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

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

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High Energy Physics - Phenomenology

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http://salesiana.dossiersoluciones.com/handle/123456789/185218

Consulte el texto completo en el siguiente enlace:

https://arxiv.org/abs/hep-ph/0203225
 http://arxiv.org/abs/hep-ph/0203225
 Phys.Rev.D65:114002,2002
 doi:10.1103/PhysRevD.65.114002

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arXiv