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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

CollaborationWith : Abdelalim Aly, Ahmed Aly / Alexandre, Gauthier / Backes, Moritz / Barone, Gaetano / Bell, Paul / Bell, William / Benhar Noccioli, Eleonora / Blondel, Alain / Bucci, Francesca / Clark, Allan Geoffrey / Dao, Valerio / Doglioni, Caterina / Ferrere, Didier / Gadomski, Szymon / Gonzalez Sevilla, Sergio / Goulette, Marc / Iacobucci, Giuseppe / La Rosa, Alessandro / Lister, Alison / Martin Dit Latour, Bertrand / Mermod, Philippe / Mora Herrera, Maria Clemencia Rosario / Nektarijevic, Snezana / Nikolics, Katalin / Pasztor, Arpad / Picazio, Attilio / Pohl, Martin / Rosbach, Kilian / Rosselet, Laurent / Wu, Xin
Published in Physics Letters. B. 2013, vol. 719, no. 4-5, p. 242-260
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.
Keywords ExoticsZ’DitauResonanceSearch
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ATLAS COLLABORATION. A search for high-mass resonances decaying to τ+τ in pp collisions at √s=7 TeV with the ATLAS detector. In: Physics Letters. B, 2013, vol. 719, n° 4-5, p. 242-260. https://archive-ouverte.unige.ch/unige:40037

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Deposited on : 2014-09-08

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