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B_c DECAYS TO HEAVY-LIGHT ORBITALLY EXCITED MESONS

ZHI-HUI WANG

Department of Physics, Harbin Institute of Technology, Harbin, 150001, China

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GUO-LI WANG

Department of Physics, Harbin Institute of Technology, Harbin, 150001, China

PITT PACC, Department of Physics & Astronomy, University of Pittsburgh, PA 15260, USA

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HUI-FENG FU

Department of Physics, Harbin Institute of Technology, Harbin, 150001, China

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, and

YUE JIANG

Department of Physics, Harbin Institute of Technology, Harbin, 150001, China

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https://doi.org/10.1142/S0217751X12500492Cited by:7 (Source: Crossref)

Abstract

We calculate the exclusive semileptonic and nonleptonic decays of B_c meson to heavy-light orbitally excited states in the framework of the improved Bethe–Salpeter method. The hadronic matrix elements are calculated and expressed as overlap integrals of the relativistic Salpeter wave functions of corresponding mesons, decay rates of the semileptonic and nonleptonic B_c decays to , and are obtained. Some channels provide us sizable ratios, for examples, and , with such ratios, the missing scalar B_s0 may be detected though its cascade strong decays in the forthcoming LHC experiment.

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