ME/HE Seminar: "Hard Probes of Little Bangs: Jet Physics in Heavy-Ion Collisions"

Speaker Kurt Jung, Purdue University
Date: 4/24/2017
Time: 1 p.m.

464 Loomis

Event Contact: Becky McDuffee


Event Type: Seminar/Symposium

Highly energetic particle jets are produced in nucleon-nucleon collision events and provide semi-direct access to quark kinematics.  In heavy-ion collisions, like the lead-lead collisions at the CERN LHC, these jets are used as probes of the strongly interacting plasma of quarks and gluons (QGP) that is produced.  Recent measurements of jet production in heavy-ion collisions have observed significant "jet quenching", where the jet loses energy as it traverses the hot and dense medium.  Further measurements of jets as a function of parton mass (or flavor) attempt to differentiate between different energy loss mechanisms.  Finally, measurements as a function of collision species (i.e. proton-lead vs lead-lead) try to factorize the so-called "final-state" energy loss due to the QGP from "initial-state" energy loss effects due to the presence of a nucleus in the collision system.  I will present an overview of recent jet physics measurements in heavy-ion collisions, as well as discuss potential prospective measurements that should further disentangle the picture of parton energy loss from the QGP. 

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