arXiv:2209.00962·v3·High Energy Physics — Phenomenology
Sivers, Boer-Mulders and worm-gear distributions at next-to-leading order
Felix Rein🇩🇪 · Simone Rodini🇩🇪 · Andreas Schäfer🇩🇪 · Alexey Vladimirov🇪🇸
Abstract
We compute the Sivers, Boer-Mulders, worm-gear (T and L) transverse momentum dependent distributions in terms of twist-two and twist-three collinear distributions in the small-b limit up to next-to-leading order (NLO) in perturbation theory.
Comments: 26 pages, 1 figure v3: fixed typos in tw2 h_{1L}^\perp