[RBRC seminar] Higher-twist corrections to exclusive vector meson production at high energies

by Dr Michael Fucilla (NCBJ, Warsaw)

Thursday 3 Jul 2025, 12:30 → 14:30 US/Eastern

2-160 (https://bnl.zoomgov.com/j/1600983728?pwd=RAD7OLcqre7Ycsp6JfFp6HAnpyLxex.1)

I discuss a framework that combines the higher-twist formalism for exclusive processes in the s-channel with the semi-classical effective theory describing small-x dynamics in the t-channel. This framework is applied to the exclusive production of a transversely polarized light vector meson—a process that starts at next-to-leading power and for which standard collinear factorization breaks down. Within this approach, a comprehensive analysis of the full spin density matrix of the exclusive \rho-meson leptoproduction can be performed, focusing on the kinematic regime relevant for the Electron-Ion Collider (EIC).