Signatures of gravitational fixed points at the Large Hadron Collider.
We study quantum-gravitational signatures at the CERN Large Hadron Collider (LHC) in the context of theories with extra spatial dimensions and a low fundamental Planck scale in the TeV range. Implications of a gravitational fixed point at high energies are worked out using Wilson's renormalization group. We find that relevant cross sections involving virtual gravitons become finite. Based on gravitational lepton pair production we conclude that the LHC is sensitive to a fundamental Planck scale of up to 6 TeV.
Department of Physics and Astronomy, University of Sussex, Brighton, BN1 9QH, United Kingdom.
Daniel F
DF
Litim
Tilman
T
Plehn