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Decay widths of the spin-2 partners of the X(3872)
Albaladejo, M; Guo, FK; Hidalgo-Duque, C; Nieves, J; Valderrama, MP; Albaladejo, M (reprint author), Univ Valencia, Inst Invest Paterna, Ctr Mixto CSIC, Inst Fis Corpuscular IFIC, Aptd 22085, Valencia 46071, Spain.
2015
发表期刊EUROPEAN PHYSICAL JOURNAL C
卷号75期号:11页码:547
文章类型Article
摘要We consider the X(3872) resonance as a J(PC) = 1(++) D (D) over bar* hadronic molecule. According to heavy quark spin symmetry, there will exist a partner with quantum numbers 2(++), X-2, which would be a D*(D) over bar* loosely bound state. The X-2 is expected to decay dominantly into D (D) over bar, D (D) over bar* and (D) over barD* in d-wave. In this work, we calculate the decay widths of the X-2 resonance into the above channels, as well as those of its bottom partner, X-b2, the mass of which comes from assuming heavy flavor symmetry for the contact terms. We find partial widths of the X-2 and X-b2 of the order of a few MeV. Finally, we also study the radiative X-2 -> D (D) over bar*gamma. and X-b2 -> (B) over bar B*gamma decays. These decay modes are more sensitive to the long-distance structure of the resonances and to the D (D) over bar* or B (B) over bar* final state interaction.
学科领域Physics
资助者JAE-CSIC Program ; JAE-CSIC Program ; JAE-CSIC Program ; JAE-CSIC Program ; Spanish Government through the Ministerio de Economia y Competitividad [27-13-463B-731] ; Spanish Government through the Ministerio de Economia y Competitividad [27-13-463B-731] ; Spanish Government through the Ministerio de Economia y Competitividad [27-13-463B-731] ; Spanish Government through the Ministerio de Economia y Competitividad [27-13-463B-731] ; DFG ; DFG ; DFG ; DFG ; NSFC (NSFC) [11261130311] ; NSFC (NSFC) [11261130311] ; NSFC (NSFC) [11261130311] ; NSFC (NSFC) [11261130311] ; NSFC [11165005] ; NSFC [11165005] ; NSFC [11165005] ; NSFC [11165005] ; Spanish Ministerio de Economia y Competitividad ; Spanish Ministerio de Economia y Competitividad ; Spanish Ministerio de Economia y Competitividad ; Spanish Ministerio de Economia y Competitividad ; European FEDER funds [FIS2011-28853-C02-02] ; European FEDER funds [FIS2011-28853-C02-02] ; European FEDER funds [FIS2011-28853-C02-02] ; European FEDER funds [FIS2011-28853-C02-02] ; Spanish Consolider-Ingenio Programme CPAN [CSD2007-00042] ; Spanish Consolider-Ingenio Programme CPAN [CSD2007-00042] ; Spanish Consolider-Ingenio Programme CPAN [CSD2007-00042] ; Spanish Consolider-Ingenio Programme CPAN [CSD2007-00042] ; Generalitat Valenciana [PROMETEOII/2014/0068] ; Generalitat Valenciana [PROMETEOII/2014/0068] ; Generalitat Valenciana [PROMETEOII/2014/0068] ; Generalitat Valenciana [PROMETEOII/2014/0068] ; EU [283286] ; EU [283286] ; EU [283286] ; EU [283286] ; JAE-CSIC Program ; JAE-CSIC Program ; JAE-CSIC Program ; JAE-CSIC Program ; Spanish Government through the Ministerio de Economia y Competitividad [27-13-463B-731] ; Spanish Government through the Ministerio de Economia y Competitividad [27-13-463B-731] ; Spanish Government through the Ministerio de Economia y Competitividad [27-13-463B-731] ; Spanish Government through the Ministerio de Economia y Competitividad [27-13-463B-731] ; DFG ; DFG ; DFG ; DFG ; NSFC (NSFC) [11261130311] ; NSFC (NSFC) [11261130311] ; NSFC (NSFC) [11261130311] ; NSFC (NSFC) [11261130311] ; NSFC [11165005] ; NSFC [11165005] ; NSFC [11165005] ; NSFC [11165005] ; Spanish Ministerio de Economia y Competitividad ; Spanish Ministerio de Economia y Competitividad ; Spanish Ministerio de Economia y Competitividad ; Spanish Ministerio de Economia y Competitividad ; European FEDER funds [FIS2011-28853-C02-02] ; European FEDER funds [FIS2011-28853-C02-02] ; European FEDER funds [FIS2011-28853-C02-02] ; European FEDER funds [FIS2011-28853-C02-02] ; Spanish Consolider-Ingenio Programme CPAN [CSD2007-00042] ; Spanish Consolider-Ingenio Programme CPAN [CSD2007-00042] ; Spanish Consolider-Ingenio Programme CPAN [CSD2007-00042] ; Spanish Consolider-Ingenio Programme CPAN [CSD2007-00042] ; Generalitat Valenciana [PROMETEOII/2014/0068] ; Generalitat Valenciana [PROMETEOII/2014/0068] ; Generalitat Valenciana [PROMETEOII/2014/0068] ; Generalitat Valenciana [PROMETEOII/2014/0068] ; EU [283286] ; EU [283286] ; EU [283286] ; EU [283286]
DOIhttp://dx.doi.org/10.1140/epjc/s10052-015-3753-6
关键词[WOS]QCD SUM-RULES ; HEAVY-QUARK ; MOLECULES ; STATES ; CHARMONIUM ; LATTICE ; MODEL
收录类别SCI
语种英语
资助者JAE-CSIC Program ; JAE-CSIC Program ; JAE-CSIC Program ; JAE-CSIC Program ; Spanish Government through the Ministerio de Economia y Competitividad [27-13-463B-731] ; Spanish Government through the Ministerio de Economia y Competitividad [27-13-463B-731] ; Spanish Government through the Ministerio de Economia y Competitividad [27-13-463B-731] ; Spanish Government through the Ministerio de Economia y Competitividad [27-13-463B-731] ; DFG ; DFG ; DFG ; DFG ; NSFC (NSFC) [11261130311] ; NSFC (NSFC) [11261130311] ; NSFC (NSFC) [11261130311] ; NSFC (NSFC) [11261130311] ; NSFC [11165005] ; NSFC [11165005] ; NSFC [11165005] ; NSFC [11165005] ; Spanish Ministerio de Economia y Competitividad ; Spanish Ministerio de Economia y Competitividad ; Spanish Ministerio de Economia y Competitividad ; Spanish Ministerio de Economia y Competitividad ; European FEDER funds [FIS2011-28853-C02-02] ; European FEDER funds [FIS2011-28853-C02-02] ; European FEDER funds [FIS2011-28853-C02-02] ; European FEDER funds [FIS2011-28853-C02-02] ; Spanish Consolider-Ingenio Programme CPAN [CSD2007-00042] ; Spanish Consolider-Ingenio Programme CPAN [CSD2007-00042] ; Spanish Consolider-Ingenio Programme CPAN [CSD2007-00042] ; Spanish Consolider-Ingenio Programme CPAN [CSD2007-00042] ; Generalitat Valenciana [PROMETEOII/2014/0068] ; Generalitat Valenciana [PROMETEOII/2014/0068] ; Generalitat Valenciana [PROMETEOII/2014/0068] ; Generalitat Valenciana [PROMETEOII/2014/0068] ; EU [283286] ; EU [283286] ; EU [283286] ; EU [283286] ; JAE-CSIC Program ; JAE-CSIC Program ; JAE-CSIC Program ; JAE-CSIC Program ; Spanish Government through the Ministerio de Economia y Competitividad [27-13-463B-731] ; Spanish Government through the Ministerio de Economia y Competitividad [27-13-463B-731] ; Spanish Government through the Ministerio de Economia y Competitividad [27-13-463B-731] ; Spanish Government through the Ministerio de Economia y Competitividad [27-13-463B-731] ; DFG ; DFG ; DFG ; DFG ; NSFC (NSFC) [11261130311] ; NSFC (NSFC) [11261130311] ; NSFC (NSFC) [11261130311] ; NSFC (NSFC) [11261130311] ; NSFC [11165005] ; NSFC [11165005] ; NSFC [11165005] ; NSFC [11165005] ; Spanish Ministerio de Economia y Competitividad ; Spanish Ministerio de Economia y Competitividad ; Spanish Ministerio de Economia y Competitividad ; Spanish Ministerio de Economia y Competitividad ; European FEDER funds [FIS2011-28853-C02-02] ; European FEDER funds [FIS2011-28853-C02-02] ; European FEDER funds [FIS2011-28853-C02-02] ; European FEDER funds [FIS2011-28853-C02-02] ; Spanish Consolider-Ingenio Programme CPAN [CSD2007-00042] ; Spanish Consolider-Ingenio Programme CPAN [CSD2007-00042] ; Spanish Consolider-Ingenio Programme CPAN [CSD2007-00042] ; Spanish Consolider-Ingenio Programme CPAN [CSD2007-00042] ; Generalitat Valenciana [PROMETEOII/2014/0068] ; Generalitat Valenciana [PROMETEOII/2014/0068] ; Generalitat Valenciana [PROMETEOII/2014/0068] ; Generalitat Valenciana [PROMETEOII/2014/0068] ; EU [283286] ; EU [283286] ; EU [283286] ; EU [283286]
WOS类目Physics, Particles & Fields
引用统计
文献类型期刊论文
条目标识符http://ir.itp.ac.cn/handle/311006/20785
专题理论物理所SCI论文
通讯作者Albaladejo, M (reprint author), Univ Valencia, Inst Invest Paterna, Ctr Mixto CSIC, Inst Fis Corpuscular IFIC, Aptd 22085, Valencia 46071, Spain.
推荐引用方式
GB/T 7714
Albaladejo, M,Guo, FK,Hidalgo-Duque, C,et al. Decay widths of the spin-2 partners of the X(3872)[J]. EUROPEAN PHYSICAL JOURNAL C,2015,75(11):547.
APA Albaladejo, M,Guo, FK,Hidalgo-Duque, C,Nieves, J,Valderrama, MP,&Albaladejo, M .(2015).Decay widths of the spin-2 partners of the X(3872).EUROPEAN PHYSICAL JOURNAL C,75(11),547.
MLA Albaladejo, M,et al."Decay widths of the spin-2 partners of the X(3872)".EUROPEAN PHYSICAL JOURNAL C 75.11(2015):547.
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