Signal of four muons or more from a vector-like lepton decaying to a muon-philic Z ′ boson at the LHC

Kawamura, Junichiro; Raby, Stuart

doi:10.1103/PhysRevD.104.035007

Title: Signal of four muons or more from a vector-like lepton decaying to a muon-philic $Z^{'}$ boson at the LHC

Journal Article · Wed Aug 11 00:00:00 EDT 2021 · Physical Review D

DOI:https://doi.org/10.1103/PhysRevD.104.035007· OSTI ID:1812832

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We propose a novel possibility to detect a very distinctive signal with more than four muons originating from pair-produced vector-like leptons decaying to a muon-philic Z' boson. These new particles are good candidates to explain the anomalies in the muon anomalous magnetic moment and the b → sℓℓ processes. The doublet (singlet) vector-like leptons lighter than 1.3 (1.0) TeV are excluded by the latest data at the LHC if BR(E → Z'μ) = 1. We also show that the excess in the signal region with more than five leptons can be explained by this scenario if the vector-like lepton is a weak singlet, with mass about 400 GeV and BR(E → Z'μ) = 0.25. The future prospects at the HL-LHC are discussed.

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Research Organization:: The Ohio State Univ., Columbus, OH (United States)

Sponsoring Organization:: USDOE Office of Science (SC); Institute for Basic Science (IBS); Ministry of Education, Science, Sports and Culture (MEXT)

Grant/Contract Number:: SC0011726; IBS-R018-D1; 18K13534

OSTI ID:: 1812832

Alternate ID(s):: OSTI ID: 1851541

Journal Information:: Physical Review D, Journal Name: Physical Review D Vol. 104 Journal Issue: 3; ISSN 2470-0010

Publisher:: American Physical SocietyCopyright Statement

Country of Publication:: United States

Language:: English

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Title: Signal of four muons or more from a vector-like lepton decaying to a muon-philic Z ′ boson at the LHC

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Title: Signal of four muons or more from a vector-like lepton decaying to a muon-philic $Z^{'}$ boson at the LHC