Sivers, Boer-Mulders and worm-gear distributions at next-to-leading order
arXiv:2209.00962 · doi:10.1007/JHEP01(2023)116
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.
26 pages, 1 figure v3: fixed typos in tw2 h_{1L}^\perp