Hadronic Charm Decays and D Mixing
Abstract
Description
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.
Inivted talk at "Flavor Physics and CP Violation Conference," Vancouver, 2006, 12 pages, 14 figures. To be published Electronic Conference Proceedings Archive http://www.slac.stanford.edu/econf/search.html
Inivted talk at "Flavor Physics and CP Violation Conference," Vancouver, 2006, 12 pages, 14 figures. To be published Electronic Conference Proceedings Archive http://www.slac.stanford.edu/econf/search.html