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LHC Seminar

Jet substructure from proton-proton to heavy-ion collisions with ALICE

by James Mulligan (University of California, Berkeley (US))

Europe/Zurich
Video only

Video only

Description

The substructure of high energy jets produced at colliders provides a variety of opportunities to study quantum chromodynamics, from stringent tests of perturbative QCD calculations to the nonperturbative physics of hadronization. Jet substructure has also emerged as a tool to study the deconfined, strongly-coupled quark-gluon plasma (QGP) produced in heavy-ion collisions. While the QGP is too small and short-lived to be probed with traditional scattering beams, jets can be used as probes since their fragmentation pattern is modified as they traverse the QGP. In this talk, I will present recent jet substructure measurements with ALICE. I will discuss measurements in proton-proton collisions, which investigate the boundary between perturbative and nonperturbative QCD, and measurements in heavy-ion collisions, which provide new opportunities to reveal the nature of the quark-gluon plasma. These will include measurements of jet angularities, the groomed jet radius, and subjet fragmentation functions.

ALICE Collaboration, arXiv:2107.11303

ALICE Collaboration, arXiv:2107.12984

 

Organized by

Michelangelo Mangano, Monica Pepe-Altarelli and Pedro Silva.

Videoconference
LHC Seminar - ALICE
Zoom Meeting ID
65451456972
Host
Claudia Dupraz
Passcode
57369570
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