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26 April 2024 |
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Exotic mesons with hidden charm as diquark-antidiquark states | | V.V. Anisovich
; M.A. Matveev
; A.V. Sarantsev
; A.N. Semenova
; | | Date: |
26 Jul 2015 | | Abstract: | Exotic mesons with hidden strange ($sar s$) and heavy quark pairs ($Qar
Q$), where $Q=c,b$, are considered as diquark-antidiquark systems, $(Qs)(ar
Qar s)$. Taking into account that these states can recombinate into two-meson
ones, we study the interplay of these states in terms of the dispersion
relation D-function technique. The classification of exotic mesons is
discussed, coefficients for decay modes are given, predictions for new states
are presented. The nonet structure for $((Qq)(ar Q ar q)$, ($(Qs)(ar
Qar s$)), ($(Qq)(ar Qar s))$- states ($q=u,d$) is suggested. | | Source: | arXiv, 1507.7232 | | Services: | Forum | Review | PDF | Favorites | |
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