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Title: Tests of Lepton Universality Using B 0 K S 0 + and B + K * + + Decays

Journal Article · · Physical Review Letters
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Tests of lepton universality in B 0 K S 0 + - and B + K * + + - decays where is either an electron or a muon are presented. The differential branching fractions of B 0 K S 0 e + e - and B + K * + e + e - decays are measured in intervals of the dilepton invariant mass squared. The measurements are performed using proton-proton collision data recorded by the LHCb experiment, corresponding to an integrated luminosity of 9 fb - 1 . The results are consistent with the standard model and previous tests of lepton universality in related decay modes. The first observation of B 0 K S 0 e + e - and B + K * + e + e - decays is reported.

Research Organization:
Lawrence Berkeley National Laboratory (LBNL), Berkeley, CA (United States). National Energy Research Scientific Computing Center (NERSC)
Sponsoring Organization:
USDOE
Contributing Organization:
LHCb Collaboration
Grant/Contract Number:
AC02-05CH11231
OSTI ID:
1867305
Alternate ID(s):
OSTI ID: 1982824
Journal Information:
Physical Review Letters, Journal Name: Physical Review Letters Vol. 128 Journal Issue: 19; ISSN 0031-9007
Publisher:
American Physical SocietyCopyright Statement
Country of Publication:
United States
Language:
English

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