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Leptogenesis and dark matter detection in a TeV scale neutrino mass model with inverted mass hierarchy

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abstract

Realization of the inverted hierarchy is studied in the radiative neutrino mass model with an additional doublet, in which neutrino masses and dark matter could be induced from a common particle. We show that the sufficient baryon number asymmetry is generated through resonant leptogenesis even for the case with rather mild degeneracy among TeV scale right-handed neutrinos. We also discuss the relation between this neutrino mass generation mechanism and low energy experiments for the DM direct search, the neutrinoless double $\beta$ decay and so on.

fields

hep-ph 1

years

2026 1

verdicts

UNVERDICTED 1

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