32 citations · 160 across the 17 of their papers we have counts for
3 papers · 1 filter
Inflation, superheavy metastable strings and gravitational waves in non-supersymmetric flipped SU(5)
George Lazarides, Rinku Maji, Ahmad Moursy +1
Motivated by the NANOGrav 15 year data and other recent investigations of stochastic gravitational background radiation based on pulsar timing arrays, we show how superheavy string…
Semi-visible dark photon in a model with vector-like leptons for the and -boson mass anomalies
Waleed Abdallah, Mustafa Ashry, Junichiro Kawamura +1
We propose a model realizes that a semi-visible dark photon which can contribute to the anomalous magnetic moment () of both electron and muon. In this model, the electron $g-…
Cosmological probes of Grand Unification: Primordial Blackholes & scalar-induced Gravitational Waves
Anish Ghoshal, Ahmad Moursy, Qaisar Shafi
We investigate the inflationary cosmology involving an SU(5) GUT (grand unified theory) singlet scalar with non-minimal coupling to the Ricci scalar. In this scenario the scale of…