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A search for high-mass resonances decaying to τ+τ− in pp collisions at √s=7 TeV with the ATLAS detector

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Abstract

This Letter presents a search for high-mass resonances decaying into τ+τ− final states using proton-proton collisions at 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 τ+τ− 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.

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Aad, G., Abajyan, T., Abbott, B., Abdallah, J., Abdel Khalek, S., Abdelalim, A. A., … Zwalinski, L. (2013). A search for high-mass resonances decaying to τ+τ− in pp collisions at √s=7 TeV with the ATLAS detector. Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics, 719(4–5), 242–260. https://doi.org/10.1016/j.physletb.2013.01.040

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