254 citations · 3.8k across the 106 of their papers we have counts for
107 papers
Flash from the Past: New Gamma-Ray Constraints on Light CP-even Scalar from SN1987A
Yue Yu, Writasree Maitra, P. S. Bhupal Dev +4
We derive new constraints on light CP-even scalars using old gamma-ray observations in the direction of SN1987A by the Solar Maximum Mission (SMM) satellite. Light scalars can be a…
A Precise Fitting Formula for Gravitational Wave Spectra from Phase Transitions
Huai-ke Guo, Fazlollah Hajkarim, Kuver Sinha +2
Obtaining a precise form for the predicted gravitational wave (GW) spectrum from a phase transition is a topic of great relevance for beyond Standard Model (BSM) physicists. Curren…
New Constraints on Axion-Like Particles from IXPE Polarization Data for Magnetars
Ephraim Gau, Fazlollah Hajkarim, Steven P. Harris +4
We derive new constraints on axion-like particles (ALPs) using precision -ray polarization studies of magnetars. Specifically, we use the first detection of polarized -rays f…
Multi-component Dark Matter and Small Scale Structure Formation
Robert Wiley Deal, Kishan Sankharva, Kuver Sinha +1
We consider the evolution of non-thermal dark matter perturbations in models which contain both Weakly Interacting Massive Particles (WIMPs) and axions. Using constraints from exis…
Did we hear the sound of the Universe boiling? Analysis using the full fluid velocity profiles and NANOGrav 15-year data
Tathagata Ghosh, Anish Ghoshal, Huai-Ke Guo +5
In this paper, we analyse sound waves arising from a cosmic phase transition where the full velocity profile is taken into account as an explanation for the gravitational wave spec…
First Constraints on the Photon Coupling of Axion-like Particles from Multimessenger Studies of the Neutron Star Merger GW170817
P. S. Bhupal Dev, Jean-François Fortin, Steven P. Harris +2
We use multimessenger observations of the neutron star merger event GW170817 to derive new constraints on axion-like particles (ALPs) coupling to photons. ALPs are produced via Pri…