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A search for high-mass resonances decaying to tau(+)tau(-) in pp collisions at root s=7 TeV with the ATLAS detector

Aad, G. ; Abajyan, T. ; Abbott, B. ; Abdallah, J. ; Khalek, S. Abdel ; Abdelalim, A. A. ; Abdinov, O. ; Aben, R. ; Abi, B. and Abolins, M. , et al. (2013) In Physics Letters. Section B: Nuclear, Elementary Particle and High-Energy Physics 719(4-5). p.242-260
Abstract
This Letter presents a search for high-mass resonances decaying into tau(+)tau(-) final states using proton-proton collisions at root s = 7 TeV produced by the Large Hadron Collider. The data were recorded with the ATLAS detector and correspond to an integrated luminosity of 4.6 fb(-1). No statistically significant excess above the Standard Model expectation is observed; 95% credibility upper limits are set on the cross section times branching fraction of Z' resonances decaying into tau(+)tau(-) pairs as a function of the resonance mass. As a result, Z' bosons of the Sequential Standard Model with masses less than 1.40 TeV are excluded at 95% credibility. (c) 2013 CERN. Published by Elsevier B.V. All rights reserved.
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