Early Run 2 Hard QCD Results from the ATLAS Collaboration
1 The University of Hong Kong, Department of Physics, Hong Kong
2 Aristotle University of Thessaloniki, Laboratory of Nuclear and Particle Physics, Thessaloniki, Greece, 54124
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Published online: 4 July 2016
We provide an overview of hard QCD results based on data collected with the ATLAS detector in proton-proton collision at √s = 13 TeV at the Large Hadron Collider. The production of high transverse momentum jets, photons and photon-pairs were studied; the inclusive jet cross section is found to agree well with the prediction of perturbative QCD calculations performed at next-to-leading accuracy. The production cross sections for W and Z bosons in their e and μ decays was measured; in general, agreement is found with the expectation of next-to-next-to leading order QCD calculations and interesting sensitivities to the proton structure functions are already observed. The top production cross sections were measured in different top decay channels and found to agree with the state of the art QCD predictions.
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