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Chatrchyan, S.; Khachatryan, V.; Sirunyan, A. M.; Tumasyan, A.; Adam, W.; Bergauer, T.; Dragicevic, M.; Eroe, J.; Fabjan, C.; Friedl, M.; Fruehwirth, R.; Ghete, V. M.; Hammer, J.; Haensel, S.; Hoch, M.; Hoermann, N.; Hrubec, J.; Jeitler, M.; Kiesenhofer, W.; Krammer, M.; Krammer, M.
{ "DOI": "10.1007/JHEP01(2012)010", "abstract": "Measurements of jet production rates in association with W and Z bosons for jet transverse momenta above 30 GeV are reported, using a sample of proton-proton collision events recorded by CMS at root s = 7 TeV, corresponding to an integrated luminosity of 36 pb(-1). The study includes the measurement of the normalized inclusive rates of jets sigma(V+ >= n jets)/sigma(V), where V represents either a W or a Z. In addition, the ratio of W to Z cross sections and the W charge asymmetry as a function of the number of associated jets are measured. A test of scaling at root s = 7 TeV is also presented. The measurements provide a stringent test of perturbative-QCD calculations and are sensitive to the possible presence of new physics. The results are in agreement with the predictions of a simulation that uses explicit matrix element calculations for final states with jets.", "author": [ { "family": "Chatrchyan", "given": " S." }, { "family": "Khachatryan", "given": " V." }, { "family": "Sirunyan", "given": " A. M." }, { "family": "Tumasyan", "given": " A." }, { "family": "Adam", "given": " W." }, { "family": "Bergauer", "given": " T." }, { "family": "Dragicevic", "given": " M." }, { "family": "Eroe", "given": " J." }, { "family": "Fabjan", "given": " C." }, { "family": "Friedl", "given": " M." }, { "family": "Fruehwirth", "given": " R." }, { "family": "Ghete", "given": " V. M." }, { "family": "Hammer", "given": " J." }, { "family": "Haensel", "given": " S." }, { "family": "Hoch", "given": " M." }, { "family": "Hoermann", "given": " N." }, { "family": "Hrubec", "given": " J." }, { "family": "Jeitler", "given": " M." }, { "family": "Kiesenhofer", "given": " W." }, { "family": "Krammer", "given": " M." }, { "family": "Krammer", "given": " M." } ], "container_title": "JOURNAL OF HIGH ENERGY PHYSICS", "id": "226279", "issue": "1", "issued": { "date-parts": [ [ 2012, 1, 1 ] ] }, "title": "Jet production rates in association with W and Z bosons in pp collisions at root s=7 TeV", "type": "article-journal" }
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