Measurement of the target-normal single-spin asymmetry in deep-inelastic scattering from the reaction <sup>3</sup>He↑(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.
DOIAbstract
We report the first measurement of the target-normal single-spin asymmetry in deep-inelastic scattering from the inclusive reaction <sup>3</sup>He↑(e,e′)X on a polarized <sup>3</sup>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<sup>2</sup><4.0 GeV<sup>2</sup> 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 a...
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