Reanalysis of the (0^+,1^+) states B_{s0} and B_{s1} with QCD sum rules

Details Reanalysis of the (0^+,1^+) states B_{s0} and B_{s1} with QCD sum rules Reanalysis of the (0^+,1^+) states B_{s0} and B_{s1} with QCD sum rules

2007-12-02

arxiv.org/abs/0712.0118v4

Chin.Phys.Lett.25:3908-3911,2008

Physics

High Energy Physics

High Energy Physics - Phenomenology

9 pages, 5 figures, 4-version

Scientific paper

10.1088/0256-307X/25/11/020

In this article, we calculate the masses and decay constants of the $P$-wave strange-bottomed mesons $B_{s0}$ and $B_{s1}$ with the QCD sum rules, and observe that the central values of the masses of the $B_{s0}$ and $B_{s1}$ are smaller than the corresponding $BK$ and $B^*K$ thresholds respectively, the strong decays $B_{s0}\to BK$ and $B_{s1}\to B^*K$ are kinematically forbidden. They can decay through the isospin violation precesses $B_{s0}\to B_s\eta\to B_s\pi^0$ and $B_{s1}\to B_s^*\eta\to B_s^*\pi^0$. The bottomed mesons $B_{s0}$ and $B_{s1}$, just like their charmed cousins $D_{s0}(2317)$ and $D_{s1}(2460)$, maybe very narrow.

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