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

Journal Article · Sun May 01 00:00:00 EDT 2011 · Journal of High Energy Physics (Online)

DOI:https://doi.org/10.1007/JHEP05(2011)085· OSTI ID:1155740

Chatrchyan, Serguei ^[1]

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1. Yerevan Physics Inst. (Armenia)

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.

• Research Organization: Fermi National Accelerator Lab. (FNAL), Batavia, IL (United States)
• Sponsoring Organization: USDOE Office of Science (SC), High Energy Physics (HEP)
• Contributing Organization: CMS Collaboration
• DOE Contract Number: AC02-07CH11359
• OSTI ID: 1155740
• Report Number(s): FERMILAB-PUB-11-754-CMS; CERN-PH-EP-2011-020; arXiv eprint number arXiv:1103.4279
• Journal Information: Journal of High Energy Physics (Online), Vol. 2011, Issue 5; ISSN 1029-8479
• Publisher: Springer Berlin
• Country of Publication: United States
• Language: English

Related Subjects

72 PHYSICS OF ELEMENTARY PARTICLES AND FIELDS