Measurement of the target-normal single-spin asymmetry in deep-inelastic scattering from the reaction He 3 ↑ (e,e′)X

J. Katich; X. Qian; Y. X. Zhao; K. Allada; 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; C. Dutta; 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; J. Huang; 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. Širca; S. Stepanyan; R. Subedi; V. Sulkosky; L. G. Tang; A. Tobias; G. M. Urciuoli; I. Vilardi; K. Wang; Y. Wang; B. Wojtsekhowski; X. Yan; H. Yao; Y. Ye; Z. Ye; L. Yuan; X. Zhan; Y. Zhang; Y. W. Zhang; B. Zhao; X. Zheng; L. Zhu; X. Zhu; X. Zong

doi:10.1103/PhysRevLett.113.022502

Measurement of the target-normal single-spin asymmetry in deep-inelastic scattering from the reaction He 3 ↑ (e,e′)X

J. Katich, X. Qian, Y. X. Zhao, K. Allada, 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. CisbaniJ. 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, C. Dutta, 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, J. Huang, 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. Širca, S. Stepanyan, R. Subedi, V. Sulkosky, L. G. Tang, A. Tobias, G. M. Urciuoli, I. Vilardi, K. Wang, Y. Wang, B. Wojtsekhowski, X. Yan, H. Yao, Y. Ye, Z. Ye, L. Yuan, X. Zhan, Y. Zhang, Y. W. Zhang, B. Zhao, X. Zheng, L. Zhu, X. Zhu, X. Zong

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Abstract

We report the first measurement of the target-normal single-spin asymmetry in deep-inelastic scattering from the inclusive reaction He3↑(e,e′)X on a polarized He3 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<2.9GeV, 1.0<Q2<4.0GeV2 and 0.16<x<0.65. Neutron asymmetries were extracted using the effective nucleon polarization and measured proton-to-He3 cross-section ratios. The measured neutron asymmetries are negative with an average value of (-1.09±0.38)×10-2 for invariant mass W>2GeV, which is nonzero at the 2.89σ 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.

Original language	English
Article number	022502
Journal	Physical Review Letters
Volume	113
Issue number	2
DOIs	https://doi.org/10.1103/PhysRevLett.113.022502
Publication status	Published - 11 Jul 2014
Externally published	Yes

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10.1103/PhysRevLett.113.022502

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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., ... Zong, X. (2014). Measurement of the target-normal single-spin asymmetry in deep-inelastic scattering from the reaction He 3 ↑ (e,e′)X. Physical Review Letters, 113(2), Article 022502. https://doi.org/10.1103/PhysRevLett.113.022502

@article{a04fa4ce98624161a2a851f875650368,

title = "Measurement of the target-normal single-spin asymmetry in deep-inelastic scattering from the reaction He 3 ↑ (e,e′)X",

abstract = "We report the first measurement of the target-normal single-spin asymmetry in deep-inelastic scattering from the inclusive reaction He3↑(e,e′)X on a polarized He3 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 1.72GeV, which is nonzero at the 2.89σ 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.",

author = "J. Katich and X. Qian and Zhao, {Y. X.} and K. Allada 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 C. Dutta 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 J. Huang 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 S. {\v S}irca 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 Y. Wang and B. Wojtsekhowski and X. Yan and H. Yao and Y. Ye and Z. Ye and L. Yuan and X. Zhan and Y. Zhang and Zhang, {Y. W.} and B. Zhao and X. Zheng and L. Zhu and X. Zhu and X. Zong",

year = "2014",

month = jul,

day = "11",

doi = "10.1103/PhysRevLett.113.022502",

language = "English",

volume = "113",

journal = "Physical Review Letters",

issn = "0031-9007",

publisher = "American Physical Society",

number = "2",

}

Katich, J, Qian, X, Zhao, YX, Allada, K, 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, 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, DW, Holmstrom, T, Huang, J, 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, Širca, S, Stepanyan, S, Subedi, R, Sulkosky, V, Tang, LG, Tobias, A, Urciuoli, GM, Vilardi, I, Wang, K, Wang, Y, Wojtsekhowski, B, Yan, X, Yao, H, Ye, Y, Ye, Z, Yuan, L, Zhan, X, Zhang, Y, Zhang, YW, Zhao, B, Zheng, X, Zhu, L, Zhu, X & Zong, X 2014, 'Measurement of the target-normal single-spin asymmetry in deep-inelastic scattering from the reaction He 3 ↑ (e,e′)X', Physical Review Letters, vol. 113, no. 2, 022502. https://doi.org/10.1103/PhysRevLett.113.022502

TY - JOUR

T1 - Measurement of the target-normal single-spin asymmetry in deep-inelastic scattering from the reaction He 3 ↑ (e,e′)X

AU - Katich, J.

AU - Qian, X.

AU - Zhao, Y. X.

AU - Allada, K.

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, C.

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, J.

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 - Širca, 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 - Wang, Y.

AU - Wojtsekhowski, B.

AU - Yan, X.

AU - Yao, H.

AU - Ye, Y.

AU - Ye, Z.

AU - Yuan, L.

AU - Zhan, X.

AU - Zhang, Y.

AU - Zhang, Y. W.

AU - Zhao, B.

AU - Zheng, X.

AU - Zhu, L.

AU - Zhu, X.

AU - Zong, X.

PY - 2014/7/11

Y1 - 2014/7/11

N2 - We report the first measurement of the target-normal single-spin asymmetry in deep-inelastic scattering from the inclusive reaction He3↑(e,e′)X on a polarized He3 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 1.72GeV, which is nonzero at the 2.89σ 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.

AB - We report the first measurement of the target-normal single-spin asymmetry in deep-inelastic scattering from the inclusive reaction He3↑(e,e′)X on a polarized He3 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 1.72GeV, which is nonzero at the 2.89σ 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.

UR - http://www.scopus.com/inward/record.url?scp=84904292784&partnerID=8YFLogxK

U2 - 10.1103/PhysRevLett.113.022502

DO - 10.1103/PhysRevLett.113.022502

M3 - Article

AN - SCOPUS:84904292784

SN - 0031-9007

VL - 113

JO - Physical Review Letters

JF - Physical Review Letters

IS - 2

M1 - 022502

ER -

Measurement of the target-normal single-spin asymmetry in deep-inelastic scattering from the reaction He 3 ↑ (e,e′)X

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