Frankfurt 2014 – scientific programme

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HK: Fachverband Physik der Hadronen und Kerne

HK 4: Schwerionenkollisionen und QCD Phasen

HK 4.7: Talk

Monday, March 17, 2014, 15:45–16:00, HZ 6

Jet-hadron correlations in Pb-Pb collisions with ALICE at the LHC — •Jochen Klein for the ALICE collaboration — Physikalisches Institut, University of Heidelberg

A Large Ion Collider Experiment (ALICE) allows for excellent particle identification in Pb-Pb collisions recorded in 2010 and 2011 at the LHC. We discuss how this could help to observe the response of a strongly interacting medium to the traversal of hard partons.

Hard partons from interactions at high scales fragment into jets. In PbPb collisions, the partons interact strongly with the produced medium. This leads to a modification of the jet but also a response of the medium. We discuss the correlation of a trigger jet and hadrons. We want to exploit the different proton fraction in jet fragmentation and bulk hadronisation to disentagle jet and medium hadronisation. The response from a quenched jet on the away-side of a trigger jet results from a longer path length and is of particular interest.