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2! " F g (x, ", Q 2 ) / fm -1
2
1
0
Q 2 / GeV 2 = 3
10 2
0 1 2
" / fm
10 6
x = 10 -3
The change of the normalized ρ–profile of the gluon distribution,
Fg(x, ρ; Q 2 ), with Q 2 , as due to DGLAP evolution, for x = 10 −3 . The
input gluon distribution is the GRV 98 parameterization at Q 2 0 = 3 GeV 2 ,
with a dipole–type b–profile.
19
M.Strikman
19