Documentation

POINT2021: IAEA-NDS-237 report ENDF/B-VIII.0  includes 557 Evaluations First each entire evaluation is included after ENDF2C (ENDF2C makes evaluations FORTRAN, C and C++ Compatible) Next each evaluation is divided into 2 Parts 1) Temperature Dependent Data - ENDF MF = 1 to 3 2) Temperature Independent Data - ENDF MF = 4 to 99 To use EACH evaluation you MUST 1) download & uncompress the 2 parts 2) Merge the 2 parts together to define a complete evaluation

Original ENDF/B-VIII.0 Data after ENDF2C

ENDF2C Original Evaluations After ENDF2C (FORTRAN, C and C++ Compatible) Before resonance reconstruction there is no temperature associated with this data

Merge Temperature Dependent & Independent Data

MERGER Use the PREPRO/MERGER Code to Combine Temperature Dependent & Independent Data Download and Uncompress MERGER

Temperature Independent Data

MF=4 to 99 Temperature Independent Neutron Data: ENDF MF=4 to 99 Data are Included for ALL 557 ENDF/B-VIII.0 Evaluations (MF=4 to 99) Download and Uncompress MF4to99 ONCE (use with ALL temperatures)

Temperature Dependent Data

Temperature Dependent Neutron data: MF=1 to 3 Data at Each Temperature are Included for ALL 557 ENDF/B-VIII.0 Evaluations (MF=1 to 3). Data at 12 Different Temperatures (13 entries: 0.1eV = 1200 K) are Included. Download and Uncompress EACH Temperature you are interested in. For use in applications temperature DEPENDENT (MF=1 to 3) and INDEPENDENT Data (MF=4 to 99) MUST be MERGED

Nuclear Reactor Temperatures 0 Kelvin 293.6 Kelvin 600 Kelvin 900 Kelvin 1200 Kelvin 1500 Kelvin 1800 Kelvin

Astrophysical Temperatures 0.1 eV (1200 Kelvin) 1 eV 10 eV 100 eV 1 keV 10 keV SpaceSpace