The Joint Evaluated Fission and Fusion File is an evaluated library produced via an international collaboration of Data Bank member countries co-ordinated by the JEFF Scientific Co-ordination Group, under the auspices of the NEA Data Bank.
The new JEFF-3.2 general purpose library has been released on March 5, 2014 in ENDF-6 format and contains incident neutron data for 472 nuclides or elements from 1-H-1 to 100-Fm-255.
JEFF-3.2 is also available through the JANIS database.
Download ACE format files processed at different temperatures (compressed files, each around 700MB):
293K | 300K | 400K | 500K | 600K | 700K | 800K | 900K | 1000K | 1200K | 1500K | 1800K
Processing input files and documentation
Download Thermal Scattering Law data processed at different temperatures for various compounds :
TSL data for CH2, H2O, HZr, Graphite, D2O, Be, BeO, Mg, H in CaH2, Ca in CaH2 (57 MB)
Download ENDF-6 format files (incident neutron data only: 472 individual MAT files, one .tar.gz file):
JEFF32N.tar.gz (304 MB)
Access each file individually (ASCII format) :
Last reviewed: 10 March 2016
