Quantum black holes with charge, colour, and spin at the LHC

Details Quantum black holes with charge, colour, and spin at the LHC Quantum black holes with charge, colour, and spin at the LHC

2009-12-04

arxiv.org/abs/0912.0826v4

J. Phys. G: Nucl. Part. Phys. 37 (2010) 105008

Physics

High Energy Physics

High Energy Physics - Phenomenology

bugs in some branching fractions fixed, updates based on comments

Scientific paper

In low-scale gravity scenarios, quantum black holes could be produced at the Large Hadron Collider (LHC) provided the Planck scale is not higher than a few TeV. Based on fundamental principles and a few basic assumptions, we have constructed a model for quantum black hole production and decay in proton-proton collisions. By performing a detailed particle-level simulation at LHC energies, we have estimated cross sections and branching fractions for final-state particle topologies that would uniquely identify quantum black holes in LHC detectors. If the Planck scale is about a TeV, even with the most pessimistic assumptions, the rates for quantum black hole production are estimated to be above backgrounds, and some of the final-particle states are not found in Standard Model processes. Our results could form the starting point for a detailed investigation of quantum black holes by the LHC experiments.

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