Black hole supercolliders
Andrew Mummery, Joseph Silk

TL;DR
This paper proposes that natural collisions near near-extremal Kerr black holes can serve as cosmic supercolliders, reaching energies of tens to hundreds of TeV, potentially revealing new physics.
Contribution
It introduces a natural astrophysical mechanism for ultra-high-energy particle collisions near black holes, expanding the concept of particle accelerators beyond human-made devices.
Findings
Collisions near near-extremal Kerr black holes can reach 10s to 100s of TeV energies.
Such collisions occur naturally from particles falling from infinity and orbiting material.
This process provides a potential natural laboratory for high-energy physics.
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 's to 's of teraelectronvolt range, in other words a supercollider.
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Taxonomy
TopicsParticle physics theoretical and experimental studies · Black Holes and Theoretical Physics · Particle Accelerators and Free-Electron Lasers
