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BABAR Collaboration; Martínez Vidal, Fernando; Oyanguren Campos, Arantza; Villanueva Pérez, Pablo | |||
Aquest document és un/a article, creat/da en: 2014 | |||
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We report on a search for eleven lepton-number violating processes B+ -> X(-)l(+)l'(+) with X- = K-, pi(-), rho(-), K*(-), or D- and l(+)/l'(+) = e(+) or mu(+), using a sample of 471 +/- 3 million B (B) over bar 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) x 10(-7). | |||
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