Flavor effects in leptogenesis
Flavor effects can have a significant impact on the final estimate of the lepton (and therefore baryon) asymmetry in scenarios of leptogenesis. It is therefore necessary to account fully for this flavor dynamics in the relevant transport equations that describe the production (and washout) of the as...
| Main Authors: | , , , , , |
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| Format: | Article |
| Language: | English |
| Published: |
World Scientific Publishing
2018
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| Online Access: | https://eprints.nottingham.ac.uk/50478/ |
| _version_ | 1848798260739702784 |
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| author | Dev, P.S.B. Di Bari, P. Garbrecht, B. Lavignac, S. Millington, P. Teresi, D. |
| author_facet | Dev, P.S.B. Di Bari, P. Garbrecht, B. Lavignac, S. Millington, P. Teresi, D. |
| author_sort | Dev, P.S.B. |
| building | Nottingham Research Data Repository |
| collection | Online Access |
| description | Flavor effects can have a significant impact on the final estimate of the lepton (and therefore baryon) asymmetry in scenarios of leptogenesis. It is therefore necessary to account fully for this flavor dynamics in the relevant transport equations that describe the production (and washout) of the asymmetry. Doing so can both open up and restrict viable regions of parameter space relative to the predictions of more approximate calculations. In this review, we identify the regimes in which flavor effects can be relevant and illustrate their impact in a number of phenomenological models. These include type I and type II seesaw embeddings, and low-scale resonant scenarios. In addition, we provide an overview of the semi-classical and field-theoretic methods that have been developed to capture flavor effects in a consistent way. |
| first_indexed | 2025-11-14T20:16:57Z |
| format | Article |
| id | nottingham-50478 |
| institution | University of Nottingham Malaysia Campus |
| institution_category | Local University |
| language | English |
| last_indexed | 2025-11-14T20:16:57Z |
| publishDate | 2018 |
| publisher | World Scientific Publishing |
| recordtype | eprints |
| repository_type | Digital Repository |
| spelling | nottingham-504782019-02-28T04:30:21Z https://eprints.nottingham.ac.uk/50478/ Flavor effects in leptogenesis Dev, P.S.B. Di Bari, P. Garbrecht, B. Lavignac, S. Millington, P. Teresi, D. Flavor effects can have a significant impact on the final estimate of the lepton (and therefore baryon) asymmetry in scenarios of leptogenesis. It is therefore necessary to account fully for this flavor dynamics in the relevant transport equations that describe the production (and washout) of the asymmetry. Doing so can both open up and restrict viable regions of parameter space relative to the predictions of more approximate calculations. In this review, we identify the regimes in which flavor effects can be relevant and illustrate their impact in a number of phenomenological models. These include type I and type II seesaw embeddings, and low-scale resonant scenarios. In addition, we provide an overview of the semi-classical and field-theoretic methods that have been developed to capture flavor effects in a consistent way. World Scientific Publishing 2018-02-28 Article PeerReviewed application/pdf en https://eprints.nottingham.ac.uk/50478/1/1711.02861.pdf Dev, P.S.B., Di Bari, P., Garbrecht, B., Lavignac, S., Millington, P. and Teresi, D. (2018) Flavor effects in leptogenesis. International Journal of Modern Physics A, 33 (05n06). p. 1842001. ISSN 0217-751X https://www.worldscientific.com/doi/abs/10.1142/S0217751X18420010 doi:10.1142/S0217751X18420010 doi:10.1142/S0217751X18420010 |
| spellingShingle | Dev, P.S.B. Di Bari, P. Garbrecht, B. Lavignac, S. Millington, P. Teresi, D. Flavor effects in leptogenesis |
| title | Flavor effects in leptogenesis |
| title_full | Flavor effects in leptogenesis |
| title_fullStr | Flavor effects in leptogenesis |
| title_full_unstemmed | Flavor effects in leptogenesis |
| title_short | Flavor effects in leptogenesis |
| title_sort | flavor effects in leptogenesis |
| url | https://eprints.nottingham.ac.uk/50478/ https://eprints.nottingham.ac.uk/50478/ https://eprints.nottingham.ac.uk/50478/ |