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Measurement of the cross section for the production of a W boson in association with b-jets in pp collisions at √s = 7 TeV with the ATLAS detector

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Measurement of the cross section for the production of a W boson in association with b-jets in pp collisions at √s = 7 TeV with the ATLAS detector

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dc.contributor.author	ATLAS Collaboration
dc.contributor.author	Mitsou, Vasiliki
dc.contributor.author	Fiorini, Luca
dc.contributor.author	Ros Martínez, Eduardo
dc.contributor.author	Fuster Verdú, Juan A.
dc.contributor.author	García García, Carmen
dc.contributor.author	Cabrera Urbán, Susana
dc.contributor.author	Martí García, Salvador
dc.contributor.author	Salt Cairols, José
dc.contributor.author	Lacasta Llácer, Carlos
dc.contributor.author	Valls Ferrer, Juan Antonio
dc.contributor.author	Castillo Giménez, María Victoria
dc.contributor.author	Higón Rodríguez, Emilio
dc.contributor.author	Ferrer Soria, Antonio
dc.contributor.author	González de la Hoz, Santiago
dc.contributor.author	Kaci, Mohammed
dc.contributor.author	Hernández Jiménez, Yesenia
dc.contributor.author	Villaplana Pérez, Miguel
dc.date.accessioned	2014-06-16T12:30:37Z
dc.date.available	2014-06-16T12:30:37Z
dc.date.issued	2012
dc.identifier.citation	ATLAS Collaboration Mitsou, Vasiliki Fiorini, Luca Ros Martínez, Eduardo Fuster Verdú, Juan A. García García, Carmen Cabrera Urbán, Susana Martí García, Salvador Salt Cairols, José Lacasta Llácer, Carlos Valls Ferrer, Juan Antonio Castillo Giménez, María Victoria Higón Rodríguez, Emilio Ferrer Soria, Antonio González de la Hoz, Santiago Kaci, Mohamed Hernández Jiménez, Yesenia Villaplana Pérez, Miguel 2012 Measurement of the cross section for the production of a W boson in association with b-jets in pp collisions at √s = 7 TeV with the ATLAS detector Physics Letters B 707 5 418 437
dc.identifier.uri	http://hdl.handle.net/10550/36176
dc.description.abstract	A measurement is presented of the cross section for the production of a W boson with one or two jets, of which at least one must be a b-jet, in pp collisions at root s = 7 TeV. Production via top decay is not included in the signal definition. The measurement is based on 35 pb(-1) of data collected with the ATLAS detector at the LHC. The W + b-jet cross section is defined for jets reconstructed with the anti-k(t) clustering algorithm with transverse momentum above 25 GeV and rapidity within +/-2.1. The b-jets are identified by reconstructing secondary vertices. The fiducial cross section is measured both for the electron and muon decay channel of the W boson and is found to be 10.2 +/- 1.9(stat) +/- 2.6(syst) pb for one lepton flavour. The results are compared with next-to-leading order QCD calculations, which predict a cross section smaller than, though consistent with, the measured value.
dc.relation.ispartof	Physics Letters B, 2012, vol. 707, num. 5, p. 418-437
dc.subject	Partícules (Física nuclear)
dc.subject	Física nuclear
dc.title	Measurement of the cross section for the production of a W boson in association with b-jets in pp collisions at √s = 7 TeV with the ATLAS detector
dc.type	journal article	es_ES
dc.date.updated	2014-06-16T12:30:37Z
dc.identifier.doi	10.1016/j.physletb.2011.12.046
dc.identifier.idgrec	070701
dc.rights.accessRights	open access	es_ES
dc.identifier.url	10.1016/j.physletb.2011.12.046