Physics – High Energy Physics – High Energy Physics - Phenomenology
Scientific paper
2000-01-25
Int.J.Mod.Phys. A15 (2000) 2613-2622
Physics
High Energy Physics
High Energy Physics - Phenomenology
Latex, 11 pages, 9 figures. Invited talk at e-e- 99, 3rd International Workshop on Electron-Electron Interactions at TeV Energ
Scientific paper
We study the processes \gamma \e -> \gamma \e and \gamma \gamma -> \gamma \gamma, in the context of the proposal for Weak Scale Quantum Gravity (WSQG) with large extra dimensions. With an ultraviolet cutoff $M_S \sim 1$ TeV for the effective gravity theory, the cross sections obtained for these processes at the Next Linear Collider (NLC), with the \e \gamma an \gamma \gamma options, deviate from the predictions of the Standard Model significantly. Our results suggest that, for typical proposed NLC energies and luminosities, the predictions of WSQG can be tested in the range 1 TeV \lsim M_S \lsim 10 TeV, making \e \gamma an \gamma \gamma colliders important tools for probing WSQG.
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