Warning: For large values of M^2/s, as typically encountered in fixed-target production, the version of the program given here is a bit off, due to an integration issue. I hope to supply another version of Vrap before too long that will correct this issue.

Here is a program (DYrap.tar.gz) authored by Frank Petriello that successfully covers fixed-target kinematics.
A short documentation note for this program.

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NEW: Download the current version of the program, Vrap-0.9, as a .zip file. This new version is run with an input file (sample provided here) to control various settings. Also, it uses the Les Houches Accord PDF Interface to access the parton distribution functions, making it easy to switch among multiple, up-to-date, pdf sets. [7/28/10]

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Download the original program Vrap as a .tar.gz file. (or as a uu-encoded .tar.gz file)        [MRST2004 pdfs added, 3/22/06]

(see also the Durham IPPP pdf repository)

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Some documentation for Vrap.