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Exotic leptons: Collider and muon magnetic moment constraints

2015/08/06 by D. Cogollo
Computer Science · Physics and Astronomy · #Anomalous magnetic dipole moment #Collider #Computational Physics and Python Applications #Dark Matter and Cosmic Phenomena #Electron #Electron magnetic dipole moment #Electroweak interaction #Electroweak scale #Gauge (firearms) #Gauge boson #Gauge theory #Lepton #Magnetic dipole #Magnetic field #Muon #Nuclear physics #Particle physics #Particle physics theoretical and experimental studies #Physics #Quantum mechanics #Standard Model (mathematical formulation) #Symmetry breaking #hep-ph

paper · pdf · doi:10.1142/s0217751x15501870

published as Int.J.Mod.Phys. A30 (2015), Volume 30, Issue 32, 20 November 2015

arxiv created 2015/08/06 · openalex publication_date 2015/11/16 · arxiv updated 2015/11/26 · openalex created_date 2025/10/10 · openalex updated_date 2026/08/05

Abstract

In light of the ongoing effort on reducing the theoretical uncertainties and an upcoming experiment concerning muon magnetic moment, we perform a detailed study of an 3-4-1 electroweak gauge extension of the standard model that contains exotic charged leptons in its spectrum. We discuss flavor changing neutral current, collider and electroweak bounds on the model and derive [Formula: see text] limits using current and projected limits on the muon magnetic moment. In summary, we exclude the masses of new gauge bosons that couple to muons and heavy charged leptons up to 700 GeV. Moreover, we find a projected lower bound on the scale of symmetry breaking to be 2 TeV.

Citations