Radiative decays of the $(0^{+},1^{+})$ strange-bottom mesons

Abstract

In this article, we assume that the $(0^{+},1^{+})$ strange-bottom mesons are the conventional $b\bar{s}$ mesons, and calculate the electromagnetic coupling constants $d$, $g_1$, $g_2$ and $g_3$ using the light-cone QCD sum rules. Then we study the radiative decays $B_{s0}\to B_s^{\ast }\gamma$, $B_{s1}\to B_s\gamma$, $B_{s1}\to B_s^{\ast }\gamma$ and $B_{s1}\to B_{s0}\gamma$, and observe that the widths are rather narrow. We can search for the $(0^{+},1^{+})$ strange-bottom mesons in the invariant $B_s{\pi }^0$ and $B_s^{\ast }{\pi }^0$ mass distributions in the strong decays or in the invariant $B_s^{\ast }\gamma$ and $B_s\gamma$ mass distributions in the radiative decays.

arXiv comment16 pages, 4 figures, revised version

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Cited by in corpus (5)

• Analysis of the masses and decay constants of the heavy-light mesons with QCD sum rules
• Strong and radiative decays of the $D_{s0}^{\ast }(2317)$ and $D_{s1}(2460)$
• Improved Light-cone QCD Sum Rule Analysis Of The Rare Decays ${\Lambda }_b\to \Lambda \gamma$ And ${\Lambda }_b\to \Lambda l^{+}{l}^{-}$
• Masses and radiative decay widths of the $D_{s0}^{\ast }(2317)$ and $D_{s1}^{\prime }(2460)$ and their bottom analogs
• $B_{s1}(5778)$ as a $B^{\ast }\bar{K}$ molecule in the Bethe-Salpeter equation approach