High Momentum Probes of Nuclear Matter
Rainer J. Fries
TL;DR
This paper investigates how nuclear matter affects the composition of QCD jets, revealing that interactions lead to increased high-momentum kaons and reduced azimuthal asymmetry in heavy-ion collisions.
Contribution
It introduces a novel analysis of jet particle conversions in nuclear matter, highlighting their impact on kaon production and azimuthal asymmetry in heavy-ion collisions.
Findings
Enhanced high-momentum kaons in Au+Au collisions
Suppressed azimuthal asymmetry v_2 for kaons
Jet particle conversions significantly alter jet composition
Abstract
We discuss how the chemical composition of QCD jets is altered by final state interactions in surrounding nuclear matter. We describe this process through conversions of leading jet particles. We find that conversions lead to an enhancement of kaons at high transverse momentum in Au+Au collisions at RHIC, while their azimuthal asymmetry v_2 is suppressed.
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Taxonomy
TopicsHigh-Energy Particle Collisions Research · Particle physics theoretical and experimental studies · Quantum Chromodynamics and Particle Interactions