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Measurement of the production cross section for W-bosons in association with jets in $pp$ collisions at $\sqrt{s}=7$ TeV with the ATLAS detector

The ATLAS collaboration
Phys.Lett. B698 (2011) 325-345, 2011

Abstract (data abstract)
CERN-LHC. Measurement of the inclusive W+jets cross section in proton-proton collisions at centre-of-mass enrgy 7 TeV. The data, collected from March to August 2010 have an integrated luminosity of 1.3 pb-1, and have been corrected for all known detector effects and are quoted within limited and well defined ranges of jet and lepton kinematics. Jets were reconstructed using the anti-kT algoithm with radius parameter R = 0.4. The lepton energy is defined as the energy of the lepton after radiation plus the energy of all radiated photons within DeltaR=0.1 around the lepton. Additionally the distance from the lepton to the jet axis was required to have DeltaR=>0.5 and muons were isolated with DeltaR>0.2. Cross sections are presented, in both the electron and muon decay modes of the W, as a function of jet multiplicity and transverse momentum of both the leading and next-to-leading jets in the event. Where appropriate in the tables the second DSYS error is the luminosity uncertainty. Numerical values supplied by M Dunford.

  • Table 1

    Data from T 4,F 3

    10.17182/hepdata.57048.v1/t1

    The measured cross section times branching ratio for W+jets in the electron channel as a function of corrected jet multiplicity.

  • Table 2

    Data from T 4,F 3

    10.17182/hepdata.57048.v1/t2

    The measured cross section times branching ratio for W+jets in the muon channel as a function of corrected jet multiplicity.

  • Table 3

    Data from T 5,F 4

    10.17182/hepdata.57048.v1/t3

    The measured cross section ratio for W+jets in the electron channel as a function of corrected jet multiplicity.

  • Table 4

    Data from T 5,F 4

    10.17182/hepdata.57048.v1/t4

    The measured cross section ratio for W+jets in the muon channel as a function of corrected jet multiplicity.

  • Table 5

    Data from F 5

    10.17182/hepdata.57048.v1/t5

    The cross section times branching ratio for W+jets in the electron channel as a function of the leading jet PT.

  • Table 6

    Data from F 5

    10.17182/hepdata.57048.v1/t6

    The cross section times branching ratio for W+jets in the muon channel as a function of the leading jet PT.

  • Table 7

    Data from F 5

    10.17182/hepdata.57048.v1/t7

    The cross section times branching ratio for W+jets in the electron channel as a function of the next-to-leading jet PT.

  • Table 8

    Data from F 5

    10.17182/hepdata.57048.v1/t8

    The cross section times branching ratio for W+jets in the muon channel as a function of the next-to-leading jet PT.

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