Baryogenesis via leptonic CP-violating phase transition

Pascoli, Silvia; Turner, Jessica; Zhou, Ye-Ling

Abstract

We propose a new mechanism to generate a lepton asymmetry based on the vacuum CP-violating phase transition (CPPT). This approach differs from classical thermal leptogenesis as a specific seesaw model, and its UV completion, need not be specified. The lepton asymmetry is generated via the dynamically realised coupling of the Weinberg operator during the phase transition. This mechanism provides a connection with low-energy neutrino observables.

Citation

Pascoli, S., Turner, J., & Zhou, Y. (2018). Baryogenesis via leptonic CP-violating phase transition. Physics Letters B, 780, 313-318. https://doi.org/10.1016/j.physletb.2018.03.011

• Journal Article Type: Article
• Acceptance Date: Mar 2, 2018
• Online Publication Date: Mar 6, 2018
• Publication Date: May 10, 2018
• Deposit Date: Nov 10, 2016
• Publicly Available Date: Mar 21, 2018
• Journal: Physics Letters B
• Print ISSN: 0370-2693
• Publisher: Elsevier
• Peer Reviewed: Peer Reviewed
• Volume: 780
• Pages: 313-318
• DOI: https://doi.org/10.1016/j.physletb.2018.03.011
• Public URL: https://durham-repository.worktribe.com/output/1393904
• Related Public URLs: https://arxiv.org/abs/1609.07969