Measurements of jet multiplicity and differential production cross sections of Z + jets events in proton-proton collisions at sqrt(s) = 7 TeV

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Measurements of differential cross sections are presented for the production of a Z boson and at least one hadronic jet in proton-proton collisions at sqrt(s) = 7 TeV, recorded by the CMS detector, using a data sample corresponding to an integrated luminosity of 4.9 inverse femtobarns.

• The jet multiplicity distribution is measured for up to six jets.
• The differential cross sections are measured as a function of jet transverse momentum and pseudorapidity for the four highest transverse momentum jets.
• The distribution of the scalar sum of jet transverse momenta is also measured as a function of the jet multiplicity.