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Strong decays of D(sJ)(2317) and D(sJ)(2460)

Oct, 2005
8 pages
Published in:
  • Phys.Rev.D 73 (2006) 034004
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Abstract: (arXiv)
With the identification of (DsJ(2317),DsJ(2460)D_{sJ}(2317), D_{sJ}(2460)) as the (0+0^+, 1+1^+) doublet in the heavy quark effective field theory, we derive the light cone QCD sum rule for the coupling of eta meson with DsJ(2317)DsD_{sJ}(2317) D_s and DsJ(2460)Ds∗D_{sJ}(2460) D_s^{*} . Through η−π0\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 DsJ(2317,2460)D_{sJ}(2317, 2460) strongly support their interpretation as ordinary csˉc \bar s mesons.
  • 13.25.Ft
  • 12.39.-x
  • 12.38.Lg
  • charm-strange mesons
  • light-cone QCD sum rule
  • charmed meson: hadronic decay
  • charmed meson: strange meson
  • D/s0*(2317)
  • D/sJ*(2460)
  • D/s*(2110)
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