Jet size dependence of single jet suppression in lead-lead collisions at sqrt(s(NN)) = 2.76 TeV with the ATLAS detector at the LHC

The ATLAS collaboration
Phys.Lett.B 719 (2013) 220-241, 2013.

Abstract (data abstract)
CERN-LHC. Measurements of the ratio, Rcp, between jet production in the central to peripheral regions in Lead Lead collisions at a centre of mass energy/nucleon of 2.76 TeV. Jets are reconstructed with |eta|<2.1, covering the jet PT range 38-210 GeV, using the anti-Kt algorithm with norminal jet radii of R=0.2, 0.3, 0.4 and 0.5. Seven regions of centrality are considered from the most peripheral of 60-80% to the most central 0-10%. Rcp is studied as a function of jet PT, number of participating nucleons NPART and R for each of the centrality regions, as well as the ratio of Rcp/Rcp(R=0.2) as a function of jet PT for each R=0.3, 0.4 and 0.5. Finally values of the covariance matrix for staistical correlations between jet PT bins are given. In the tables the first systematic errors are from JES, JER, efficiency, xin and Rcoll and are 100% correlated in PT. The second systematic errors are those that are partially correlated or uncorrelated in pt, taken to be 100% uncorrelated, from the regularization parameter.

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