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题名: Possible Sigma*(1/2(-)) in the initial-state polarized gamma N -> K+Sigma*(1385) -> K+pi Lambda reaction near threshold
作者: Chen, YH ;  Zou, BS
刊名: PHYSICAL REVIEW C
出版日期: 2013
卷号: 88, 期号:2, 页码:24304
关键词: QUARK-MODEL ;  PHOTOPRODUCTION ;  RESONANCES ;  BARYONS
学科分类: Physics
通讯作者: Chen, YH (reprint author), Chinese Acad Sci, Inst High Energy Phys, POB 918 4, Beijing 100049, Peoples R China.
部门归属: [Chen, Yun-Hua; Zou, B. S.] Chinese Acad Sci, Inst High Energy Phys, Beijing 100049, Peoples R China; [Zou, B. S.] Chinese Acad Sci, Inst Theoret Phys, State Key Lab Theoret Phys, Beijing 100190, Peoples R China
英文摘要: By using an effective Lagrangian method, we study the effects of a newly proposed Sigma*(1/2(-)) state with mass around 1380 MeV in the initial-state polarized gamma N -> K+Sigma*(1385) -> K+pi Lambda process near threshold. The theoretical predictions for the helicity cross sections sigma(3/2), sigma(1/2), as well as their ratios, and the angular distributions of pi in the pi Lambda center-of-mass system are given. It is found that assuming Sigma*(1/2(-)) exists or not, these physical quantities are distinctly different. So our results could be useful for the investigation of the existence of Sigma*(1/2(-)) when the experimental data are available in the future.
资助者: National Natural Science Foundation of China [11035006, 11121092, 11261130311]; Chinese Academy of Sciences [KJCX2-EW-N01]; Ministry of Science and Technology of China [2009CB825200]; DFG [CRC110]; NSFC [CRC110]
收录类别: SCI
原文出处: 查看原文
语种: 英语
WOS记录号: WOS:000322796900004
Citation statistics: 
内容类型: 期刊论文
URI标识: http://ir.itp.ac.cn/handle/311006/15299
Appears in Collections:理论物理所2013年知识产出 _期刊论文

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Recommended Citation:
Chen, YH,Zou, BS. Possible Sigma*(1/2(-)) in the initial-state polarized gamma N -> K+Sigma*(1385) -> K+pi Lambda reaction near threshold[J]. PHYSICAL REVIEW C,2013,88(2):24304.
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