22-29 July 2015
Europe/Vienna timezone

Inclusive and Semi-Inclusive Jet measurements in Au+Au collisions at $\sqrt(s_{NN})$ = 200 GeV at STAR

23 Jul 2015, 14:30
20m
HS42 ()

HS42

talk Heavy Ion Physics Heavy Ion Physics

Speaker

Jan Rusnak (Nuclear Physics Institute Prague)

Description

Jets represent an important tool to explore the properties of the hot and dense nuclear matter created in heavy-ion collisions. However, their reconstruction presents a challenging task due to the extremely large and fluctuating background that overwhelm the true hard jet population. We present recent measurements of charged jets in Au+Au collisions, by the STAR collaboration at RHIC, where the background is suppressed via a new technique based on event mixing and via a cut on leading hadron transverse momentum. The measured observables are the inclusive jet yield and the semi-inclusive yield of recoil jets from a high pT hadron trigger. These jet measurements allow a direct comparison of jet quenching at RHIC and the LHC and provide new constraints on theoretical calculations of jet quenching.

additional information

for the STAR collaboration

Primary author

Jan Rusnak (Nuclear Physics Institute Prague)

Presentation Materials