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Measurements of differential cross sections for associated production of a W boson and jets in proton-proton collisions at $\sqrt{s} =$ 8 TeV

The collaboration
Phys.Rev.D, 2016

Abstract (data abstract)
CERN-LHC. Differential cross sections for a W boson produced in association with jets are measured in a data sample of proton-proton collisions at a center-of-mass energy of 8 TeV recorded with the CMS detector and corresponding to an integrated luminosity of 19.6 inverse femtobarns. The W bosons are identified through their decay into a muon and a neutrino. The cross sections are reported as functions of jet multiplicity, jet transverse momenta, and the scalar sum of jet transverse momenta (HT) for different jet multiplicities. Distributions of the angular correlations between the jets and the muon are examined, as well as the average number of jets as a function of HT and as a function of angular variables. The cross sections are measured in the fiducial region defined by a muon with pT > 25 GeV and pseudorapidity |eta| < 2.1, and by a transverse mass between the muon and the missing transverse energy MT > 50 GeV. Jets are reconstructed using the anti-kT algorithm with a distance parameter R = 0.5, and only jets with pT > 30 GeV, |eta| < 2.4, and a separation of deltaR > 0.5 from the muon are considered.

• #### Table 1

Data from Fig. 3 Left

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The cross section measurement as a function of the exclusive jet multiplicity, for jet multiplicities of up to 7.

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Data from Fig. 3 Right

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The cross section measurement as a function of the inclusive jet multiplicity, for jet multiplicities of up to 7.

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Data from Fig. 4 Top Left

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The differential cross section measurement as a function of the transverse momentum of the first leading jet.

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Data from Fig. 4 Top Right

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The differential cross section measurement as a function of the transverse momentum of the second leading jet.

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Data from Fig. 4 Bottom Left

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The differential cross section measurement as a function of the transverse momentum of the third leading jet.

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Data from Fig. 4 Bottom Right

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The differential cross section measurement as a function of the transverse momentum of the fourth leading jet.

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Data from Fig. 5 Top Left

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The differential cross section measurement as a function of the scalar sum of the transverse momenta of jets (HT) for...

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Data from Fig. 5 Top Right

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The differential cross section measurement as a function of the scalar sum of the transverse momenta of jets (HT) for...

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Data from Fig. 5 Bottom Left

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The differential cross section measurement as a function of the scalar sum of the transverse momenta of jets (HT) for...

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Data from Fig. 5 Bottom Right

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The differential cross section measurement as a function of the scalar sum of the transverse momenta of jets (HT) for...

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Data from Fig. 6 Top Left

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The differential cross section measurement as a function of the transverse momentum of the dijet system of the two highest...

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Data from Fig. 6 Top Right

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The differential cross section measurement as a function of the transverse momentum of the dijet system of the two highest...

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Data from Fig. 6 Bottom

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The differential cross section measurement as a function of the transverse momentum of the dijet system of the two highest...

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Data from Fig. 7 Top Left

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The differential cross section measurement as a function of the dijet invariant mass of the two highest pT jets for...

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Data from Fig. 7 Top Right

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The differential cross section measurement as a function of the dijet invariant mass of the two highest pT jets for...

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Data from Fig. 7 Bottom

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The differential cross section measurement as a function of the dijet invariant mass of the two highest pT jets for...

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Data from Fig. 8 Top Left

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The differential cross section measurement as a function of the absolute value of the pseudorapidity of the first leading jet.

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Data from Fig. 8 Top Right

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The differential cross section measurement as a function of the absolute value of the pseudorapidity of the second leading jet.

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Data from Fig. 8 Bottom Left

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The differential cross section measurement as a function of the absolute value of the pseudorapidity of the third leading jet.

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Data from Fig. 8 Bottom Right

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The differential cross section measurement as a function of the absolute value of the pseudorapidity of the fourth leading jet.

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Data from Fig. 9 Top Left

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The differential cross section measurement as a function of the rapidity difference between the two highest pT jets for events...

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Data from Fig. 9 Top Right

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The differential cross section measurement as a function of the rapidity difference between the two highest pT jets for events...

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Data from Fig. 9 Bottom

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The differential cross section measurement as a function of the rapidity difference between the two highest pT jets for events...

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Data from Fig. 10 Left

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The differential cross section measurement as a function of the rapidity difference between the first and the third highest pT...

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Data from Fig. 10 Right

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The differential cross section measurement as a function of the rapidity difference between the second and the third highest pT...

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Data from Fig. 11 Top Left

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The differential cross section measurement as a function of the rapidity difference between the most forward and the most backward...

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Data from Fig. 11 Top Right

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The differential cross section measurement as a function of the rapidity difference between the most forward and the most backward...

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Data from Fig. 11 Bottom

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The differential cross section measurement as a function of the rapidity difference between the most forward and the most backward...

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Data from Fig. 12 Left

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The differential cross section measurement as a function of the azimuthal angle separation between the two highest pT jets for...

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Data from Fig. 12 Right

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The differential cross section measurement as a function of the azimuthal angle separation between the most forward and the most...

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Data from Fig. 13

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The differential cross section measurement as a function of DeltaR separation between the two highest pT jets for events with...

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Data from Fig. 14 Top Left

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The differential cross section measurement as a function of the azimuthal angle separation between the first leading jet and the...

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Data from Fig. 14 Top Right

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The differential cross section measurement as a function of the azimuthal angle separation between the second leading jet and the...

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Data from Fig. 14 Bottom Left

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The differential cross section measurement as a function of the azimuthal angle separation between the third leading jet and the...

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Data from Fig. 14 Bottom Right

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The differential cross section measurement as a function of the azimuthal angle separation between the fourth leading jet and the...

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Data from Fig. 15 Top Left

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Average number of jets as a function of HT for events with one or more jets.

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Data from Fig. 15 Top Right

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Average number of jets as a function of HT for events with two or more jets.

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Data from Fig. 15 Bottom Left

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Average number of jets as a function of the rapidity difference between the two highest pT jets for events with...

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Data from Fig. 15 Bottom Right

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Average number of jets as a function of the rapidity difference between the most forward and the most backward jets...