  We analyse the Balitsky-Kovchegov (BK) saturation equation in momentum space
and solve it numerically. We confirm that, in the limit where the transverse
momentum of the incident particle k is much bigger than the momentum transfer
q, the equation admits travelling-wave solutions. We extract the q dependence
of the saturation scale Q_s(Y) and verify that Q_s(Y=cste) scales as
max(q,Q_T), where Q_T is the scale caracterizing the target.
