CA (United States)
Univ. of Glasgow, Scotland (United Kingdom)
College of William and Mary, Williamsburg, VA (United States)
Carnegie Mellon Univ., Pittsburgh, PA (United States)
Massachusetts Inst. of Technology (MIT), Cambridge, MA (United States)
Thomas Jefferson National Accelerator Facility (TJNAF), Newport News, VA (United States)
Old Dominion Univ., Norfolk, VA (United States)
Univ. of Virginia, Charlottesville, VA (United States)
Hampton Univ., Hampton, VA (United States)
Duke Univ., Durham, NC (United States)
National Inst. of Nuclear Physics (INFN), Rome (Italy); Higher Inst. of Health (ISS), Rome (Italy)
Thomas Jefferson National Accelerator Facility (TJNAF), Newport News, VA (United States); Univ. of Virginia, Charlottesville, VA (United States)
Univ. of Bari (Italy); National Inst. of Nuclear Physics (INFN), Bari (Italy)
Mississippi State Univ., Mississippi State, MS (United States)
Old Dominion Univ., Norfolk, VA (United States); Rutgers Univ., Piscataway, NJ (United States)
Thomas Jefferson National Accelerator Facility (TJNAF), Newport News, VA (United States); Rutgers Univ., Piscataway, NJ (United States)
National Academy of Sciences of Ukraine (NASU), Kharkov (Ukraine). National Scientific Centre, Kharkov Inst. of Physics and Technology (KIPT)
Los Alamos National Lab. (LANL), Los Alamos, NM (United States)
Longwood Univ., Farmville, VA (United States)
Cairo Univ., Giza (Egypt)
National Inst. of Nuclear Physics (INFN), Rome (Italy)
Rutgers Univ., Piscataway, NJ (United States); Los Alamos National Lab. (LANL), Los Alamos, NM (United States)
Kyungpook National Univ., Daegu (Korea, Republic of)
China Inst. of Atomic Energy (CIAE), Beijing (China)
Univ. of New Hampshire, Durham, NH (United States)
Florida International Univ., Miami, FL (United States)
Univ. of Massachusetts, Amherst, MA (United States)
Temple Univ., Philadelphia, PA (United States)
Massachusetts Inst. of Technology (MIT), Cambridge, MA (United States); Thomas Jefferson National Accelerator Facility (TJNAF), Newport News, VA (United States)
Blaise Pascal Univ., Aubière (France)
Seoul National Univ. (Korea, Republic of)
National Inst. of Nuclear Physics (INFN), Genova (Italy)
Univ. of Illinois at Urbana-Champaign, IL (United States)
Massachusetts Inst. of Technology (MIT), Cambridge, MA (United States); Los Alamos National Lab. (LANL), Los Alamos, NM (United States)
Duke Univ., Durham, NC (United States); Thomas Jefferson National Accelerator Facility (TJNAF), Newport News, VA (United States)
Syracuse Univ., NY (United States)
Rutgers Univ., Piscataway, NJ (United States)
Thomas Jefferson National Accelerator Facility (TJNAF), Newport News, VA (United States); Temple Univ., Philadelphia, PA (United States)
Yerevan Physics Inst. (YerPhI) (Armenia)
Univ. of Ljubljana (Slovenia)
Lanzhou Univ. (China)
Hampton Univ., Hampton, VA (United States); Univ. of Illinois at Urbana-Champaign, IL (United States)

We report here the first measurement of the target-normal single-spin asymmetry in deep-inelastic scattering from the inclusive reaction ${}_{3}{He}^{↑} (e, e^{'}) X$ on a polarized ${}_{3}{He}$ gas target. Assuming time-reversal invariance, this asymmetry is strictly zero in the Born approximation but can be nonzero if two-photon-exchange contributions are included. The experiment, conducted at Jefferson Lab using a 5.89 GeV electron beam, covers a range of $1.7 < W < 2.9 GeV$ , $1.0 < Q^{2} < 4.0 {GeV}^{2}$ and $0.16 < x < 0.65$ . Neutron asymmetries were extracted using the effective nucleon polarization and measured proton-to- ${}_{3}{He}$ cross-section ratios. The measured neutron asymmetries shown are negative with an average value of $(- 1.09 \pm 0.38) \times 1 0^{- 2}$ for invariant mass $W > 2 GeV$ , which is nonzero at the $2.89 σ$ level. Our measured asymmetry agrees both in sign and magnitude with a two-photon-exchange model prediction that uses input from the Sivers transverse momentum distribution obtained from semi-inclusive deep-inelastic scattering.

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Research Organization:: Mississippi State Univ., Mississippi State, MS (United States); Thomas Jefferson National Accelerator Facility (TJNAF), Newport News, VA (United States)

Sponsoring Organization:: USDOE Office of Science (SC), Nuclear Physics (NP); National Science Foundation (NSF); UK Science and Technology Facilities Council

Grant/Contract Number:: FG02-07ER41528; AC05-06OR23177

OSTI ID:: 1599864

Journal Information:: Physical Review Letters, Vol. 113, Issue 2; ISSN 0031-9007

Publisher:: American Physical Society (APS)Copyright Statement

Country of Publication:: United States

Language:: English

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Cited by: 21 works

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The spin structure of the nucleon Kabuss, Eva-Maria Czechoslovak Journal of Physics, Vol. 55, Issue S1 https://doi.org/10.1007/bf03031986	journal	January 2005
The spin structure of the nucleon Deur, Alexandre; Brodsky, Stanley J.; de Téramond, Guy F. Reports on Progress in Physics, Vol. 82, Issue 7 https://doi.org/10.1088/1361-6633/ab0b8f	journal	June 2019
Transverse single-spin asymmetries in $p^{↑} p \to γ X$ from quark-gluon-quark correlations in the proton Kanazawa, K.; Koike, Y.; Metz, A. Physical Review D, Vol. 91, Issue 1 https://doi.org/10.1103/physrevd.91.014013	journal	January 2015
The spin structure of the nucleon Bass, S. D.; Thomas, A. W. Progress in Particle and Nuclear Physics, Vol. 33 https://doi.org/10.1016/0146-6410(94)90048-5	journal	January 1994
The Spin Structure of the Nucleon: Proceeding of International School of Nucleon Structure: 1st Course Frois, B.; Hughes, V. W.; de Groot, N. International School of Nucleon Structure, The Spin Structure of the Nucleon https://doi.org/10.1142/9789814529051	conference	April 2017
Operator Constraints for Twist-3 Functions and Lorentz Invariance Properties of Twist-3 Observables Kanazawa, Koichi; Koike, Yuji; Metz, Andreas arXiv https://doi.org/10.48550/arxiv.1512.07233	text	January 2015

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Title: Measurement of the Target-Normal Single-Spin Asymmetry in Deep-Inelastic Scattering from the Reaction ${}^{3}{He}^{↑} (e, e^{'}) X$