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Albaladejo, M; Fernandez-Soler, P; Guo, FK; Nieves, J; Guo, FK (reprint author), Chinese Acad Sci, Inst Theoret Phys, Key Lab Theoret Phys, Beijing 100190, Peoples R China.; Guo, FK (reprint author), Univ Chinese Acad Sci, Sch Phys Sci, Beijing 100049, Peoples R China.
Two-pole structure of the D-0*(2400)
Source PublicationPHYSICS LETTERS B
Language英语
AbstractThe so far only known charmed non-strange scalar meson is dubbed as D-0(*)(2400) in the Review of Particle Physics. We show, within the framework of unitarized chiral perturbation theory, that there are in fact two (I = 1/2, J(P) = 0(+)) poles in the region of the D-0(*)( 2400) in the coupled-channel D pi, D eta and D-s (K) over bar scattering amplitudes. With all the parameters previously fixed, we predict the energy levels for the coupled-channel system in a finite volume, and find that they agree remarkably well with recent lattice QCD calculations. This successful description of the lattice data is regarded as a strong evidence for the two-pole structure of the D-0(*)( 2400). With the physical quark masses, the poles are located at (2105(-8)(+6) - i102(-12)(+10)) MeV and (2451(-26)(+36) - i134(-8)(+7)) MeV, with the largest couplings to the D pi and D-s (K) over bar channels, respectively. Since the higher pole is close to the D-s (K) over bar threshold, we expect it to show up as a threshold enhancement in the D-s (K) over bar invariant mass distribution. This could be checked by high-statistic data in future experiments. We also show that the lower pole belongs to the same SU(3) multiplet as the D-s0(*)(2317) state. Predictions for partners in the bottom sector are also given. (C) 2017 Published by Elsevier B.V.
2017
Volume767Pages:465-469
Subject AreaAstronomy & Astrophysics ; Physics
DOIhttp://dx.doi.org/10.1016/j.physletb.2017.02.036
Funding OrganizationSpanish MINECO [27-13-463B-731, BES-2015-072049] ; Spanish MINECO [27-13-463B-731, BES-2015-072049] ; Spanish MINECO [27-13-463B-731, BES-2015-072049] ; Spanish MINECO [27-13-463B-731, BES-2015-072049] ; ESF ; ESF ; ESF ; ESF ; European FEDER [FIS2014-51948-C2-1-P, FIS2014-57026-REDT, SEV-2014-0398] ; European FEDER [FIS2014-51948-C2-1-P, FIS2014-57026-REDT, SEV-2014-0398] ; European FEDER [FIS2014-51948-C2-1-P, FIS2014-57026-REDT, SEV-2014-0398] ; European FEDER [FIS2014-51948-C2-1-P, FIS2014-57026-REDT, SEV-2014-0398] ; Generalitat Valenciana [PROMETEOII/2014/0068] ; Generalitat Valenciana [PROMETEOII/2014/0068] ; Generalitat Valenciana [PROMETEOII/2014/0068] ; Generalitat Valenciana [PROMETEOII/2014/0068] ; DFG ; DFG ; DFG ; DFG ; NSFC [11621131001, 11647601] ; NSFC [11621131001, 11647601] ; NSFC [11621131001, 11647601] ; NSFC [11621131001, 11647601] ; DFG [TRR110] ; DFG [TRR110] ; DFG [TRR110] ; DFG [TRR110] ; CAS Key Research Program of Frontier Sciences [QYZDB-SSW-SYS013] ; CAS Key Research Program of Frontier Sciences [QYZDB-SSW-SYS013] ; CAS Key Research Program of Frontier Sciences [QYZDB-SSW-SYS013] ; CAS Key Research Program of Frontier Sciences [QYZDB-SSW-SYS013] ; Thousand Talents Plan for Young Professionals ; Thousand Talents Plan for Young Professionals ; Thousand Talents Plan for Young Professionals ; Thousand Talents Plan for Young Professionals
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Document Type期刊论文
Identifierhttp://ir.itp.ac.cn/handle/311006/22084
CollectionSCI期刊论文
Corresponding AuthorGuo, FK (reprint author), Chinese Acad Sci, Inst Theoret Phys, Key Lab Theoret Phys, Beijing 100190, Peoples R China.; Guo, FK (reprint author), Univ Chinese Acad Sci, Sch Phys Sci, Beijing 100049, Peoples R China.
Recommended Citation
GB/T 7714
Albaladejo, M,Fernandez-Soler, P,Guo, FK,et al. Two-pole structure of the D-0*(2400)[J]. PHYSICS LETTERS B,2017,767:465-469.
APA Albaladejo, M,Fernandez-Soler, P,Guo, FK,Nieves, J,Guo, FK ,&Guo, FK .(2017).Two-pole structure of the D-0*(2400).PHYSICS LETTERS B,767,465-469.
MLA Albaladejo, M,et al."Two-pole structure of the D-0*(2400)".PHYSICS LETTERS B 767(2017):465-469.
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