Probing flavor effects in QCD showers with heavy-flavor jets
Emma Yeats (on behalf of the ALICE Collaboration)
TL;DR
This paper investigates how jet substructure measurements, especially those involving heavy-flavor jets like charm, can test QCD predictions about radiation patterns influenced by parton mass and color charge, providing insights into hadronization.
Contribution
It presents new charm-tagged jet measurements from ALICE that probe flavor-dependent effects in QCD parton showers and the dead-cone effect.
Findings
Jet radiation patterns depend on parton mass and color charge.
Charm-tagged jet measurements reveal flavor effects in QCD showers.
Results support QCD predictions about dead-cone suppression.
Abstract
Measurements of jet substructure provide precise tests of Quantum Chromodynamics (QCD) and offer a distinct way to study hadronization mechanisms, compared to measurements of hadrons alone. QCD predicts that jet radiation patterns depend on the mass and color charge of the initiating parton. Parton showers, in particular, are sensitive to the Casimir factors of quarks and gluons, as well as the parton mass due to the dead-cone effect. Three key charm-tagged jet measurements from the ALICE experiment are discussed.
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Taxonomy
TopicsParticle physics theoretical and experimental studies · High-Energy Particle Collisions Research · Quantum Chromodynamics and Particle Interactions