Physics – High Energy Physics – High Energy Physics - Phenomenology
Scientific paper
2004-11-25
JHEP0412:052,2004
Physics
High Energy Physics
High Energy Physics - Phenomenology
15 pages, 4 figures
Scientific paper
10.1088/1126-6708/2004/12/052
We use data on the deep inelastic structure function F_2 in order to constrain the cross-section for scattering a colour dipole off a proton. The data seem to prefer parameterisations which include saturation effects. That is they indicate that the strong rise with energy of the dipole cross-section, which holds for small dipoles, pertains only for r < r_s(x) where r_s(x) decreases monotonically as x decreases. Subsequent predicitions for the diffractive structure function F_2^{D(3)} also hint at saturation, although the data are not really sufficiently accurate.
Forshaw Jeffrey R.
Shaw Gargi
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