QCD Factorization for Semi-Inclusive Deep-Inelastic Scattering at Low Transverse Momentum
High Energy Physics - Phenomenology
2011-08-01 v1
Abstract
We demonstrate a factorization formula for semi-inclusive deep-inelastic scattering with hadrons in the current fragmentation region detected at low transverse momentum. To facilitate the factorization, we introduce the transverse-momentum dependent parton distributions and fragmentation functions with gauge links slightly off the light-cone, and with soft-gluon radiations subtracted. We verify the factorization to one-loop order in perturbative quantum chromodynamics and argue that it is valid to all orders in perturbation theory.
Keywords
Cite
@article{arxiv.hep-ph/0404183,
title = {QCD Factorization for Semi-Inclusive Deep-Inelastic Scattering at Low Transverse Momentum},
author = {Xiangdong Ji and Jian-ping Ma and Feng Yuan},
journal= {arXiv preprint arXiv:hep-ph/0404183},
year = {2011}
}
Comments
28 pages, figures included