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Measurement of the high-mass Drell–Yan differential cross-section 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 / Bucci, Francesca / Camacho Toro, Reina / Clark, Allan Geoffrey / Doglioni, Caterina / Ferrere, Didier / Gadomski, Szymon / Gonzalez Sevilla, Sergio / Goulette, Marc / Guescini, Francesco / Iacobucci, Giuseppe / La Rosa, Alessandro / Martin Dit Latour, Bertrand / Mermod, Philippe / Mora Herrera, Maria Clemencia Rosario / Nektarijevic, Snezana / Nikolics, Katalin / Pasztor, Arpad / Picazio, Attilio / Pohl, Martin / Rosbach, Kilian / Wu, Xin
Published in Physics Letters. B. 2013, vol. 725, no. 4-5, p. 223-242
Abstract This Letter reports a measurement of the high-mass Drell–Yan differential cross-section in proton–proton collisions at a centre-of-mass energy of 7 TeV at the LHC. Based on an integrated luminosity of 4.9 fb−14.9 fb−1, the differential cross-section in the Z/γ*→e+e−Z/γ*→e+e− channel is measured with the ATLAS detector as a function of the invariant mass, meemee, in the range 116<mee<1500 GeV116<mee<1500 GeV, for a fiducial region in which both the electron and the positron have transverse momentum pT>25 GeVpT>25 GeV and pseudorapidity |η|<2.5|η|<2.5. A comparison is made to various event generators and to the predictions of perturbative QCD calculations at next-to-next-to-leading order.
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ATLAS COLLABORATION. Measurement of the high-mass Drell–Yan differential cross-section in pp collisions at √s=7 TeV with the ATLAS detector. In: Physics Letters. B, 2013, vol. 725, n° 4-5, p. 223-242. https://archive-ouverte.unige.ch/unige:38940

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Deposited on : 2014-07-28

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