Journal
PHYSICAL REVIEW D
Volume 101, Issue 11, Pages -Publisher
AMER PHYSICAL SOC
DOI: 10.1103/PhysRevD.101.115016
Keywords
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Funding
- Fondecyt (Chile) [1170803]
- CONICYT PIA/Basal [FB0821]
- STFC [ST/L000296/1]
- European Union [674896, 690575]
- Mayflower studentship at the University of Southampton
- STFC [ST/P000711/1, ST/L000296/1] Funding Source: UKRI
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In order to address this question, we consider a simple renormalizable and gauge invariant model in which the Z' only has couplings to the electron and muon and their associated neutrinos, arising from mixing with a heavy vectorlike fourth family of leptons. Within this model we discuss the contributions to the electron and muon anomalous magnetic moments from Z' exchange, subject to the constraints from mu -> e gamma and neutrino trident production. Using analytic and numerical arguments, we find that such a Z' model can account for either the electron or the muon g-2 anomalies, but not both, while remaining consistent with the experimental constraints from mu -> e gamma and neutrino trident production.
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