Regular Article - Theoretical Physics
Strong decays Bs0→Bsπ and Bs1→B* sπ with light-cone QCD sum rules
Department of Physics, North China Electric Power University, Baoding, 071003, P.R. China
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Published online: 27 June 2008
In this article, we calculate the strong coupling constants gBs0Bsη and gBs1B*sη with the light-cone QCD sum rules. Then we take into account the small η–π0 transition matrix according to Dashen’s theorem, and we obtain the small decay widths for the isospin violation processes Bs0→Bsη→Bsπ0 and Bs1→Bs *η→Bs *π0. We can search the strange-bottomed (0+,1+) mesons Bs0 and Bs1 in the invariant Bsπ0 and B* sπ0 mass distributions, respectively.
© Springer-Verlag , 2008