Seeking TeV-Scale Quantum Gravity at an $e \gamma$ collider
Dilip Kumar Ghosh, P. Poulose, and K. Sridhar
TL;DR
This paper investigates the potential of future $e \, \gamma$ colliders to detect TeV-scale quantum gravity effects predicted by theories with large extra dimensions, focusing on the production of spin-2 Kaluza-Klein excitations.
Contribution
It introduces a study of Kaluza-Klein graviton production at $e \, \gamma$ colliders, providing predictions for testing large extra dimension theories at TeV energies.
Findings
Possible to test theories with effective string scale 1-7 TeV
Production of spin-2 Kaluza-Klein excitations analyzed
Results applicable for unpolarised and polarised collider modes
Abstract
Theories with large extra compact dimensions predict exciting phenomenological consequences at the TeV scale. Such theories can, consequently, be tested/verified in experiments at future colliders like the Next Linear Collider (NLC). In this paper, we study the production of the spin-2 Kaluza-Klein excitations in NLC operating in the mode. Results for unpolarised and polarised cases are presented and it is shown that it is possible to use this process to test these theories to values of the effective string scale between about 1 - 7 TeV.
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