Single Photon Signals for Warped Quantum Gravity at a Linear e+-e- Collider

Kanpur); Santosh Kumar Rai; Sreerup Raychaudhuri (IIT

Single Photon Signals for Warped Quantum Gravity at a Linear e+-e- Collider

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arxiv hep-ph/0307096 v3 pith:7ID5C6LM submitted 2003-07-07 hep-ph

Santosh Kumar Rai , Sreerup Raychaudhuri (IIT , Kanpur) This is my paper

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We study the `single photon' process e+- e- -> gamma nu nubar with contributions due to exchange of massive gravitons in the Randall- Sundrum model of low-scale quantum gravity. It is shown that for significant regions in the parameter space, this process unambiguously highlights the resonance structure of the graviton sector. Even in the non-resonant part of the parameter space, we show that comparison with the benchmark process e+- e- -> mu+- mu- can clearly distinguish signals for warped gravity from similar signals for large extra dimensions.

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