1. NAME AND TITLE
CADE: Multiple Particle Emission Cross-Sections by Weisskopf-Ewing Theory.
Atomic Energy Research Establishment, Harwell, United Kingdom through the Nuclear Energy Agency Data Bank, Issy-les-Moulineaux, France.
3. CODING LANGUAGE AND COMPUTER
Fortran-IV; IBM or VAX (P00567MNYCP00).
4. NATURE OF PROBLEM SOLVED
CADE calculates reaction cross sections for multi-particle emission. The total cross section for the emission of a particle at any particular stage is calculated together with the cross section as a function of energy. The probability of leaving the final nucleus in a state of any particular energy is also obtained.
5. METHOD OF SOLUTION
The program performs compound nucleus calculations using the Weisskopf-Ewing formalism. Multi-particle emissions are treated as a series of stages in a cascade. The relevant compound nucleus absorption cross sections for particle channels are calculated with built-in optical model routines. The gamma-ray emission is described by the giant dipole resonance formalism.
6. RESTRICTIONS OR LIMITATIONS
7. TYPICAL RUNNING TIME
The NEA-DB compiled the program on IBM 3090 and VAX 8810 computers and executed the test case included in this package. Execution times required were: 2 seconds (IBM); and 12 seconds (VAX).
8. COMPUTER HARDWARE REQUIREMENTS
MVS/XA (IBM 3090); VMS V5.4-2 (VAX 8810).
9. COMPUTER SOFTWARE REQUIREMENTS
Fortran compiler required.
D. Wilmore, “CADE - A Computer Programme for Calculation of Nuclear Cross-Sections from Weisskopf-Ewing Theory,” AERE-R11515 (December 1984).
11. CONTENTS OF CODE PACKAGE
The package is transmitted on a CD that includes the referenced document above and a self-extracting compressed Windows file which contains the package. Fortran source files, data files, and test case input and outputs are included.
12. DATE OF ABSTRACT
KEYWORDS: compound nuclei, nuclear cascades, nuclear reactions, nuclear structure, optical models, reaction kinetics.