Nonleptonic weak decays of charmed mesons

Details Nonleptonic weak decays of charmed mesons Nonleptonic weak decays of charmed mesons

1994-11-14

arxiv.org/abs/hep-ph/9411286v1

Phys.Rev.D51:3478-3486,1995

Physics

High Energy Physics

High Energy Physics - Phenomenology

24 pages, plain TeX, uses harvmac.tex and tables.tex

Scientific paper

10.1103/PhysRevD.51.3478

A previous analysis of two-body Cabibbo allowed nonleptonic decays of $D^0$ mesons and of Cabibbo allowed and first-forbidden decays of $D^+$ and $D_s^+$ has been adjourned using more recent experimental data and extended to the Cabibbo forbidden decays of $D^0$. Annihilation and W-exchange contributions as well as final state interaction effects (assumed to be dominated by nearby resonances) have been included and are in fact crucial to obtain a reasonable agreement with the experimental data, which show large flavour SU(3) violations. New fitting parameters are necessary to describe rescattering effects for Cabibbo forbidden $D^0$ decays, given the lack of experimental informations on isoscalar resonances. We keep their number to a minimum - three - using phenomenologically based considerations. We also discuss CP violating asymmetries.

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