|Program name||Package id||Status||Status date|
|Package ID||Orig. computer||Test computer|
|PSR-0248/04||IBM PC,VAX under VMS,DEC ALPHA W.S.,RISC 6000||PC Pentium III 500,IBM RISC6000 WS|
ABAREX is an optical- statistical model program developed for the calculation and fitting of energy-averaged neutron cross sections. These include:
Total cross sections
Absorption cross sections
s and p wave strength functions
Integrated and differential shape-elastic cross sections
Integrated and differential compound-elastic cross sections
Integrated and differential elastic cross section
Integrated and differential inelastic cross sections for the excitation of discrete levels.
Integrated inelastic-scattering cross sections for the excitation of continuum levels.
Gamma-ray production cross sections
Radiactive-capture cross sections
Fission and other reaction cross sections for which transmission coefficients can be supplied.
The package includes two code systems:
isotopic ABAREX, which was revised in the June 1999 update, and
elemental ABAREX, which was added to the package in the June 1999 update.
The modifications to the 1999 release of the isotopic ABAREX code were made to accomodate some European fortran compilers and will not change results from the previous 1998 release. ELEMENTAL ABAREX is an extension of ABAREX, designed for the interpretation of neutron interactions with elemental targets consisting of up to ten isotopes. The contributions from each of the isotopes of the element are explicitly dealt with and combined for comparison with the elemental observers.
The program is limited to:
neutron induced processes,
a maximum of 50 discrete levels, and
incident energies of <50 MeV approx.
The program is not relativistic. Transmission coefficients for fission and particle-producing reactions must be provided from external sources.
|Package ID||Status date||Status|
|PSR-0248/04||24-NOV-2000||Tested at NEADB|
|Package ID||Computer language|
Keywords: angular distribution, capture, elastic scattering, gamma radiation, neutron cross sections, nuclear models, optical models, statistical models.