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3DPartons week

→ Europe/Paris
Description

3DPartons is a virtual access infrastructure supported by the European project STRONG-2020. 3DPartons gives access to open-source computing codes necessary for high precision phenomenology in the field of 3D hadron structure. Benefiting from the experience of decades of parton distribution function (PDF) studies, the GPD and TMD communities can find in 3DPartons a forum where they can mutualize knowledge and know-how about scientific and technical problems related to the complexity of the GPD and TMD computing chains.

Participants
42 View full list
  • Wednesday 26 October
    • GPDs at EIC
      Convener: Pietro Dall'Olio (Universidad de Huelva)
      • 1
        Welcome
        Speaker: Cédric Mezrag
        Welcome.pdf
      • 2
        Exclusive processes with the ePIC detector at the Electron-Ion Collider
        Speaker: Daria Sokhan (CEA Saclay / Glasgow U.)
        3DPARTONS.pdf
      • 3
        Overview and prospects of DVCS studies for EIC
        Speaker: Salvatore Fazio (Universita della Calabria e INFN (IT))
        Fazio_Saclay_2022.pdf
      • 10:30
        Coffee Break
      • 4
        Low and moderate x gluon contributions to DVCS, TCS and DDVCS
        Speaker: Renaud BOUSSARIE (CPHT, CNRS, Ecole polytechnique, IP Paris)
        Boussarie3Dpartons.pdf
      • 5
        EpIC: A Monte Carlo event generator for exclusive processes

        There has been an increasing interest in exclusive processes in recent years. Part of this interest stems from the open questions of how the spin of the proton is decomposed into its intrinsic spin and orbital motions, along with the possibility of gaining energy-momentum densities through exclusive processes. During this presentation, we will introduce the EpIC Monte Carlo event generator. By utilizing the PARTONS framework, the EpIC generator offers a flexible structure and a variety of model options which make it an attractive tool for the community. In addition, the EpIC generator incorporates first-order radiative corrections in its architecture. Therefore, EpIC offers a comprehensive set of features that will enable nucleon structure to be studied more deeply through impact studies on future electron-ion colliders.

        Speaker: Kemal Tezgin
        KT_Orsay.pdf
      • 6
        Exploring the Nucleus in 3D with GPDs
        Speaker: Raphaël Dupré (IJCLab, Univ. Paris-Saclay)
        Nuclear_GPDs.pdf
    • 12:30
      Lunch Break
    • GPDs on the lattice
      Convener: Hervé MOUTARDE
    • GPDs at LHC
      Convener: Hervé MOUTARDE
      • 9
        GPDs in UPC with Lepton pair production
        Speaker: Jakub Wagner
        3DPartons.pdf
      • 15:30
        Coffee Break
      • 10
        Aspects of the modelling of GPDs at very small Bjorken-x

        Heavy meson photoproduction in UPC provides a welcome indirect access to gluon PDFs in the very small x region. Technically, the cross-section involves generalised parton distributions (GPDs). A popular proposal to relate the GPDs to PDFs based on the Shuvaev transform has been used to interpret recent experimental data. I propose to discuss in detail the regime of validity of this proposal and to provide tools to quantify the level of uncertainty one can expect from such modelling.

        Speaker: Dr Hervé Dutrieux (CEA Saclay/Irfu)
        Presentation_2022_10_26__3D_partons_.pdf
      • 11
        Matching GTMDs onto GPDs
        Speaker: Dr Valerio Bertone (C.E.A. Paris-Saclay)
        bertone_3DPartons_26_10_2022.pdf
    • DVMP and multiparticle exclusive processes
      Convener: Hervé MOUTARDE
      • 12
        Diphoton photoproduction on a nucleon at next to leading order
        Speaker: Lech Szymanowski (National Centre for Nuclear Research)
        LechSzym3DPartonsOrsay2022.pdf
  • Thursday 27 October
  • Friday 28 October
    • DVMP and multiparticle exclusive processes
      Convener: Hervé Dutrieux (CEA Saclay/Irfu)
      • 24
        Hard Exclusive Meson Production at COMPASS
        Speaker: Mr Kamil Augsten (Czech Technical University (CZ))
        KAugsten_3DPartons.pdf
      • 25
        Higher order and higher-twist aspects of DV and photoproduction of mesons
        Speaker: Kornelija Passek-Kumerički (Ruđer Bošković Institute, Zagreb, Croatia)
        Pariz2022_Passek_Kumericki.pdf
      • 10:30
        Coffee Break
      • 26
        Opportunities for DDVCS measurements at Jefferson Lab
        Speaker: Eric Voutier
        3DParton-DDVCS_Eric.pdf
      • 27
        Phenomenology of DDVCS in the era of new experiments
        Speaker: Victor Martinez
        VIctor_Friday.pdf
      • 28
        Accessing GPDs through the exclusive photoproduction of a photon-meson pair with a large invariant mass
        Speaker: Saad Nabeebaccus (IJCLab)
        3D-partons.pdf
    • 12:30
      Lunch Break
    • Modelling, coding and extraction efforts
      Convener: Dr maxime defurne (CEA-Saclay)
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