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SUMMARY:5th International Workshop on Emergent QCD Collectivity Across Sca
 les: From Small System Collisions to Jets
DTSTART:20260629T064000Z
DTEND:20260702T160000Z
DTSTAMP:20260310T154800Z
UID:indico-event-16217@indico.global
DESCRIPTION:Speakers: Xiaoyu Liu (Rice University (US))\, Matthew Nguyen (
 Centre National de la Recherche Scientifique (FR))\, Wei Li (Rice Universi
 ty (US))\, Prabhat Ranjan Pujahari (Indian Institute of Technology Madras 
 (IN))\n\n\n\n\n\n\nThis workshop is the fifth edition of the International
  Small Systems workshop series\, continuing a focused effort to understand
  how collective phenomena emerge in Quantum Chromodynamics (QCD).\nBuildin
 g on the progress of previous meetings\, this edition expands the discussi
 on from small collision systems to jets and other multi-scale probes\, ref
 lecting the recent evolution of the field. Recent collider measurements ha
 ve revealed signatures of collectivity in a remarkably wide range of syste
 ms\, including pp\, pA\, light-ion\, photonuclear and jet-tagged events. T
 hese observations challenge traditional distinctions between small and lar
 ge systems\, soft and hard probes\, and initial- and final-state dynamics.
  A central aim of the workshop is to place these developments within a uni
 fied\, scale-dependent QCD framework\, and to clarify what they reveal abo
 ut the emergence of many-body dynamics from microscopic strong interaction
 s.\nThe workshop emphasizes that collective phenomena\, such as long-range
  correlations\, multiparticle cumulants\, jet–medium correlations\, pola
 rization effects\, and femtoscopic observables\, are inherently non-pertur
 bative manifestations of QCD. While perturbative methods successfully desc
 ribe the production of hard probes\, the emergence of collective behavior 
 reflects strong coupling\, coherence\, and many-body dynamics. Jets\, in p
 articular\, occupy a unique position at the interface of perturbative prod
 uction and non-perturbative response\, making them powerful differential p
 robes of emergent QCD matter. In addition to hydrodynamic and kinetic appr
 oaches\, the workshop also explicitly explores novel perspectives such as 
 quantum correlations and entanglement as complementary ways of organizing 
 multiparticle dynamics.\nThe goal of the workshop is not consensus\, but c
 larity: to identify robust observations\, expose open questions\, and enco
 urage bold\, forward-looking ideas that may guide future experiments and t
 heory. To preserve its interactive character\, the workshop is intentional
 ly small and invitation-only. Talks and discussion sessions are structured
  to emphasize provocation and debate rather than comprehensive result repo
 rting.\n\n\n\n\n\n\n \n \n\n\nhttps://indico.global/event/16217/
LOCATION:Rice Global Paris Center
URL:https://indico.global/event/16217/
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