@article{3165230,
    title = "Measurements of jet multiplicity and differential production cross
sections of Z plus jets events in proton-proton collisions at root s=7
TeV",
    author = "Khachatryan, V. and Sirunyan, A. M. and Tumasyan, A. and Adam, W. and and Bergauer, T. and Dragicevic, M. and Eroe, J. and Fabjan, C. and Friedl, and M. and Fruehwirth, R. and Ghete, V. M. and Hartl, C. and Hoermann, N. and and Hrubec, J. and Jeitler, M. and Kiesenhofer, W. and Knuenz, V. and and Krammer, M. and Kraetschmer, I. and Liko, D. and Mikulec, I. and Rabady, and D. and Rahbaran, B. and Rohringer, H. and Schoefbeck, R. and Strauss, J. and and Taurok, A. and Treberer-Treberspurg, W. and Waltenberger, W. and and Wulz, C. -E. and Mossolov, V. and Shumeiko, N. and Gonzalez, J. Suarez and and Alderweireldt, S. and Bansal, M. and Bansal, S. and Cornelis, T. and and De Wolf, E. A. and Janssen, X. and Knutsson, A. and Luyckx, S. and and Ochesanu, S. and Roland, B. and Rougny, R. and De Klundert, M. Van and and Van Haevermaet, H. and Van Mechelen, P. and Van Remortel, N. and Van and Spilbeeck, A. and Blekman, F. and Blyweert, S. and D'Hondt, J. and Daci, and N. and Heracleous, N. and Keaveney, J. and Lowette, S. and Maes, M. and and Olbrechts, A. and Python, Q. and Strom, D. and Tavernier, S. and Van and Doninck, W. and Van Mulders, P. and Van Onsem, G. P. and Villella, I. and and Caillol, C. and Clerbaux, B. and De Lentdecker, G. and Dobur, D. and and Favart, L. and Gay, A. P. R. and Grebenyuk, A. and Leonard, A. and and Mohammadi, A. and Pernie, L. and Reis, T. and Seva, T. and Thomas, L. and and Velde, C. Vander and Vanlaer, P. and Wang, J. and Adler, V. and and Beernaert, K. and Benucci, L. and Cimmino, A. and Costantini, S. and and Crucy, S. and Dildick, S. and Fagot, A. and Garcia, G. and Mccartin, J. and and Rios, A. A. Ocampo and Ryckbosch, D. and Diblen, S. Salva and and Sigamani, M. and Strobbe, N. and Thyssen, F. and Tytgat, M. and Yazgan, and E. and Zaganidis, N. and Basegmez, S. and Beluffi, C. and Bruno, G. and and Castello, R. and Caudron, A. and Ceard, L. and Da Silveira, G. G. and and Delaere, C. and du Pree, T. and Favart, D. and Forthomme, L. and and Giammanco, A. and Hollar, J. and Jez, P. and Komm, M. and Lemaitre, V. and and Nuttens, C. and Pagano, D. and Perrini, L. and Pin, A. and and Piotrzkowski, K. and Popov, A. and Quertenmont, L. and Selvaggi, M. and and Marono, M. Vidal and Garcia, J. M. Vizan and Beliy, N. and Caebergs, T. and and Daubie, E. and Hammad, G. H. and Alda Junior, W. L. and Alves, G. A. and and Brito, L. and Junior, M. Correa Martins and Martins, T. Dos Reis and and Herrera, C. Mora and Pol, M. E. and Carvalho, W. and Chinellato, J. and and Custodio, A. and Da Costa, E. M. and Damiao, D. De Jesus and Martins, C. and De Oliveira and De Souza, S. Fonseca and Malbouisson, H. and Figueiredo, and D. 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    journal = "Physical Review D",
    year = "2015",
    volume = "91",
    number = "5",
    publisher = "AMER PHYSICAL SOC",
    issn = "2470-0010, 2470-0029",
    doi = "10.1103/PhysRevD.91.052008",
    abstract = "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 root s = 7 TeV, recorded by the CMS detector, using a data
sample corresponding to an integrated luminosity of 4.9 fb(-1). 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. The measurements
are compared with theoretical predictions at leading and next-to-leading
order in perturbative QCD."
}