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Clockwork Neutrinogenesis: Baryogenesis from theory space

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arxiv 2310.09640 v2 pith:6SDCTG2Y submitted 2023-10-14 hep-ph hep-th

Suvam Maharana , Tripurari Srivastava This is my paper · ORCID
classification hep-phhep-th
keywords clockworkfermionsbaryogenesisleptogenesismassesmathcalsectorspace
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abstract

We propose a minimal clockwork model to illustrate the possibility of baryogenesis via leptogenesis in a theory space setting. The standard lepton sector is augmented with three copies of a clockwork lattice made of SM neutral fermions. The two boundaries of these one-dimensional lattices are endowed with couplings to the SM leptons and three dark sector fermions, respectively. Small neutrino masses and a resonance enhanced Dirac leptogenesis are naturally obtained for anarchic textures of the Yukawa matrices, with $\sim \mathcal{O}(1)$ elements, provided the heavy clockwork fermions have masses $\gtrsim \mathcal{O}(10 \, \mbox{TeV})$

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Cited by 1 Pith paper

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  1. Bounds on decaying sterile neutrinos via magnetic dipole moment from COB intensity

    astro-ph.CO 2025-02 reject novelty 4.0 of 10

    The paper derives a range of sterile neutrino masses and transition magnetic moments that would reproduce the LORRI cosmic optical background excess, but the excess is only a 1.5-sigma signal.

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