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Observation of new states decaying into Lambda K-c(-)pi(+) and Lambda K-+(c)S(0)pi(-)
Belle Collaboration
2006
发表期刊PHYSICAL REVIEW LETTERS
卷号97期号:16
通讯作者Chistov, R (reprint author), Inst Theoret & Expt Phys, Moscow 117259, Russia.
摘要We report the first observation of two charmed strange baryons that decay into Lambda K-+(c)-pi(+). The broader of the two states is measured to have a mass of 2978.5 +/- 2.1 +/- 2.0 MeV/c(2) and a width of 43.5 +/- 7.5 +/- 7.0 MeV/c(2). The mass and width of the narrow state are measured to be 3076.7 +/- 0.9 +/- 0.5 MeV/c(2) and 6.2 +/- 1.2 +/- 0.8 MeV/c(2), respectively. We also perform a search for the isospin partner states that decay into Lambda K-+(c)S(0)pi(-) and observe a significant signal at the mass of 3082.8 +/- 1.8 +/- 1.5 MeV/c(2). The data used for this analysis were accumulated at or near the Upsilon(4S) resonance, using the Belle detector at the e(+)e(-) asymmetric-energy collider KEKB. The integrated luminosity of the data sample used is 461.5 fb(-1).
关键词OCTET QUARKONIA PRODUCTION CHARMED BARYON MODEL SPECTROSCOPY LAMBDA(+)(C) TEVATRON SYMMETRY MASS
学科领域Physics
DOI10.1103/PhysRevLett.97.162001
收录类别SCI
语种英语
WOS类目Physics, Multidisciplinary
WOS记录号WOS:000241405400012
引用统计
被引频次:140[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/311005/212724
专题实验物理中心
作者单位中国科学院高能物理研究所
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Belle Collaboration. Observation of new states decaying into Lambda K-c(-)pi(+) and Lambda K-+(c)S(0)pi(-)[J]. PHYSICAL REVIEW LETTERS,2006,97(16).
APA Belle Collaboration.(2006).Observation of new states decaying into Lambda K-c(-)pi(+) and Lambda K-+(c)S(0)pi(-).PHYSICAL REVIEW LETTERS,97(16).
MLA Belle Collaboration."Observation of new states decaying into Lambda K-c(-)pi(+) and Lambda K-+(c)S(0)pi(-)".PHYSICAL REVIEW LETTERS 97.16(2006).
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