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Title: Two loop neutrino model and dark matter particles with global B−L symmetry

We study a two loop induced seesaw model with global U(1){sub B−L} symmetry, in which we consider two component dark matter particles. The dark matter properties are investigated together with some phenomenological constraints such as electroweak precision test, neutrino masses and mixing and lepton flavor violation. In particular, the mixing angle between the Standard Model like Higgs and an extra Higgs is extremely restricted by the direct detection experiment of dark matter. We also discuss the contribution of Goldstone boson to the effective number of neutrino species ΔN{sub eff} ≈ 0.39 which has been reported by several experiments.
Authors:
;  [1] ;  [2]
  1. School of Physics, KIAS, Seoul 130-722 (Korea, Republic of)
  2. Institute for Particle Physics Phenomenology University of Durham, Durham DH1 3LE (United Kingdom)
Publication Date:
OSTI Identifier:
22373517
Resource Type:
Journal Article
Resource Relation:
Journal Name: Journal of Cosmology and Astroparticle Physics; Journal Volume: 2014; Journal Issue: 06; Other Information: Country of input: International Atomic Energy Agency (IAEA)
Country of Publication:
United States
Language:
English
Subject:
72 PHYSICS OF ELEMENTARY PARTICLES AND FIELDS; 79 ASTROPHYSICS, COSMOLOGY AND ASTRONOMY; ACCURACY; FLAVOR MODEL; GOLDSTONE BOSONS; HIGGS BOSONS; HIGGS MODEL; NEUTRINOS; NONLUMINOUS MATTER; STANDARD MODEL; SYMMETRY; WEINBERG ANGLE