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Flavor non-universal vector leptoquark imprints in and ΔF = 2 transitions


Crosas, Òscar L; Isidori, Gino; Lizana, Javier M; Selimović, Nudžeim; Stefanek, Ben A (2022). Flavor non-universal vector leptoquark imprints in and ΔF = 2 transitions. Physics Letters B, 835:137525.

Abstract

We analyze rates in a model with a TeV-scale leptoquark addressing B-meson anomalies, based on the flavor non-universal 4321 gauge group featuring third-generation quark-lepton unification. We show that, together with the tight bounds imposed by amplitudes, the present measurement of already provides a non-trivial constraint on the model parameter space. In the minimal version of the model, the deviations from the Standard Model in are predicted to be in close correlation with non-standard effects in the Lepton Flavor Universality ratios and ⁎. With the help of future data, these correlations can provide a decisive test of the model.

Abstract

We analyze rates in a model with a TeV-scale leptoquark addressing B-meson anomalies, based on the flavor non-universal 4321 gauge group featuring third-generation quark-lepton unification. We show that, together with the tight bounds imposed by amplitudes, the present measurement of already provides a non-trivial constraint on the model parameter space. In the minimal version of the model, the deviations from the Standard Model in are predicted to be in close correlation with non-standard effects in the Lepton Flavor Universality ratios and ⁎. With the help of future data, these correlations can provide a decisive test of the model.

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Item Type:Journal Article, refereed, original work
Communities & Collections:07 Faculty of Science > Physics Institute
Dewey Decimal Classification:530 Physics
Scopus Subject Areas:Physical Sciences > Nuclear and High Energy Physics
Uncontrolled Keywords:Nuclear and High Energy Physics
Language:English
Date:1 December 2022
Deposited On:14 Feb 2023 12:08
Last Modified:28 Jun 2024 01:42
Publisher:Elsevier
ISSN:0370-2693
OA Status:Gold
Free access at:Publisher DOI. An embargo period may apply.
Publisher DOI:https://doi.org/10.1016/j.physletb.2022.137525
Project Information:
  • : FunderUniversity of Zurich
  • : Grant ID
  • : Project Title
  • : FunderH2020
  • : Grant ID833280
  • : Project TitleFLAY - Flavor Anomalies and the origin of the Yukawa couplings
  • : FunderEuropean Research Council
  • : Grant ID
  • : Project Title
  • Content: Published Version
  • Language: English
  • Licence: Creative Commons: Attribution 4.0 International (CC BY 4.0)