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Models of induced-gravity inflation are formulated within Supergravity employing as inflaton the Higgs field which leads to a spontaneous breaking of a \(U(1)_{B-L}\) symmetry at \(M_\mathrm{GUT}=2\cdot 10^{16}~{\mathrm{GeV}}\). We use a renormalizable superpotential, fixed by a U(1) R symmetry, and Kähler potentials which exhibit a quadratic non-minimal coupling to gravity with...

Unified theories of strong, weak and electromagnetic interactions which have electric charge quantization predict the existence of topologically stable magnetic monopoles. Intermediate scale monopoles are comparable with detection energies of cosmic ray monopoles at IceCube and other cosmic ray experiments. Magnetic monopoles in some models can be significantly lighter and carry...

Motivated by the di-photon excess at 750 GeV reported by the ATLAS and CMS experiments, we present an F-theory inspired flipped \(\mathrm{SO}(10)\) model embedded in \(\mathcal{E}_6\). The low energy spectrum includes the three MSSM chiral families, vector-like colour triplets, several pairs of charged \(\mathrm{SU}(2)_L\) singlet fields \((E^c, \bar{E}^c)\), as well as MSSM...

Turk J Phys
The observational status of simple in ationary models: an update
Nobuchika OKADA 0
Vedat Nefer SENOGUZ 1
**Qaisar** **SHAFI** 2
0 Department of Physics and Astronomy, University of Alabama

We consider two distinct classes of Yukawa unified supersymmetric SO(10) models with non-universal and universal soft supersymmetry breaking (SSB) gaugino masses at M GUT. In both cases, we assume that the third family SSB sfermion masses at M GUT are different from the corresponding sfermion masses of the first two families (which are equal). For the SO(10) model with...

We study the implications for bounds on the top quark pole mass m t in models with low scale supersymmetry following the discovery of the Standard Model-like Higgs boson. In the minimal supersymmetric standard model, we find that m t ≥ 164 GeV, if the light CP even Higgs boson mass m h = 125 ± 2 GeV. We also explore the top quark and Higgs boson masses in two classes of...

We consider supersymmetric unification based on the gauge symmetry SU(3)C ×SU(3)L ×SU(3)R supplemented by an anomalous U(1)A gauge symmetry. Fermion masses and mixings consistent with experiments are realized, including large mixings in the neutrino sector. We also consider the supersymmetric flavor problem, gauge coupling unification and proton decay. The dominant proton decay...