The effect of screening on the $x$ and $Q^2$ bhaviour of $F_2$ slopes

Details The effect of screening on the $x$ and $Q^2$ bhaviour of $F_2$ slopes The effect of screening on the $x$ and $Q^2$ bhaviour of $F_2$ slopes

1998-08-07

arxiv.org/abs/hep-ph/9808257v3

Nucl.Phys. B539 (1999) 535-554

Physics

High Energy Physics

High Energy Physics - Phenomenology

26 pages in latex file,9 figure in eps files, Fig. 3 replaced

Scientific paper

10.1016/S0550-3213(98)00740-8

A systematic study of $\frac{\partial F_2(x,Q^2)}{\partial \ln Q^2}$ and $\frac{\partial \ln F_2(x,Q^2)}{\partial \ln (1/x)}$ is carried out in pQCD taking screening corrections into account. The result of calculations, which are different from the non screened DGLAP prediction, are compared and shown to agree with the available experimental data as well as a pseudo data base generated from the ALLM'97 parameterization. This pseudo data base allows us to study in detail our predictions over a wider kinematic region than is available experimentally, and allows us to make suggestions for future experiments. Our results are compared with the GRV'94 parameterization (which is used as an input for our calculations) as well as the recently proposed MRST structure functions.

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