Lepton flavor universality violation without new sources of quark flavor violation
Name
PhysRevD.97.035002.pdf
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327.9 KB
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Author(s)
Kamenik, Jernej F.
Soreq, Yotam
Zupan, Jure
Date Issued
February 2018
Journal
Physical Review D
Publisher
American Physical Society
Citation
Kamenik, Jernej F., et al. “Lepton Flavor Universality Violation without New Sources of Quark Flavor Violation.” Physical Review D, vol. 97, no. 3, Feb. 2018. © 2018 American Physical Society
Version
Final published version
Abstract
We show that new physics models without new flavor violating interactions can explain the recent anomalies in the b→sℓ[superscript +]ℓ[superscript -] transitions. The b→sℓ[superscript +]ℓ[superscript -] arises from a Z[superscript ′] penguin which automatically predicts the V-A structure for the quark currents in the effective operators. This framework can either be realized in a renormalizable U(1)[superscript ′] setup or be due to new strongly interacting dynamics. The dimuon resonance searches at the LHC are becoming sensitive to this scenario since the Z[superscript ′] is relatively light, and could well be discovered in future searches by ATLAS and CMS.
MIT Department
Massachusetts Institute of Technology. Department of Physics
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Creative Commons Attribution
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DOI of Published Version
https://doi.org/10.1103/PhysRevD.97.035002
