https://doi.org/10.1051/epjconf/20159504045
Measurements of vector boson plus jets from ATLAS
International Center for Elementary Particle Physics, The University of Tokyo, 113-0033, Japan
a e-mail: ninomiya@icepp.s.u-tokyo.ac.jp
Published online: 29 May 2015
Measurements of single W, Z boson production in association with jets probe QCD in multi-scale environment. Measurements of W + jet and Z + jet production and their ratio, extending to high jet multiplicities, and a large set of kinematic distributions are presented for 7 TeV data. The results are compared to the predictions of modern Monte Carlo generators. The production of vector bosons plus heavy flavors is sensitive to the c and b quark parton distribution functions (PDFs) and gluon splitting effects. Measurements of W + c and Z + b(b) are reported and compared to predictions based on various PDFs in 4 and 5 flavour schemes. An overview of the results is given.
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