Leptogenesis in five-dimensional asymptotic grand unification models

Timothé Alezraa; Giacomo Cacciapaglia; Aldo Deandrea

doi:10.1007/JHEP08(2025)162

Leptogenesis in five-dimensional asymptotic grand unification models

Timothé Alezraa^*
, Giacomo Cacciapaglia
, Aldo Deandrea

^*Corresponding author for this work

Claude Bernard University Lyon 1
LPTHE
University of Johannesburg

Research output: Contribution to journal › Journal article › Research › peer-review

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Abstract

Asymptotic grand unification models can be constructed in five dimensions compactified on an orbifold. We demonstrate that the parameter space of such models admit solutions that naturally achieve the baryon asymmetry via leptogenesis, these solutions indicating that the scale of the extra dimensions is much higher than the TeV scale.

Original language	English
Article number	162
Journal	Journal of High Energy Physics
Volume	2025
Issue number	8
Number of pages	17
ISSN	1126-6708
DOIs	https://doi.org/10.1007/JHEP08(2025)162
Publication status	Published - Aug 2025

Keywords

Baryo-and Leptogenesis
Extra Dimensions
Grand Unification
Sterile or Heavy Neutrinos

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10.1007/JHEP08(2025)162Licence: CC BY

Open Access VersionFinal published version, 676 KBLicence: CC BY

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title = "Leptogenesis in five-dimensional asymptotic grand unification models",

abstract = "Asymptotic grand unification models can be constructed in five dimensions compactified on an orbifold. We demonstrate that the parameter space of such models admit solutions that naturally achieve the baryon asymmetry via leptogenesis, these solutions indicating that the scale of the extra dimensions is much higher than the TeV scale.",

keywords = "Baryo-and Leptogenesis, Extra Dimensions, Grand Unification, Sterile or Heavy Neutrinos",

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AU - Cacciapaglia, Giacomo

AU - Deandrea, Aldo

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N2 - Asymptotic grand unification models can be constructed in five dimensions compactified on an orbifold. We demonstrate that the parameter space of such models admit solutions that naturally achieve the baryon asymmetry via leptogenesis, these solutions indicating that the scale of the extra dimensions is much higher than the TeV scale.

AB - Asymptotic grand unification models can be constructed in five dimensions compactified on an orbifold. We demonstrate that the parameter space of such models admit solutions that naturally achieve the baryon asymmetry via leptogenesis, these solutions indicating that the scale of the extra dimensions is much higher than the TeV scale.

KW - Baryo-and Leptogenesis

KW - Extra Dimensions

KW - Grand Unification

KW - Sterile or Heavy Neutrinos

U2 - 10.1007/JHEP08(2025)162

DO - 10.1007/JHEP08(2025)162

M3 - Journal article

AN - SCOPUS:105013987782

SN - 1126-6708

VL - 2025

JO - Journal of High Energy Physics

JF - Journal of High Energy Physics

IS - 8

M1 - 162

ER -

Leptogenesis in five-dimensional asymptotic grand unification models

Abstract

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