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Updated cross section measurement of e(+)e(-)-> K(+)K(-)J/Psi and K(s)(0)K(s)(0)J/Psi via initial state radiation at Belle
Belle Collaboration
2014
发表期刊PHYSICAL REVIEW D
卷号89期号:7
通讯作者Shen, CP (reprint author), Univ Basque Country, UPV EHU, Bilbao 48080, Spain.
摘要The cross sections of the processes e(+)e(-)-> K(+)K(-)J/Psi and K(s)(0)K(s)(0)J/Psi are measured via initial state radiation at center-of-mass energies between the threshold and 6.0 GeV using a data sample of 980 fb(-1) collected with the Belle detector on or near the r(nS) resonances, where n=1,2,..5. The cross sections for e(+)e(-)-> K(+)K(-)J/Psi are at a few pb level and the average cross section for K(s)(0)K(s)(0)J/Psi is 1.8 +/- 0.6 (stat)+/- 0.3(syst) pb between 4.4 and 5.2 GeV. All of them are consistent with previously published results with improved precision. A search for resonant structures and associated intermediate states in the cross section of the process e(+)e(-)-> K(+)K(-)J/Psi is performed.
关键词MOLECULAR-STATE IDENTIFICATION ANNIHILATION Z(C)(3900) KEKB
学科领域Astronomy & Astrophysics; Physics
DOI10.1103/PhysRevD.89.072015
收录类别SCI
语种英语
WOS类目Astronomy & Astrophysics ; Physics, Particles & Fields
WOS记录号WOS:000335322000002
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被引频次:17[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/311005/213701
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. Updated cross section measurement of e(+)e(-)-> K(+)K(-)J/Psi and K(s)(0)K(s)(0)J/Psi via initial state radiation at Belle[J]. PHYSICAL REVIEW D,2014,89(7).
APA Belle Collaboration.(2014).Updated cross section measurement of e(+)e(-)-> K(+)K(-)J/Psi and K(s)(0)K(s)(0)J/Psi via initial state radiation at Belle.PHYSICAL REVIEW D,89(7).
MLA Belle Collaboration."Updated cross section measurement of e(+)e(-)-> K(+)K(-)J/Psi and K(s)(0)K(s)(0)J/Psi via initial state radiation at Belle".PHYSICAL REVIEW D 89.7(2014).
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