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Minimal Explanation of Flavor Anomalies: B-Meson Decays, Muon Magnetic Moment, and the Cabibbo Angle

Marzocca, David
•
Trifinopoulos, Sokratis
2021
  • journal article

Periodico
PHYSICAL REVIEW LETTERS
Abstract
Significant deviations from the standard model are observed in semileptonic charged and neutral-current B decays, the muon magnetic moment, and the extraction of the Cabibbo angle. We propose that these deviations point towards a coherent pattern of new physics effects induced by two scalar mediators, a leptoquark S-1 and a charged singlet phi(+). While S-1 can provide solutions to charged-current B decays and the muon magnetic moment, and phi(+) can accommodate the Cabibbo-angle anomaly independently, their one-loop level synergy can also address neutral-current B decays. This framework provides the most minimal explanation to the above-mentioned anomalies, while being consistent with all other phenomenological constraints.
DOI
10.1103/PhysRevLett.127.061803
WOS
WOS:000681176000006
Archivio
https://hdl.handle.net/20.500.11767/132012
info:eu-repo/semantics/altIdentifier/scopus/2-s2.0-85112362573
https://arxiv.org/abs/2104.05730
https://ricerca.unityfvg.it/handle/20.500.11767/132012
Diritti
metadata only access
Soggetti
  • Flavour Physic

  • Leptoquark

  • g-2

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