Signatures of lower scale gauge coupling unification in the Standard Model due to extended Higgs sector

Abstract

The gauge coupling unification can be achieved at a unification scale around 5 x 10^{13} GeV if the Standard Model scalar sector is extended with extra Higgs-like doublets. The relevant new scalar degrees of freedom in the form of chiral Z* and W* vector bosons might "be visible" already at about 700 GeV. Their eventual preferred coupling to the heavy quarks explains the non observation of these bosons in the first LHC run and provides promising expectation for the second LHC run.

4 pages, 3 figures

References in corpus (4)

• Big-Bang Nucleosynthesis
• Search for the Standard Model Higgs boson produced in association with top quarks and decaying into $b\bar{b}$ in pp collisions at $\sqrt{s}$ = 8 TeV with the ATLAS detector
• Precision measurements constraints on the number of Higgs doublets
• Confronting Four Zero Neutrino Yukawa Textures with $N_2^{}$-dominated Leptogenesis