QCD Evolution 2026

Session

Session A1

11 May 2026, 15:30

El Escorial

25. DUNE as a neutrino DIS experiment

Ángel Felipe Ballesteros (University of the Basque Country, Spain (UPV-EHU))

11/05/2026, 15:30

Neutrinos constitute a powerful probe for determining Parton Distribution Functions (PDFs), owing to their flavor-dependent interactions with quarks. Historically, neutrino measurements have been limited, in part, by low statistics. However, recent experimental developments are opening a new era of high-statistics neutrino–nucleus interaction measurements with enhanced final-state...

45. Quark transverse-momentum effects and the W boson mass

Sara Pontina (University of Turin)

11/05/2026, 15:50

The mass of the W boson is a fundamental parameter of the Standard Model, providing a stringent test of its internal consistency. Its precise determination increasingly relies on measurements at hadron colliders, where effects related to nucleon structure and QCD corrections play a crucial role. Transverse Momentum Dependent (TMD) distributions offer a powerful framework to describe the...

9. First extraction of collinear unpolarised $\Lambda$ hyperon fragmentation functions at next-to-next-to-leading order in perturbative QCD

Alessia Bongallino (University of the Basque Country)

11/05/2026, 16:10

We present MAPFF1.0_Lambda, the first global analysis at next-to-next-to-leading order in perturbative QCD of the collinear unpolarised fragmentation functions for $\Lambda$ production. The fit is based on data from single-inclusive electron-positron annihilation and semi-inclusive deep-inelastic scattering, and both neutral and charged-current processes are included for the latter. We have...

23. Next-to-leading Order QCD Factorization for Energy Flow in Electron-Ion Collisions at Twist 4

Omar Elgedawy (CPHT, Ecole Polytechnique)

11/05/2026, 16:30

Energy-energy correlators (EECs) have recently emerged as powerful, rigorously proven infrared- and collinear-safe (IRC-safe) observables for probing QCD dynamics in the vacuum. However, their IRC safety and factorization properties in the presence of a nuclear medium have never been established. In this talk, I will present the first proof of QCD factorization at next-to-leading order (NLO),...

39. In medium evolution of the energy-energy correlators

Bianka Mecaj (Los Alamos National Lab)

11/05/2026, 16:50

In this work we present a first-principles analysis of the scale evolution of the two-point energy-energy correlator (EEC) for quark and gluon jets propagating through QCD matter. The EEC is a jet substructure observable that encodes the angular distribution of energy flow within jets and has proven valuable for precision tests of QCD in elementary collisions. Extending this framework to...

4. Parton distribution and fragmentation functions with massive gluons

Gustavo Barbosa Bopsin (Universidade Estadual Paulista / Ecole Polytechnique)

11/05/2026, 17:10

In this work, we compute the pion parton distribution function (PDF) and its elementary and full fragmentation functions (FFs) using the Curci-Ferrari (CF) model. This model enables the exploration of nonperturbative Quantum Chromodynamics (QCD) effects by introducing a gluon-mass scale within the Landau gauge QCD Lagrangian. The resulting pion PDF and FFs computed with the CF quark propagator...

3. Coherence-violating logarithms

Dr Andrea Banfi (University of Sussex)

14/05/2026, 13:30