3 papers
hep-ph2026
Black hole scalar sirens in the Milky Way
Daniel Gavilan-Martin, Olivier Simon, Dhashin Krishna +3
Hypothetical light scalar particles trigger the superradiant instability around spinning black holes (BHs), causing clouds of scalars to grow around the BH. In the presence of suff…
hep-ph2025
limits from Super-Kamiokande on dark matter-electron scattering in the Sun
Dhashin Krishna, Rinchen Sherpa, Akash Kumar Saha +3
Particle dark matter scattering on electrons in the Sun may gravitationally capture and self-annihilate inside it to neutrinos and anti-neutrinos, or other final states that in tur…
astro-ph.IM2024
Detecting cosmological recombination lines with a non-ideal antenna -- a first step to practical realization
Dhashin Krishna, Mayuri Sathyanarayana Rao
Photons emitted during the formation of primordial hydrogen and helium atoms over the Epoch of Recombination are expected to be preserved as additive distortions to the Cosmic Micr…