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14 International Workshop on Multiple Parton Interactions at the LHC, MPI@LHC 2023

→ Europe/London
Jocelyn Bell Burnell Lecture Theatre, Schuster Building (University of Manchester)

Jocelyn Bell Burnell Lecture Theatre, Schuster Building

University of Manchester
Andrew Pilkington (University Of Manchester), Darren Price (University of Manchester (GB)), Jeffrey Forshaw, Jonathan Richard Gaunt (University of Manchester (GB)), Mike Seymour (University of Manchester (GB))
Description

MPI@LHC 2023 is the thirteenth conference of a series of successful joint theory/experiment workshops that bring together the world's leading experts from theory and LHC experiments to discuss the latest progress on the physics relevant to the Multiple Partonic Interactions.

This year it will take place in person at the University of Manchester.

The conference will cover the following topics, divided in working groups:

  • WG1: Minimum Bias, Underlying Event and Monte Carlo generators
  • WG2: Double Parton Scattering
  • WG3: High multiplicities and small systems
  • WG4: Diffraction and small-x
  • WG5: Heavy Ion collisions

 

Previous editions of the workshop:

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  • Monday 20 November
    • 1
      Welcome and introduction Jocelyn Bell Burnell Lecture Theatre, Schuster Building

      Jocelyn Bell Burnell Lecture Theatre, Schuster Building

      University of Manchester
      Speaker: Jonathan Richard Gaunt (University of Manchester (GB))
    • WG3 track Jocelyn Bell Burnell Lecture Theatre, Schuster Building

      Jocelyn Bell Burnell Lecture Theatre, Schuster Building

      University of Manchester
      Conveners: Christian Bierlich (Lund University (SE)), Fabio Colamaria (INFN, Sezione di Bari (IT))
      • 2
        Heavy-quark production and hadronisation as a function of event multiplicity with ALICE
        Speaker: Andrea Rossi (INFN, Padova (IT))
        2023Nov20MPI_Rossi_vF.pdf
      • 3
        Updates on junction formation and charm production in PYTHIA
        Speaker: Javira Altmann
        Junction fragmentation.pdf
      • 4
        ALICE measurements of particle production as a function of event topology in small systems
        Speaker: Sushanta Tripathy (CERN)
        EventClassifiers_Sushanta_MPI2023_v4.pdf
      • 5
        Probing the Mechanisms of Strangeness Enhancement in Small Systems with ALICE
        Speaker: Roman Nepeivoda (Lund University (SE))
        MPI@LHC_NR_v3.pdf
      • 6
        Quarkonium production as a function of charged-particle multiplicity with ALICE: A probe for MPI in pp and p-Pb collisions
        Speaker: Chi Zhang (Université Paris-Saclay (FR))
        MPI_ALICE_Chi_ZHANG_slides_vf.pdf
    • 10:50
      Coffee break Jocelyn Bell Burnell Lecture Theatre, Schuster Building

      Jocelyn Bell Burnell Lecture Theatre, Schuster Building

      University of Manchester
    • WG2 track Jocelyn Bell Burnell Lecture Theatre, Schuster Building

      Jocelyn Bell Burnell Lecture Theatre, Schuster Building

      University of Manchester
      • 7
        Double Parton Distribution Functions on the Lattice
        Speaker: Daniel Reitinger
        MPI Manchester 2023.pdf
      • 8
        Double transverse momentum dependent parton distributions matched to DPDFs
        Speaker: Oskar Grocholski
        MPI2023_Grocholski.pdf
      • 9
        Valence and sea parton correlations in double parton scattering from data
        Speakers: Edgar Huayra, Emmanuel Gräve de Oliveira (UFSC, Brazil)
        MPI2023.pdf
      • 10
        Hot spot model of nucleon and double parton scattering
        Speaker: Boris Blok (Physics Department)
        manchester24.pdf
    • 12:30
      Lunch Krobar

      Krobar
    • WG1 track Jocelyn Bell Burnell Lecture Theatre, Schuster Building

      Jocelyn Bell Burnell Lecture Theatre, Schuster Building

      University of Manchester
      Conveners: Andrzej Konrad Siodmok (Jagiellonian University (PL)), Matt LeBlanc (University of Manchester (GB))
    • 16:00
      Coffee break
    • WG2 track: REMOTE TALKS Jocelyn Bell Burnell Lecture Theatre, Schuster Building

      Jocelyn Bell Burnell Lecture Theatre, Schuster Building

      University of Manchester
      • 17
        TPS in pp and DPS in pA
        Speaker: Huasheng Shao (Centre National de la Recherche Scientifique (FR))
        Shao_MPIatLHC2023.pdf
    • WG3 track: REMOTE BLOCK Jocelyn Bell Burnell Lecture Theatre, Schuster Building

      Jocelyn Bell Burnell Lecture Theatre, Schuster Building

      University of Manchester
      • 18
        Recent heavy-flavour results in small systems with ATLAS and CMS
        Speaker: Dr Georgios Krintiras (The University of Kansas (US))
        MPI_2023_GKK.pdf
      • 19
        Collectivity in Small Systems at RHIC

        Research into surprising effects found in collisions of a light nucleus with a heavy nucleus is one of the main pillars of present-day research in high energy nuclear physics, and the discovery of quark-gluon plasma formation in these small-volume collisions has fomented major developments in relativistic hydrodynamics. The Relativistic Heavy Ion Collider (RHIC) at Brookhaven National Laboratory has conducted a small system geometry scan, comprising collisions of three different systems with three different intrinsic geometries. The experimental results demonstrate the translation of collision geometry into final state correlations, with different contributions from intrinsic geometry vs sub-nucleonic fluctuations in different kinematic regions. In this talk we summarize the latest results from both the PHENIX and STAR collaborations.

        Speaker: Ron Belmont (University of North Carolina at Greensboro)
        mpi23.pdf
    • 18:00
      Reception drinks Ground Floor Annexe (Schuster Building)

      Ground Floor Annexe

      Schuster Building
  • Tuesday 21 November
    • Remote session: Mixed Jocelyn Bell Burnell Lecture Theatre, Schuster Building

      Jocelyn Bell Burnell Lecture Theatre, Schuster Building

      University of Manchester
      • 20
        Double Parton Distributions from Euclidean Lattice

        Double parton distributions characterize the correlated parton structure of hadrons, and play an important role in describing double parton scattering processes in hadron collisions. In this talk, I'll show how they can be directly computed from correlations of equal-time nonlocal Euclidean operators on the lattice in the large hadron momentum limit.

        Speaker: Jianhui Zhang (Chinese University of Hong Kong)
        dpd from lattice.pdf
      • 21
        Associated production of heavy quarkonia and D mesons in the parton Reggeization approach
        Speaker: Vladimir Saleev
        MPILHC_4.pdf
    • WG4 session Jocelyn Bell Burnell Lecture Theatre, Schuster Building

      Jocelyn Bell Burnell Lecture Theatre, Schuster Building

      University of Manchester
      • 22
        Predictions for Neutrinos and New Physics from Forward Heavy Hadron Production at the LHC
        Speaker: Dr Luca Rottoli (University of Zurich (CH))
        rottoli_forwardhadron_Manchester.pdf
    • 10:20
      Coffee break Jocelyn Bell Burnell Lecture Theatre, Schuster Building

      Jocelyn Bell Burnell Lecture Theatre, Schuster Building

      University of Manchester
    • WG5 track Jocelyn Bell Burnell Lecture Theatre, Schuster Building

      Jocelyn Bell Burnell Lecture Theatre, Schuster Building

      University of Manchester
      Conveners: Jack Holguin, Valentina Zaccolo (Universita e INFN Trieste (IT))
      • 23
        Energy-energy correlations in heavy-ion collisions
        Speaker: Carlota Andres (Ecole Polytechnique, CPHT)
        andrescMPI2023.pdf
      • 24
        Event-by-event hadron correlations in ALICE experiment
        Speaker: Ante Bilandzic (Technische Universitaet Muenchen (DE))
        Bilandzic_MPI@LHC-v9.pdf
      • 25
        Light-nuclei identification in fixed-target measurements for cosmic rays physics
        Speaker: Chiara Lucarelli (Universita e INFN, Firenze (IT))
        MPI23_v1.pdf
      • 26
        Extracting the speed of sound in the strongly interacting matter in ultrarelativistic nuclear collisions
        Speaker: Austin Alan Baty (University of Illinois Chicago)
        Baty_MPIatLHC_2023_SpeedOfSoundCMS_v2.pdf
      • 27
        Hadronic interactions in Angantyr with applications to hadronic cascades
        Speaker: Marius Utheim
    • 12:30
      Lunch Krobar

      Krobar
    • WG3 track Jocelyn Bell Burnell Lecture Theatre, Schuster Building

      Jocelyn Bell Burnell Lecture Theatre, Schuster Building

      University of Manchester
      • 28
        Quark spin in string hadronization
        Speaker: Albi Kerbizi (Universita e INFN Trieste (IT))
        Kerbizi_MPI@LHC2023.pdf
      • 29
        Searching collective-like effects for heavy-flavour in small systems with ALICE
        Speaker: Yoshini Bailung (Indian Institute of Technology Indore (IN))
        MPI@LHC23-Yoshini-vF.pdf
      • 30
        Investigating collective effects in small collision systems using PYTHIA8 and EPOS4 simulations
        Speaker: Alexandru Manea (Institute of Space Science (RO))
        amanea_talkMPI2023.pdf
      • 31
        Charged-particle production as a function of the relative transverse activity classifier in pp, p--Pb, and Pb--Pb collisions at the LHC
        Speaker: Paola Vargas Torres (Universidad Nacional Autonoma (MX))
        MPI-PresentationRT_v3.pdf
      • 32
        Fitting a deep generative hadronization model
        Speaker: Andrzej Konrad Siodmok (Jagiellonian University (PL))
        MPIatLHC_Siodmok_2023.pdf
      • 33
        Quarkonium as a probe of multiple parton interaction and collectivity in pp collisions with ALICE
        Speaker: Ida Storehaug (University of Oslo (NO))
        QuarkoniumMPI_Storehaug.pdf
    • 16:00
      Coffee break Jocelyn Bell Burnell Lecture Theatre, Schuster Building

      Jocelyn Bell Burnell Lecture Theatre, Schuster Building

      University of Manchester
    • WG2 track Jocelyn Bell Burnell Lecture Theatre, Schuster Building

      Jocelyn Bell Burnell Lecture Theatre, Schuster Building

      University of Manchester
      • 34
        Latest measurements of DPS using Quarkonia from all experiment
        Speaker: Maria Elena Ascioti (Universita e INFN, Perugia (IT))
        DPS_at_LHC_MPI_Manchester_Ascioti.pdf
      • 35
        Six-jet production via double and triple parton scatterings in p-p and p-Pb collisions at the LHC
        Speaker: Marina Maneyro (Universidad de la Republica, Uruguay)
        SixjetTPS_final.pdf
      • 36
        Exploring high-purity multi-parton scattering at hadron colliders
        Speaker: Dr Luca Rottoli (University of Zurich (CH))
        rottoli_MPI_Manchester.pdf
      • 37
        Numerical impact of NLO splitting in double parton distributions

        For short distances between the two probed partons double parton distributions (DPDs) are dominated by a perturbative $1 \to 2$ splitting which can be calculated in perturbation theory. In this talk I will briefly sketch how this splitting can be computed and then discuss the numerical impact of including the NLO contribution to this splitting. Besides modifying the overall size and shape of DPDs and DPD luminosities, one finds that the NLO contribution is crucial in reducing different kinds of scale uncertainties which are rather large at LO.

        Speakers: Peter Josef Ploessl, Peter Ploessl
        2023_11_21_MPI@LHC2023_Ploessl.pdf
      • 38
        Multiple Parton Scattering: Symmetrising Pythia
        Speaker: Ms Lawrie Smith
        MPI@LHC.pdf
        MPI@LHC.pptx
  • Wednesday 22 November
    • WG2 track Jocelyn Bell Burnell Lecture Theatre, Schuster Building

      Jocelyn Bell Burnell Lecture Theatre, Schuster Building

      University of Manchester
      • 39
        Latest measurements using Hard Objects from all experiment
        Speaker: Ankita Mehta (University of Hamburg)
        MPIatLHC2023_LHC_dpsWW_am.pdf
      • 40
        Evolution of colour dependent double parton distributions: a quantitative study
        Speaker: Markus Diehl
        mpi.pdf
      • 41
        Towards Double Parton Distributions from First Principles using Large Momentum Effective Theory
        Speaker: Rudi Rahn (University of Bern)
        MPI23_Rahn.pdf
      • 42
        Triple parton scatterings in high-energy proton-proton and proton-nucleus collisions
        Speaker: David d'Enterria (CERN)
        dde_TPS_pp_pA_MPI2023_nov23.pdf
    • 10:20
      Coffee break Jocelyn Bell Burnell Lecture Theatre, Schuster Building

      Jocelyn Bell Burnell Lecture Theatre, Schuster Building

      University of Manchester
    • WG5 track Jocelyn Bell Burnell Lecture Theatre, Schuster Building

      Jocelyn Bell Burnell Lecture Theatre, Schuster Building

      University of Manchester
      Conveners: Jack Holguin, Valentina Zaccolo (Universita e INFN Trieste (IT))
    • 12:30
      Lunch Krobar

      Krobar
    • WG1 track: REMOTE TALKS Jocelyn Bell Burnell Lecture Theatre, Schuster Building

      Jocelyn Bell Burnell Lecture Theatre, Schuster Building

      University of Manchester
      Conveners: Andrzej Konrad Siodmok (Jagiellonian University (PL)), Matt LeBlanc (University of Manchester (GB))
      • 48
        EPOS4 overview
        Speakers: Klaus WERNER, Klaus WERNER (subatech)
        mpi.pdf
      • 49
        Probing factorization violation with vector angularities
        Speaker: Wouter Waalewijn (University of Amsterdam)
        MPI@LHC 2023.pdf
      • 50
        Tuning Pythia for Forward Physics Experiments
        Speaker: Max Fieg (University of California Irvine (US))
        Tuning_Pythia_MPI.pdf
      • 51
        Color Reconnection Effects in J/ψ Hadroproduction
        Speakers: Anna Maria Stasto (Pennsylvania State University (US)), Anna Stasto, Anna Stasto
      • 52
        ALICE UE/MPI/Hadronization talk
        Speaker: Haidar Masud Alfanda (Central China Normal University CCNU (CN))
        Haidar_MPI2023_v2.pdf
    • Remote session: Mixed Jocelyn Bell Burnell Lecture Theatre, Schuster Building

      Jocelyn Bell Burnell Lecture Theatre, Schuster Building

      University of Manchester
      • 53
        Recent results on soft and hard diffraction at the LHC
        Speaker: Christophe Royon (The University of Kansas (US))
        mpi2023.pdf
    • 16:00
      Coffee break Jocelyn Bell Burnell Lecture Theatre, Schuster Building

      Jocelyn Bell Burnell Lecture Theatre, Schuster Building

      University of Manchester
    • 16:30
      Free time to visit Manchester Museum Jocelyn Bell Burnell Lecture Theatre, Schuster Building

      Jocelyn Bell Burnell Lecture Theatre, Schuster Building

      University of Manchester
  • Thursday 23 November
    • 09:00
      Conference Excursion: Jodrell Bank Observatory Jodrell Bank Observatory

      Jodrell Bank Observatory
    • WG4 session Jocelyn Bell Burnell Lecture Theatre, Schuster Building

      Jocelyn Bell Burnell Lecture Theatre, Schuster Building

      University of Manchester
      Conveners: Cristian Baldenegro Barrera 🎉 (Sapienza Università di Roma), Dr Francesco Giovanni Celiberto (UAH Madrid)
      • 54
        Results on forward particle production and energy flow at the LHC
        Speakers: Oscar Adriani (Universita e INFN, Firenze (IT)), Oscar Adriani
        Adriani_MPI@LHC_231123.pdf
      • 55
        Recent results of the FASER experiment
        Speaker: Michaela Queitsch-Maitland (University of Manchester (GB))
        FASER_MQueitschMaitland_MPI@LHC.pdf
      • 56
        Small-x resummation for parton distribution functions
        Speaker: Federico Silvetti
        MPI23_Silvetti.pdf
    • 15:30
      Coffee break Jocelyn Bell Burnell Lecture Theatre, Schuster Building

      Jocelyn Bell Burnell Lecture Theatre, Schuster Building

      University of Manchester
    • WG1 track Jocelyn Bell Burnell Lecture Theatre, Schuster Building

      Jocelyn Bell Burnell Lecture Theatre, Schuster Building

      University of Manchester
      Conveners: Andrzej Konrad Siodmok (Jagiellonian University (PL)), Matt LeBlanc (University of Manchester (GB))
      • 57
        LHCb Overview
        Speaker: Imanol Corredoira (Universidade de Santiago de Compostela (ES))
        icorredo_MPI_v2.pdf
      • 58
        Two approaches to hadronization reweighting
        Speaker: Christian Bierlich (Lund University (SE))
        cbierlich.pdf
      • 59
        Hadronization and Decay of Excited Heavy Hadrons in Herwig 7
        Speaker: MOHAMMAD,REZA MASOUMINIA
        Aidin-MPIatLHC.pdf
      • 60
        Colour Evolution and Infrared Physics
        Speakers: Simon Plaetzer (ITP, Universitaet Karlsruhe), Simon Platzer (University of Graz (AT))
        slides-compressed.pdf
      • 61
        Energy dependence of underlying-event observables with ALICE at the LHC
        Speaker: Feng Fan (Central China Normal University CCNU (CN))
        MPI23_feng_v4.pdf
      • 62
        Angular Correlations of Baryons as a Probe for Colour Reconnection and Hadronization
        Speaker: Stefan Kiebacher
        StefanKiebacher_MPI_at_LHC.pdf
    • 20:00
      Conference Dinner Wharf Restaurant

      Wharf Restaurant
  • Friday 24 November
    • WG4 session Jocelyn Bell Burnell Lecture Theatre, Schuster Building

      Jocelyn Bell Burnell Lecture Theatre, Schuster Building

      University of Manchester
      Conveners: Cristian Baldenegro Barrera 🎉 (Sapienza Università di Roma), Dr Francesco Giovanni Celiberto (UAH Madrid)
      • 63
        Results on two-photon fusion processes at the LHC
        Speaker: Lydia Audrey Beresford (Deutsches Elektronen-Synchrotron (DE))
        Beresford_MPIatLHC_Nov23.pdf
      • 64
        Results on photonuclear interactions at the LHC
        Speaker: Orlando Villalobos Baillie (University of Birmingham (GB))
        Results on Photonuclear Interactions at the LHC.pdf
      • 65
        Double Parton Scattering at the EIC and double J/ψ photo production
        Speakers: Matteo Rinaldi, Matteo Rinaldi
        Rinaldi.pdf
      • 66
        High-energy logarithmic corrections within the HEJ framework
        Speaker: Emmet Byrne
        MPI_at_LHC_EB.pdf
      • 67
        Next-to-leading BFKL predictions for Mueller-Tang jets at LHC
        Speaker: Dimitri Colferai (University of Florence (Italy))
        colferai.pdf
    • 10:40
      Coffee break Jocelyn Bell Burnell Lecture Theatre, Schuster Building

      Jocelyn Bell Burnell Lecture Theatre, Schuster Building

      University of Manchester
    • 68
      WG1 Summary Jocelyn Bell Burnell Lecture Theatre, Schuster Building

      Jocelyn Bell Burnell Lecture Theatre, Schuster Building

      University of Manchester
      Speakers: Andrzej Konrad Siodmok (Jagiellonian University (PL)), Matt LeBlanc (University of Manchester (GB))
      MPI2023-2.pdf
    • 69
      WG2 summary Jocelyn Bell Burnell Lecture Theatre, Schuster Building

      Jocelyn Bell Burnell Lecture Theatre, Schuster Building

      University of Manchester
      Speakers: Oleh Fedkevych (Georgia State University and CFNS), Stefanos Leontsinis (University of Zurich (CH))
      merged_wg2.pdf
    • 70
      WG3 summary Jocelyn Bell Burnell Lecture Theatre, Schuster Building

      Jocelyn Bell Burnell Lecture Theatre, Schuster Building

      University of Manchester
      Speakers: Christian Bierlich (Lund University (SE)), Fabio Colamaria (INFN, Sezione di Bari (IT))
      MPI@LHC - WG3 Review (Experimental).pdf
      wg3-theory-summary.pdf
    • 12:40
      Lunch Krobar

      Krobar
    • 71
      WG4 summary Jocelyn Bell Burnell Lecture Theatre, Schuster Building

      Jocelyn Bell Burnell Lecture Theatre, Schuster Building

      University of Manchester
      Speakers: Cristian Baldenegro Barrera 🎉 (Sapienza Università di Roma (IT)), Dr Francesco Giovanni Celiberto (UAH Madrid)
      MPI_2023_WG4_Summary_Celiberto.pdf
      WG4ExperimentalSummary.pdf
    • 72
      WG5 summary Jocelyn Bell Burnell Lecture Theatre, Schuster Building

      Jocelyn Bell Burnell Lecture Theatre, Schuster Building

      University of Manchester
      Speakers: Jack Holguin, Dr Jack Holguin (CPHT, Ecole Polytechnique), Valentina Zaccolo (Universita e INFN Trieste (IT))
      SummaryMPI@LHC.pdf
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