• Corpus ID: 251442392

# Measurements of groomed-jet substructure of charm jets tagged by ${\rm D}^0$ mesons in proton-proton collisions at $\sqrt{s}$ = 13 TeV

@inproceedings{Collaboration2022MeasurementsOG,
title={Measurements of groomed-jet substructure of charm jets tagged by \$\{\rm D\}^0\$ mesons in proton-proton collisions at \$\sqrt\{s\}\$ = 13 TeV},
author={Alice Collaboration},
year={2022}
}
Understanding the role of parton mass and Casimir colour factors in the quantum chromodynamics parton shower represents an important step in characterising the emission properties of heavy quarks. Recent experimental advances in jet substructure techniques have provided the opportunity to isolate and characterise gluon emissions from heavy quarks. In this work, the ﬁrst direct experimental constraint on the charm-quark splitting function is presented, obtained via the measurement of the groomed…
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## Figures from this paper

• Physics
• 2022
: We compute the average Lund multiplicity of high-energy QCD jets. This extends an earlier calculation, done for event-wide multiplicity in e + e − collisions [1], to the large energy range