Journal
PHYSICS LETTERS B
Volume 570, Issue 3-4, Pages 180-184Publisher
ELSEVIER SCIENCE BV
DOI: 10.1016/j.physletb.2003.08.003
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We analyze the hadronic and radiative decay modes of the recently observed D-sJ (2317) meson, in the hypothesig that it can be identified with the scalar s(l)(P) = 1/2(+) state of c (s) over bar spectrum (D-s0). The method is based on heavy quark symmetries and vector meson dominance ansatz. We find that the hadronic isospin violating mode D(s)0 --> D(s)pi(0) is enhanced with respect to the radiative mode Ds(0) --> D(s)(*)gamma. The estimated width of the meson is Gamma(D-s0) similar or equal to 7 keV. (C) 2003 Published by Elsevier B.V.
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