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题名: (B)over-bar(0), B- and (B)over-bar(S)(0) decays into J/psi and K (K)over-bar or pi eta
作者: Liang, WH;  Xie, JJ;  Oset, E
刊名: EUROPEAN PHYSICAL JOURNAL C
出版日期: 2015
卷号: 75, 期号:12, 页码:609
学科分类: Physics
DOI: http://dx.doi.org/10.1140/epjc/s10052-015-3827-5
通讯作者: Liang, WH (reprint author), Guangxi Normal Univ, Dept Phys, Guilin 541004, Peoples R China.
文章类型: Article
英文摘要: We study the (B) over bar (0)(S) -> J/psi K+ K-, (B) over bar (0) -> J/psi K+ K, B- -> J/psi K+ K-, (B) over bar (0) -> J/psi pi(0)eta(-), decays and compare their mass distributions with those obtained for the (B) over bar (0)(S) -> J/psi pi(+) pi(-) and (B) over bar (0)(S) -> J/psi pi(+)pi(-). The approach followed consist in a factorization of the weak part and the hadronization part into a factor which is common to all the processes. Then what makes the reactions different are some trivial CabibboKobayashi- Maskawa matrix elements and the weight by which the different pairs of mesons appear in a primary step plus their final state interaction. These elements are part of the theory and thus, up to a global normalization factor, all the invariant mass distributions are predicted with no free parameters. Comparison is made with the limited experimental information available. Further comparison of these results with coming LHCb measurements will be very valuable to make progress in our understanding of the meson- meson interaction and the nature of the low lying scalar meson resonances, f(0)(500), f(0)( 980) and a(0)(980).
类目[WOS]: Physics, Particles & Fields
关键词[WOS]: CHIRAL PERTURBATION-THEORY ;  SCALAR RESONANCES ;  PHASE-SHIFTS ;  WAVE ;  F(0)(980) ;  SCATTERING ;  F(0)(500)
收录类别: SCI
项目资助者: Chinese Academy of Science [2013T2J0012] ;  Spanish Ministerio de Economia y Competitividad ;  European FEDER funds [FIS2011-28853-C02-01, FIS2011-28853-C02-02, FIS2014-57026-REDT, FIS2014-51948-C2- 1-P, FIS2014-51948-C2-2-P] ;  Generalitat Valenciana [Prometeo II-2014/068] ;  National Natural Science Foundation of China [11165005, 11565007, 11475227] ;  State Key Laboratory of Theoretical Physics, Institute of Theoretical Physics, Chinese Academy of Sciences, China [Y5KF151CJ1] ;  European Community-Research Infrastructure Integrating Activity Study of Strongly Interacting Matter (acronym Hadron-Physics3) under the Seventh Framework Programme of EU [283286]
语种: 英语
Citation statistics: 
内容类型: 期刊论文
URI标识: http://ir.itp.ac.cn/handle/311006/20739
Appears in Collections:理论物理所2015年知识产出_期刊论文

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Recommended Citation:
Liang, WH,Xie, JJ,Oset, E. (B)over-bar(0), B- and (B)over-bar(S)(0) decays into J/psi and K (K)over-bar or pi eta[J]. EUROPEAN PHYSICAL JOURNAL C,2015,75(12):609.
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