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Title: Beam-Target Double-Spin Asymmetry A LT in Charged Pion Production from Deep Inelastic Scattering on a Transversely Polarized He 3 Target at 1.4 < Q 2 < 2.7 GeV 2

Abstract

We report the first measurement of the double-spin asymmetry ALT for charged pion electroproduction in semi-inclusive deep inelastic electron scattering on a transversely polarized 3He target. The kinematics focused on the valence quark region, 0.16 < x < 0.35 with 1.4 < Q2 < 2.7 GeV2. The corresponding neutron ALT asymmetries were extracted from the measured 3He asymmetries and proton/3He cross section ratios using the effective polarization approximation. These new data probe the transverse momentum dependent parton distribution function g1Tq and therefore provide access to quark spin-orbit correlations. Our results indicate a positive azimuthal asymmetry for π- production on 3He and the neutron, while our π+ asymmetries are consistent with zero.

Authors:
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Publication Date:
Research Org.:
Thomas Jefferson National Accelerator Facility (TJNAF), Newport News, VA (United States)
Sponsoring Org.:
USDOE Office of Science (SC)
Contributing Org.:
Jefferson Lab Hall A Collaboration
OSTI Identifier:
1034413
Alternate Identifier(s):
OSTI ID: 1099059
Report Number(s):
JLAB-PHY-11-1359; DOE/OR/23177-1734; arXiv:1108.0489
Journal ID: ISSN 0031-9007; PRLTAO; TRN: US1200812
Grant/Contract Number:  
AC05-06OR23177
Resource Type:
Accepted Manuscript
Journal Name:
Physical Review Letters
Additional Journal Information:
Journal Volume: 108; Journal Issue: 5; Journal ID: ISSN 0031-9007
Publisher:
American Physical Society (APS)
Country of Publication:
United States
Language:
English
Subject:
72 PHYSICS OF ELEMENTARY PARTICLES AND FIELDS; ASYMMETRY; CROSS SECTIONS; DEEP INELASTIC SCATTERING; DISTRIBUTION FUNCTIONS; ELECTRONS; ELECTROPRODUCTION; NEUTRONS; PIONS; POLARIZATION; PROBES; PRODUCTION; QUARKS; SCATTERING; SPIN; TARGETS; TRANSVERSE MOMENTUM; VALENCE

Citation Formats

Huang, J., Allada, K., Dutta, C., Katich, J., Qian, X., 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., 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, 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, 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., Wojtsekhowski, B., Yan, X., Yao, H., Ye, Y., Ye, Z., Yuan, L., Zhan, X., Zhang, Y. -W., Zhao, B., Zheng, X., Zhu, L., Zhu, X., and Zong, X.. Beam-Target Double-Spin Asymmetry ALT in Charged Pion Production from Deep Inelastic Scattering on a Transversely Polarized He3 Target at 1.4<Q2<2.7 GeV2. United States: N. p., 2012. Web. doi:10.1103/PhysRevLett.108.052001.
Huang, J., Allada, K., Dutta, C., Katich, J., Qian, X., 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., 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, 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, 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., Wojtsekhowski, B., Yan, X., Yao, H., Ye, Y., Ye, Z., Yuan, L., Zhan, X., Zhang, Y. -W., Zhao, B., Zheng, X., Zhu, L., Zhu, X., & Zong, X.. Beam-Target Double-Spin Asymmetry ALT in Charged Pion Production from Deep Inelastic Scattering on a Transversely Polarized He3 Target at 1.4<Q2<2.7 GeV2. United States. https://doi.org/10.1103/PhysRevLett.108.052001
Huang, J., Allada, K., Dutta, C., Katich, J., Qian, X., 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., 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, 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, 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., Wojtsekhowski, B., Yan, X., Yao, H., Ye, Y., Ye, Z., Yuan, L., Zhan, X., Zhang, Y. -W., Zhao, B., Zheng, X., Zhu, L., Zhu, X., and Zong, X.. Sun . "Beam-Target Double-Spin Asymmetry ALT in Charged Pion Production from Deep Inelastic Scattering on a Transversely Polarized He3 Target at 1.4<Q2<2.7 GeV2". United States. https://doi.org/10.1103/PhysRevLett.108.052001. https://www.osti.gov/servlets/purl/1034413.
@article{osti_1034413,
title = {Beam-Target Double-Spin Asymmetry ALT in Charged Pion Production from Deep Inelastic Scattering on a Transversely Polarized He3 Target at 1.4<Q2<2.7 GeV2},
author = {Huang, J. and Allada, K. and Dutta, C. and Katich, J. and Qian, X. and Wang, Y. and Zhang, Y. and Aniol, K. and Annand, J. R. M. and Averett, T. and Benmokhtar, F. and Bertozzi, W. and Bradshaw, P. C. and Bosted, P. and Camsonne, A. and Canan, M. and Cates, G. D. and Chen, C. and Chen, J. -P. and Chen, W. and Chirapatpimol, K. and Chudakov, E. and Cisbani, E. and Cornejo, J. C. and Cusanno, F. and Dalton, M. M. and Deconinck, W. and de Jager, C. W. and De Leo, R. and Deng, X. and Deur, A. and Ding, H. and Dolph, P. A. M. and Dutta, D. and El Fassi, L. and Frullani, S. and Gao, H. and Garibaldi, F. and Gaskell, D. and Gilad, S. and Gilman, R. and Glamazdin, O. and Golge, S. and Guo, L. and Hamilton, D. and Hansen, O. and Higinbotham, D. W. and Holmstrom, T. and Huang, M. and Ibrahim, H. F. and Iodice, M. and Jiang, X. and Jin, G. and Jones, M. K. and Kelleher, A. and Kim, W. and Kolarkar, A. and Korsch, W. and LeRose, J. J. and Li, X. and Li, Y. and Lindgren, R. and Liyanage, N. and Long, E. and Lu, H. -J. and Margaziotis, D. J. and Markowitz, P. and Marrone, S. and McNulty, D. and Meziani, Z. -E. and Michaels, R. and Moffit, B. and Muñoz Camacho, C. and Nanda, S. and Narayan, A. and Nelyubin, V. and Norum, B. and Oh, Y. and Osipenko, M. and Parno, D. and Peng, J. C. and Phillips, S. K. and Posik, M. and Puckett, A. J. R. and Qiang, Y. and Rakhman, A. and Ransome, R. D. and Riordan, S. and Saha, A. and Sawatzky, B. and Schulte, E. and Shahinyan, A. and Shabestari, M. H. and Širca, S. and Stepanyan, S. and Subedi, R. and Sulkosky, V. and Tang, L. -G. and Tobias, A. and Urciuoli, G. M. and Vilardi, I. and Wang, K. and Wojtsekhowski, B. and Yan, X. and Yao, H. and Ye, Y. and Ye, Z. and Yuan, L. and Zhan, X. and Zhang, Y. -W. and Zhao, B. and Zheng, X. and Zhu, L. and Zhu, X. and Zong, X.},
abstractNote = {We report the first measurement of the double-spin asymmetry ALT for charged pion electroproduction in semi-inclusive deep inelastic electron scattering on a transversely polarized 3He target. The kinematics focused on the valence quark region, 0.16 < x < 0.35 with 1.4 < Q2 < 2.7 GeV2. The corresponding neutron ALT asymmetries were extracted from the measured 3He asymmetries and proton/3He cross section ratios using the effective polarization approximation. These new data probe the transverse momentum dependent parton distribution function g1Tq and therefore provide access to quark spin-orbit correlations. Our results indicate a positive azimuthal asymmetry for π- production on 3He and the neutron, while our π+ asymmetries are consistent with zero.},
doi = {10.1103/PhysRevLett.108.052001},
journal = {Physical Review Letters},
number = 5,
volume = 108,
place = {United States},
year = {Sun Jan 01 00:00:00 EST 2012},
month = {Sun Jan 01 00:00:00 EST 2012}
}

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