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Differential cross section measurements for the production of a W boson in association with jets in proton–proton collisions at $\sqrt s=7$ TeV

The collaboration
Phys.Lett. B741 (2015) 12-37, 2015

Abstract (data abstract)
CERN-LHC. Measurements are reported of differential cross sections for the production of a W boson, which decays into a muon and a neutrino, in association with jets, as a function of several variables, including the transverse momenta (pT) and pseudorapidities of the four leading jets, the scalar sum of jet transverse momenta (HT), and the difference in azimuthal angle between the directions of each jet and the muon. The data sample of pp collisions at a centre-of-mass energy of 7 TeV was collected with the CMS detector at the LHC and corresponds to an integrated luminosity of 5.0 inverse femtobarns. 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 wit a distance parameter R=0.5, and only jets with pT > 30, |eta|<2.4, and a separation of deltaR > 0.5 from the muon are considered. Measurements are fully corrected for detector effects.

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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 6.

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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 6.

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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 absolute value of the pseudorapidity of the first leading jet.

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Data from Fig. 6 Top Right

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

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Data from Fig. 6 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. 6 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. 7 Top Left

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The differential cross section measurement as a function of the absolute value of the azimuthal separation between the first leading...

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Data from Fig. 7 Top Right

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The differential cross section measurement as a function of the absolute value of the azimuthal separation between the second leading...

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Data from Fig. 7 Bottom Left

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The differential cross section measurement as a function of the absolute value of the azimuthal separation between the third leading...

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Data from Fig. 7 Bottom Right

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The differential cross section measurement as a function of the absolute value of the azimuthal separation between the fourth leading...