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题名: Nucleon Resonances in the pi(-)p -> K-0 Lambda Reaction near Threshold
作者: Wu, CZ;  Lu, QF;  Xie, JJ;  Chen, XR
刊名: COMMUNICATIONS IN THEORETICAL PHYSICS
出版日期: 2015
卷号: 63, 期号:2, 页码:215-221
关键词: nucleon resonances ;  Lagrangian approach
学科分类: Physics
通讯作者: Wu, CZ (reprint author), Dalian Univ Technol, Dept Phys, Dalian 116024, Peoples R China.
文章类型: Article
英文摘要: We investigate the two-body reaction pi(-)p -> K-0 Lambda within the effective Lagrangian approach and the isobar model. In addition to the "background" contributions from t-channel K* exchange, u-channel Sigma(1192) and Sigma*(1385) exchanges, and s-channel nucleon pole terms, the contributions from the nucleon resonances N* (1535), N* (1650), and N* (1720) are investigated. It is shown that the inclusion of these nucleon resonances contributions leads to a good description of the experimental total and differential cross sections data at low energy region. The s-channel N* (1535), N* (1650), and N* (1720) resonances and the t-channel K* exchange give the dominant contributions below W = 1.76 GeV, while the s-channel nucleon pole, u-channel Sigma(1192) and Sigma*(1385) exchanges give the minor contributions.
类目[WOS]: Physics, Multidisciplinary
关键词[WOS]: HEAVY-ION COLLISIONS ;  QUARK-MODEL ;  PI-N ;  BARYON RESONANCES ;  PHOTON ENERGIES ;  KAON PRODUCTION ;  MEV-C ;  LAMBDA ;  DEPENDENCE ;  AMPLITUDES
收录类别: SCI
项目资助者: Ministry of Science and Technology of China [2014CB845406] ;  National Natural Science Foundation of China [11105126, 11375024, 11175220] ;  one Hundred Person Project of Chinese Academy of Science [Y101020BRO] ;  Scientific Research Foundation for the Returned Overseas Chinese Scholars, State Education Ministry
语种: 英语
内容类型: 期刊论文
URI标识: http://ir.itp.ac.cn/handle/311006/21100
Appears in Collections:理论物理所2015年知识产出_期刊论文

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Recommended Citation:
Wu, CZ,Lu, QF,Xie, JJ,et al. Nucleon Resonances in the pi(-)p -> K-0 Lambda Reaction near Threshold[J]. COMMUNICATIONS IN THEORETICAL PHYSICS,2015,63(2):215-221.
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