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Abstract: The large data sample being recorded with the Belle detector at the Y5Senergy provides a unique opportunity to study the poorly-known Bs0 meson. Threeanalyses, using a sample of 23.6 -fb, are presented. We report the firstobservation of the three dominant exclusive Bs0 decays, Bs0 -> Ds*- pi+, Bs0 ->Ds- rho+ and Bs0 -> Ds*- rho+, the first observation of the CP-eigenstate decayBs0 -> J-psi eta, and the results from a study of the charmless Bs0 -> K+K-,Bs0 -> K+pi-, Bs0 -> pi+pi- and Bs0 -> K0 K0bar decays.



Autor: R. Louvot, for the Belle collaboration

Fuente: https://arxiv.org/







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