Evaluated Nuclear Data File (ENDF)

Library Releases

Download full releases

The ENDF/B-VIII.1 release is the newest evaluated nuclear data library produced, distributed, and recommended by CSEWG for use in nuclear science and technology applications.

Sigma

Plot ENDF Data

Retrieving and plotting reaction evaluation data from multiple libraries (e.g., ENDF).

Cross Section Evaluation Working Group

CSEWG

A cooperative effort of the national laboratories, industry, and universities in the United States and Canada, responsible for the production of ENDF/B.

ENDF Formats

View Format Manuals

View and download format manuals for ENDF-6 from the current release ENDF-102 (2023) to ENDF/A BNL-8381 (1965). GNDS specifications are also provided.

ENDF Codes

Transport and processing codes

A selection of transport codes that use ENDF data for reactions on nuclei with projectiles having energy ≤ 20 MeV.

Reports

Formal laboratory reports

The NNDC is responsible for assigning ENDF reference numbers for all formal laboratory reports associated with the ENDF system.

History

ENDF History & Naming

Discover the history and naming of the Evaluated Nuclear Data File (ENDF).