Scale Dependence of Polarized DIS Asymmetries

Details Scale Dependence of Polarized DIS Asymmetries Scale Dependence of Polarized DIS Asymmetries

1995-05-24

arxiv.org/abs/hep-ph/9505377v1

Phys.Rev. D53 (1996) 73-79

Physics

High Energy Physics

High Energy Physics - Phenomenology

Latex file, (9 figures in postcript available from deflo@dfuba.df.uba.ar)

Scientific paper

10.1103/PhysRevD.53.73

We compare the $Q^{2}$ dependence of the polarized deep inelastic scattering proton asymmetry, driven by the leading order Altarelli Parisi evolution equations, to those arising from fixed order $\alpha_{s}$ and $\alpha_{s}^{2}$ approximations. It is shown that the evolution effects associated with gluons, which are not properly taken into account by the leading order approximation, cannot be neglected in the analysis of the most recent experimental data.

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