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Black hole production and large extra dimensions.

Kingman Cheung¹

¹National Center for Theoretical Sciences, National Tsing Hua University, Hsinchu, Taiwan, Republic of China. cheung@phys.cts.nthu.edu.tw

Physical Review Letters

|June 13, 2002

Summary

Researchers explored black hole production at colliders, identifying unique signatures from their decay. These signatures, involving high-energy particles, could help detect black holes in particle physics experiments.

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Area of Science:

High-energy particle physics
Theoretical physics
Cosmology

Background:

Black hole production at colliders is theoretically possible at the TeV scale in models with large extra dimensions.
Collider experiments offer a potential avenue to probe physics beyond the Standard Model, including phenomena like black hole creation.

Purpose of the Study:

To investigate the production mechanisms of black holes at particle colliders.
To identify and characterize the distinctive signatures resulting from black hole decay events.
To explore the feasibility of detecting such events in collider data.

Main Methods:

Analysis of " ij-->BH+others" subprocesses for black hole production.
Simulation of black hole decay signatures, focusing on particle multiplicity and transverse momentum.
Identification of specific event characteristics, such as boosted spherical particle distributions and high-transverse-momentum partons.

Main Results:

Black hole production can occur when colliding energies exceed the Planck scale, effectively at the TeV scale in specific theoretical models.
Black hole decay produces a unique signature: a high-multiplicity, spherical particle distribution on one side of the event, balanced by a few high-transverse-momentum partons on the other.
These distinct features serve as valuable "tags" for identifying black hole events in collider data.

Conclusions:

The study highlights specific, detectable signatures for black hole production at colliders.
The identified signatures, characterized by particle multiplicity and momentum distributions, offer a promising strategy for experimental searches.
This research contributes to the ongoing quest for physics beyond the Standard Model and the exploration of high-energy phenomena.

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