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Baryogenesis via leptonic CP-violating phase transition

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

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Authors

Jessica Turner

Ye-Ling Zhou



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
Related Public URLs https://arxiv.org/abs/1609.07969

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