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Du, Meng-Lin; Albaladejo, M2; Fernandez-Soler, P; Guo, Feng-Kun; Hanhart, C; Meissner, UG; Nieves, J; Yao, DL
Towards a new paradigm for heavy-light meson spectroscopy
Source PublicationPHYSICAL REVIEW D
AbstractSince 2003 many new hadrons, including the lowest-lying positive-parity charm-strange mesons D*(s0) (2317) and D-s1 (2460), have been observed that do not conform with quark-model expectations. It was recently demonstrated that various puzzles in the charm-meson spectrum find a natural resolution if the SU(3) multiplets for the lightest scalar and axial-vector states, among them the D*(s0) (2317) and the D-s1 (2460), owe their existence to the nonperturbative dynamics of Goldstone-boson scattering off D-(s) and D*((s)) mesons. Most importantly the ordering of the lightest strange and nonstrange scalars becomes natural. We demonstrate for the first time that this mechanism is strongly supported by the recent high quality data on the B- -> D+ pi(-)pi(-) provided by the LHCb experiment. This implies that the lowest quark-model positive-parity charm mesons, together with their bottom counterparts, if realized in nature, do not form the ground-state multiplet. This is similar to the pattern that has been established for the scalar mesons made from light up, down, and strange quarks, where the lowest multiplet is considered to be made of states not described by the quark model. In a broader view, the hadron spectrum must be viewed as more than a collection of quark-model states.
Subject AreaAstronomy & Astrophysics ; Physics
MOST Discipline CatalogueAstronomy & Astrophysics ; Physics, Particles & Fields
Indexed BySCIE
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Cited Times:13[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Affiliation1.[Du, Meng-Lin; Meissner, Ulf-G.] Univ Bonn, Helmholtz Inst Strahlen & Kernphys, D-53115 Bonn, Germany
2.Du, Meng-Lin; Meissner, Ulf-G.] Univ Bonn, Bethe Ctr Theoret Phys, D-53115 Bonn, Germany
3.Univ Murcia, Dept Fis, E-30071 Murcia, Spain
4.Univ Valencia, Ctr Mixto CSIC, Inst Fis Corpuscular IFIC, Inst Invest Paterna, Apartado 22085, E-46071 Valencia, Spain
5.Chinese Acad Sci, Inst Theoret Phys, CAS Key Lab Theoret Phys, Beijing 100190, Peoples R China
6.Univ Chinese Acad Sci, Sch Phys Sci, Beijing 100049, Peoples R China
7.Hanhart, Christoph; Meissner, Ulf-G.] Forschungszentrum Julich, Inst Kernphys, Inst Adv Simulat, D-52425 Julich, Germany
8.Hanhart, Christoph; Meissner, Ulf-G.] Forschungszentrum Julich, Julich Ctr Hadron Phys, D-52425 Julich, Germany
Recommended Citation
GB/T 7714
Du, Meng-Lin,Albaladejo, M,Fernandez-Soler, P,et al. Towards a new paradigm for heavy-light meson spectroscopy[J]. PHYSICAL REVIEW D,2018,98(9):94018.
APA Du, Meng-Lin.,Albaladejo, M.,Fernandez-Soler, P.,Guo, Feng-Kun.,Hanhart, C.,...&Yao, DL.(2018).Towards a new paradigm for heavy-light meson spectroscopy.PHYSICAL REVIEW D,98(9),94018.
MLA Du, Meng-Lin,et al."Towards a new paradigm for heavy-light meson spectroscopy".PHYSICAL REVIEW D 98.9(2018):94018.
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