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Novel tools and observables for jet physics in heavy-ion collisions

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arxiv 1808.03689 v2 pith:FFSGHDR7 submitted 2018-08-10 hep-ph nucl-th

classification hep-phnucl-th
keywords collisionsheavy-ionnovelobservablesinsightsmodificationspartonphysics
verification ladder T0 review T1 audit T2 compute T3 formal
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Studies of fully-reconstructed jets in heavy-ion collisions aim at extracting thermodynamical and transport properties of hot and dense QCD matter. Recently, a plethora of new jet substructure observables have been theoretically and experimentally developed that provide novel precise insights on the modifications of the parton radiation pattern induced by a QCD medium. This report, summarizing the main lines of discussion at the 5th Heavy Ion Jet Workshop and CERN TH institute "Novel tools and observables for jet physics in heavy-ion collisions" in 2017, presents a first attempt at outlining a strategy for isolating and identifying the relevant physical processes that are responsible for the observed medium-induced jet modifications. These studies combine theory insights, based on the Lund parton splitting map, with sophisticated jet reconstruction techniques, including grooming and background subtraction algorithms.

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Cited by 3 Pith papers

Reviewed papers in the Pith corpus that reference this work. Sorted by Pith novelty score. Full citation record

  1. Exploring small-angle emissions in charm quark jets in proton-proton collisions at $\sqrt{s}$ = 5.02 TeV

    nucl-ex 2025-07 accept novelty 6.0 of 10

    CMS reports the first late-kT groomed splitting-angle distributions for prompt D0 jets at pT 100-120 GeV and finds suppression consistent with the charm dead cone, while soft-drop suppression appears driven by gluon s...

  2. High-Dimensional Unfolding in Large Backgrounds

    hep-ph 2025-07 conditional novelty 6.0 of 10

    OmniFold-HI, an ML unfolding algorithm that handles large backgrounds and high-dimensional auxiliary observables, is derived, shown equivalent to iterative Bayesian unfolding, and demonstrated to improve jet-substruct...

  3. QGP@50: More than Four Decades of Jet Quenching

    hep-ph 2025-08 conditional novelty 2.0 of 10

    A historical and technical review of jet quenching in heavy-ion collisions, covering four decades of theory, the RHIC discovery, and modern Bayesian extractions of the jet transport parameter qhat.

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