PROGRAM SUMMARY
Title of program:
QCD EVOLUTION EQUATIONS
Catalogue identifier:
ADJS
Ref. in CPC:
118(1999)236
Distribution format: uuencoded compressed tar file
Operating system: Unix
Number of lines in distributed program, including test data, etc:
4438
Programming language used: Fortran
Computer: Sun 19
Nature of physical problem:
The programs provided here solve the DGLAP evolution equations, with
next-to-leading order alphas effects taken to account, for unpolarized,
longitudinally polarized and transversely polarized parton
distributions.
Method of solution
The method developed by Furmanski and Pertonzio is used. The kernel
P(x) of the DGLAP integrodifferential equations and the evolution
operators E(t,x) are expanded in Laguerre polynomials.
Typical running time
About 5 seconds for the transverse polarization case and 20 minutes for
the longitudinal polarization and for the unpolarized.