Single spin asymmetries in charged pion production from semi-inclusive deep inelastic scattering on a transversely polarized He3 target at Q2=1.4-2.7GeV2

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

doi:10.1103/PhysRevLett.107.072003

Single spin asymmetries in charged pion production from semi-inclusive deep inelastic scattering on a transversely polarized He3 target at Q2=1.4-2.7GeV2

X. Qian^*
, K. Allada
, C. Dutta
, J. Huang
, J. Katich
, Y. Wang
, Y. Zhang
, K. Aniol
, J. R.M. Annand
, T. Averett
, F. Benmokhtar
, W. Bertozzi
, P. C. Bradshaw
, P. Bosted
, A. Camsonne
, M. Canan
, G. D. Cates
, C. Chen
, J. P. Chen
, W. Chen

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

^*Corresponding author for this work

Duke University
California Institute of Technology
University of Kentucky
Massachusetts Institute of Technology
College of William and Mary
University of Illinois at Urbana-Champaign
Lanzhou University
California State University Los Angeles
University of Glasgow
Carnegie Mellon University
Thomas Jefferson National Accelerator Facility
Old Dominion University
University of Virginia
Hampton University
National Institute for Nuclear Physics
Istituto Superiore di Sanita
University of Bari
Mississippi State University
Rutgers - The State University of New Jersey, New Brunswick
NASU - Kharkov Institute of Physics and Technology
Los Alamos National Laboratory
Longwood University
Cairo University
Kyungpook National University
China National Nuclear Corporation
Kent State University
University of Science and Technology of China
Florida International University
University of Massachusetts
Temple University
Université Clermont Auvergne
University of New Hampshire
Syracuse University
A. Alikhanian Yerevan Institute of Physics
University of Ljubljana

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Abstract

We report the first measurement of target single spin asymmetries in the semi-inclusive He3(e,e^′π^±)X reaction on a transversely polarized target. The experiment, conducted at Jefferson Lab using a 5.9 GeV electron beam, covers a range of 0.16<x<0.35 with 1.4<Q2<2.7GeV2. The Collins and Sivers moments were extracted from the azimuthal angular dependence of the measured asymmetries. The π^± Collins moments for He3 are consistent with zero, except for the π⁺ moment at x=0.35, which deviates from zero by 2.3σ. While the π^- Sivers moments are consistent with zero, the π⁺ Sivers moments favor negative values. The neutron results were extracted using the nucleon effective polarization and measured cross section ratios of proton to He3, and are largely consistent with the predictions of phenomenological fits and quark model calculations.

Original language	English
Article number	072003
Journal	Physical Review Letters
Volume	107
Issue number	7
DOIs	https://doi.org/10.1103/PhysRevLett.107.072003
Publication status	Published - 10 Aug 2011
Externally published	Yes

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10.1103/PhysRevLett.107.072003

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Qian, X., Allada, K., Dutta, C., Huang, J., Katich, J., Wang, Y., Zhang, Y., 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., ... Zong, X. (2011). Single spin asymmetries in charged pion production from semi-inclusive deep inelastic scattering on a transversely polarized He3 target at Q2=1.4-2.7GeV2. Physical Review Letters, 107(7), Article 072003. https://doi.org/10.1103/PhysRevLett.107.072003

@article{26dcd54a03814e62b91dc6e7aca36006,

title = "Single spin asymmetries in charged pion production from semi-inclusive deep inelastic scattering on a transversely polarized He3 target at Q2=1.4-2.7GeV2",

abstract = "We report the first measurement of target single spin asymmetries in the semi-inclusive He3(e,e′π±)X reaction on a transversely polarized target. The experiment, conducted at Jefferson Lab using a 5.9 GeV electron beam, covers a range of 0.16± Collins moments for He3 are consistent with zero, except for the π+ moment at x=0.35, which deviates from zero by 2.3σ. While the π- Sivers moments are consistent with zero, the π+ Sivers moments favor negative values. The neutron results were extracted using the nucleon effective polarization and measured cross section ratios of proton to He3, and are largely consistent with the predictions of phenomenological fits and quark model calculations.",

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

year = "2011",

month = aug,

day = "10",

doi = "10.1103/PhysRevLett.107.072003",

language = "English",

volume = "107",

journal = "Physical Review Letters",

issn = "0031-9007",

publisher = "American Physical Society",

number = "7",

}

Qian, X, Allada, K, Dutta, C, Huang, J, Katich, J, Wang, Y, Zhang, Y, Aniol, K, Annand, JRM, Averett, T, Benmokhtar, F, Bertozzi, W, Bradshaw, PC, Bosted, P, Camsonne, A, Canan, M, Cates, GD, Chen, C, Chen, JP, Chen, W, Chirapatpimol, K, Chudakov, E, Cisbani, E, Cornejo, JC, Cusanno, F, Dalton, MM, Deconinck, W, De Jager, CW, De Leo, R, Deng, X, Deur, A, Ding, H, Dolph, PAM, 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, DW, Holmstrom, T, Huang, M, Ibrahim, HF, Iodice, M, Jiang, X, Jin, G, Jones, MK, Kelleher, A, Kim, W, Kolarkar, A, Korsch, W, Lerose, JJ, Li, X, Li, Y, Lindgren, R, Liyanage, N, Long, E, Lu, HJ, Margaziotis, DJ, Markowitz, P, Marrone, S, McNulty, D, Meziani, ZE, Michaels, R, Moffit, B, Muñoz Camacho, C, Nanda, S, Narayan, A, Nelyubin, V, Norum, B, Oh, Y, Osipenko, M, Parno, D, Peng, JC, Phillips, SK, Posik, M, Puckett, AJR, Qiang, Y, Rakhman, A, Ransome, RD, Riordan, S, Saha, A, Sawatzky, B, Schulte, E, Shahinyan, A, Shabestari, MH, Å Irca, S, Stepanyan, S, Subedi, R, Sulkosky, V, Tang, LG, Tobias, A, Urciuoli, GM, Vilardi, I, Wang, K, Wojtsekhowski, B, Yan, X, Yao, H, Ye, Y, Ye, Z, Yuan, L, Zhan, X, Zhang, YW, Zhao, B, Zheng, X, Zhu, L, Zhu, X & Zong, X 2011, 'Single spin asymmetries in charged pion production from semi-inclusive deep inelastic scattering on a transversely polarized He3 target at Q2=1.4-2.7GeV2', Physical Review Letters, vol. 107, no. 7, 072003. https://doi.org/10.1103/PhysRevLett.107.072003

TY - JOUR

T1 - Single spin asymmetries in charged pion production from semi-inclusive deep inelastic scattering on a transversely polarized He3 target at Q2=1.4-2.7GeV2

AU - Qian, X.

AU - Allada, K.

AU - Dutta, C.

AU - Huang, J.

AU - Katich, J.

AU - Wang, Y.

AU - Zhang, Y.

AU - Aniol, K.

AU - Annand, J. R.M.

AU - Averett, T.

AU - Benmokhtar, F.

AU - Bertozzi, W.

AU - Bradshaw, P. C.

AU - Bosted, P.

AU - Camsonne, A.

AU - Canan, M.

AU - Cates, G. D.

AU - Chen, C.

AU - Chen, J. P.

AU - Chen, W.

AU - Chirapatpimol, K.

AU - Chudakov, E.

AU - Cisbani, E.

AU - Cornejo, J. C.

AU - Cusanno, F.

AU - Dalton, M. M.

AU - Deconinck, W.

AU - De Jager, C. W.

AU - De Leo, R.

AU - Deng, X.

AU - Deur, A.

AU - Ding, H.

AU - Dolph, P. A.M.

AU - Dutta, D.

AU - El Fassi, L.

AU - Frullani, S.

AU - Gao, H.

AU - Garibaldi, F.

AU - Gaskell, D.

AU - Gilad, S.

AU - Gilman, R.

AU - Glamazdin, O.

AU - Golge, S.

AU - Guo, L.

AU - Hamilton, D.

AU - Hansen, O.

AU - Higinbotham, D. W.

AU - Holmstrom, T.

AU - Huang, M.

AU - Ibrahim, H. F.

AU - Iodice, M.

AU - Jiang, X.

AU - Jin, G.

AU - Jones, M. K.

AU - Kelleher, A.

AU - Kim, W.

AU - Kolarkar, A.

AU - Korsch, W.

AU - Lerose, J. J.

AU - Li, X.

AU - Li, Y.

AU - Lindgren, R.

AU - Liyanage, N.

AU - Long, E.

AU - Lu, H. J.

AU - Margaziotis, D. J.

AU - Markowitz, P.

AU - Marrone, S.

AU - McNulty, D.

AU - Meziani, Z. E.

AU - Michaels, R.

AU - Moffit, B.

AU - Muñoz Camacho, C.

AU - Nanda, S.

AU - Narayan, A.

AU - Nelyubin, V.

AU - Norum, B.

AU - Oh, Y.

AU - Osipenko, M.

AU - Parno, D.

AU - Peng, J. C.

AU - Phillips, S. K.

AU - Posik, M.

AU - Puckett, A. J.R.

AU - Qiang, Y.

AU - Rakhman, A.

AU - Ransome, R. D.

AU - Riordan, S.

AU - Saha, A.

AU - Sawatzky, B.

AU - Schulte, E.

AU - Shahinyan, A.

AU - Shabestari, M. H.

AU - Å Irca, S.

AU - Stepanyan, S.

AU - Subedi, R.

AU - Sulkosky, V.

AU - Tang, L. G.

AU - Tobias, A.

AU - Urciuoli, G. M.

AU - Vilardi, I.

AU - Wang, K.

AU - Wojtsekhowski, B.

AU - Yan, X.

AU - Yao, H.

AU - Ye, Y.

AU - Ye, Z.

AU - Yuan, L.

AU - Zhan, X.

AU - Zhang, Y. W.

AU - Zhao, B.

AU - Zheng, X.

AU - Zhu, L.

AU - Zhu, X.

AU - Zong, X.

PY - 2011/8/10

Y1 - 2011/8/10

N2 - We report the first measurement of target single spin asymmetries in the semi-inclusive He3(e,e′π±)X reaction on a transversely polarized target. The experiment, conducted at Jefferson Lab using a 5.9 GeV electron beam, covers a range of 0.16± Collins moments for He3 are consistent with zero, except for the π+ moment at x=0.35, which deviates from zero by 2.3σ. While the π- Sivers moments are consistent with zero, the π+ Sivers moments favor negative values. The neutron results were extracted using the nucleon effective polarization and measured cross section ratios of proton to He3, and are largely consistent with the predictions of phenomenological fits and quark model calculations.

AB - We report the first measurement of target single spin asymmetries in the semi-inclusive He3(e,e′π±)X reaction on a transversely polarized target. The experiment, conducted at Jefferson Lab using a 5.9 GeV electron beam, covers a range of 0.16± Collins moments for He3 are consistent with zero, except for the π+ moment at x=0.35, which deviates from zero by 2.3σ. While the π- Sivers moments are consistent with zero, the π+ Sivers moments favor negative values. The neutron results were extracted using the nucleon effective polarization and measured cross section ratios of proton to He3, and are largely consistent with the predictions of phenomenological fits and quark model calculations.

UR - https://www.scopus.com/pages/publications/80051619005

U2 - 10.1103/PhysRevLett.107.072003

DO - 10.1103/PhysRevLett.107.072003

M3 - Article

AN - SCOPUS:80051619005

SN - 0031-9007

VL - 107

JO - Physical Review Letters

JF - Physical Review Letters

IS - 7

M1 - 072003

ER -

Single spin asymmetries in charged pion production from semi-inclusive deep inelastic scattering on a transversely polarized He3 target at Q2=1.4-2.7GeV2

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