Search for lepton-number violating B+ -> X(-)l(+)l '(+) decays

Abstract

We report on a search for eleven lepton-number violating processes B+\u2192X-\u2113+\u2113\u2032+ with X-=K-, \u3c0-, \u3c1-, K*-, or D- and \u2113+/\u2113\u2032+=e+ or \u3bc+, using a sample of 471\ub13 million BB\u304 events collected with the BABAR detector at the PEP-II e+e- collider at the SLAC National Accelerator Laboratory. We find no evidence for any of these modes and place 90% confidence level upper limits on their branching fractions in the range (1.5-26) 710-7. \ua9 2014 American Physical Society

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