Black Hole Explosions as Probes of New Physics

TL;DR

This paper explores how black hole evaporation signals, especially in gamma rays, can reveal new physics beyond the Standard Model, including quantum gravity effects and exotic particles.

Contribution

It provides new analytical methods to interpret black hole evaporation lightcurves for detecting beyond-Standard-Model physics.

Findings

Black hole lightcurves can encode information about quantum gravity effects.

Correlating multi-energy gamma-ray observations enhances detection of new physics.

Analytical insights link evaporation signals to properties of exotic particles.

Abstract

The final stage of black hole evaporation is a potent probe of physics beyond the Standard Model: Hawking-Bekenstein radiation may be affected by quantum gravity "memory burden effects", or by the presence of "dark", beyond-the-Standard-Model degrees of freedom in ways that are testable with high-energy gamma-ray observations. We argue that information on either scenario can best be inferred from measurements of the evaporation's lightcurve and by correlating observations at complementary energies. We offer several new analytical insights in how such observations map on the fundamental properties of the evaporating black holes and of the possible exotic particles they can evaporate into.