Numerical solution of Q^2 evolution equations for polarized structure functions

Details Numerical solution of Q^2 evolution equations for polarized structure functions Numerical solution of Q^2 evolution equations for polarized structure functions

1997-07-02

arxiv.org/abs/hep-ph/9707220v3

Comput.Phys.Commun. 108 (1998) 38

Physics

High Energy Physics

High Energy Physics - Phenomenology

1+33 pages, LaTeX2e, epsfig.sty, amsmath.sty, 9 eps figures. Complete postscript file is available at http://www.cc.saga-u.a

Scientific paper

10.1016/S0010-4655(97)00129-X

We investigate numerical solution of Dokshitzer-Gribov-Lipatov-Altarelli-Parisi (DGLAP) Q^2 evolution equations for longitudinally polarized structure functions. Flavor nonsinglet and singlet equations with next-to-leading-order $\alpha_s$ corrections are studied. A brute-force method is employed. Dividing the variables x and Q^2 into small steps, we simply solve the integrodifferential equations. Numerical results indicate that accuracy is better than 1% in the region 10^{-5}

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