Jet-hadron correlations relative to the event plane at the LHC with ALICE
arXiv:1703.09287 · doi:10.1016/j.nuclphysa.2017.05.108
Abstract
The hot, dense and strongly interacting medium known as the Quark Gluon Plasma (QGP) is produced in relativistic heavy-ion collisions at the Large Hadron Collider (LHC). Early in the collisions, quarks and gluons from the incoming nuclei collide to produce high momentum partons which fragment into collimated sprays of hadrons called "jets". In pp collisions, jet production is well understood within the framework of perturbative QCD and acts as a rigorous baseline measurement for jet quenching measurements. Using pp as a reference, we can compare to heavy-ion collision systems, and study the modification of the or angular distributions of jet fragments. A recently developed background subtraction method to remove the complex, flow dominated, heavy-ion background will be used in this analysis. Azimuthal angular correlations of charged hadrons with respect to the axis of a full (charged + neutral) reconstructed 'trigger' jet in Pb--Pb collisions at TeV in ALICE will be presented here. The analysis of angular correlations for different orientations of the trigger relative to the event plane allows for the study of the path length dependence of medium modifications to jets. The status of studies of the event plane dependence of angular correlations will be presented.
4 pages, 4 figures, Hot Quarks 2016 conference
References in corpus (7)
- Performance of the ALICE Experiment at the CERN LHC
- Measurement of jet suppression in central Pb-Pb collisions at = 2.76 TeV
- Transverse momentum and centrality dependence of dihadron correlations in Au+Au collisions at sqrt(s_NN)=200 GeV: Jet-quenching and the response of partonic matter
- Geometrical aspects of jet quenching in JEWEL
- Background subtraction methods for precision measurements of di-hadron and jet-hadron correlations in heavy ion collisions
- Disappearance of the Mach Cone in heavy ion collisions
- Measurements of charged particle spectra and nuclear modification factor in p+Pb collisions with the ATLAS detector