Gamma-ray burst lensing parallax: Closing the primordial black hole dark matter mass window
Sunghoon Jung, TaeHun Kim
Abstract
This paper proposes a new gravitational lensing method that can probe the lightest possible primordial black hole dark matter. The scheme relies on measuring brightness differences in a gamma-ray burst as identified by spatially separated detectors.
Topics & Concepts
Primordial black holePhysicsDark matterAstrophysicsBlack hole (networking)Gravitational lensBrightnessWindow (computing)Strong gravitational lensingAstronomyWeak gravitational lensingClosing (real estate)Binary black holeGravitational lensing formalismCosmologyGravitationGamma-ray bursts and supernovaeDark Matter and Cosmic PhenomenaPulsars and Gravitational Waves Research