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Single spin asymmetries of inclusive hadrons produced in electron scattering from a transversely polarized 3 He target

  • K. Allada*
  • , Y. X. Zhao
  • , 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. 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, J. Katich, 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, X. Qian, Y. Qiang, A. Rakhman, R. 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
*此作品的通讯作者
  • Massachusetts Institute of Technology
  • Thomas Jefferson National Accelerator Facility
  • University of Science and Technology of China
  • California State University Los Angeles
  • University of Glasgow
  • College of William and Mary
  • Carnegie Mellon University
  • Old Dominion University
  • University of Virginia
  • Hampton University
  • Duke University
  • National Institute for Nuclear Physics
  • Istituto Superiore di Sanita
  • University of Bari
  • University of Kentucky
  • 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
  • Florida International University
  • University of Massachusetts
  • Temple University
  • Université Clermont Auvergne
  • Seoul National University
  • University of Illinois at Urbana-Champaign
  • University of New Hampshire
  • Brookhaven National Laboratory
  • Syracuse University
  • A. Alikhanian Yerevan Institute of Physics
  • University of Ljubljana
  • Lanzhou University

科研成果: 期刊稿件文章同行评审

摘要

We report the first measurement of target single spin asymmetries (AN) in the inclusive hadron production reaction, e+3He↑→h+X, using a transversely polarized 3He target. The experiment was conducted at Jefferson Lab in Hall A using a 5.9-GeV electron beam. Three types of hadrons (π±, K±, and proton) were detected in the transverse hadron momentum range 0.54 <pT< 0.74 GeV/c. The range of xF for pions was -0.29 <xF< -0.23 and for kaons was -0.25 <xF< -0.18. The observed asymmetry strongly depends on the type of hadron. A positive asymmetry is observed for π+ and K+. A negative asymmetry is observed for π-. The magnitudes of the asymmetries follow |Aπ-|<|Aπ+|<|AK+|. The K- and proton asymmetries are consistent with zero within the experimental uncertainties. The π+ and π- asymmetries measured for the 3He target and extracted for neutrons are opposite in sign with a small increase observed as a function of pT.

源语言英语
期刊论文编号042201
期刊Physical Review C - Nuclear Physics
89
4
DOI
出版状态已出版 - 7 4月 2014
已对外发布

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