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Dynamics of isolated-photon plus jet production 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 Nuclear Physics. B. 2013, vol. 875, no. 3, p. 483-535
Abstract The dynamics of isolated-photon plus jet production in pp collisions at a centre-of-mass energy of 7 TeV has been studied with the ATLAS detector at the LHC using an integrated luminosity of 37 pb−137 pb−1. Measurements of isolated-photon plus jet bin-averaged cross sections are presented as functions of photon transverse energy, jet transverse momentum and jet rapidity. In addition, the bin-averaged cross sections as functions of the difference between the azimuthal angles of the photon and the jet, the photon–jet invariant mass and the scattering angle in the photon–jet centre-of-mass frame have been measured. Next-to-leading-order QCD calculations are compared to the measurements and provide a good description of the data, except for the case of the azimuthal opening angle.
Keywords QCDPhotonJet
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ATLAS COLLABORATION. Dynamics of isolated-photon plus jet production in pp collisions at √s=7 TeV with the ATLAS detector. In: Nuclear Physics. B, 2013, vol. 875, n° 3, p. 483-535. https://archive-ouverte.unige.ch/unige:38866

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Deposited on : 2014-07-22

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