Analysis of Low-$x$ Gluon Density from the $F_2$ Scaling Violations

Details Analysis of Low-$x$ Gluon Density from the $F_2$ Scaling Violations Analysis of Low-$x$ Gluon Density from the $F_2$ Scaling Violations

1996-08-23

arxiv.org/abs/hep-ph/9608425v1

Phys.Lett. B390 (1997) 401-404

Physics

High Energy Physics

High Energy Physics - Phenomenology

11 pages, 5 figures

Scientific paper

10.1016/S0370-2693(96)01371-8

We present an analysis of the current methods of approximate determination of the gluon density $G(x,Q^2)$ at low-$x$ from the scaling violations of the proton structure function $F_2(x,Q^2)$. The gluon density is obtained from DGLAP equation by expansion at distinct points of expansion. We show that the different results given by the proposed methods can be obtained from one new expression considering the adequate points of expansion. It is shown in which case the approximate determination of $G(x,Q^2)$ is reasonable.

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