EMMI Workshop: Probing the early stages with jets
KBW Lecture Hall
GSI

Jets are among the key probes of the quark-gluon plasma (QGP) produced in high-energy heavy-ion collisions at the LHC and at RHIC. As the jet cascade evolves in the presence of the underlying medium produced in these events, the partonic branchings are modified due to re-scattering with the QCD matter. Thus, by comparing these jets to those produced in pp events, one can hope to construct a tomographic picture of the medium and infer the dynamical properties of many-body QCD.
Although the QGP phase dominates the evolution in the aftermath of heavy-ion collisions, it is preceded by a shorter-lived but highly energetic out-of-equilibrium state. This medium, generated in parallel to the initial jet production, undergoes multiple (initial) stages during its equilibration process towards the QGP phase. Mapping the properties of these states using jets would give unique important information about the properties of QCD far from equilibrium, which can be hardly tested in any other experiment.
Key Goals:
- Bring together the jet quenching and the initial stages communities
- Focus on which observables can be theoretically calculated and experimentally measured
The workshop will start on Monday morning (July 13) and end on Friday after lunch (July 17).
The deadline for requesting financial support to attend the workshop is April 15.
Registration is now closed. If you would like to register and participate, please contact Kirill Boguslavski (kirill.boguslavski@subatech.in2p3.fr).
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Session: Flow and collectivty in jetsSitzungsleiter: Joao Barata (CERN)
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2
Collective phenomena in jets – a new window into the ultimate quark-gluon dropletSprecher: Xiaoyu Liu (Rice University)
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3
Elliptic Anisotropy from Quantum DiffractionSprecher: Erik Carrió Úbeda (University of Oviedo, Spain)
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4
Flow Effects on Jet Substructure in Monte Carlo ApproachSprecher: Joseph Bahder (Central China Normal University)
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2
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10:30
Coffee break
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Session: Kinetic theory and jetsSitzungsleiter: Tuomas Lappi (University of Jyväskylä)
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5
Deriving a parton shower for jet thermalization in QCD plasmasSprecher: Adam Takacs (CERN TH)
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6
Non-equilibrium evolution of the soft sector in hadronic collisions from kinetic theorySprecher: Clemens Werthmann (Ghent University)
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7
Azimuthal momentum isotropization in the early stagesSprecher: Sergio Barrera Cabodevila (Heidelberg University)
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5
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12:30
Lunch
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Session: Induced gluon radiationSitzungsleiter: Liliana Apolinário (LIP)
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8
In-medium QCD splittings beyond the soft, large Nc, harmonic-oscillator approximations all at onceSprecher: Marco Leitão (IPhT (FR) & LIP (PT))
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9
How the nonequilibrium initial stages influence medium-induced radiationSprecher: Florian Lindenbauer (MIT, USA)
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8
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15:30
Coffee break
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DiscussionSitzungsleiter: Joao Barata (CERN)
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Social event: Welcome reception
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Session: Jets and the mediumSitzungsleiter: Kirill Boguslavski (SUBATECH)
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Covariant Jet Momentum Broadening in QCD Effective Kinetic TheorySprecher: Isabella Danhoni (UIUC)
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12
Jet quenching of heavy quarks in flowing QCD matterSprecher: Matvey Kuzmin (University of Oxford)
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13
Probing coherence effects with jet formation timeSprecher: Chiara Le Roux (Wits University, Johannesburg)
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11
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10:30
Coffe break
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Session: Jets in the experimentSitzungsleiter: Liliana Apolinário (LIP)
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14
What can we learn from sPHENIX about the early stagesSprecher: Yeonju Go (Brookhaven National Laboratory)
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15
Outlook for heavy ion jet physics in the LHC Run 4 eraSprecher: Austin Baty (University of Illinois)
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16
Measuring QGP microstructure and response to excitationSprecher: Peter Jacobs (LBNL)
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14
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12:30
Lunch
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17
EMMI, GSI and FAIRSprecher: Carlo Ewerz (GSI Helmholtzzentrum für Schwerionenforschung GmbH(GSI))
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DiscussionSitzungsleiter: Elena Bratkovskaya (GSI Helmholtzzentrum für Schwerionenforschung GmbH(GSI))
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Discussion on TuesdaySprecher: Elena Bratkovskaya (GSI Helmholtzzentrum für Schwerionenforschung GmbH(GSI))
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18
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15:45
Tea break
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GSI-FAIR Colloquium: Probing the Trillion-Degree Quark Soup
https://indico.gsi.de/event/24779/
Sitzungsleiter: Yen-Jie Lee (MIT)
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Session: GlasmaSitzungsleiter: Kirill Boguslavski (SUBATECH)
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19
Glasma calculations from proper time expansionsSprecher: Margaret Carrington (Brandon University)
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20
Jet quenching in glasmaSprecher: Stanislaw Mrowczynski (National Centre for Nuclear Research)
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21
Jet transport coefficients in the GlasmaSprecher: Pablo Guerrero (Universidade de Santiago de Compostela, Spain)
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19
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10:30
Coffee break
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Session: Initial stages and jetsSitzungsleiter: Liliana Apolinário (LIP)
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22
Determination of the leading Lyapunov exponent for the glasma fieldsSprecher: Pooja - (University of Jyvaskyla)
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Probing the properties of strongly interacting QGP by jet partonsSprecher: Elena Bratkovskaya (GSI Helmholtzzentrum für Schwerionenforschung GmbH(GSI))
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22
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12:30
Lunch
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Session: Different approaches to jet quenchingSitzungsleiter: Tuomas Lappi (University of Jyväskylä)
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25
Open quantum system approach to the transverse momentum broadening of a colour dipoleSprecher: Pietro Benzoni (Subatech)
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26
Hamiltonian evolution of jets in the Glasma phaseSprecher: Carlos Lamas Rodríguez (IGFAE-USC)
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25
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15:30
Coffee break
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DiscussionSitzungsleiter: Andrey Sadofyev (EHU&Ikerbasque)
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27
Discussion on WednesdaySprecher: Andrey Sadofyev (EHU&Ikerbasque)
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27
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Session: Jet substructure 1Sitzungsleiter: Liliana Apolinário (LIP)
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28
Resolving QCD matter with Multipoint Energy CorrelatorsSprecher: João M. Silva (LIP-Lisbon, IST - University of Lisbon)
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29
Probing jet-medium dynamics with higher-point energy correlatorsSprecher: Ankita Budhraja (Nikhef)
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30
Probing the early stages with experimental jet observablesSprecher: Yen-Jie Lee (MIT)
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28
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10:30
Coffee break
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Session: Jet substructure 2Sitzungsleiter: Tuomas Lappi (University of Jyväskylä)
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31
Early-Time Dynamics of Heavy-Ion Collisions through Energy CorrelatorsSprecher: Andrey Sadofyev (University of Bilbao, Spain)
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Probing QCD media with projected N-point Energy CorrelatorsSprecher: Balbeer Singh (LIP Lisbon)
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Pinning down the vacuum baseline of jetsSprecher: Yi Chen (Vanderbilt University)
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31
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12:40
Photo
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13:00
Lunch
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Session: Small systemsSitzungsleiter: Joao Barata (CERN)
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Gradients all the way down: Two sources of initial state anisotropySprecher: Oscar Garcia Montero (IGFAE (Universidade de Santiago))
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35
Jets in hot-and-cold nuclear matterSprecher: Christopher McGinn (MIT, USA)
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34
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15:30
Coffee break
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DiscussionSitzungsleiter: Peter Jacobs (Lawrence Berkeley National Laboratory)
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Discussion on ThursdaySprecher: Peter Jacobs (Lawrence Berkeley National Laboratory)
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36
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Social event: Dinner
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Session: Probing the medium 1Sitzungsleiter: Kirill Boguslavski (SUBATECH)
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Energy loss from off-shell quarks in gluon fieldsSprecher: Ismail Soudi (Universitat Bielefeld)
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38
Minijet thermalisation and jet transport coefficientsSprecher: Fabian Zhou (University of Heidelberg, Germany)
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39
Bulk-medium and hard-probe transport coefficients in the strongly interacting QGPSprecher: Olga Soloveva (GSI Helmholtzzentrum für Schwerionenforschung GmbH(GSI))
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37
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10:30
Coffee break
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Session: Probing the medium 2Sitzungsleiter: Joao Barata (CERN)
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40
Non-equilibrium Evolution of Heavy Quarkonium in the MediumSprecher: Peter Vander Griend
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40
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DiscussionSitzungsleiter: Yen-Jie Lee (MIT)
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12:30
Lunch
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