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Exotic mesons with hidden bottom near thresholds | Shunsuke Ohkoda
; Yasuhiro Yamaguchi
; Shigehiro Yasui
; Kazutaka Sudoh
; Atsushi Hosaka
; | Date: |
12 Nov 2011 | Abstract: | We study heavy hadron spectroscopy near open bottom thresholds. We employ B
and B* mesons as effective degrees of freedom near the thresholds, and consider
meson exchange potentials between them. All possible composite states which can
be constructed from the B and B* mesons are studied up to the total angular
momentum J leq 2. We consider, as exotic states, isosinglet states with exotic
(J,PC) quantum numbers and isotriplet states. We solve numerically the
Schrodinger equation with channel-couplings for each state. The masses of twin
resonances Zb(10608) and Zb(10653) recently found by Belle are reproduced. We
predict several possible bound and/or resonant states in other channels for
future experiments. | Source: | arXiv, 1111.2921 | Services: | Forum | Review | PDF | Favorites |
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