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Título: | Inclusive b-jet production in pp collisions at √s = 7 TeV |
Autor: | Chatrchyan, S.; Brochero Cifuentes, J. A. CSIC ORCID; Cabrillo, I. J. CSIC ORCID ; Calderon, Alicia ; Chuang, S. H. CSIC; Duarte Campderros, J. CSIC ORCID ; Felcini, Marta CSIC ORCID; Fernández-García, Marcos CSIC ORCID ; Gómez, Gervasio CSIC ORCID ; González Sánchez, J. CSIC ; Jorda, C. CSIC; López Virto, A. CSIC ORCID ; Lobelle Pardo, P. CSIC; Marco, Jesús CSIC ORCID ; Marco, Rafael CSIC; Martínez-Rivero, Celso CSIC ORCID ; Matorras, Francisco CSIC ORCID ; Muñoz Sánchez, F. J. CSIC ORCID; Rodrigo, Teresa CSIC ORCID ; Rodríguez Marrero, Ana Y. CSIC; Ruiz Jimeno, Alberto CSIC ORCID ; Scodellaro, Luca CSIC ORCID ; Sobron Sañudo, M. CSIC; Vila, Iván CSIC ORCID; Vilar Cortabitarte, R. CSIC ORCID; CMS Collaboration | Fecha de publicación: | 2012 | Editor: | Springer Nature | Citación: | Journal of High Energy Physics: 84 (2012) | Resumen: | The inclusive b-jet production cross section in pp collisions at a center-ofmass energy of 7TeV is measured using data collected by the CMS experiment at the LHC. The cross section is presented as a function of the jet transverse momentum in the range 18 < pT < 200 GeV for several rapidity intervals. The results are also given as the ratio of the b-jet production cross section to the inclusive jet production cross section. The measurement is performed with two different analyses, which differ in their trigger selection and b-jet identification: a jet analysis that selects events with a b jet using a sample corresponding to an integrated luminosity of 34 pb -1, and a muon analysis requiring a b jet with a muon based on an integrated luminosity of 3 pb -1. In both approaches the b jets are identified by requiring a secondary vertex. The results from the two methods are in agreement with each other and with next-to-leading order calculations, as well as with predictions based on the pythia event generator. | Descripción: | Open Access: This article is distributed under the terms of the Creative Commons Attribution License. | Versión del editor: | http://dx.doi.org/10.1007/JHEP04(2012)084 | URI: | http://hdl.handle.net/10261/108825 | DOI: | 10.1007/JHEP04(2012)084 | Identificadores: | doi: 10.1007/JHEP04(2012)084 e-issn: 1029-8479 |
Aparece en las colecciones: | (IFCA) Artículos |
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