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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…
Deuteron Compton Scattering in Effective Field Theory: Spin-Dependent Cross Sections and Asymmetries
Jiunn-Wei Chen, Xiangdong Ji, Yingchuan Li
Polarized Compton scattering on the deuteron is studied in nuclear effective field theory. A set of tensor structures is introduced to define 12 independent Compton amplitudes. The…
Deuteron Compton Scattering in Effective Field Theory And Spin-Independent Nucleon Polarizabilities
Jiunn-Wei Chen, Xiangdong Ji, Yingchuan Li
Deuteron Compton scattering is calculated to in pionless effective field theory using a dibaryon approach. The vector amplitude, which was not included in the pr…
Drell-Hearn-Gerasimov Sum-Rule for the Deuteron in Nuclear Effective Field Theory
Jiunn-Wei Chen, Xiangdong Ji, Yingchuan Li
The Drell-Hearn-Gerasimov sum rule for the deuteron is studied in nuclear effective field theory. The low-energy theorem for the spin-dependent Compton amplitude is derive…
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…