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W mass in a model with vectorlike leptons and U(1)'

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Title
W mass in a model with vectorlike leptons and U(1)'
Author(s)
Junichiro Kawamura; Stuart Raby
Publication Date
2022-08
Journal
PHYSICAL REVIEW D, v.106, no.3
Publisher
AMER PHYSICAL SOC
Abstract
We study the effects of vectorlike leptons on the W-boson mass in a model with a vectorlike U(1)' gauge symmetry. This model provides simultaneous explanations for the recent anomalies in the muon anomalous magnetic moment and the semileptonic decays of B mesons. We find that the recent result of the W-boson mass's precise measurement at CDF can be explained if the charged (neutral) vectorlike lepton is lighter than 250 (80) GeV. The light vectorlike leptons may not be excluded by collider experiments if these decay to a physical mode of the U(1)'-breaking scalar field.
URI
https://pr.ibs.re.kr/handle/8788114/12749
DOI
10.1103/PhysRevD.106.035009
ISSN
2470-0010
Appears in Collections:
Center for Fundamental Theory(순수물리이론 연구단) > 1. Journal Papers (저널논문)
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