期刊
INTERNATIONAL JOURNAL OF MODERN PHYSICS A
卷 30, 期 32, 页码 -出版社
WORLD SCIENTIFIC PUBL CO PTE LTD
DOI: 10.1142/S0217751X15501869
关键词
Quark model; diquark; exotic states
资金
- [RSCF-14-22-00281]
Exotic mesons with hidden strange (s (s) over bar) and heavy quark pairs (Q (Q) over bar), where Q = c, b, are considered as diquark-antidiquark systems, (Qs) . ((Q) over bar(s) over bar). 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) . ((Q) over bar(q) over bar), (Qs) . ((Q) over bar(s) over bar), (Qq) . ((Q) over bar(s) over bar)-states (q = u, d) is suggested.
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