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Search for large extra dimensions in the diphoton final state at the Large Hadron Collider

Abstract: 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 s?=7 TeV and corresponding to an integrated luminosity of 36 pb? 1. New lower limits on the effective Planck scale in the range of 1.6?2.3TeV at the 95% confidence level are set, providing the most restrictive bounds to date on models with more than two large extra dimensions.

Authorship: Chatrchyan S., Khachatryan V., Sirunyan A.M., Tumasyan A., Adam W., Bergauer T., Dragicevic M., Erö J., Fabjan C., Friedl M., Frühwirth R., Ghete V.M., Hammer J., Hänsel S., Hoch M., Hörmann N., Hrubec J., Jeitler M., Kasieczka G., Kiesenhofer W., Krammer M., Liko D., Mikulec I., Pernicka M., Rohringer H., Schöfbeck R., Strauss J., Teischinger F., Wagner P., Waltenberger W., Walzel G., Widl E., Wulz C.E., Mossolov V., Shumeiko N

Fuente: Journal of High Energy Physics, 2011, 2011(5), 085

Publisher: Springer Verlag

Publication date: 01/05/2011

No. of pages: 29

Publication type: Article

DOI: 10.1007/JHEP05(2011)085

ISSN: 1126-6708,1029-8479

Publication Url: https://doi.org/10.1007/JHEP05(2011)085

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