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题名: The low lying scalar resonances in the D-0 decays into K-s(0) and f(0)(500), f(0)(980), a(0)(980)
作者: Xie, JJ;  Dai, LR;  Oset, E
刊名: PHYSICS LETTERS B
出版日期: 2015
卷号: 742, 期号:0, 页码:363-369
学科分类: Astronomy & Astrophysics ;  Physics
DOI: http://dx.doi.org/10.1016/j.physletb.2015.02.006
通讯作者: Xie, JJ (reprint author), Chinese Acad Sci, Inst Modern Phys, Lanzhou 730000, Peoples R China.
文章类型: Article
英文摘要: The D-0 decay into K-s(0) and a scalar resonance, f(0)(500), f(0)(980), a(0)(980), are studied obtaining the scalar resonances from final state interaction of a pair of mesons produced in a first step in the D-0 decay into K-s(0) and the pair of pseudoscalar mesons. This weak decay is very appropriate for this kind of study because it allows to produce the three resonances in the same decay in a process that is Cabibbo-allowed, hence the rates obtained are large compared to those of (B) over bar (0) decays into J/psi and a scalar meson that have at least one Cabibbo-suppressedvertex. Concretely the a(0)(980) production is Cabibbo-allowedhere, while it cannot be seen in the (B) over bar (0)(s) decay into J/psi a(0)(980) and is doubly Cabibbo-suppressedin the (B) over bar (0) decay into J/psi a(0)(980) and has not been identified there. The fact that the three resonances can be seen in the same reaction, because there is no isospin conservation in the weak decays, offers a unique opportunity to test the ideas of the chiral unitary approach where these resonances are produced from the interaction of pairs of pseudoscalar mesons. (C) 2015 The Authors. Published by Elsevier B.V.
类目[WOS]: Astronomy & Astrophysics ;  Physics, Nuclear ;  Physics, Particles & Fields
关键词[WOS]: CHIRAL PERTURBATION-THEORY ;  PI-PI SCATTERING ;  PHASE-SHIFTS ;  SYMMETRY ;  MESONS ;  J/PSI
收录类别: SCI
项目资助者: Chinese Academy of Sciences (CAS) ;  Spanish Ministerio de Economia y Competitividad ;  European FEDER funds [FIS2011-28853-C02-01, FIS2011-28853-C02-02] ;  Generalitat Valenciana in the program Prometeo [2009/090] ;  European Community - Research Infrastructure Integrating Activity Study of Strongly Interacting Matter under the Seventh Framework Programme of EU [283286] ;  National Natural Science Foundation of China [11105126, 11475227, 11375080, 10975068] ;  Natural Science Foundation of Liaoning Scientific Committee [2013020091] ;  Scientific Research Foundation for the Returned Overseas Chinese Scholars, Ministry of Education of the People's Republic of China
语种: 英语
Citation statistics: 
内容类型: 期刊论文
URI标识: http://ir.itp.ac.cn/handle/311006/21065
Appears in Collections:理论物理所2015年知识产出_期刊论文

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Recommended Citation:
Xie, JJ,Dai, LR,Oset, E. The low lying scalar resonances in the D-0 decays into K-s(0) and f(0)(500), f(0)(980), a(0)(980)[J]. PHYSICS LETTERS B,2015,742(0):363-369.
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