Measurement of the ratio of the 3-jet to 2-jet cross sections in pp collisions at √s = 7 TeV

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URI: https://hdl.handle.net/10902/28417
ISSN: 0370-2693
ISSN: 1873-2445
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Autoría
Chatrchyan, S.; Brochero Cifuentes, Javier AndrésAutoridad Unican; Cabrillo Bartolomé, José IbanAutoridad Unican; Calderón Tazón, AliciaAutoridad Unican; Chuang, S. H.; Duarte Campderros, JorgeAutoridad Unican; Felcini, Marta; Fernández García, MarcosAutoridad Unican; Gómez Gramuglio, GervasioAutoridad Unican; González Sánchez, Francisco JavierAutoridad Unican; Jordá Lope, Clara; Lobelle Pardo, Patricia; López Virto, María Amparo; Marco de Lucas, JesúsAutoridad Unican; Marco de Lucas, Rafael José; Martínez Rivero, Celso; Matorras Weinig, FranciscoAutoridad Unican; Muñoz Sánchez, Francisca Javiela; Piedra Gómez, JonatanAutoridad Unican; [et al.]
Fecha
2011-08
Derechos
Atribución-NoComercial-SinDerivadas 4.0 Internacional. © CERN, for the benefit of the CMS Collaboration. Published by Elsevier B.V.
Publicado en
Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics, 2011, 702(5), 336-354
Editorial
Elsevier
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Palabras clave
CMS
Physics
QCD
Multijets ratio
Resumen/Abstract
A measurement of the ratio of the inclusive 3-jet to 2-jet cross sections as a function of the total jet transverse momentum, HT, in the range 0.2 < HT < 2.5 TeV is presented. The data have been collected at a proton–proton centre-of-mass energy of 7 TeV with the CMS detector at the LHC, and correspond to an integrated luminosity of 36 pb−1. Comparisons are made between the data and the predictions of different QCD-based Monte Carlo models for multijet production. All models considered in this study are consistent with the data for HT > 0.5 TeV. This measurement extends to an HT range that has not been explored before
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