13-19 May 2018
Venice, Italy
Europe/Zurich timezone
The organisers warmly thank all participants for such a lively QM2018! See you in China in 2019!

Direct γ-hadron correlations in Pb-Pb collisions at √sNN=5.02 TeV with ALICE

15 May 2018, 17:00
2h 40m
First floor and third floor (Palazzo del Casinò)

First floor and third floor

Palazzo del Casinò

Poster Jet modifications and high-pT hadrons Poster Session

Speaker

Eliane Epple (Yale University)

Description

The medium modification of jets continues to be studied in greater and greater detail, ranging from their absolute yields to substructure measurements. A key problem has always been to accurately determine the jet energy calibration in order to establish the influence of the hot QCD medium on the observed jet properties. A way to circumvent this ambiguity is the measurement of direct $\gamma$-hadron correlations. The direct photon, produced in hard scatterings back-to-back with a parton, serves as a calibration of the away-side jet and thus provides less-biased insight into how the medium affects the away-side jet fragmentation. We ultimately aim to measure the modified fragmentation function f($z_{\mathrm{T}}$) and its dependencies on several quantities like the $\gamma$-trigger $p_{T}$ or associated hadron $p_{T}$ to understand the $z_{T}$ dependence.
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This poster will demonstrate our capability to measure inclusive $\gamma$-hadron and $\pi^{0}$-hadron correlation functions. Results will be presented for Pb--Pb data at \ensuremath{\sqrt{s_\mathrm{NN}}}=5.02\,TeV, measured with the EMCal and DCal detectors of the ALICE experiment.

Collaboration ALICE
Content type Experiment
Centralised submission by Collaboration Presenter name already specified

Primary authors

Eliane Epple (Yale University) Mr Michael Henry Oliver (Yale University (US))

Presentation Materials

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