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Reanalysis of the (0^+,1^+) states B_{s0}^* and B_{s1} with QCD sum rules | | Zhi-Gang Wang
; | | Date: |
2 Dec 2007 | | Abstract: | In this article, we calculate the masses and decay constants of the $P$-wave
bottom-strange mesons $B_{s0}^*$ and $B_{s1}$ with the QCD sum rules. The
central values of masses of the $B_{s0}^*$ and $B_{s1}$ are smaller than the
corresponding $BK$ and $B^*K$ thresholds respectively. The decays $B^*_{s0} o
BK$ and $B_{s1} o B^*K$ are kinematically forbidden, the $B_{s0}^*$ and
$B_{s1}$ can decay through the isospin violation precesses $B^*_{s0} o
B_seta o B_spi^0$ and $B_{s1} o B_s^*eta o B_s^*pi^0$, respectively. The
bottom mesons $B_{s0}^*$ and $B_{s1}$, just like their charmed cousins
$D_{s0}(2317)$ and $D_{s1}(2460)$, maybe very narrow. | | Source: | arXiv, 0712.0118 | | Services: | Forum | Review | PDF | Favorites | |
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