| Study of the B_c→B_sπ decay with the perturbative QCD approach |
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| 基金项目： | supported by the National Natural Science Foundation of China(Grant Nos.11147008,U1232101 and 11275057) |
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| 摘 要： | The Bc→Bsπ decay is studied with the perturbative QCD approach. Three types of wave functions for Bsmeson are considered.The transition form factor FBc→Bs0(0) and the branching ratio Br(Bc→Bsπ)aresensitivetothemodelofthe Bsmeson wave functions.With appropriate inputs, our estimate on Br(Bc→Bsπ) is comparable with the recent LHCb measurement. A clear signal of Bc→Bsπ decay should be easily observed at the Large Hadron Collider.
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