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题名: The near threshold pi(-)p -> eta n reaction in an effective Lagrangian approach
作者: Lu, QF ;  Liu, XH ;  Xie, JJ ;  Li, DM
刊名: MODERN PHYSICS LETTERS A
出版日期: 2014
卷号: 29, 期号:4
关键词: DIFFERENTIAL CROSS-SECTIONS ;  THEORETICAL PREDICTION ;  5-QUARK COMPONENTS ;  MONTE-CARLO ;  RESONANCES ;  MEV/C ;  MODEL
学科分类: Physics
DOI: 10.1142/S0217732314500126
通讯作者: Li, DM (reprint author), Zhengzhou Univ, Dept Phys, Zhengzhou 450001, Henan, Peoples R China.
部门归属: [Lu, Qi-Fang; Liu, Xiao-Hao; Li, De-Min] Zhengzhou Univ, Dept Phys, Zhengzhou 450001, Henan, Peoples R China; [Xie, Ju-Jun] Chinese Acad Sci, Inst Modern Phys, Lanzhou 730000, Peoples R China; [Xie, Ju-Jun] Chinese Acad Sci, Inst Modern Phys, Res Ctr Hadron & CSR Phys, Lanzhou 730000, Peoples R China; [Xie, Ju-Jun] Lanzhou Univ, Lanzhou 730000, Peoples R China; [Xie, Ju-Jun] Chinese Acad Sci, Inst Theoret Phys, State Key Lab Theoret Phys, Beijing 100190, Peoples R China
英文摘要: The near threshold pi(-)p -> eta n reaction is studied within an effective Lagrangian approach and the isobar model. By considering the contributions from s- and u-channel nucleon pole and N*(1535) resonance, the total and differential cross-sections of the pi(-)p -> eta n reaction near threshold are calculated. Our theoretical results can fairly reproduce the current experimental data. It is also shown that while the center-of-mass energy lies in the range from the reaction threshold up to 1.65 GeV, 8-channel N*(1535) resonance plays the dominant:, role. The effect from nucleon pole is found to be small but the interference terms between the N*(1535) resonance and the nucleon pole are significant. The contributions from t-channel processes are negligible in the present calculation.
资助者: National Natural Science Foundation of China [11105126]
收录类别: SCI
原文出处: 查看原文
语种: 英语
WOS记录号: WOS:000331730200002
Citation statistics: 
内容类型: 期刊论文
URI标识: http://ir.itp.ac.cn/handle/311006/15477
Appears in Collections:理论物理所2014年知识产出 _期刊论文

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Recommended Citation:
Lu, QF,Liu, XH,Xie, JJ,et al. The near threshold pi(-)p -> eta n reaction in an effective Lagrangian approach[J]. MODERN PHYSICS LETTERS A,2014,29(4).
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