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Observation of a charmed baryon decaying to D(0)p at a mass near 2.94 GeV/c(2)
BaBar Collaboration
2007
发表期刊PHYSICAL REVIEW LETTERS
卷号98期号:1
通讯作者Aubert, B (reprint author), Phys Particules Lab, F-74941 Annecy Le Vieux, France.
摘要A search for charmed baryons decaying to D(0)p reveals two states: the Lambda(c)(2880)(+) baryon and a previously unobserved state at a mass of [2939.8 +/- 1.3(stat)+/- 1.0(syst)] MeV/c(2) and with an intrinsic width of [17.5 +/- 5.2(stat)+/- 5.9(syst)] MeV. Consistent and significant signals are observed for the K-pi(+) and K-pi(+)pi(-)pi(+) decay modes of the D-0 in 287 fb(-1) annihilation data recorded by the BABAR detector at a center-of-mass energy of 10.58 GeV. There is no evidence in the D(+)p spectrum of doubly charged partners. The mass and intrinsic width of the Lambda(c)(2880)(+) baryon and relative yield of the two baryons are also measured.
关键词QUARK-MODEL
学科领域Physics
DOI10.1103/PhysRevLett.98.012001
收录类别SCI
语种英语
WOS类目Physics, Multidisciplinary
WOS记录号WOS:000243379700012
引用统计
被引频次:91[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/311005/212773
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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BaBar Collaboration. Observation of a charmed baryon decaying to D(0)p at a mass near 2.94 GeV/c(2)[J]. PHYSICAL REVIEW LETTERS,2007,98(1).
APA BaBar Collaboration.(2007).Observation of a charmed baryon decaying to D(0)p at a mass near 2.94 GeV/c(2).PHYSICAL REVIEW LETTERS,98(1).
MLA BaBar Collaboration."Observation of a charmed baryon decaying to D(0)p at a mass near 2.94 GeV/c(2)".PHYSICAL REVIEW LETTERS 98.1(2007).
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