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          Institute: MPI für Physik     Collection: MPI für Physik     Display Documents



ID: 544418.0, MPI für Physik / MPI für Physik
Measurement of inclusive jet and dijet cross sections in proton-proton collisions at 7 TeV centre-of-mass energy with the ATLAS detector
Authors:ATLAS Collaboration
Date of Publication (YYYY-MM-DD):2011
Title of Journal:European Physical Journal C
Journal Abbrev.:Eur.Phys.J.C
Issue / Number:71
Start Page:1512
Audience:Not Specified
Intended Educational Use:No
Abstract / Description:Jet cross sections have been measured for the first time in proton-proton collisions at a centre-of-mass energy of 7 TeV using the ATLAS detector. The measurement uses an integrated luminosity of 17 nb-1 recorded at the Large Hadron Collider. The anti-kt algorithm is used to identify jets, with two jet resolution parameters, R = 0.4 and 0.6. The dominant uncertainty comes from the jet energy scale, which is determined to within 7% for central jets above 60 GeV transverse momentum. Inclusive single-jet differential cross sections are presented as functions of jet transverse momentum and rapidity. Dijet cross sections are presented as functions of dijet mass and the angular variable $\chi$. The results are compared to expectations based on next-to-leading-order QCD, which agree with the data, providing a validation of the theory in a new kinematic regime.
Classification / Thesaurus:ATLAS
Comment of the Author/Creator:53 pages plus author list (67 pages total), 26 figures, 22 tables. Typo in abstract corrected, document unchanged. Submitted to EPJC
External Publication Status:published
Document Type:Article
Communicated by:N.N.
Affiliations:MPI für Physik
Identifiers:LOCALID:MPP-2010-260
URL:http://www.slac.stanford.edu/spires/find/hep/www?r...
URL:http://cdsweb.cern.ch/record/1295801?ln=en
URL:http://arXiv.org/abs/arxiv:1009.5908
URL:http://publications.mppmu.mpg.de/?action=search&mp...
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