Measurement of Branching Fractions and Rate Asymmetries in the Rare Decays B -> K(*) l+ l-

Details Measurement of Branching Fractions and Rate Asymmetries in the Rare Decays B -> K(*) l+ l- Measurement of Branching Fractions and Rate Asymmetries in the Rare Decays B -> K(*) l+ l-

2012-04-17

arxiv.org/abs/1204.3933v1

Physics

High Energy Physics

High Energy Physics - Experiment

16 pages, 14 figures, submitted to Phys. Rev. D

Scientific paper

In a sample of 471 million BB events collected with the BABAR detector at the PEP-II e+e- collider we study the rare decays B -> K(*) l+ l-, where l+ l- is either e+e- or mu+mu-. We report results on partial branching fractions and isospin asymmetries in seven bins of di-lepton mass-squared. We further present CP and lepton-flavor asymmetries for di-lepton masses below and above the J/psi resonance. We find no evidence for CP or lepton-flavor violation. The partial branching fractions and isospin asymmetries are consistent with the Standard Model predictions and with results from other experiments.

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