Strong decays $B_{s0} \to B_s π$ and $B_{s1} \to B^*_s π$ with light-cone QCD sum rules

Details Strong decays $B_{s0} \to B_s π$ and $B_{s1} \to B^*_s π$ with light-cone QCD sum rules Strong decays $B_{s0} \to B_s π$ and $B_{s1} \to B^*_s π$ with light-cone QCD sum rules

2008-01-13

arxiv.org/abs/0801.1932v4

Eur.Phys.J.C56:181-187,2008

Physics

High Energy Physics

High Energy Physics - Phenomenology

15 pages, 2 figures, revised version

Scientific paper

10.1140/epjc/s10052-008-0646-y

In this article, we calculate the strong coupling constants $g_{B_{s0} B_s \eta}$ and $g_{B_{s1} B^*_s \eta}$ with the light-cone QCD sum rules. Then we take into account the small $\eta-\pi^0$ transition matrix according to Dashen's theorem, and obtain the small decay widths for the isospin violation processes $B_{s0}\to B_s\eta\to B_s\pi^0$ and $B_{s1}\to B_s^*\eta\to B_s^*\pi^0$. We can search the strange-bottomed $(0^+,1^+)$ mesons $B_{s0}$ and $B_{s1}$ in the invariant $B_s \pi^0$ and $B^*_s \pi^0$ mass distributions respectively.

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