Abstract
Partonic energy loss in the medium formed in heavy ion collisions results in significant modifications of jet spectra. Quantitative understanding of these modifications can constrain models for partonic energy loss in heavy ion collisions. The ALICE detector is capable of unique measurements of jets due to its low momentum tracking and particle identification capabilities. The ALICE Electromagnetic Calorimeter (EMCAL) is a key element for the measurement of fully reconstructed jets in ALICE due to its measurement of neutral particles and its triggering capabilities. Measurements of fully reconstructed jet spectra and the nuclear modification factor, RAA, in Pb-Pb collisions at = 2.76 TeV are presented.
Highlights
Jets, the collimated sprays of particles created from a fragmenting parton, are an ideal probe of the hot, dense medium formed in high-energy heavy-ion collisions because hard parton scattering occurs early in the collision and the scattered partons can interact with the medium
The production of jets is well understood in the absence of a medium, for example in pp collisions, and calculable in pQCD
Jets may be modified by the medium by parton energy loss through gluon brehmsstralung, collisional energy loss, or modification of fragmentation and hadronization
Summary
This content has been downloaded from IOPscience. Please scroll down to see the full text. Ser. 589 012015 (http://iopscience.iop.org/1742-6596/589/1/012015) View the table of contents for this issue, or go to the journal homepage for more. Download details: IP Address: 131.169.4.70 This content was downloaded on 01/02/2016 at 22:51 Please note that terms and conditions apply
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