Contribution of Vector Meson Dominance to the Single-Spin Azimuthal Asymmetry in Semi-inclusive Pion Electro-Production
XU Qing-Hua, LIANG Zuo-Tang
Department of Physics, Shandong University, Ji’nan, Shandong 250100
Contribution of Vector Meson Dominance to the Single-Spin Azimuthal Asymmetry in Semi-inclusive Pion Electro-Production
XU Qing-Hua;LIANG Zuo-Tang
Department of Physics, Shandong University, Ji’nan, Shandong 250100
关键词 ：
12.40.Vv ,
13.60.-r ,
13.88.+e
Abstract ： We calculate the contribution of vector meson dominance to deeply inelastic lepton-nucleon scattering in the kinematic region of the HERMES experiment. The results obtained show that this contribution is quite significant. Together with the fact that there exist very striking left-right asymmetries for hadron produced in single-spin hadron-hadron collisions, these results imply that the single-spin azimuthal asymmetry observed by HERMES cannot be simply regarded as a pure fragmentation effect.
Key words ：
12.40.Vv
13.60.-r
13.88.+e
出版日期: 2001-08-01
:
12.40.Vv
(Vector-meson dominance)
13.60.-r
(Photon and charged-lepton interactions with hadrons)
13.88.+e
(Polarization in interactions and scattering)
引用本文:
XU Qing-Hua;LIANG Zuo-Tang. Contribution of Vector Meson Dominance to the Single-Spin Azimuthal Asymmetry in Semi-inclusive Pion Electro-Production[J]. 中国物理快报, 2001, 18(8): 1021-1023.
链接本文:
https://cpl.iphy.ac.cn/CN/
或
https://cpl.iphy.ac.cn/CN/Y2001/V18/I8/1021
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