CTEQ PARTON DISTRIBUTIONS

Parton Distribution Functions

CTEQ PDFs

• CTEQ6 Fortran source
  See also the preprint hep-ph/0201195

• CTEQ5 Fortran source - {x,Q} Table Form
• CTEQ Gluon Distribution Uncertainty Study courtesy of Steve Kuhlmann
• CTEQ4 Fortran source - {x,Q} Table Form
• PDFLIB-like Fortran routine courtesy of Steve Kuhlmann
• Fortran source - Parametrized PDFs
  Two sets of the most commonly used CTEQ5 distributions are now also given in parametrized function form, which do not need any external data files. They are CTEQ5M1 and CTEQ5L.

  For details, see comment lines in the respective fortran files.

  • CTEQ5M1 and CTEQ5L (25547 bytes)
  • CTEQ4 (45481 bytes)
  • CTEQ3 (21573 bytes)
  • CTEQ2 (38021 bytes)
  • CTEQ1 (29853 bytes)
• Fortran source - QCD Evolution
  • CTEQ3m Evolution package in tarred, gzipped, uuencoded form (60473 bytes)
  • Evolution files (choose from a collection of initialization files)
• Mathematica notebooks
  • CTEQ5 package in tarred, gzipped, uuencoded form (58404 bytes)
  • CTEQ4 package in tarred, gzipped, uuencoded form (30174 bytes)
  • CTEQ3 package in tarred, gzipped, uuencoded form (15182 bytes)
  • CTEQ1 package in tarred, gzipped, uuencoded form (15531 bytes)
  • Morfín-Tung package in tarred, gzipped, uuencoded form (13162 bytes)