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Low-x 2025

8–12 Sept 2025
Medulin, Croatia
Europe/Rome timezone

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Contribution List

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  1. 14. Welcome
    Christophe Royon (The University of Kansas (US)), Sanjin Benić
    08/09/2025, 09:00
  2. 15. Modern PDFs their disagreements and how to improve
    Amanda Sarkar (University of Oxford (GB)), amanda sarkar
    08/09/2025, 09:10
  3. 16. Quark TMD: Bridging small- and large-x through MSTT factorization
    Swagato Mukherjee
    08/09/2025, 09:40
  4. 17. Extracting the gluon density at the Electron-Ion Collider from F_L measurements
    Javier Jiménez-López (University of Alcalá)
    08/09/2025, 10:10
  5. 18. A second detector for the Electron-Ion Collider (EIC)
    Pawel Nadel-Turonski (University of South Carolina)
    08/09/2025, 11:10
  6. 19. Recent jet cross section and PDF measurements in CMS
    Daniel Savoiu (KIT), Daniel Savoiu (Hamburg University (DE))
    08/09/2025, 11:40
  7. 20. Discussion: QCD fits and PDFs, complementarity between LHC and EIC
    Amanda Sarkar (University of Oxford (GB)), Daniel Savoiu (Hamburg University (DE)), Pawel Nadel-Turonski (University of South Carolina)
    08/09/2025, 12:10
  8. 21. From Multiperipheral Models to BFKL Dynamics in Mueller–Navelet Jets
    Agustin Sabio Vera, Prof. Agustin Sabio Vera, Mr Dario Vaccaro (Laboratório de Instrumentação e Física Experimental de Partículas (LIP))
    08/09/2025, 15:00
  9. 25. Non-perturbative TMD physics from lattice QCD
    Swagato Mukherjee
    08/09/2025, 15:30
  10. 22. Low-x perspective on twist decomposition of the proton structure functions
    Mariusz Sadzikowski (Jagiellonian University), Mariusz Sadzikowski
    08/09/2025, 16:00
  11. 26. What HERA taught us about low-x
    Amanda Sarkar (University of Oxford (GB)), amanda sarkar
    08/09/2025, 17:00
  12. 27. Discussion: BFKL and low x physics
    Leszek Motyka, Mariusz Sadzikowski (Jagiellonian University), Mariusz Sadzikowski
    08/09/2025, 17:30
  13. 29. Overview of the latest CMS UPC and photonuclear results
    Luis Alcerro Alcerro (The University of Kansas (US))
    09/09/2025, 09:00
  14. 30. Overview of recent UPC measurements with the ATLAS Detector
    Weronika Stanek-Maslouska (Deutsches Elektronen-Synchrotron (DE))
    09/09/2025, 09:30
  15. 31. Looking for saturation at the LHC in Pb Pb data
    Christophe Royon (The University of Kansas (US))
    09/09/2025, 10:00
  16. 32. Exclusive Photoproduction of Photon-Pion in Saturation Framework
    Joseph Yarwick (IJC Lab, University Paris-Saclay)
    09/09/2025, 11:00
  17. 33. BFKL phenomenology via eigenfunctions of the NLO kernel
    Prof. ALESSANDRO PAPA (Università della Calabria & INFN-Cosenza), Alessandro Papa, Alessandro Papa
    09/09/2025, 11:30
  18. 34. Discussion: HIN UPC and saturation
    Christophe Royon (The University of Kansas (US)), Cyrille Marquet (CPHT - Ecole Polytechnique), Swagato Mukherjee
    09/09/2025, 12:00
  19. 35. Update on the odderon discovery from TOTEM
    Frigyes Janos Nemes (CERN (also at Wigner RCP Budapest, Hungary)), Frigyes Nemes (MTA KFKI)
    09/09/2025, 15:00
  20. 36. Connection between H(x) scaling and geometric scaling in elastic proton-proton collisions
    Tamas Csorgo (MATE Institute of Technology Karoly Robert Campus (HU)), Tamás Ferenc Csörgö (Wigner RCP Budapest and MATE Institute of Technology, Gyöngyös, Hungary)
    09/09/2025, 15:30
  21. 55. Diffractive results and prospects from CMS
    Michael Pitt (CERN)
    09/09/2025, 16:00
  22. 72. Transverse Single Spin Asymmetry from Pomeron-Odderon Interference
    Mr Eric Andreas Vivoda (Department of Physics, Faculty of Science, University of Zagreb), Mr Eric Andreas Vivoda (PMF Zagreb)
    09/09/2025, 17:00
  23. 38. Discussion: odderon and soft diffraction
    Michael Pitt (CERN), Sanjin Benić
    09/09/2025, 17:30
  24. 74. Commemoration for Laszlo Jenkovszky
    Tamas Csorgo (MATE Institute of Technology Karoly Robert Campus (HU)), Tamás Ferenc Csörgö (Wigner RCP Budapest and MATE Institute of Technology, Gyöngyös, Hungary)
    09/09/2025, 18:15
  25. 75. Commemoration for Michele Arneodo
    Ada Solano (Universita' di Torino e INFN (IT)), Marta Ruspa (Universita e INFN Torino (IT))
    09/09/2025, 18:30
  26. 52. Prospects of CEP studies at the LHC
    Valery Khoze (University of Durham (GB))
    10/09/2025, 09:00
  27. 53. Recent PPS results and prospects
    Istvan Szanyi (MATE KRC, University of Kansas, Wigner RCP), Mr István Szanyi (Eötvös Loránd University)
    10/09/2025, 09:30
  28. 54. Overview of ATLAS forward proton detectors: status, performance and new physics results
    Maciej Trzebinski (Polish Academy of Sciences (PL))
    10/09/2025, 10:00
  29. 37. Numerical Calculation of Coulomb Corrections in Forward Elastic pp and pA Scattering
    Andrei Poblaguev, Andrei Poblaguev (Brookhaven National Laboratory)
    10/09/2025, 11:00
  30. 56. Recent diffractive physics results from LHCb
    Krista Lizbeth Smith (Pusan National University (KR)), Krista Smith
    10/09/2025, 11:30
  31. 57. Discussion: diffraction and gamma gamma physics
    Maciej Trzebinski (Polish Academy of Sciences (PL)), Valery Khoze (University of Durham (GB))
    10/09/2025, 12:00
  32. 39. Review of recent RHIC Spin Results
    Bernd Surrow, Prof. Bernd Surrow (Temple University), Bernd Surrow
    10/09/2025, 15:00
  33. 40. JLab Program on Spin and 3d Structure Physics
    Jian-Ping Chen
    10/09/2025, 15:30
  34. 41. Review of the COMPASS spin programme
    Barbara Badelek (University of Warsaw (PL))
    10/09/2025, 16:00
  35. 42. Recent results in extracting GPDs and related form factors from deeply virtual exclusive scattering data
    Kresimir Kumericki, Krešimir Kumerički
    10/09/2025, 17:00
  36. 43. The LHCspin project
    Marco Santimaria, Marco Santimaria (INFN e Laboratori Nazionali di Frascati (IT))
    10/09/2025, 17:30
  37. 44. Discussion: spin and GPD
    Barbara Badelek (University of Warsaw (PL)), Jian-Ping Chen, Marco Santimaria, Marco Santimaria (INFN e Laboratori Nazionali di Frascati (IT))
    10/09/2025, 18:00
  38. 76. General Public talk: A journey to understand the proton
    Christophe Royon (The University of Kansas (US))
    10/09/2025, 18:45
  39. 45. Jet and jet substructure results
    Nico Timothy Toikka (Helsinki Institute of Physics (FI))
    11/09/2025, 09:00
  40. 46. Vector boson production in CMS: single boson production
    Mr Max Vanden Bemden (Universite Libre de Bruxelles (BE))
    11/09/2025, 09:30
  41. 47. Vector boson physics at CMS: Multiboson
    Vieri Candelise (Universita di Roma I "La Sapienza"-Universita & INFN, Roma I), Vieri Candelise (Universita e INFN Trieste (IT))
    11/09/2025, 10:00
  42. 48. Measurement of vector boson plus jets and multi-jets production in ATLAS
    Evelin Meoni (Universita della Calabria e INFN (IT))
    11/09/2025, 11:00
  43. 49. Developments in collinear and TMD heavy boson probability density functions
    Keila Moral Figueroa (CMS)
    11/09/2025, 11:30
  44. 50. The role of NLO and higher-twist effects in deeply virtual meson production
    Kornelija Passek-K. (Ruđer Bošković Institute, Zagreb, Croatia), Kornelija Passek-Kumerički
    11/09/2025, 12:00
  45. 51. Discussion: final states, jets, vector meson+jet
    Evelin Meoni (Universita della Calabria e INFN (IT)), Vieri Candelise (Universita di Roma I "La Sapienza"-Universita & INFN, Roma I), Vieri Candelise (Universita e INFN Trieste (IT))
    11/09/2025, 12:30
  46. 77. Workshop tour
    11/09/2025, 15:30
  47. 68. Precision measurements of Drell-Yan processes in ATLAS
    Tetiana Hryn'ova (Centre National de la Recherche Scientifique (FR))
    12/09/2025, 09:00
  48. 60. Top quark production in semi-exclusive collisions and intrajet collectivity probes at the LHC
    Javier Alberto Murillo Quijada (Universidad de Sonora (MX))
    12/09/2025, 09:30
  49. 58. Top physics and jet results in heavy ion interactions
    Dr Georgios Krintiras (The University of Kansas (US))
    12/09/2025, 10:00
  50. 61. Multiplicity distributions in DIS for heavy nucleus
    José Garrido
    12/09/2025, 11:00
  51. 62. Forward gamma-Hadron TEEC and Azimuthal Correlations in Proton-Proton and Proton-Lead Collisions at the LHC
    Ishita Ganguli
    12/09/2025, 11:30
  52. 59. Recent results from pO and OO runs at the LHC
    Jing Wang, Jing Wang (Massachusetts Inst. of Technology (US)), jing wang
    12/09/2025, 12:00
  53. 64. Discussion: HIN, QGP, diffraction
    12/09/2025, 12:30
  54. 65. Study of soft QCD phenomena and double parton interaction in ATLAS
    Sergio Javier Arbiol Val (Polish Academy of Sciences (PL))
    12/09/2025, 15:00
  55. 66. Two- and three-particle Bose-Einstein correlations in small collision systems at LHCb
    Marcin Kucharczyk (Syracuse), Marcin Kucharczyk (Polish Academy of Sciences (PL)), Marcin Kucharczyk (Polish Academy of Sciences (PL))
    12/09/2025, 15:30
  56. 67. Probing hadron structure through exclusive photoproduction of a photon-meson pair
    Goran Duplancic (Institute Ruder Boskovic, Zagreb), Goran Duplančić
    12/09/2025, 16:00
  57. 70. Discussion: final state, particle production, Drell-Yan
    Evelin Meoni (Universita della Calabria e INFN (IT)), Vieri Candelise (Universita di Roma I "La Sapienza"-Universita & INFN, Roma I), Vieri Candelise (Universita e INFN Trieste (IT))
    12/09/2025, 17:00
  58. 71. Workshop conclusion and difflowx 2026
    Christophe Royon (The University of Kansas (US)), Dr Georgios Krintiras (The University of Kansas (US)), Sanjin Benić
    12/09/2025, 17:45
  59. 5. Computation of NLO diffractive structure functions for DIS
    Mats Kampshoff (The University of Kansas)

    We compute the $q\bar{q}g$ part of the NLO diffractive structure functions for deep-inelastic scattering using quasi Monte Carlo methods and compare to LO results.

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  60. 11. Developments in collinear and TMD heavy boson probability density functions
    Keila Moral Figueroa (CMS)

    Heavy boson densities are determined by solving extended DGLAP-type evolution equations that include all known strongly and weakly interacting partons and bosons. We use the Parton-Branching (PB) approach, which also allows for the direct extraction of Transverse Momentum Dependent (TMD) densities.

    The initial distributions are fitted to high-precision Deep Inelastic Scattering data from...

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  61. 63. Exclusive vector production of ePIC detector at EIC
    Ayman A. Al-Bataineh (Yarmouk University), Ayman Ahmad Al-Bataineh, Ayman Ahmad Al-Bataineh (U), Ayman Ahmad Al-Bataineh (University of Kansas (US))
  62. 8. Exploring Frontiers of TMD Physics with Lattice QCD
    Swagato Mukherjee

    Transverse-momentum-dependent parton distributions (TMDs) are essential for unraveling the three-dimensional structure of hadrons, forming a core scientific component of the Electron-Ion Collider (EIC) program. Employing a novel Coulomb-gauge-fixed lattice QCD approach at physical quark masses, we reliably access transverse separations up to approximately 1 fm, corresponding to the small...

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  63. 13. Extracting the gluon density at the Electron-Ion Collider from $F_L$ measurements
    Javier Jiménez-López (University of Alcalá)

    We explore the potential for the extraction of the longitudinal structure function $F_L$ and the determination of the gluon unpolarized PDF from it. The impact of differing assumptions on sample sizes, systematic uncertainties and beam energy scenarios are investigated. With a sufficiently large number of center-of-mass energy configurations and well-controlled systematics, the EIC will...

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  64. 73. Forward $\gamma$-hadron TEEC and Azimuthal Correlations in Proton-Proton and Proton-Lead Collisions at the LHC
    Ishita Ganguli

    We study photon-hadron Transverse Energy-Energy Correlators (TEEC) and azimuthal correlation in the forward rapidity region for pp and p$Pb$ collisions, in light of the planned detector upgrades at high luminosity LHC. The computation is based on the hybrid $k_T$ factorization, implemented at parton level in KaTie, supplemented by initial and final state radiation as well as hadronization via...

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  65. 9. Inclusive open charm photoproduction in ultraperipheral collisions at the LHC with G$\gamma$A-FONLL
    Dr Gian Michele Innocenti (Massachusetts Inst. of Technology (US))

    Ultraperipheral heavy-ion collisions (UPCs) offer a clean way to study photon–nucleus interactions at high energy. In this talk, we present the first next-to-leading order predictions for inclusive $D^0$ production in Pb–Pb UPCs at the LHC, obtained with the new G$\gamma$A–FONLL framework. The framework relies on FONLL (Fixed-Order Next-to-Leading Logarithm) to model heavy-quark production in...

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  66. 3. Low-x perspective on twist decomposition of the proton structure functions
    Mariusz Sadzikowski

    We discuss a twist decomposition of the proton structure functions within
    the frameworks of the Balitsky-Fadin-Kurayev-Lipatov and Balitsky-Kovchegov equations and argue that in both cases the higher twist effects are strongly suppressed. This implies that unitarization effects of high energy scattering amplitudes are mostly the leading twist effect.

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  67. 7. Monte Carlo Simulation for the LHC Experiments at CERN: A Comprehensive Overview
    Marija Rapseviciute (Vilnius University (LT))

    This overview of the Monte Carlo (MC) simulation process at the four main experiments - ATLAS, CMS, ALICE, and LHCb - at the Large Hadron Collider (LHC) is provided in this talk. Given the complexity and noise of proton-proton collisions, simulated samples are essential for understanding and interpreting the experimental results, enabling precise measurements and searches for new physics. The...

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  68. 12. Nonuniversality of charm and beauty fragmentation and its impact on measurements at LHC and in neutrino(astro)physics
    Achim Geiser (Deutsches Elektronen-Synchrotron (DE))

    Fragmentation of charm and beauty quarks into charm and beauty hadrons in pp collisions at LHC has recently been measured to be nonuniversal, with deviations from universality as established from e+e- collisions by up to an order of magnitude.
    We review these measurements and find a simple entirely data-driven phenomenological parametrization of this nonuniversality. We apply this to the...

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  69. 10. Numerical Calculation of Coulomb Corrections in Forward Elastic $p^\uparrow{p}$ and $p^\uparrow{A}$ Scattering
    Andrei Poblaguev

    The analysis of transverse analyzing powers $A_\text{N}^{pA}(t)$ in proton-nucleus scattering, as measured by the RHIC hydrogen gas jet target polarimeter (HJET), requires precise Coulomb corrections to both spin-flip and non-flip amplitudes. These corrections must account for a broad range of nuclear charges $Z$ and form factor slopes, while allowing flexibility to vary form factors during...

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  70. 69. Open slott
  71. 6. Overview of ATLAS forward proton detectors: status, performance and new physics results
    Maciej Trzebinski (Polish Academy of Sciences (PL))

    A key focus of the physics program at the LHC is the study of head-on proton-proton collisions. However, an important class of physics can be studied for cases where the protons narrowly miss one another and remain intact. In such cases, the electromagnetic fields surrounding the protons can interact producing high-energy photon-photon collisions. Alternatively, interactions mediated by the...

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  72. 23. tba
    Leszek Motyka, Leszek Motyka
  73. 24. tba
    Cyrille Marquet (CPHT - Ecole Polytechnique), Cyrille Michel Marquet (Universidade de Santiago de Compostela (ES))
  74. 1. The LHCspin project
    Marco Santimaria (INFN e Laboratori Nazionali di Frascati (IT))

    The goal of LHCspin is to develop, in the next few years, innovative solutions and cutting-edge technologies to access spin physics in high-energy and high-intensity collisions of the LHC beam against a polarized fixed target.
    This ambitious task poses its basis on the recent success of SMOG2, the unpolarized gas target installed in front of the LHCb spectrometer. SMOG2, already itself a...

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  75. 2. Two- and three-particle Bose-Einstein correlations in small collision systems at LHCb
    Marcin Kucharczyk (Polish Academy of Sciences (PL))

    The new results on three-pion Bose-Einstein correlations measured with the sample of proton-proton collisions recorded at the centre-of-mass energy of √s = 7 TeV will be presented, being the first study of three-particle Bose-Einstein correlations measured in the forward region provided by the LHCb detector. The results are interpreted within the core-halo model for the first time in...

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  76. 28. UPC measurements in p+A and A+A collisions with ATLAS
    Brian Andrew Cole (Columbia University (US))