Towards Realistic SUSY Grand Unification for Extended MSSM
arXiv:1809.08724 · doi:10.1103/PhysRevD.99.075033
Abstract
Low-energy supersymmetric models such as MSSM, NMSSM and MSSM with vectorlike fermion are consistent with perturbative unification. While the non-minimal extensions naturally explain Higgs mass and dark matter in the low energy region, it is unclear how seriously they are constrained in the ultraviolet region. Our study shows that , In the case of embedding MSSM into , the fit to SM fermion masses requires a singlet , which leads to unviable embedding of NMSSM into because such feeds singlet a mass of order unification scale as well. , Similar result holds in the case of embedding NMSSM into , where is replaced by some Higgs fields responsible for breaking. , On the contrary, for the embedding of MSSM with -dimensional vectorlike fermions into , the Higgs field responsible for the vectorlike mass of order TeV scale can evade those problems the singlet encounters because of an intermediate mass scale in the -dimensional Higgs field.
Revtex, 7 pages, 1 figure; v2: Minor changes, a reference added; v3: 8 pages, version accepted for publication
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