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Black Hole Supercolliders

Mummery A, Silk J

Physical review letters, 2025

Abstract

We show that collisions between particles free falling from infinity and a disk of material plunging off the retrograde innermost stable circular orbit of a near-extremal Kerr black hole is the unique astronomically natural way in which to create a gravitational particle accelerator with center of mass energies at the tens to hundreds of teraelectronvolt range; in other words, a supercollider.

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