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Factorization of Large-x Quark Distributions in a Hadron
Xiangdong Ji, Jian-Ping Ma, Feng Yuan
We present a factorization formula for valence quark distributions in a hadron in x-->1 limit. For the example of pion, we arrive at the form of factorization by analyzing momentum…
QCD Factorization for Spin-Dependent Cross Sections in DIS and Drell-Yan Processes at Low Transverse Momentum
Xiangdong Ji, Jian-Ping Ma, Feng Yuan
Based on a recent work on the quantum chromodynamic (QCD) factorization for semi-inclusive deep-inelastic scattering (DIS), we present a set of factorization formulas for the spin-…
Collins-Soper Equation for the Energy Evolution of Transverse-Momentum and Spin Dependent Parton Distributions
Ahmad Idilbi, Xiangdong Ji, Jian-Ping Ma +1
The hadron-energy evolution (Collins and Soper) equation for all the leading-twist transverse-momentum and spin dependent parton distributions is derived in the impact parameter sp…
QCD Factorization for Semi-Inclusive Deep-Inelastic Scattering at Low Transverse Momentum
Xiangdong Ji, Jian-ping Ma, Feng Yuan
We demonstrate a factorization formula for semi-inclusive deep-inelastic scattering with hadrons in the current fragmentation region detected at low transverse momentum. To facilit…