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题名: The gamma p -> na(2)(+) (1320) -> n rho(0)pi(+) reactions within an effective Lagrangian approach
作者: Huang, Y ;  Xie, JJ ;  Chen, XR ;  He, J ;  Zhang, HF
刊名: INTERNATIONAL JOURNAL OF MODERN PHYSICS E-NUCLEAR PHYSICS
出版日期: 2014
卷号: 23, 期号:6, 页码:1460002
关键词: MESON-EXCHANGE MODEL ;  THEORETICAL PREDICTION ;  PHOTOPRODUCTION ;  SYMMETRIES ;  RESONANCES
学科分类: Physics
DOI: 10.1142/S0218301314600027
通讯作者: Xie, JJ (reprint author), Chinese Acad Sci, Inst Modern Phys, Res Ctr Hadron & CSR Phys, Lanzhou 730000, Peoples R China.
部门归属: [Huang, Yin ;  Xie, Ju-Jun ;  Chen, Xu-Rong ;  He, Jun] Chinese Acad Sci, Inst Modern Phys, Res Ctr Hadron & CSR Phys, Lanzhou 730000, Peoples R China ;  [Huang, Yin ;  Xie, Ju-Jun ;  Chen, Xu-Rong ;  He, Jun] Lanzhou Univ, Lanzhou 730000, Peoples R China ;  [Huang, Yin ;  Xie, Ju-Jun ;  Chen, Xu-Rong ;  He, Jun ;  Zhang, Hong-Fei] Chinese Acad Sci, Inst Modern Phys, Lanzhou 730000, Peoples R China ;  [Huang, Yin ;  Zhang, Hong-Fei] Lanzhou Univ, Sch Nucl Sci & Technol, Lanzhou 730000, Peoples R China ;  [Xie, Ju-Jun ;  He, Jun] Chinese Acad Sci, State Key Lab Theoret Phys, Inst Theoret Phys, Beijing 100190, Peoples R China
英文摘要: We investigate the tensor meson a(2)(1320) photon-production off proton in the gamma p -> na(2)(+) (1320) and gamma p -> n rho(0)pi(+) reactions within the effective Lagrangian approach and isobar model. For gamma p -> na(2)(+) (1320) reaction, by considering the contributions from only the t-channel pi(+) exchange, we get a fairly good description of the current experimental data for the total cross-section. Based on the theoretical results of the gamma p -> na(2)(+) (1320) reaction, we studied the role of a(2)(1320) meson in the gamma p -> n rho(0)pi(+) reaction, which mainly contributes to the gamma p -> n pi(+)pi(+)pi(-) reaction. The latter reaction has been measured by the CLAS Collaboration at the photon energy E-gamma around 5.1 GeV. For the gamma p -> n rho(0)pi(+) reaction, we pay attention to the low photon energy region where the contribution from a(2)(1320) meson is dominant, while the contribution from the pi(2)(1670) meson could be very small and hence can be neglected. The total cross-sections, invariant mass distribution and the Dalitz plot of gamma p -> n rho(0)pi(+) reaction are shown, which can be tested by future experiments.
资助者: National Natural Science Foundation of China [11105126, 11175220, 11275235, 11035006, 10905077]; Century Program of Chinese Academy of Sciences [Y101020BR0]; Knowledge Innovation Project of the Chinese Academy of Sciences [KJCX2-EW-N01]
收录类别: SCI
原文出处: 查看原文
语种: 英语
WOS记录号: WOS:000340298000003
Citation statistics: 
内容类型: 期刊论文
URI标识: http://ir.itp.ac.cn/handle/311006/15744
Appears in Collections:理论物理所2014年知识产出 _期刊论文

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Recommended Citation:
Huang, Y,Xie, JJ,Chen, XR,et al. The gamma p -> na(2)(+) (1320) -> n rho(0)pi(+) reactions within an effective Lagrangian approach[J]. INTERNATIONAL JOURNAL OF MODERN PHYSICS E-NUCLEAR PHYSICS,2014,23(6):1460002.
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