Measurement of the inclusive differential jet cross section in pp collisions at √s=2.76 TeV

Article history: Received 15 January 2013 Received in revised form 8 April 2013 Accepted 8 April 2013 Available online 15 April 2013 Editor: D.F. Geesaman The ALICE Collaboration at the CERN Large Hadron Collider reports the first measurement of the inclusive differential jet cross section at mid-rapidity in pp collisions at √ s= 2.76 TeV, with integrated luminosity of 13.6 nb−1. Jets are measured over the transverse momentum range 20 to 125 GeV/c and are corrected to the particle level. Calculations based on Next-to-Leading Order perturbative QCD are in good agreement with the measurements. The ratio of inclusive jet cross sections for jet radii R = 0.2 and R = 0.4 is reported, and is also well reproduced by a Next-to-Leading Order perturbative QCD calculation when hadronization effects are included. © 2013 CERN. Published by Elsevier B.V. All rights reserved.