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The near threshold pi(-)p -> eta n reaction in an effective Lagrangian approach
Lu, QF; Liu, XH; Xie, JJ; Li, DM; Li, DM (reprint author), Zhengzhou Univ, Dept Phys, Zhengzhou 450001, Henan, Peoples R China.
2014
发表期刊MODERN PHYSICS LETTERS A
ISSN0217-7323
卷号29期号:4
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.
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
关键词Differential Cross-sections Theoretical Prediction 5-quark Components Monte-carlo Resonances Mev/c Model
学科领域Physics
资助者National Natural Science Foundation of China [11105126] ; National Natural Science Foundation of China [11105126] ; National Natural Science Foundation of China [11105126] ; National Natural Science Foundation of China [11105126]
DOI10.1142/S0217732314500126
URL查看原文
收录类别SCI
语种英语
资助者National Natural Science Foundation of China [11105126] ; National Natural Science Foundation of China [11105126] ; National Natural Science Foundation of China [11105126] ; National Natural Science Foundation of China [11105126]
WOS记录号WOS:000331730200002
引用统计
文献类型期刊论文
条目标识符http://ir.itp.ac.cn/handle/311006/15477
专题2014年知识产出
通讯作者Li, DM (reprint author), Zhengzhou Univ, Dept Phys, Zhengzhou 450001, Henan, Peoples R China.
推荐引用方式
GB/T 7714
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).
APA Lu, QF,Liu, XH,Xie, JJ,Li, DM,&Li, DM .(2014).The near threshold pi(-)p -> eta n reaction in an effective Lagrangian approach.MODERN PHYSICS LETTERS A,29(4).
MLA Lu, QF,et al."The near threshold pi(-)p -> eta n reaction in an effective Lagrangian approach".MODERN PHYSICS LETTERS A 29.4(2014).
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