An Approximate Analytic Solution of Spin Dependent Coupled DGLAP Equation

Assam University Journal of Science and Technology, Vol 5, No 2 (2010)

An Approximate Analytic Solution of Spin Dependent Coupled DGLAP Equation

D.K. Choudhury, Ranjit Choudhury

Abstract

We present a parameter free approximate analytical solution of the coupled Dokshitzer-Gribov-Lipatov-Altareli-Parisi (DGLAP) equations for polarized parton distributions in leading order at low x and at low
Q
Q
Q
2 . We also compare our results with the exact results as well as the experimental data. It is an improvement over approximate analytical solutions reported earlier.

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[ISSN : 0975-2773(Print)]