Transplanckian scattering at the LHC and beyond

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• Helen Vryonidou (Cambridge)
• Thursday 09 June 2011, 16:00-17:00
• MR13, CMS.

If you have a question about this talk, please contact Steve Chun Hay Kom.

In the region of high centre-of-mass energies and small momentum transfers, gravitational scattering can be studied within the eikonal approximation. In this talk I will review the calculation of the eikonal amplitude for transplanckian scattering within flat extra-dimensional theories. I will discuss the relevant phenomenology at the LHC and the proposed high-energy upgrade(HE LHC ), considering the appropriate kinematic regions for the eikonal approximation to be valid and maximising the signal to background ratio. I will also comment on the computability of the eikonal signal comparing the calculable regions at the LHC and HE LHC . Based on arXiv:1102.3844.

This talk is part of the HEP phenomenology joint Cavendish-DAMTP seminar series.

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