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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
Author(s)
Junichiro Kawamura; Stuart Raby
Publication Date
2021-08
Journal
PHYSICAL REVIEW D, v.104, no.3
Publisher
AMER PHYSICAL SOC
Abstract
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' mu)= 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' mu) = 0.25. The future prospects at the HL-LHC are discussed.
URI
https://pr.ibs.re.kr/handle/8788114/10221
DOI
10.1103/PhysRevD.104.035007
ISSN
2470-0010
Appears in Collections:
Center for Fundamental Theory(순수물리이론 연구단) > 1. Journal Papers (저널논문)
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