Nonleptonic two-body decays of charmed mesons

Details Nonleptonic two-body decays of charmed mesons Nonleptonic two-body decays of charmed mesons

2011-01-25

arxiv.org/abs/1101.4714v2

Phys. Rev. D 84, 074019 (2011)

Physics

High Energy Physics

High Energy Physics - Phenomenology

18 pages, 2 figures;typos corrected;discussions and references added

Scientific paper

Nonleptonic decays of charmed mesons into two pseudoscalar mesons or one pseudoscalar meson and one vector meson are studied on the basis of a generalized factorization method considering the resonance effects in the pole model for the annihilation contributions. Large strong phases between different topological diagrams are considered in this work, simply taking the phase in the coefficients $a_i$. We find that the annihilation-type contributions calculated in the pole model are large in both of the $PP$ and $PV$ modes, which make our numerical results agree with the experimental data better than those previous calculations.

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