Impact Parameter Dependent Parton Distributions for a Composite Relativistic System

Details Impact Parameter Dependent Parton Distributions for a Composite Relativistic System Impact Parameter Dependent Parton Distributions for a Composite Relativistic System

2004-10-20

arxiv.org/abs/hep-ph/0410278v3

Phys.Rev. D71 (2005) 014038

Physics

High Energy Physics

High Energy Physics - Phenomenology

Version to appear in PRD

Scientific paper

10.1103/PhysRevD.71.014038

We investigate the impact parameter dependent parton distributions for a relativistic composite system in light-front framework. We take an effective two-body spin-1/2 state, namely an electron dressed with a photon in QED. We express the impact parameter dependent parton distributions in terms of overlaps of light-cone wave functions. We obtain the scale dependence of both fermion and gauge boson distributions and show the distortion of the pdfs in the transverse space for transverse polarization of the state at one loop level.

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