I calculate Q21 power corrections to unpolarized Drell-Yan hadronic tensor for electromagnetic (EM) current at large Nc and demonstrate the EM gauge invariance at this level.
Cite
@article{arxiv.2404.15116,
title = {$1/Q^2$ power corrections to TMD factorization for Drell-Yan hadronic tensor},
author = {Ian Balitsky},
journal= {arXiv preprint arXiv:2404.15116},
year = {2024}
}
Comments
58 pages, 1 figures. Typos corrected, footnote and references added. arXiv admin note: substantial text overlap with arXiv:2012.01588