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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 parton distributions in the transverse space for transverse polarization of the state at one loop level.
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Chakrabarti et al. (2005) studied this question.
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