Search for doubly charmed baryons and study of charmed strange baryons at Belle
Belle Collaboration
刊名PHYSICAL REVIEW D
2014
卷号89期号:5
关键词RELATIVISTIC QUARK-MODEL 2 HEAVY QUARKS SPECTROSCOPY DETECTOR MASSES DECAY
学科分类Astronomy & Astrophysics; Physics
DOI10.1103/PhysRevD.89.052003
通讯作者Kato, Y (reprint author), Nagoya Univ, Grad Sch Sci, Nagoya, Aichi 4648602, Japan.
英文摘要We report results of a study of doubly charmed baryons and charmed strange baryons. The analysis is performed using a 980 fb(-1) data sample collected with the Belle detector at the KEKB asymmetric-energy e(+)e(-) collider. We search for doubly charmed baryons Xi(+(+))(cc) with the Lambda(+)(c) K- pi(+)(pi(+) ) and. Xi(0)(c) pi(+)(pi(+)) final states. No significant signal is observed. We also search for two excited charmed strange baryons, Xi(c)(3055)(+) and Xi(c)(3123)(+) with the Sigma(++)(c)(2455)K- and Sigma(++)(c)(2520)K- final states. The Xi(c)(3055)(+) signal is observed with a significance of 6.6 standard deviations including systematic uncertainty, while no signature of the Xi(c)(3123)(+) is seen. We also study properties of the Xi(c)(2645)(+) and measure a width of 2.6 +/- 0.2(stat) +/- 0.4(syst) MeV/c(2), which is the first significant determination.
类目[WOS]Astronomy & Astrophysics ; Physics, Particles & Fields
收录类别SCI
语种英语
WOS记录号WOS:000334302700001
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被引频次:35[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/311005/213688
专题中国科学院高能物理研究所_实验物理中心_期刊论文
作者单位中国科学院高能物理研究所
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Belle Collaboration. Search for doubly charmed baryons and study of charmed strange baryons at Belle[J]. PHYSICAL REVIEW D,2014,89(5).
APA Belle Collaboration.(2014).Search for doubly charmed baryons and study of charmed strange baryons at Belle.PHYSICAL REVIEW D,89(5).
MLA Belle Collaboration."Search for doubly charmed baryons and study of charmed strange baryons at Belle".PHYSICAL REVIEW D 89.5(2014).
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