Spacetime foam at a TeV

Details Spacetime foam at a TeV Spacetime foam at a TeV

2006-10-02

arxiv.org/abs/hep-ph/0610025v1

J.Phys.Conf.Ser.60:191-194,2007

Physics

High Energy Physics

High Energy Physics - Phenomenology

Talk given at TeV Particle Astrophysics II (Madison WI, 28-31 August 2006). To be published in J. Phys. Conf. Ser

Scientific paper

10.1088/1742-6596/60/1/039

Motivated by recent interest in TeV-scale gravity and especially by the possibility of fast baryon decay mediated by virtual black holes, we study another dangerous aspect of spacetime foam interactions: lepton flavor violation. We correlate existing limits on gravity-induced decoherence in the neutrino sector with a lower bound on the scale of quantum gravity, and find that if spacetime foam interactions do not allow an S-matrix description the UV cutoff is well beyond the electroweak scale. This suggests that string theory provides the appropriate framework for description of quantum gravity at the TeV-scale.

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