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Search for lepton-number violating processes in B[superscript +]→h[superscript -]ℓ[superscript +]ℓ[superscript +]

Author(s)
Dujmic, Denis; Sciolla, Gabriella; Godang, R.; Cowan, Ray F
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Abstract
We have searched for the lepton-number violating processes B[superscript +]→h[superscript -]ℓ[superscript +]ℓ[superscript +] with h[superscript -]=K[superscript -]/π[superscript -] and ℓ[superscript +]=e[superscript +]/μ[superscript +], using a sample of 471±3 million BB̅ events collected with the BABAR detector at the PEP-II e[superscript +]e[superscript -] 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[superscript +]→π[superscript -]e[superscript +]e[superscript +])<2.3×10[superscript -8], B(B[superscript +]→K[superscript -]e[superscript +]e[superscript +])<3.0×10[superscript -8], B(B[superscript +]→π[superscript -]μ[superscript +]μ[superscript +])<10.7×10[superscript -8], and B(B[superscript +]→K[superscript -]μ[superscript +]μ[superscript +])<6.7×10[superscript -8].
Date issued
2012-04
URI
http://hdl.handle.net/1721.1/71677
Department
Massachusetts Institute of Technology. Laboratory for Nuclear Science
Journal
Physical Review D
Publisher
American Physical Society
Citation
J. P. Lees et al. (BABAR Collaboration). "Search for lepton-number violating processes in B[superscript +]→h[superscript -]ℓ[superscript +]ℓ[superscript +]" Physical Review D 85, 071103(R) (2012). © 2012 American Physical Society
Version: Final published version
ISSN
1550-7998
1089-4918

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