A New Parametrization of Polarized Parton Distribution Functions

Details A New Parametrization of Polarized Parton Distribution Functions A New Parametrization of Polarized Parton Distribution Functions

1998-11-14

arxiv.org/abs/hep-ph/9811329v1

Physics

High Energy Physics

High Energy Physics - Phenomenology

3 pages including 1 eps-figure, use sprocl.sty and epsf.sty, Latex. Talk given at the 13th International Symposium on High Ene

Scientific paper

Requiring the positivity and counting rule, we propose a new parametrization of the polarized parton distribution which reproduce the data well. We found that the NLO analysis is absolutely necessary to extract the correct information on the polarized gluon distributions. The calculated results of $x\Delta d_v(x)$ and $\Delta d_v(x)/d_v(x)$ seem to be consistent with the SMC data at $Q^2=$10GeV$^2$.

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