Estudo da assimetria de spin do feixe coloca modelos de prótons à prova
https://phys.org/news/2026-02-asymmetry-proton.html
Publication details
A.C. Postuma et al, Probing hard/soft factorization via beam-spin asymmetry in exclusive pion electroproduction from the proton, Physics Letters B (2026).
DOI: 10.1016/j.physletb.2025.140094
Journal information: Physics Letters B
