3 papers
astro-ph.IM2026
How Low Can We Go? Minimum Spectroscopic Requirements For Supernova Subtype Classification
Willow Fox Fortino, Federica B. Bianco, Maryam Modjaz +2
Millions of supernovae will be discovered with the Vera C. Rubin Observatory Legacy Survey of Space and Time (LSST). As a result, spectrographs around the world will have to make d…
astro-ph.CO2024
Primordial Black Holes and Second-order Gravitational Waves in Axion-like Hybrid Inflation
Waqas Ahmed, Anish Ghoshal, Umer Zubair
We investigate the possibility that primordial black holes (PBHs) can be formed from large curvature perturbations generated during the waterfall phase transition in a hybrid infla…
hep-ph2018
Gravity Waves and Proton Decay in Flipped SU(5) Hybrid Inflation Model
Mansoor Ur Rehman, Qaisar Shafi, Umer Zubair
We revisit supersymmetric hybrid inflation in the context of flipped model. With minimal superpotential and minimal Kähler potential, and soft SUSY masses of order $(1 - 10…