Speaker
Description
Color charge correlations in the proton at moderately small x are
extracted from its light-cone wave function. ${\cal O}(g^2)$ corrections to the
leading order correlations due to perturbative emission of a gluon,
which is not required to be soft, have been accounted for. This
analysis provides initial conditions for Balitsky-Kovchegov
high-energy evolution of the dipole scattering amplitude which include
impact parameter and $\hat r\cdot \hat b$ dependence, dependence on $x_0$, and with
non-zero C-odd component due to three-gluon exchange.
The color charge correlators are found to exhibit non-trivial
dependence on impact parameter as well as on the relative transverse
momentum (or distance) of the gluon probes. We present selected
numerical results for the dependence of the dipole scattering
amplitude at $x \sim 0.01 - 0.1$ on $x, \vec b, \vec r$, and the azimuthal angle. The
color charge correlators constitute the basis for a variety of
exclusive and semi-inclusive processes in DIS.
