Unification of gauge and Yukawa couplings

Unification of gauge and Yukawa couplings

The unification of gauge and top Yukawa couplings is an attractive feature of gauge-Higgs unification models in extra-dimensions. This feature is usually considered difficult to obtain based on simple group theory analyses. We reconsider a minimal toy model including the renormalisation group runnin...

Full description

Bibliographic Details
Main Authors: Ammar Abdalgabar, Mohammed Omer Khojali, Alan S. Cornell, Giacomo Cacciapaglia, Aldo Deandrea
Format: Article
Language:English
Published: Elsevier 2018-01-01
Series:Physics Letters B
Online Access:http://www.sciencedirect.com/science/article/pii/S0370269317309255
id doaj-64a2e092d668462fa5388aec1ff6a4ad
record_format Article
spelling doaj-64a2e092d668462fa5388aec1ff6a4ad2020-11-24T22:30:09ZengElsevierPhysics Letters B0370-26931873-24452018-01-01776C23123510.1016/j.physletb.2017.11.033Unification of gauge and Yukawa couplingsAmmar Abdalgabar0Mohammed Omer Khojali1Alan S. Cornell2Giacomo Cacciapaglia3Aldo Deandrea4Department of Physics, Sudan University of Science and Technology, Khartoum 407, SudanNational Institute for Theoretical Physics; School of Physics, University of the Witwatersrand, Wits 2050, South AfricaNational Institute for Theoretical Physics; School of Physics, University of the Witwatersrand, Wits 2050, South AfricaUniversité de Lyon, Université Lyon 1, CNRS/IN2P3, UMR5822 IPNL, F-69622 Villeurbanne, FranceUniversité de Lyon, Université Lyon 1, CNRS/IN2P3, UMR5822 IPNL, F-69622 Villeurbanne, FranceThe unification of gauge and top Yukawa couplings is an attractive feature of gauge-Higgs unification models in extra-dimensions. This feature is usually considered difficult to obtain based on simple group theory analyses. We reconsider a minimal toy model including the renormalisation group running at one loop. Our results show that the gauge couplings unify asymptotically at high energies, and that this may result from the presence of an UV fixed point. The Yukawa coupling in our toy model is enhanced at low energies, showing that a genuine unification of gauge and Yukawa couplings may be achieved.http://www.sciencedirect.com/science/article/pii/S0370269317309255
collection DOAJ
language English
format Article
sources DOAJ
author Ammar Abdalgabar
Mohammed Omer Khojali
Alan S. Cornell
Giacomo Cacciapaglia
Aldo Deandrea
spellingShingle Ammar Abdalgabar
Mohammed Omer Khojali
Alan S. Cornell
Giacomo Cacciapaglia
Aldo Deandrea
Unification of gauge and Yukawa couplings
Physics Letters B
author_facet Ammar Abdalgabar
Mohammed Omer Khojali
Alan S. Cornell
Giacomo Cacciapaglia
Aldo Deandrea
author_sort Ammar Abdalgabar
title Unification of gauge and Yukawa couplings
title_short Unification of gauge and Yukawa couplings
title_full Unification of gauge and Yukawa couplings
title_fullStr Unification of gauge and Yukawa couplings
title_full_unstemmed Unification of gauge and Yukawa couplings
title_sort unification of gauge and yukawa couplings
publisher Elsevier
series Physics Letters B
issn 0370-2693
1873-2445
publishDate 2018-01-01
description The unification of gauge and top Yukawa couplings is an attractive feature of gauge-Higgs unification models in extra-dimensions. This feature is usually considered difficult to obtain based on simple group theory analyses. We reconsider a minimal toy model including the renormalisation group running at one loop. Our results show that the gauge couplings unify asymptotically at high energies, and that this may result from the presence of an UV fixed point. The Yukawa coupling in our toy model is enhanced at low energies, showing that a genuine unification of gauge and Yukawa couplings may be achieved.
url http://www.sciencedirect.com/science/article/pii/S0370269317309255
work_keys_str_mv AT ammarabdalgabar unificationofgaugeandyukawacouplings
AT mohammedomerkhojali unificationofgaugeandyukawacouplings
AT alanscornell unificationofgaugeandyukawacouplings
AT giacomocacciapaglia unificationofgaugeandyukawacouplings
AT aldodeandrea unificationofgaugeandyukawacouplings
_version_ 1725741702829834240

Similar Items