Search for rare B meson decays at the BaBar experiment

Abstract

b to s transitions are flavour-changing neutral current (FCNC) processes that play an important role in the search for physics beyond the Standard Model (SM). Contributions from virtual particles in the loop are predicted to deviate observables, such as the branching fraction, from their SM expectations. Using data from the BaBar experiment, we present the first search for the rare decay B to K tau tau. The BABAR results on the measurement of the angular asymmetries of B to Kstar l l, where l is an electron or muon, are also reported. In addition, using a time-dependent analysis of B to KS0 pi pi gamma, the mixing induced CP-asymmetry for the radiative FCNC decay, B to KS0 rho gamma, is measured, along with an amplitude analysis of the m (K pi) and m (K pi pi) spectrum.

arXiv comment6 pages, 4 figures, BEACH conference

References in corpus (19)

• The Physics of the B Factories
• Measurement of the Differential Branching Fraction and Forward-Backword Asymmetry for B->K(*)l+l-
• Probing New Physics Via the Transverse Amplitudes of B0-> K*0(-> K- pi+) l+l- at Large Recoil
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• Angular analysis and branching fraction measurement of the decay B0 to K*0 mu+ mu-
• Measurement of Angular Asymmetries in the Decays B->K*l+l-
• Searching for New Physics in Rare $B\to \tau$ Decays
• Time-Dependent CP Asymmetries in B0 -> Ks pi0 gamma transitions
• Probe R-parity Violating Supersymmetry Effects in $B\to K^{(\ast )}{\ell }^{+}{\ell }^{-}$ and $B_s\to {\ell }^{+}{\ell }^{-}$ Decays
• Improved Measurement of CP Violation in Neutral B Decays to c cbar s
• Measurement of the Branching Fractions of the Radiative Charm Decays $D^0\to {\bar{K}}^{\ast 0}\gamma$ and $D^0\to \varphi \gamma$
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