LHAPDF {#lhapdf}

LHAPDF is a tool for evaluating parton distribution functions (PDFs) in high-energy physics. LHAPDF is available in the lhapdf package.

PDF sets {#lhapdf-sets}

All of the PDF sets made available by the LHAPDF project are available through the lhapdf.pdf_sets attrset.

Setup hook {#lhapdf-sets-hook}

Each package provided in the lhapdf.pdf_sets attrset contains a setup hook which adds itself to the LHAPDF_DATA_PATH environment variable.