Compton Scattering at the NLC and Large Extra Dimensions

Abstract

We study Compton scattering, gamma e -> gamma e, in the context of the recent proposal for Weak Scale Quantum Gravity (WSQG) with large extra dimensions. It is shown that, with an ultraviolet cutoff $M_S\sim 1$ TeV for the effective gravity theory, the cross section for this process at the Next Linear Collider (NLC) deviates from the prediction of the Standard Model significantly. Our results suggest that, for typical proposed NLC energies and luminosities, WSQG can be tested in the range 4 TeV$\lsim M_S \lsim$ 16 TeV, making gamma e -> gamma e an important test channel.

Latex, 15 pages, 7 figures. New results, figures, and references added

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• Drell-Yan and Diphoton production at Hadron Colliders and Low Scale Gravity Model
• Dijet Production at Hadron Colliders in Theories with Large Extra Dimensions
• Graviton emission from a soft brane
• Physics Opportunities with a TeV Linear Collider
• Unparticle Searches Through Compton Scattering
• Indirect Signatures of CP Violation in the Processes $\gamma \gamma \to \gamma \gamma$, $\gamma Z$, and $ZZ$
• Extra-dimensional gravity and dijet production at gamma gamma colliders
• QCD Corrections to $\gamma \gamma \to ZZ$ at Small Scattering Angles
• TeV-scale electron Compton scattering in the Randall-Sundrum scenario
• Quantization and High Energy Unitarity in Orbifold Theories