Dark matter, muon g-2, electric dipole moments, and Z→ℓi+ℓj- in a one-loop induced neutrino model

Dark matter, muon g-2, electric dipole moments, and Z→ℓi+ℓj- in a one-loop induced neutrino... We study a simple one-loop induced neutrino mass model that contains both bosonic and fermionic dark matter candidates and has the capacity to explain the muon anomalous magnetic moment anomaly. We perform a comprehensive analysis by taking into account the relevant constraints of charged lepton flavor violation, electric dipole moments, and neutrino oscillation data. We examine the constraints from lepton flavor-changing Z boson decays at the one-loop level, particularly when the involved couplings contribute to the muon g-2. It is found that BR(Z→μτ)≃(10-7–10-6) while BR(τ→μγ)≲10-11 in the fermionic dark matter scenario. The former can be probed by the precision measurement of the Z boson at future lepton colliders. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Physical Review D American Physical Society (APS)

Dark matter, muon g-2, electric dipole moments, and Z→ℓi+ℓj- in a one-loop induced neutrino model

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Dark matter, muon g-2, electric dipole moments, and Z→ℓi+ℓj- in a one-loop induced neutrino model

Abstract

We study a simple one-loop induced neutrino mass model that contains both bosonic and fermionic dark matter candidates and has the capacity to explain the muon anomalous magnetic moment anomaly. We perform a comprehensive analysis by taking into account the relevant constraints of charged lepton flavor violation, electric dipole moments, and neutrino oscillation data. We examine the constraints from lepton flavor-changing Z boson decays at the one-loop level, particularly when the involved couplings contribute to the muon g-2. It is found that BR(Z→μτ)≃(10-7–10-6) while BR(τ→μγ)≲10-11 in the fermionic dark matter scenario. The former can be probed by the precision measurement of the Z boson at future lepton colliders.
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Publisher
The American Physical Society
Copyright
Copyright © © 2017 American Physical Society
ISSN
1550-7998
eISSN
1550-2368
D.O.I.
10.1103/PhysRevD.96.015002
Publisher site
See Article on Publisher Site

Abstract

We study a simple one-loop induced neutrino mass model that contains both bosonic and fermionic dark matter candidates and has the capacity to explain the muon anomalous magnetic moment anomaly. We perform a comprehensive analysis by taking into account the relevant constraints of charged lepton flavor violation, electric dipole moments, and neutrino oscillation data. We examine the constraints from lepton flavor-changing Z boson decays at the one-loop level, particularly when the involved couplings contribute to the muon g-2. It is found that BR(Z→μτ)≃(10-7–10-6) while BR(τ→μγ)≲10-11 in the fermionic dark matter scenario. The former can be probed by the precision measurement of the Z boson at future lepton colliders.

Journal

Physical Review DAmerican Physical Society (APS)

Published: Jul 1, 2017

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