We perform the first search for lepton-number-violating B+ D-l+l'+ decays, where l and l' stand for e or µ, using 772×106 B ¯B pairs accumulated at the (4S) resonance with the Belle detector at the KEKB e+e- collider. No evidence for these decays has been found. Assuming uniform three-body phase space distributions for the D-l+l'+ decays, we set the following upper limits on the branching fractions at 90% confidence level: B(B+ D-e+e+)
Revised: August 12, 2014 |
Published: October 17, 2011
Citation
Seon O., Y.J. Kwon, T. Iijima, I. Adachi, H. Aihara, D.M. Asner, and T. Aushev, et al. 2011.Search for Lepton-number-violating B+ -> D- e+ e'+ Decays.Physical Review D 84, no. 7:Article No. 071106.PNNL-SA-81595.doi:10.1103/PhysRevD.84.071106