Study of B0 --> l+l'- decays (l,l' = e,mu)

Details Study of B0 --> l+l'- decays (l,l' = e,mu) Study of B0 --> l+l'- decays (l,l' = e,mu)

2007-12-10

arxiv.org/abs/0712.1516v1

Phys.Rev.D77:032007,2008

Physics

High Energy Physics

High Energy Physics - Experiment

8 pages, 14 postscript figures

Scientific paper

10.1103/PhysRevD.77.032007

We present a search for the decays B0 --> e+e-, B0 --> mu+ mu- and B0 --> e mu using data collected with the BABAR detector at the PEP-II e+e-collider at SLAC. Using a dataset corresponding to 384 x 10^6 BBbar pairs, we do not find evidence of any of the three decay modes. We obtain upper limit on the branching fractions, at 90% confidence level, of B(B0 --> e+e-)< 11.3 x 10^{-8}, B(B0 --> mu+ mu-) < 5.2 x 10^{-8}, and B(B0 --> e mu) < 9.2 x 10^{-8}.

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