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Title

Determination of jet energy calibration and transverse momentum resolution in CMS

AuthorsBrochero Cifuentes, J. A. ; Cabrillo, I. J. ; Calderon, Alicia ; Chuang, S. H. ; Duarte Campderros, J. ; Felcini, Marta ; Fernández, M. ; Gómez, G. ; González Sánchez, J. ; Jorda, C. ; Lobelle Pardo, P. ; López Virto, A. ; Marco, Jesús ; Marco, Rafael ; Martínez-Rivero, Celso ; Matorras, Francisco ; Muñoz Sánchez, F. J. ; Piedra, Jonatan ; Rodrigo, Teresa ; Rodríguez Marrero, Ana Y. ; Ruiz Jimeno, Alberto ; Scodellaro, Luca ; Sobron Sañudo, M. ; Vila, Iván ; Vilar, Rocío
KeywordsCalorimeter methods
Si microstrip and pad detectors
Issue DateNov-2011
PublisherInstitute of Physics Publishing
CitationJournal of Instrumentation 6: P11002 (2011)
AbstractMeasurements of the jet energy calibration and transverse momentum resolution in CMS are presented, performed with a data sample collected in proton-proton collisions at a centre-of-mass energy of 7TeV, corresponding to an integrated luminosity of 36pb−1. The transverse momentum balance in dijet and γ/Z+jets events is used to measure the jet energy response in the CMS detector, as well as the transverse momentum resolution. The results are presented for three different methods to reconstruct jets: a calorimeter-based approach, the ``Jet-Plus-Track'' approach, which improves the measurement of calorimeter jets by exploiting the associated tracks, and the ``Particle Flow'' approach, which attempts to reconstruct individually each particle in the event, prior to the jet clustering, based on information from all relevant subdetectors.
Description66 páginas, 41 figuras, 1 tabla.-- Open Access.-- CMS Collaboration: et al.
Publisher version (URL)http://dx.doi.org/10.1088/1748-0221/6/11/P11002
URIhttp://hdl.handle.net/10261/45926
DOI10.1088/1748-0221/6/11/P11002
E-ISSN1748-0221
Appears in Collections:(IFCA) Artículos
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