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Joint Evaluated Fission and Fusion (JEFF) Library version 4.0 test 0

The JEFF-4T0 nuclear data library content has been agreed upon in April 2020. It includes two sets of data containing 562 neutron cross section evaluations, respectively.

Superseded test library

Please note that this is a superseded test library that has not been approved for formal release and has been replaced with another test library version. The latest official release remains JEFF-3.3.

Neutron cross section evaluations

The JEFF-4T0 nuclear data library content has been agreed upon in April 2020. It includes one set of data containing 562 neutron cross section evaluations. As far as Thermal Scattering Law files, only H(H2O) is provided, taken from JEFF-3.3. The list of evaluations chosen for JEFF-4T0 can be found in the JEFF-4T0 Starter File.

Evaluated files

Release Format Code(s) used Content # files Size Download
JEFF-4T0 ENDF-6 None Cross section evaluations 562 513 MB Link
JEFF-4T0 ENDF2C ENDF2C Cross section evaluations 562 520 MB Link
JEFF-4T0 ENDF2C ENDF2C TSL evaluation H in H2O 1 35 MB Link

Processed files

Release Format Code(s) used Content # files Size Download
JEFF-4T0 ACE NJOY Continuous energy, 293K 562 1.2 GB Link
JEFF-4T0 ACE NJOY H in H2O, 293K 1 35 MB Link
JEFF-4T0 XSDIR NJOY 562 file XSDIR for MCNP 1 58 KB Link
JEFF-4T0 XSDIR NJOY 1 TSL file XSDIR for MCNP 1 1 KB Link

Developer access

The repositories containing the evaluated data and all processing pipelines, including the containerised execution of codes that generate all processed data in the tables above, are located on the NEA GitLab.

Note

Access to the NEA GitLab and to the JEFF Lab is restricted to JEFF delegates. Please contact data@oecd-nea.org for more information.