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RESEARCH PRODUCT
Anomaly-free leptophilic axionlike particle and its flavor violating tests
Jin Min YangOscar VivesChengcheng HanAurora MelisM. L. López-ibáñezsubject
PhysicsParticle physics010308 nuclear & particles physicsHigh Energy Physics::LatticeHigh Energy Physics::Phenomenology01 natural sciencesSymmetry (physics)Physics::Geophysics0103 physical sciencesParticleHigh Energy Physics::ExperimentAnomaly (physics)010306 general physicsFlavorLeptondescription
Motivated by the recent Xenon1T result, we study a leptophilic flavor-dependent anomaly-free axionlike particle (ALP) and its effects on charged-lepton flavor violation. We present two representative models. The first one considers that the ALP origins from the flavon that generates the charged-lepton masses. The second model assumes a larger flavor symmetry such that more general mixings in the charged-lepton are possible, while maintaining flavor-dependent ALP couplings. We find that a keV ALP explaining the Xenon1T result is still viable for lepton flavor violation and stellar cooling astrophysical limits. On the other hand, if the Xenon1T result is confirmed, future charged-lepton flavor violation measurements can be complementary to probe such a possibility.
| year | journal | country | edition | language |
|---|---|---|---|---|
| 2021-02-25 |