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Measurement of the high-mass Drell-Yan differential cross-section in pp collisions at s=7TeV with the ATLAS detector
Journal article   Peer reviewed

Measurement of the high-mass Drell-Yan differential cross-section in pp collisions at s=7TeV with the ATLAS detector

G. Aad, T. Abajyan, B. Abbott, J. Abdallah, S. Abdel Khalek, A.A. Abdelalim, O. Abdinov, R. Aben, B. Abi, M. Abolins, …
Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics, Vol.725(4-5), pp.223-242
01/10/2013

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 4.9fb <sup>-1</sup> , the differential cross-section in the Z/γ <sup>*</sup> →e <sup>+</sup> e <sup>-</sup> channel is measured with the ATLAS detector as a function of the invariant mass, m <sub>ee</sub> , in the range 116<m <sub>ee</sub> <1500GeV, for a fiducial region in which both the electron and the positron have transverse momentum p <sub>T</sub> >25GeV and pseudorapidity |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.
url
https://doi.org/10.1016/j.physletb.2013.07.049View
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