Study of rare and hadronic B decays in BABAR

Abstract

We present results from BABAR experiment for the measurement of inclusive and exclusive branching fractions of B mesons into final states containing $J/\psi$, $\psi (2S)$ and ${\chi }_c$. The contributions of CP even and odd amplitudes in the decay $B^0\to J/\psi K^{\ast 0}$ are determined from an angular analysis. We report the measurements of the branching ratios $B^0\to D^{\ast +}{D}^{\ast -}$ and $D^{\ast +}{D}^{\ast -}{K}_S^0$, and the study of exclusive two-body and quasi-two-body charmless decays. The branching fraction of the decay $B^0\to K^{\ast 0}\gamma$ has been determined and the corresponding CP asymmetry has been measured.

arXiv comment12 pages, contributed to the proceedings of ICFP2001

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