Search for Large Extra Dimensions in the Diphoton Final State at the Large Hadron Collider

Details Search for Large Extra Dimensions in the Diphoton Final State at the Large Hadron Collider Search for Large Extra Dimensions in the Diphoton Final State at the Large Hadron Collider

2011-03-22

arxiv.org/abs/1103.4279v1

JHEP05(2011)085

Physics

High Energy Physics

High Energy Physics - Experiment

Scientific paper

10.1007/JHEP05(2011)085

A search for large extra spatial dimensions via virtual-graviton exchange in the diphoton channel has been carried out with the CMS detector at the LHC. No excess of events above the standard model expectations is found using a data sample collected in proton-proton collisions at sqrt(s) = 7 TeV and corresponding to an integrated luminosity of 36 inverse picobarns. New lower limits on the effective Planck scale in the range of 1.6-2.3 TeV at the 95% confidence level are set, providing the most restrictive bounds to date on models with more than two large extra dimensions.

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