Exotic mesons with hidden bottom near thresholds

Details Exotic mesons with hidden bottom near thresholds Exotic mesons with hidden bottom near thresholds

2011-11-12

arxiv.org/abs/1111.2921v2

Physics

High Energy Physics

High Energy Physics - Phenomenology

23 pages, 1 figure

Scientific paper

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 = 0, 1, 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.

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