Hadronic Charm Decays and D Mixing

Details Hadronic Charm Decays and D Mixing Hadronic Charm Decays and D Mixing

2006-05-11

arxiv.org/abs/hep-ph/0605134v2

Physics

High Energy Physics

High Energy Physics - Phenomenology

Inivted talk at "Flavor Physics and CP Violation Conference," Vancouver, 2006, 12 pages, 14 figures. To be published Electroni

Scientific paper

I discuss new results on absolute branching ratios of charm mesons into specific exclusive final states, Cabibbo suppressed decay rates, inclusive decays to $s\bar{s}$ mesons, limits on D^0 anti-D^0 mixing, CP violation and T violation. Preliminary results from CLEO-c now dominate the world average absolute branching fractions. For the most important normalization modes involving D^0 and D^+, the averages are B(D^0 -> K^- pi^+ = (3.87 +/- 0.06)%, and B(D^+ -> K^- pi^+ pi^+)= (9.12 +/- 0.19)%. For the Ds^+ CLEO-c measures B(Ds+ -> K^- K^+ pi^+)=(4.54^{+0.44}_{-0.42} =/- 0.25)%. Using this rate, I derive an effective branching ratio B(eff)(Ds^+ -> phi pi^+)=(3.49 +/- 0.39)%, that is appropriate for use in extracting other branching fractions that have often been measured relative to this mode. This number is compared with other determinations.

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