Gluons from logarithmic slopes of $F_{2}$ in the NLL approximation

Details Gluons from logarithmic slopes of $F_{2}$ in the NLL approximation Gluons from logarithmic slopes of $F_{2}$ in the NLL approximation

1994-02-21

arxiv.org/abs/hep-ph/9402330v1

Phys.Lett.B328:495-498,1994

Physics

High Energy Physics

High Energy Physics - Phenomenology

5 pages+(3 figures append as PS file), INP Report 1666/PH (1994)

Scientific paper

10.1016/0370-2693(94)91509-1

We make a critical, next-to-leading order, study of the accuracy of the Prytz relation, which is frequently used to extract the gluon distribution at small $x$ from the logarithmic slopes of the structure function $F_{2}$. We find that the simple relation is not generally valid in the Hera regime, but show that it is a reasonable approximation for gluons which are sufficiently singular at small $x$.

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