Search for Decays of B0 Mesons into Pairs of Leptons

Details Search for Decays of B0 Mesons into Pairs of Leptons Search for Decays of B0 Mesons into Pairs of Leptons

2002-07-25

arxiv.org/abs/hep-ex/0207083v1

Physics

High Energy Physics

High Energy Physics - Experiment

16 pages, 4 postscript figures, submitted to ICHEP2002

Scientific paper

We present a search for the decays B0->e+e-, B0->mu+mu-, and B0->emu in data
collected at the Upsilon(4S) with the BABAR detector at the SLAC B Factory.
Using a data set of 54.4 fb-1, we find no evidence for a signal and set the
following preliminary upper limits at the 90% confidence level: B(B0->e+e-)<
3.3*10E-7, B(B0->mu+mu-) < 2.0*10E-7, and B(B0->emu) < 2.1*10E-7.

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