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Scotoseesaw model implied by dark right-handed neutrinos
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We find a dark gauge symmetry U(1)D that transforms nontrivially only for three right-handed neutrinos, ν1,2,3R. The anomaly cancellation demands that they have a dark charge D=0,−1,+1 assigned to ν1,2,3R, respectively. The dark charge is broken by two units down to a dark parity, i.e., U(1)D→PD=(−1)D, which stabilizes a dark matter candidate. Interestingly, the model manifestly supplies neutrino masses via joint seesaw and scotogenic mechanisms, called scotoseesaw.
Published by the American Physical Society
2024
Title: Scotoseesaw model implied by dark right-handed neutrinos
Description:
We find a dark gauge symmetry U(1)D that transforms nontrivially only for three right-handed neutrinos, ν1,2,3R.
The anomaly cancellation demands that they have a dark charge D=0,−1,+1 assigned to ν1,2,3R, respectively.
The dark charge is broken by two units down to a dark parity, i.
e.
, U(1)D→PD=(−1)D, which stabilizes a dark matter candidate.
Interestingly, the model manifestly supplies neutrino masses via joint seesaw and scotogenic mechanisms, called scotoseesaw.
Published by the American Physical Society
2024.
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