Scotogenic mechanism from an extended SU(2)1 × SU(2)2 × U(1)Y electroweak symmetry
Abstract
We propose an extension of the electroweak sector of the Standard Model in which the gauge group SU(2)L is promoted to SU(2)1 × SU(2)2. This framework naturally includes a viable dark matter candidate and generates neutrino masses radiatively \`a la Scotogenic. Our scenario can be viewed as an ultraviolet extension of the Scotogenic mechanism, addressing some of its shortcomings. The resulting phenomenology may be probed through a range of experimental signatures, from precision electroweak measurements to searches for lepton flavor violation.
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