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Measurement of the production cross section for W-bosons in association with jets in pp collisions at sqrt(s) = 7 TeV with the ATLAS detector

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Measurement of the production cross section for W-bosons in association with jets in pp collisions at sqrt(s) = 7 TeV with the ATLAS detector

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dc.contributor.author	ATLAS Collaboration
dc.contributor.author	Mitsou, Vasiliki
dc.contributor.author	Ferrer Soria, Antonio
dc.contributor.author	Valls Ferrer, Juan Antonio
dc.contributor.author	Castillo Giménez, María Victoria
dc.contributor.author	Cabrera Urbán, Susana
dc.contributor.author	Fuster Verdú, Juan A.
dc.contributor.author	Fiorini, Luca
dc.contributor.author	Ros Martínez, Eduardo
dc.contributor.author	Hernández Jiménez, Yesenia
dc.contributor.author	Lacasta Llácer, Carlos
dc.contributor.author	Higón Rodríguez, Emilio
dc.contributor.author	Salt Cairols, José
dc.contributor.author	González de la Hoz, Santiago
dc.contributor.author	García García, Carmen
dc.contributor.author	Martí García, Salvador
dc.contributor.author	Villaplana Pérez, Miguel
dc.contributor.author	Lacuesta Miquel, Vicente
dc.date.accessioned	2014-05-27T10:37:50Z
dc.date.available	2014-05-27T10:37:50Z
dc.date.issued	2011
dc.identifier.citation	ATLAS Collaboration Mitsou, Vasiliki Ferrer Soria, Antonio Valls Ferrer, Juan Antonio Castillo Giménez, María Victoria Cabrera Urbán, Susana Fuster Verdú, Juan A. Fiorini, Luca Ros Martínez, Eduardo Hernández Jiménez, Yesenia Lacasta Llácer, Carlos Higón Rodríguez, Emilio Salt Cairols, José González de la Hoz, Santiago García García, Carmen Martí García, Salvador Villaplana Pérez, Miguel Lacuesta Miquel, Vicente 2011 Measurement of the production cross section for W-bosons in association with jets in pp collisions at sqrt(s) = 7 TeV with the ATLAS detector Physics Letters B 698 5 325 345
dc.identifier.uri	http://hdl.handle.net/10550/35467
dc.description.abstract	This Letter reports on a first measurement of the inclusive W + jets cross section in proton-proton collisions at a centre-of-mass energy of 7 TeV at the LHC, with the ATLAS detector. Cross sections, in both the electron and muon decay modes of the W-boson, are presented as a function of jet multiplicity and of the transverse momentum of the leading and next-to-leading jets in the event. Measurements are also presented of the ratio of cross sections sigma (W + >= n)/sigma(W + >= n ¿ 1) for inclusive jet multiplicities n = 1-4. The results, based on an integrated luminosity of 1.3 pb(-1), have been corrected for all known detector effects and are quoted in a limited and well-defined range of jet and lepton kinematics. The measured cross sections are compared to particle-level predictions based on perturbative QCD. Next-to-leading order calculations, studied here for n <= 2, are found in good agreement with the data. Leading-order multiparton event generators, normalized to the NNLO total cross section, describe the data well for all measured jet multiplicities.
dc.relation.ispartof	Physics Letters B, 2011, vol. 698, num. 5, p. 325-345
dc.subject	Física nuclear
dc.title	Measurement of the production cross section for W-bosons in association with jets in pp collisions at sqrt(s) = 7 TeV with the ATLAS detector
dc.type	journal article	es_ES
dc.date.updated	2014-05-27T10:37:50Z
dc.identifier.doi	10.1016/j.physletb.2011.03.012
dc.identifier.idgrec	068195
dc.rights.accessRights	open access	es_ES
dc.identifier.url	10.1016/j.physletb.2011.03.012