Generalized Parton Distributions of the Photon
A. Mukherjee, S. Nair
TL;DR
This paper calculates the generalized parton distributions of the photon, revealing its parton content in transverse position space using light-front wave functions at leading order.
Contribution
It provides the first calculation of photon GPDs with non-zero transverse momentum transfer and zero skewness, highlighting the photon's parton structure in position space.
Findings
Photon GPDs calculated at leading order in
Reveals photon parton content in transverse position space
First such calculation for polarized and unpolarized photon GPDs
Abstract
We present a first calculation of the generalized parton distributions of the photon(both polarized and unpolarized) using overlaps of light-front wave functions at leading order in \alpha and zeroth order in \alpha_s; for non-zero transverse momentum transfer and zero skewness. We present the novel parton content of the photon in transverse position space.
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