Possible evidence for the Sigma* resonance with J(P)=1/2(-) around 1380 MeV
Wu JJ(吴佳俊); Zou BS(邹冰松); Wu, JJ; Dulat, S; Zou, BS
刊名PHYSICAL REVIEW C
2010
卷号81期号:4页码:45210
学科分类Physics
DOI10.1103/PhysRevC.81.045210
通讯作者[Wu, Jia-Jun ; Zou, B. S.] CAS, Inst High Energy Phys, Beijing 100049, Peoples R China ; [Dulat, S.] Xinjiang Univ, Sch Phys Sci & Technol, Urumqi 830046, Peoples R China ; [Dulat, S. ; Zou, B. S.] CAS, Theoret Phys Ctr Sci Facil, Beijing 100049, Peoples R China
文章类型Article
英文摘要The unquenched quark models predict the new particle Sigma* with spin-parity J(P) = 1/2(-) and its mass is around the well-established Sigma* (1385) with J(P) = 3/2(+). Here, by using the effective Lagrangian approach, we study K- p -> Lambda pi(-) pi(+) reaction at the range of Lambda* (1520) peak, comparing the resulting total cross section, and pi(+) pi(-), Lambda pi(+), Lambda pi(-) invariant squared mass distributions for various incident K- momenta, as well as the production angular distribution of the Lambda with the data from the Lawrence Berkeley Laboratory 25-inch hydrogen bubble chamber; we find that, apart from the existing resonance Sigma* (1385) with J(P) = 3/2(+), there is evidence for possible existence of the new resonance Sigma* with J(P) = 1/2(-) around 1380 MeV. Higher statistic data on relevant reactions are needed to clarify the situation.
类目[WOS]Physics, Nuclear
研究领域[WOS]Physics
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语种英语
WOS记录号WOS:000277209500079
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被引频次:21[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.ihep.ac.cn/handle/311005/240630
专题中国科学院高能物理研究所_理论物理室_期刊论文
作者单位中国科学院高能物理研究所
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Wu JJ,Zou BS,Wu, JJ,et al. Possible evidence for the Sigma* resonance with J(P)=1/2(-) around 1380 MeV[J]. PHYSICAL REVIEW C,2010,81(4):45210.
APA 吴佳俊,邹冰松,Wu, JJ,Dulat, S,&Zou, BS.(2010).Possible evidence for the Sigma* resonance with J(P)=1/2(-) around 1380 MeV.PHYSICAL REVIEW C,81(4),45210.
MLA 吴佳俊,et al."Possible evidence for the Sigma* resonance with J(P)=1/2(-) around 1380 MeV".PHYSICAL REVIEW C 81.4(2010):45210.
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