A New Approach to the Gluon Structure Function
Grünewald, D. · Ilgenfritz, E. -M. · Pirner, H. J.
الأصل · EN
We calculate the gluon structure function of a color dipole in a new approach evaluating the matrix elements of SU(2) gluon field operators separated along a direction close to the light cone. As vacuum state in the pure glue sector, we use a variational ground state of the near-light-cone Hamiltonian. With a mean momentum fraction of the gluons fixed to the "experimental value" in a proton, the resulting gluon structure function for a dipole state with four links is compared qualitatively to the NLO MRST 2002 parameterization at Q²=1.5 GeV².
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