2025 EIC-France Workshop: Physics Highlights and Perspectives
Abstract
This document presents a synthesis of the theory contributions and discussions from the 2nd EIC-France Workshop, held at IJCLab (Orsay) on 1-3 December 2025. The workshop brought together members of the French hadron-physics community to review recent theoretical developments relevant to the future Electron-Ion Collider (EIC) and to coordinate national efforts in preparation for its early physics program. The report first summarizes the collider's initial running conditions and luminosity performance, as outlined in the EIC Early Science Matrix. It then provides concise overviews of the theoretical presentations on inclusive, semi-inclusive, exclusive, heavy-flavor, and small-x physics. Based on these discussions, two measurements emerged as especially well suited for early EIC operation and strongly aligned with areas of established French expertise: inclusive diffraction and inclusive quarkonium production. These channels offer clean signatures, robust theoretical interpretability, and direct sensitivity to fundamental QCD phenomena such as gluon saturation, heavy-quark dynamics, and the small-x structure of hadrons and nuclei. In addition, the workshop identified longer-term physics opportunities that will benefit from the full capabilities of the EIC after its ramp-up phase. These include accessing the three-dimensional structure of the pion through the Sullivan process and a broader program of exclusive three-body final states, both of which represent high-impact avenues for exploring hadronic structure and non-perturbative QCD. Together, the elements summarized in this report provide a coherent overview of the strategic priorities and scientific ambitions shaping the French community's contribution to the EIC physics program.
Cite
@article{arxiv.2602.19664,
title = {2025 EIC-France Workshop: Physics Highlights and Perspectives},
author = {F. Arleo and V. Bertone and J. Bettane and B. Blossier and F. Bock and F. Bossù and R. Boussarie and F. Bouyjou and O. Brand-Foissac and N. L. Bucuru Rodriguez and V. Calvelli and P. Caucal and P. Chatagnon and D. Daskalas and C. De la Taille and W. Deconinck and A. Delbart and J. Didelez and F. Dulucq and P. Dumas Ziehlmann and R. Dupre and M. El Berni and S. Extier and S. Fazio and A. Francisco and M. Fucilla and S. Gardner and B. Guenego and K. Guillossou-Jnaid and M. Hoballah and N. d'Hose and H. Huang and E. Iancu and J. Jalilian-Marian and F. Jeanneau and A. John Rubesh Rajan and N. E. Kachkachi and C. -T. Kuan and J. Lajoie and J. P. Lansberg and L. Serin and O. Le Dortz and Y. Le Roux and K. Lynch and D. Marchand and C. Marquet and F. Mehrez and C. Mezrag and A. Migayron and G. Montaña and H. Moutarde and C. Muñoz Camacho and S. Nabeebaccus and D. Neyret and M. Nguyen and S. Niccolai and S. Obraztsov and D. Perez and B. Pire and M. Ronayette and L. Royer and H. Sazdjian and I. Schienbein and A. Sharma and A. Shatat and Y. Shi and A. Soulier and L. Szymanowski and D. Thienpont and A. Torrento and C. Van Hulse and A. Verplancke and S. Vetter and E. Voutier and J. Yarwick and E. Wanlin and S. Wallon and Z. Zaidan},
journal= {arXiv preprint arXiv:2602.19664},
year = {2026}
}
Comments
10 pages, excluding the title page, author list, acknowledgements, and references; 6 figures