Semileptonic D decay into scalar mesons: a QCD sum rule approach

Details Semileptonic D decay into scalar mesons: a QCD sum rule approach Semileptonic D decay into scalar mesons: a QCD sum rule approach

2002-03-23

arxiv.org/abs/hep-ph/0203225v2

Phys.Rev.D65:114002,2002

Physics

High Energy Physics

High Energy Physics - Phenomenology

18 pages, 9 figures, e-mail: H.G.Dosch@thphys.uni-heidelberg.de

Scientific paper

10.1103/PhysRevD.65.114002

Semileptonic decays of D-mesons into scalar hadronic states are investigated.
Two extreme cases are considered: a) the meson decays directly into an
uncorrelated scalar state of two two mesons and b) the decay proceeds via
resonance formation. QCD sum rules including instanton contributions are used
to calculate total and differential decay rates under the two assumptions.

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