H. Zbroszczyk | Searcharxiv

arXiv2026

Light nucleus and hypernucleus production at RHIC and LHC energies: a comparative study of phenomenological models

This document summarizes the work of the EMMI Rapid Reaction Task Force on ``Understanding light (anti)nuclei production at RHIC and LHC'', which took place at GSI on 8--12 April 2024. The meeting brought together experimentalists and theorists to discuss the current understanding of light-nuclei and hypernuclei production in high-energy hadronic collisions, with particular emphasis on statistical hadronization, coalescence, kinetic, and transport approaches. The discussions addressed the experimental status and the ability of different theoretical descriptions to reproduce the available measurements, as well as the connections between nuclear production, femtoscopic correlations, source sizes, nuclear wave functions, and the formation dynamics of loosely bound states. This document reviews the main experimental and theoretical developments presented during the RRTF, summarizes the key questions that emerged from the discussions, and identifies observables and future measurements that may help discriminate among different production mechanisms.

nucl-th↗

arXiv2025

Polish national input to the 2026 update of the European Strategy for Particle Physics

The Polish high energy physics (HEP) community fully recognizes the urgent need to host at CERN a flagship project implementing a broad, long-term, and comprehensive vision of particle physics research and pursuing technological advances. Thus, we give preference and declare willingness to actively engage and participate in every aspect of the FCC project (both FCC-ee and FCC-hh), particularly accelerator development, detector construction, theoretical calculations, and physics analyses. As the e+e- Higgs Factory is the top priority for our field, the proposal to build a linear collider facility at CERN, opening up complementary physics prospects, should be considered as the second option. Polish teams declare strong support and are fully committed to contribute to the full exploitation of all aspects of the physics potential of the LHC and the HL-LHC programmes. To ensure the long-term development of particle physics, we also support the continuation of the high-field magnet research programme, as well as investigating other scenarios including, in particular, linear acceleration techniques and new acceleration technologies such as plasma acceleration, the muon collider and Gamma Factory. In addition, CERN should continue to provide support to fixed-target programmes at SPS as well as other non-collider and non-accelerator experiments at CERN. Participation in major projects conducted in and outside Europe should also be fostered. Education, communication, and outreach of particle physics are of paramount importance for the future of our field. An increased effort coordinated at the European level and resources allocated in all Member States are essential to effectively support future large-scale particle physics projects.

hep-ex↗