English

Jet measurements with ALICE: substructure, dead cone, charm jets

High Energy Physics - Experiment 2022-09-21 v2

Abstract

A selection of recent jet measurements are presented from the ALICE experiment at the CERN LHC in proton-proton collisions at s=13\sqrt{s}=13 TeV, focusing on substructure results for inclusive and charmed jets. The groomed jet momentum fractions (zgz_g) of inclusive full jets are shown for various jet resolution parameters, and zgz_g, the groomed splitting radius (θg\theta_g) as well as the number of soft drops (nSDn_{\rm SD}) of inclusive and charmed charged-particle jets are compared. The first direct measurement of the dead cone in heavy-flavor jets is also presented. Furthermore, the parallel momentum fractions of charmed D0^0 mesons and Λc+\Lambda_\mathrm{c}^+ baryons are shown. Besides serving as a reference for jet structure modification measurements in heavy-ion collisions, these results provide new insight to QCD parton shower properties and flavor-dependent fragmentation processes.

Keywords

Cite

@article{arxiv.2009.11228,
  title  = {Jet measurements with ALICE: substructure, dead cone, charm jets},
  author = {Robert Vertesi},
  journal= {arXiv preprint arXiv:2009.11228},
  year   = {2022}
}

Comments

To appear in the proceedings of LHCP2020 - the 8th annual conference on Large Hadron Collider Physics

R2 v1 2026-06-23T18:44:52.400Z