Leptonic violation and leptogenesis in minimal supersymmetric
Abstract
We consider a supersymmetric SU(4)c × SU(2)L × SU(2)R model with a minimal number of Higgs multiplets and Dirac and Majorana CP-violating phases in the neutrino flavor mixing matrix. The model incorporates the charged fermion masses and quark mixings, and uses type I seesaw to explain the solar and atmospheric neutrino oscillations. With the neutrino oscillation data of two mass squared differences and three flavor mixing angles, we employ thermal leptogenesis and the observed baryon asymmetry to find the allowed regions for the Dirac and Majorana phases. For a normal neutrino mass hierarchy, we find that the observed baryon asymmetry can be reproduced by a Dirac phase of around δCP 3π/2, which is strongly indicated by the recent T2K and NOνA data. For the case of inverted neutrino mass hierarchy, the predicted baryon asymmetry is not compatible with the observed value.
- Authors:
- Publication Date:
- Research Org.:
- Univ. of Alabama, Tuscaloosa, AL (United States); Univ. of Delaware, Newark, DE (United States)
- Sponsoring Org.:
- USDOE Office of Science (SC)
- OSTI Identifier:
- 1467915
- Alternate Identifier(s):
- OSTI ID: 1503882
- Grant/Contract Number:
- SC0012447; SC0013880
- Resource Type:
- Published Article
- Journal Name:
- Physical Review. D.
- Additional Journal Information:
- Journal Name: Physical Review. D. Journal Volume: 98 Journal Issue: 3; Journal ID: ISSN 2470-0010
- Publisher:
- American Physical Society (APS)
- Country of Publication:
- United States
- Language:
- English
- Subject:
- 72 PHYSICS OF ELEMENTARY PARTICLES AND FIELDS
Citation Formats
Okada, Nobuchika, and Shafi, Qaisar. Leptonic C P violation and leptogenesis in minimal supersymmetric SU ( 4 ) c × SU ( 2 ) L × SU ( 2 ) R. United States: N. p., 2018.
Web. doi:10.1103/PhysRevD.98.035044.
Okada, Nobuchika, & Shafi, Qaisar. Leptonic C P violation and leptogenesis in minimal supersymmetric SU ( 4 ) c × SU ( 2 ) L × SU ( 2 ) R. United States. https://doi.org/10.1103/PhysRevD.98.035044
Okada, Nobuchika, and Shafi, Qaisar. Thu .
"Leptonic C P violation and leptogenesis in minimal supersymmetric SU ( 4 ) c × SU ( 2 ) L × SU ( 2 ) R". United States. https://doi.org/10.1103/PhysRevD.98.035044.
@article{osti_1467915,
title = {Leptonic C P violation and leptogenesis in minimal supersymmetric SU ( 4 ) c × SU ( 2 ) L × SU ( 2 ) R},
author = {Okada, Nobuchika and Shafi, Qaisar},
abstractNote = {We consider a supersymmetric SU(4)c × SU(2)L × SU(2)R model with a minimal number of Higgs multiplets and Dirac and Majorana CP-violating phases in the neutrino flavor mixing matrix. The model incorporates the charged fermion masses and quark mixings, and uses type I seesaw to explain the solar and atmospheric neutrino oscillations. With the neutrino oscillation data of two mass squared differences and three flavor mixing angles, we employ thermal leptogenesis and the observed baryon asymmetry to find the allowed regions for the Dirac and Majorana phases. For a normal neutrino mass hierarchy, we find that the observed baryon asymmetry can be reproduced by a Dirac phase of around δCP 3π/2, which is strongly indicated by the recent T2K and NOνA data. For the case of inverted neutrino mass hierarchy, the predicted baryon asymmetry is not compatible with the observed value.},
doi = {10.1103/PhysRevD.98.035044},
journal = {Physical Review. D.},
number = 3,
volume = 98,
place = {United States},
year = {Thu Aug 30 00:00:00 EDT 2018},
month = {Thu Aug 30 00:00:00 EDT 2018}
}
https://doi.org/10.1103/PhysRevD.98.035044
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