Transient Pulses from Exploding Primordial Black Holes as a Signature of an Extra Dimension

Abstract

An evaporating black hole in the presence of an extra spatial dimension would undergo an explosive phase of evaporation. We show that such an event, involving a primordial black hole, can produce a detectable, distinguishable electromagnetic pulse, signaling the existence of an extra dimension of size $L\sim 10^{-18}-10^{-20}$ m. We derive a generic relationship between the Lorentz factor of a pulse-producing "fireball" and the TeV energy scale. For an ordinary toroidally compactified extra dimension, transient radio-pulse searches probe the electroweak energy scale ($\sim$0.1 TeV), enabling comparison with the Large Hadron Collider.

arXiv comment11 pages, 1 figure; references added; typos corrected; clarifying remarks added near the end of section 1

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Cited by in corpus (20)

• Primordial Black Holes
• Fast radio bursts: the last sign of supramassive neutron stars
• Planck stars
• The Commensal Real-time ASKAP Fast Transients (CRAFT) survey
• Astrophysical Wormholes
• Primordial black hole constraints with Hawking radiation -- a review
• A sensitive search for wormholes
• Black string corrections in variable tension braneworld scenarios
• Limits on GRB Prompt Radio Emission Using the LWA1
• Transient Pulses from Exploding Primordial Black Holes as a Signature of an Extra Dimension
• Constraining the braneworld with gravitational wave observations
• Constraints on primordial black holes and curvature perturbations from the global 21cm signal
• A Precision Test for an Extra Spatial Dimension Using Black Hole--Pulsar Binaries
• Detection Rates for Surveys for Fast Transients with Next Generation Radio Arrays
• Measuring the last burst of non-singular black holes
• Searching for Transient Pulses with the ETA Radio Telescope
• Black hole dynamical evolution in a Lorentz-violating spacetime
• Constraining the Rate of Primordial Black-Hole Explosions and Extra Dimension Scale using a Low-Frequency Radio Antenna Array
• First Light for the First Station of the Long Wavelength Array
• Multimessenger search for evaporating primordial black holes