Leptogenesis from composite singlets
High Energy Physics - Phenomenology
2024-10-22 v3
Abstract
We argue that dual singlets accommodate the thermal leptogenesis in the context of metastable supersymmetry breaking. This framework suggests that the reheating temperature is as low as O(10^4) GeV, and besides the neutrino masses, solely induced from the dual fermions, are present at O(0.1) eV. We also expect that the unstable gravitino, though long-lived, may cause a clear signal of the neutrino flux at O(10) MeV.
Cite
@article{arxiv.2209.08386,
title = {Leptogenesis from composite singlets},
author = {Nobuki Yoshimatsu},
journal= {arXiv preprint arXiv:2209.08386},
year = {2024}
}
Comments
23 pages, Appendices included