# Search for high-mass resonances decaying to dilepton final states in pp collisions at a center-of-mass energy of 7 TeV with the ATLAS detector

3 APC - Neutrinos
LPNHE - Laboratoire de Physique Nucléaire et de Hautes Énergies, APC - UMR 7164 - AstroParticule et Cosmologie
6 Laboratoire de Physique Corpusculaire
LPC - Laboratoire de Physique Corpusculaire - Clermont-Ferrand
Abstract : The ATLAS detector at the Large Hadron Collider is used to search for high-mass resonances decaying to an electron-positron pair or a muon-antimuon pair. The search is sensitive to heavy neutral Z' gauge bosons, Randall-Sundrum gravitons, Z* bosons, techni-mesons, Kaluza-Klein Z/gamma bosons, and bosons predicted by Torsion models. Results are presented based on an analysis of pp collisions at a center-of-mass energy of 7 TeV corresponding to an integrated luminosity of 4.9/fb in the dielectron channel and 5.0/fb in the dimuon channel. A Z' boson with Standard Model-like couplings is excluded at 95 percent confidence level for masses below 2.22 TeV. A Randall-Sundrum graviton with coupling k/Mbar = 0.1 is excluded at 95 percent confidence level for masses below 2.16 TeV. Limits on the other models are also presented, including Technicolor and Minimal Z' Models.
Type de document :
Article dans une revue
Journal of High Energy Physics, Springer, 2012, 11, pp.138. 〈10.1007/JHEP11(2012)138〉

http://hal.in2p3.fr/in2p3-00731511
Contributeur : Emmanuelle Vernay <>
Soumis le : jeudi 13 septembre 2012 - 08:28:24
Dernière modification le : mardi 22 mai 2018 - 21:48:05

### Citation

G. Aad, S. Albrand, Q. Buat, B. Clement, J. Collot, et al.. Search for high-mass resonances decaying to dilepton final states in pp collisions at a center-of-mass energy of 7 TeV with the ATLAS detector. Journal of High Energy Physics, Springer, 2012, 11, pp.138. 〈10.1007/JHEP11(2012)138〉. 〈in2p3-00731511〉

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