Anomalies in bottom from new physics in top

2018/05/31 by José Eliel Camargo-Molina, Alejandro Celis, Darius A. Faroughy · 4 citations
Physics and Astronomy · #Effective field theory #Gauge (firearms) #Gauge boson #Gauge group #Gauge theory #Higgs boson #High-Energy Particle Collisions Research #Large Hadron Collider #Muon #Neutrino Physics Research #Observable #Particle physics #Particle physics theoretical and experimental studies #Physics #Physics beyond the Standard Model #Quantum mechanics #Quark #Scalar (mathematics) #Standard Model (mathematical formulation) #Supersymmetry #Top quark #hep-ph

paper · pdf · doi:10.1016/j.physletb.2018.07.051

13 pages, 10 figures, 4 tables -- v2: Overview section removed, added Table IV, added B meson mixing discussion, added refs, version accepted for publication in Phys. Lett. B

openalex publication_date 2018/07/30 · arxiv created 2018/08/06 · arxiv updated 2018/08/07 · openalex created_date 2025/10/10 · openalex updated_date 2026/08/05

Abstract

We analyze the possibility to accommodate current b s + -anomalies with TeV-scale mediators that couple to right-handed top quarks and muons, contributing to b s + -at the one-loop level. We use the Standard Model Effective Field Theory (SMEFT) framework but also look at specific scenarios by taking into account all possible irreducible representations of the Lorentz and Standard Model gauge group for the mediators. From a global fit of b s + -data and LEP-I observables we find that the Wilson coefficients of two SMEFT operators:

Citations

• SimplestZ′model
• Neutrino Trident Production: A Powerful Probe of New Physics with Neutrino Beams
• Unity of All Elementary-Particle Forces
• Lepton number as the fourth "color"
• FeynRules 2.0 — A complete toolbox for tree-level phenomenology
• Probing TeV scale top-philic resonances with boosted top-tagging at the high luminosity LHC
• Baryon number and lepton universality violation in leptoquark and diquark models
• Gauge leptoquark as the origin of B-physics anomalies
• Lepton universality violation and lepton flavor conservation in B-meson decays
• On Flavourful Easter eggs for New Physics hunger and Lepton Flavour Universality violation

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• Reconciling B-meson decay anomalies with neutrino masses, dark matter and constraints from flavour violation
• A global likelihood for precision constraints and flavour anomalies
• GUT Physics in the Era of the LHC