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    EMMI Workshop: QCD challenges from pp to AA collisions

    → Europe/Zurich
    Torino

    Torino

    Physics Department - Universita' di Torino Via P. Giuria, 1 - 10125 Torino
    Livio Bianchi (Universita e INFN Torino (IT)), Andrea Beraudo (INFN, sezione di Torino (IT))
    Description

    The 6th edition of the international workshop series “QCD Challenges from pp to AA collisions” takes place in Torino, July 6-10, 2026.

    The workshop is by invitation and  in-person. It aims to foster lively discussion between theoretical and experimental experts, focusing on features of QCD matter in extreme conditions that emerge across different collision environments and continue to challenge our current understanding.

    Livio Bianchi
    Participants
    60 View full list
    • Monday 6 July
      • 14:00 → 20:00
        Opening plenary session
        • 14:00
          Registration 30m
        • 14:30
          Intro from IAC 15m
          Speaker: Peter Christiansen (Lund University (SE))
        • 14:45
          Intro from LOC 15m
          Speaker: Livio Bianchi (Universita e INFN Torino (IT))
          LivioBianchi_QCDchall2026.pdf
        • 15:00
          Intro from wg1 30m
          Speaker: Govert Hugo Nijs (CERN)
        • 15:30
          Coffee Break 30m Torino

          Torino

          Physics Department - Universita' di Torino Via P. Giuria, 1 - 10125 Torino
        • 16:00
          Intro from wg2 30m
          Speaker: Christian Bierlich (Lund University (SE))
          talk.pdf
        • 16:30
          Intro from wg3 30m
          Speaker: Sushanta Tripathy (Lund University (SE))
          IntroEventEngineering.pdf
        • 17:00
          Intro from wg4 30m
          Speaker: Luca Micheletti (CERN)
          QCD challenges from pp to AA collisions - intro plenary.pdf
        • 18:30
          Welcome drink 1h 30m
    • Tuesday 7 July
      • 09:00 → 13:00
        EVENT ENGINEERING: parallel session 1
        Conveners: Andreas Morsch (CERN), Francesca Ercolessi (Universita e INFN, Bologna (IT)), Sushanta Tripathy (Lund University (SE))
      • 09:00 → 13:00
        HI AT THE TEMPERATURE AND SIZE FRONTIER: parallel session 1
        Conveners: Anthony Robert Timmins (University of Houston (US)), Govert Nijs (Massachusetts Institute of Technology), Omar Vazquez Rueda (University of Houston (US))
        • 09:00
          What does centrality mean in ultra-central collisions? 4h
          Speaker: Chiara Oppedisano (INFN Torino (IT))
          QCDchallenges-ch.pdf
      • 09:00 → 13:00
        SYNTHESIS OF PRESENT RESULTS: parallel session 1
        Conveners: Klaus WERNER, Luca Micheletti (CERN), Sarah Porteboeuf (Université Clermont Auvergne (FR))
        • 09:00
          Synthesis of HF present results from pp to Pb-Pb, from SPS to LHC 1h 30m
          Speaker: Andrea Rossi (INFN, Padova (IT))
        • 10:30
          Coffee break 30m
        • 11:00
          Flow harmonics and saturation studies from pp to Pb-Pb, from SPS to LHC (and EIC) 2h
          Speaker: Audrey Francisco (CEA)
      • 09:00 → 13:00
        VERY SMALL SYSTEMS: parallel session 1
        Conveners: Christian Bierlich (Lund University (SE)), Dennis Perepelitsa (University of Colorado Boulder), Dushmanta Sahu (Universidad Nacional Autonoma (MX))
        oleh-f.pdf
        qcd-challenges-rnepeiv.pdf
        • 09:00
          Modelling ultra-peripheral in pA 1h 30m
          Speaker: Oleh Fedkevych (University of Jyvaskyla)
          oleh-f.pdf
        • 10:30
          Coffee break 30m
        • 11:00
          UPC 1h 30m
          Speaker: Roman Nepeivoda (Lund University (SE))
          qcd-challenges-rnepeiv.pdf
      • 14:00 → 18:00
        EVENT ENGINEERING: parallel session 2
        Conveners: Andreas Morsch (CERN), Francesca Ercolessi (Universita e INFN, Bologna (IT)), Sushanta Tripathy (Lund University (SE))
        • 14:00
          How hard processes influence particle production in small systems? 1h 30m
          Speaker: Chiara De Martin (CERN)
          QCD2026_ChiaraDeMartin.pdf
        • 15:30
          Coffee break 30m
        • 16:00
          Heavy-flavor particle production vs event shape in ALICE 2h
          Speaker: Robert Vertesi (HUN-REN Wigner Research Centre for Physics (HU))
          vertesi-HFevtact-TorinoWS26.pdf
      • 14:00 → 18:00
        HI AT THE TEMPERATURE AND SIZE FRONTIER
        Conveners: Anthony Robert Timmins (University of Houston (US)), Govert Hugo Nijs (CERN), Omar Vazquez Rueda (Universidad Nacional Autonoma (MX))
        • 14:00
          Understanding the shape of the nucleus from central AA collisions 2h
          Speaker: Dr Wilke Van Der Schee (CERN)
          Talk_Torino26.pdf
          Talk_Torino26.pptx
        • 16:00
          Experimental constraints of the QGP EOS using ultra-central collisions 2h
          Speaker: Rene Bellwied (University of Houston (US))
          torino-july2026.pdf
      • 14:00 → 18:00
        SYNTHESIS OF PRESENT RESULTS: parallel session 2
        Conveners: Klaus WERNER, Luca Micheletti (CERN), Sarah Porteboeuf (Université Clermont Auvergne (FR))
      • 14:00 → 18:00
        VERY SMALL SYSTEMS: parallel session 2
        Conveners: Christian Bierlich (Lund University (SE)), Dennis Perepelitsa (University of Colorado Boulder), Dushmanta Sahu (Universidad Nacional Autonoma (MX))
        oleh-f.pdf
        qcd-challenges-rnepeiv.pdf
    • Wednesday 8 July
      • 09:00 → 13:00
        EVENT ENGINEERING: parallel session 3
        Conveners: Andreas Morsch (CERN), Francesca Ercolessi (CERN), Sushanta Tripathy (Lund University (SE))
        • 09:00
          Event engineering techniques for small systems in CMS 1h 30m
          Speaker: Efe Yazgan (National Taiwan University (TW))
          QCDppAA_2026_eyazgan.pdf
        • 10:30
          Coffee break 30m
        • 11:00
          Event activity dependence of Y(nS) suppression in high-multiplicity pp collisions 2h
          Speaker: Daniele Fasanella (Universita e INFN, Bologna (IT))
          TorinoWorkshop_fasanella.pdf
      • 09:00 → 13:00
        HI AT THE TEMPERATURE AND SIZE FRONTIER: parallel session 3
        Conveners: Anthony Robert Timmins (University of Houston (US)), Govert Nijs (Massachusetts Institute of Technology), Omar Vazquez Rueda, Omar Vazquez Rueda (University of Houston (US))
        • 09:00
          What is the temperature and size dependence of jet-quenching in AA collisions? 4h
          Speaker: Dr Isobel Kolbe (IGFAE)
      • 09:00 → 13:00
        SYNTHESIS OF PRESENT RESULTS: parallel session 3
        Conveners: Klaus WERNER, Luca Micheletti (CERN), Sarah Porteboeuf (Université Clermont Auvergne (FR))
        • 09:00
          Synthesis of LF present results from pp to Pb-Pb, from SPS to LHC 1h 30m
          Speaker: Maximiliano Puccio (CERN)
        • 10:30
          Coffee break 30m
        • 11:00
          Electromagnetic probes from pp to Pb-Pb, from SPS to LHC 2h
          Speaker: Ivan Vorobyev (CERN)
      • 09:00 → 18:00
        VERY SMALL SYSTEMS: parallel session 3
        Conveners: Christian Bierlich (Lund University (SE)), Christian Bierlich, Dennis Perepelitsa (University of Colorado Boulder), Dushmanta Sahu (Universidad Nacional Autonoma (MX))
        oleh-f.pdf
        qcd-challenges-rnepeiv.pdf
      • 14:00 → 18:00
        EVENT ENGINEERING: parallel session 4
        Conveners: Andreas Morsch (CERN), Francesca Ercolessi (CERN), Sushanta Tripathy (Lund University (SE))
        • 14:00
          How to correct for unwanted event classifier selection biases in small systems? 1h 30m
          Speaker: Lucia Anna Tarasovicova (Pavol Jozef Safarik University (SK))
          smallSystem_biases.pdf
        • 15:30
          Coffee break 30m
        • 16:00
          Future directions of event engineering and open questions 2h
          Speaker: Mr Alberto Caliva (Universita e INFN, Salerno (IT))
          EventEngineering.pdf
      • 14:00 → 18:00
        HI AT THE TEMPERATURE AND SIZE FRONTIER: parallel session 4
        Conveners: Anthony Robert Timmins (University of Houston (US)), Govert Hugo Nijs (CERN), Govert Nijs (Massachusetts Institute of Technology), Omar Vazquez Rueda, Omar Vazquez Rueda (Universidad Nacional Autonoma (MX))
      • 14:00 → 18:00
        SYNTHESIS OF PRESENT RESULTS: parallel session 4
        Conveners: Klaus WERNER, Luca Micheletti (CERN), Sarah Porteboeuf (Université Clermont Auvergne (FR))
        • 14:00
          Combining measurements in HF, LF & quarkonia sector in AA collisions 1h 30m
          Speaker: Lucia Oliva (INFN Catania)
        • 15:30
          Coffee break 30m
        • 16:00
          Jets structure from pp to Pb-Pb, from SPS to LHC 2h
          Speaker: Brian Andrew Cole (Columbia University (US))
      • 14:00 → 18:00
        VERY SMALL SYSTEMS: parallel session 4
        Conveners: Christian Bierlich (Lund University (SE)), Christian Bierlich, Dennis Perepelitsa (University of Colorado Boulder), Dushmanta Sahu (Universidad Nacional Autonoma (MX))
        oleh-f.pdf
        qcd-challenges-rnepeiv.pdf
    • Thursday 9 July
      • 09:00 → 13:00
        CROSS SESSION - TBD 1
      • 09:00 → 13:00
        CROSS SESSION - TBD 2
      • 14:00 → 18:00
        CROSS SESSION
      • 14:00 → 18:00
        CROSS SESSION - TBD 1
    • Friday 10 July