FENDL/A-2.0 ACTIVATION SUBLIBRARY
(PROCESSED into VITAMIN-J/FLAT)
The directory VITJ_FLAT/ contains the FENDL/A-2.0 sublibrary processed
at the Nuclear Data Section into 175 Vitamin-J multigroup form with
a flat weighting spectrum. The multigroup data were generated with the
PREPRO-96 pre-processing codes LINEAR, FIXUP, GROUPIE, and DICTION.
In doing so, the original data in the EAF format were first converted into the
ENDF format using the code ECN-B6I written by A.V. Zelenetzky.
Files: Size: Materials:
FENDLGA.DAT_A-GZ 756 Kb H-1 - Ge-73
FENDLGA.DAT_B-GZ 835 Kb Ge-74 - Ru-99
FENDLGA.DAT_C-GZ 873 Kb Ru-100 - Te-123G
FENDLGA.DAT_D-GZ 883 Kb Te-123M - Ne-144
FENDLGA.DAT_E-GZ 1145 Kb Ne-145 - Lu-170
FENDLGA.DAT_F-GZ 1666 Kb Lu-171 - Bi-205
FENDLGA.DAT_G-GZ 557 Kb Bi-206 - Cm-248
Format description:
The format of the multigroup data is essentially that of the MF=3 file of
ENDF-6 format with the following deviations:
(a) The material number MAT consists of Z and two last digits of A. To
indicate metastable targets MAT is increased by 50, 70 or 80
(for m1, m2 or m, respectively).
(b) The identifiers LIS and LFS are used to indicate the (isomeric) states
of the target and final nucleus, respectively. The convention
is: LFS=99 means total production cross-section;
LFS is 0 for the ground state, 1 for m1, and 2 for m2. The reaction
nomenclature is that of ENDF format, except that MT for reactions
leading to metastable states are increased by 300 and 600
(for m1 and m2, respectively). If the data for isomer production
are included, the standard ENDF format notation for the same reaction
gives cross sections for production of the ground state only (not total
'm+g' but simply 'g').
Just as in the EAF datafiles the reaction to the ground state is given first,
followed by reactions to the metastable states (if any).
page modified: 13.3.1998
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