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Measurement of the W+W Cross Section in √s=7  TeV pp Collisions with ATLAS

CollaborationWith : Abdelalim Aly, Ahmed Aly / Alexandre, Gauthier / Backes, Moritz / Bell, Paul / Bell, William / Berglund, Frida Elina / Blondel, Alain / Bucci, Francesca / Clark, Allan Geoffrey / Dao, Valerio / Ferrere, Didier / Gadomski, Szymon / Garcia Navarro, Jose Enrique / Gaumer, Olivier / Gonzalez Sevilla, Sergio / Goulette, Marc / Hamilton, Andrew / Leger, Annie / Lister, Alison / Macina-Buono, Daniela / Martin Dit Latour, Bertrand / Mora Herrera, Maria Clemencia Rosario / Morone, Maria Cristina / Nektarijevic, Snezana / Pasztor, Arpad / Pohl, Martin / Robichaud-Veronneau, Andrée / Rosbach, Kilian / Rosselet, Laurent / Wu, Xin
Published in Physical Review Letters. 2011, vol. 107, no. 04, p. 041802
Abstract This Letter presents a measurement of the W+W− production cross section in √s=7  TeV pp collisions by the ATLAS experiment, using 34  pb−1 of integrated luminosity produced by the Large Hadron Collider at CERN. Selecting events with two isolated leptons, each either an electron or a muon, 8 candidate events are observed with an expected background of 1.7±0.6 events. The measured cross section is 41+20−16(stat)±5(syst)±1(lumi)  pb, which is consistent with the standard model prediction of 44±3  pb calculated at next-to-leading order in QCD.
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ATLAS COLLABORATION. Measurement of the W+W Cross Section in √s=7  TeV pp Collisions with ATLAS. In: Physical Review Letters, 2011, vol. 107, n° 04, p. 041802. https://archive-ouverte.unige.ch/unige:41126

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Deposited on : 2014-10-24

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