## Measurements of sub-jet fragmentation with ALICE

James Mulligan

SciPost Phys. Proc. 10, 020 (2022) · published 10 August 2022

### Proceedings event

50th International Symposium on Multiparticle Dynamics (ISMD2021)

### Abstract

High-energy jets offer rich opportunities to study quantum chromodynamics, from investigating the limits of perturbative calculability to constraining the emergent properties of the quark-gluon plasma (QGP). In these proceedings, we present new measurements of the fragmentation properties of jets. We report distributions of the sub-jet momentum fraction $z_r$ measured in pp and Pb-Pb collisions with ALICE at the Large Hadron Collider. These measurements serve as input to test the universality of jet fragmentation in the QGP, and offer a path to elucidate jet quenching effects in the large-$z$ region.

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