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Observation of a narrow charmoniumlike state in exclusive B-+/--> K-+/-pi(+)pi(-)J/psi decays
Belle Collaboration
2003
Source PublicationPHYSICAL REVIEW LETTERS
Volume91Issue:26
Corresponding AuthorChoi, SK (reprint author), Gyeongsang Natl Univ, Chinju, South Korea.
AbstractWe report the observation of a narrow charmoniumlike state produced in the exclusive decay process B+/--->K(+/-)pi(+)pi(-)J/psi. This state, which decays into pi(+)pi(-)J/psi, has a mass of 3872.0+/-0.6(stat)+/-0.5(syst) MeV, a value that is very near the M-D(0)+M-D*0 mass threshold. The results are based on an analysis of 152M B-(B) over bar events collected at the Y(4S) resonance in the Belle detector at the KEKB collider. The signal has a statistical significance that is in excess of 10sigma.
KeywordMESON CHROMODYNAMICS SPECTROSCOPY ANNIHILATION
Subject AreaPhysics
DOI10.1103/PhysRevLett.91.262001
Indexed BySCI
Language英语
WOS SubjectPhysics, Multidisciplinary
WOS IDWOS:000187719300012
Citation statistics
Cited Times:1062[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.ihep.ac.cn/handle/311005/212337
Collection实验物理中心
Affiliation中国科学院高能物理研究所
Recommended Citation
GB/T 7714
Belle Collaboration. Observation of a narrow charmoniumlike state in exclusive B-+/--> K-+/-pi(+)pi(-)J/psi decays[J]. PHYSICAL REVIEW LETTERS,2003,91(26).
APA Belle Collaboration.(2003).Observation of a narrow charmoniumlike state in exclusive B-+/--> K-+/-pi(+)pi(-)J/psi decays.PHYSICAL REVIEW LETTERS,91(26).
MLA Belle Collaboration."Observation of a narrow charmoniumlike state in exclusive B-+/--> K-+/-pi(+)pi(-)J/psi decays".PHYSICAL REVIEW LETTERS 91.26(2003).
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