Journal
JOURNAL OF HIGH ENERGY PHYSICS
Volume -, Issue 10, Pages -Publisher
SPRINGER
DOI: 10.1007/JHEP10(2016)002
Keywords
Beyond Standard Model; Effective field theories
Categories
Funding
- Marie Curie CIG program [PCIG13-GA-2013-618439]
- Swiss National Science Foundation (SNF) [200021-159720]
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We discuss the use of massive vectors for the interpretation of some recent experimental anomalies, with special attention to the muon g-2. We restrict our discussion to the case where the massive vector is embedded into a spontaneously broken gauge symmetry, so that the predictions are not affected by the choice of an arbitrary energy cut-off. Extended gauge symmetries, however, typically impose strong constraints on the mass of the new vector boson and for the muon g-2 they basically rule out, barring the case of abelian gauge extensions, the explanation of the discrepancy in terms of a single vector extension of the standard model. We finally comment on the use of massive vectors for B-meson decay and di-photon anomalies.
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