Search for Lepton-Number Violating Processes in B⁺ → h⁻ l⁺ l⁺ Decays

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Search for Lepton-Number Violating Processes in B⁺ → h⁻ l⁺ l⁺ Decays

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Title: Search for Lepton-Number Violating Processes in B⁺ → h⁻ l⁺ l⁺ Decays
Author(s):
Lees, J. P.;
Poireau, V.;
Tisserand, V.;
Garra Tico, J.;
Grauges, E.;
Palano, A.;
Eigen, G.;
Izen, Joseph M.;
Lou, Xinchou;
BaBar Collaboration
Format: Text
Item Type: Article
Keywords: Photons
Meson factories
Radioactive decay
Abstract: We have searched for the lepton-number violating processes B +→h -- +- + with h -=K -/π - and - +=e +/μ +, using a sample of 471±3 million BB̄ events collected with the BABAR detector at the PEP-II e +e - collider at the SLAC National Accelerator Laboratory. We find no evidence for these decays and place 90%-confidence-level upper limits on their branching fractions B(B +→π -e +e +)<2.3×10 -8, B(B +→K -e +e +)<3.0×10 -8, B(B +→π -μ +μ +)<10. 7×10 -8, and B(B +→K -μ +μ +)<6.7×10 -8. © 2012 American Physical Society.
Publisher: Amer Physical Soc
ISSN: 1550-7998
Source: Physical Review D - Particles, Fields, Gravitation and Cosmology
Link to Related Resource: http://dx.doi.org/10.1103/PhysRevD.85.071103
Persistent Link: http://hdl.handle.net/10735.1/3173
Bibliographic Citation: Lees, J. P., V. Poireau, V. Tisserand, J. Garra Tico, et al. 2012. "Search for lepton-number violating processes in B⁺ → h⁻ l⁺ l⁺ decays." Physical Review D - Particles, Fields, Gravitation and Cosmology 85(7), doi:10.1103/PhysRevD.85.071103
Terms of Use: © 2012 American Physical Society

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