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UPC2025: The second international workshop on the physics of Ultra Peripheral Collisions

9–13 Jun 2025
Saariselkä, Finland
Europe/Helsinki timezone

Session

Overview

9 Jun 2025, 10:25
Saariselkä, Finland

Saariselkä, Finland

Lapland Hotels Riekonlinna

Presentation materials

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  1. 95. Welcome
    Dr Heikki Mäntysaari, Dr Ilkka Helenius (University of Jyväskylä)
    09/06/2025, 10:25
  2. 10. Experimental overview on UPC results at STAR
    Chi Yang (Shandong University)
    09/06/2025, 10:40
    Plenary

    Experimental overview on UPC results at STAR.

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  3. 87. Experimental overview on UPC results from CMS
    Zaochen Ye (South China Normal University)
    09/06/2025, 11:10
    Plenary

    An invited overview talk

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  4. 88. Experimental overview on UPC results from LHCb
    Ronan Mcnulty (University College Dublin (IE))
    09/06/2025, 11:40
    Plenary

    Invited overview talk

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  5. 72. Experimental overview on UPC results from ALICE
    Adam Matyja (Polish Academy of Sciences (PL))
    09/06/2025, 13:40
    Plenary

    The ALICE Collaboration has extensively studied coherent and incoherent J/$\psi$ photoproduction, as well as coherent $\psi$' in ultra-peripheral Pb-Pb collisions using the Run 2 data set, including results from exclusive and dissociative J/$\psi$ mesons in ultra-peripheral p-Pb interactions, together also with the |t|-dependence of (in)coherent J/$\psi$. These measurements, which studied...

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  6. 104. Experimental overview on UPC results from ATLAS
    Valerie Lang (University of Freiburg (DE))
    09/06/2025, 14:10
    Plenary

    Invited overview talk

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  7. 77. Overview of different approaches to exclusive production at small x
    Tuomas Lappi
    09/06/2025, 14:40
    Exclusive processes and small-x physics

    Exclusive processes in high energy collisions can be described in terms of either a collinear factorization or a dipole approach. While these approaches have a common limit, they also differ in many ways. For example one can consider it more important to resum large logarithms of either transverse or longitudinal momenta. There can also be different views about whether the dominant transverse...

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  8. 21. Monte Carlo event generators for UPCs and photon-mediated processes
    Dr Lucian Alexander Harland-Lang (University College London)
    09/06/2025, 15:40
    Monte Carlo event generators for UPCs and photon-mediated processes

    I will present an overview on the topic of Monte Carlo event generators for UPCs and photon-mediated processes

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  9. 14. Partonic structure of nuclei from UPCs
    Vadim Guzey (University of Jyvaskyla)
    09/06/2025, 16:10
    Inclusive and diffractive processes and photon, proton and nuclear structure

    We will present an overview of theoretical and phenomenological studies on the partonic structure of nuclei and small-x dynamics of QCD using photon-nucleus scattering in UPCs. In particular, we review implications of exclusive charmonium and inclusive dijet production in Pb-Pb UPCs at the LHC as well as discuss the potential of new measurements of diffractive dijet and inclusive heavy quark...

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  10. 25. Probing New Physics in UPCs: Recent results and prospects
    Prof. Victor Gonçalves (Universidade Federal de Pelotas)
    09/06/2025, 16:40
    Photon-photon physics, precision tests of SM and BSM

    Over the last years, several authors have demonstrated that the study of exclusive processes in hadronic collisions provides new possibilities for the investigation of the Quantum Electrodynamics and Quantum Chromodynamics at high energies, as well as to searching for Beyond the Standard Model (BSM) Physics. In this talk, I will review the recent predictions for the production of new particles...

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  11. 7. Collectivity in UPC and p+A collisions
    Bjoern Schenke (Brookhaven National Lab)
    09/06/2025, 17:10
    New directions in UPCs, connection to heavy-ion physics, and synergies with EIC and other facilities

    I will review the status of our understanding of collectivity in ultra peripheral heavy ion and p+A collisions.

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  12. 105. Connections of UPC to future experiment
    Dr Zhoudunming Tu (BNL), Zhoudunming Tu
    13/06/2025, 15:50
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