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Evidence for a new resonance ∑*(1380)with JP=1/2
Wu JJ(吴佳俊); S.Dulat; ZOU; Zou BS(邹冰松)
Source Publication中国物理C(英文版)
AbstractA new particle ∑* with JP = 1/2-was predicted by unquenched quark models with its mass around the well established ∑*(1385) with JP = 3/2+.Here we re-examine some old data of the K-p →Λπ-π+reaction.Firstly we re-fit the data for kaon beam momenta in the range of 1.0-1.8 GeV.Secondly we study the reaction at the energies around Λ*(1520)peak.Both studies show evidence for the existence of Σ*with JR = 1/2-around 1380 MeV.Higher statistic data on relevant reactions are needed to clarify the situation.
KeywordΣ* unquenched quark model K-p→Λπ-π+reaction
Indexed ByCNKI
Document Type期刊论文
Recommended Citation
GB/T 7714
Wu JJ,S.Dulat,ZOU,et al. Evidence for a new resonance ∑*(1380)with JP=1/2[J]. 中国物理C(英文版),2010(6):1508-1511.
APA 吴佳俊,S.Dulat,ZOU,&邹冰松.(2010).Evidence for a new resonance ∑*(1380)with JP=1/2.中国物理C(英文版)(6),1508-1511.
MLA 吴佳俊,et al."Evidence for a new resonance ∑*(1380)with JP=1/2".中国物理C(英文版) .6(2010):1508-1511.
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