Reference : Anomaly-free chiral fermion sets and gauge coupling unification
Scientific congresses and symposiums : Paper published in a journal
Physical, chemical, mathematical & earth Sciences : Physics
http://hdl.handle.net/2268/201601
Anomaly-free chiral fermion sets and gauge coupling unification
English
Da Silva Simoes, Catarina mailto [Université de Liège > Département d'astrophys., géophysique et océanographie (AGO) > Inter. fondamentales en physique et astrophysique (IFPA) >]
2015
Journal of Physics: Conference Series
Institute of Physics
Yes (verified by ORBi)
International
1742-6588
1742-6596
Bristol
United Kingdom
4th Symposium on Prospects in the Physics of Discrete Symmetries (DISCRETE2014)
from 02-12-2014 to 06-12-2014
[en] In this work we search for minimal sets of chiral fermions, with arbitrary quantum numbers, beyond the Standard Model that are anomaly-free and lead to vector-like particles
under SU(3) and U(1)_em after symmetry breaking. We further study which of these anomaly free
sets lead to unification of the gauge couplings at energy scales higher that 5.0×10^15 GeV in
order to be consistent with proton decay bounds. A similar study is performed in the context of
the SU(5) gauge group; for some of the anomaly-free sets found it is possible to obtain unification
of the gauge couplings with the extra fermions decoupling at high intermediate scales.
http://hdl.handle.net/2268/201601

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