Strong decays of $D_{sJ}(2317)$ and $D_{sJ}(2460)$

Details Strong decays of $D_{sJ}(2317)$ and $D_{sJ}(2460)$ Strong decays of $D_{sJ}(2317)$ and $D_{sJ}(2460)$

2005-10-04

arxiv.org/abs/hep-ph/0510039v1

Phys.Rev.D73:034004,2006

Physics

High Energy Physics

High Energy Physics - Phenomenology

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Scientific paper

10.1103/PhysRevD.73.034004

With the identification of ($D_{sJ}(2317), D_{sJ}(2460)$) as the ($0^+$, $1^+$) doublet in the heavy quark effective field theory, we derive the light cone QCD sum rule for the coupling of eta meson with $D_{sJ}(2317) D_s $ and $D_{sJ}(2460) D_s^{*} $. Through $\eta-\pi^0$ mixing we calculate their pionic decay widths, which are consistent with the experimental values (or upper limits). Combining the radiative decay widths derived by Colangelo, Fazio and Ozpineci in the same framework, we conclude that the decay patterns of $D_{sJ}(2317, 2460)$ strongly support their interpretation as ordinary $c \bar s$ mesons.

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