Transient pulses from exploding primordial black holes as a signature of an extra dimension

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2008-11-01
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IOP Publishing
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 ∼ 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 (∼0.1 TeV), enabling comparison with the Large Hadron Collider.

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Astronomy & Astrophysics, Physics, Particles & Fields, Physics, black holes, extra dimensions, quantum gravity phenomenology, GAMMA-RAYS, P-BRANES, STRINGS, PHYSICS, BURSTS, SEARCH, INSTABILITY, RELATIVITY, HIERARCHY, EMISSION
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