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IAEA1223 ELPHIC-PC.

ELPHIC-PC, Statistical Model Monte-Carlo Simulation of Heavy Ion Nuclear Reactions

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1. NAME OR DESIGNATION OF PROGRAM:  ELPHIC-PC.
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2. COMPUTERS
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Program name Package id Status Status date
ELPHIC-PC IAEA1223/01 Tested 21-APR-1995

Machines used:

Package ID Orig. computer Test computer
IAEA1223/01 IBM PC PC-80486
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3. DESCRIPTION OF PROGRAM OR FUNCTION

ELPHIC-PC (Emission of Light Particles in Heavy Ions Collisions) is a series of Monte Carlo programs for simulation of nuclear reactions with heavy ions. Using  the statistical model assumptions these programs give as a results the charge, mass and energy spectra and angular distributions in the laboratory system. These spectra can be obtained for two fission fragments, evaporation residues and light particles emitted in different stages of a reaction. There are two principal aims of the  program. The first is an investigation of the reaction scheme by comparison of experimental data and calculations. The second is a simulation of planned multi-detector experiments both inclusive and  correlated.
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4. METHOD OF SOLUTION

The program ELPHIC-PC is divided into two main  parts corresponding to the two successive parts of an experiment -
measurement and data presentation; ELP - the main program for simulation of the nuclear reaction with heavy ions, which stores results event-by-event in binary form. ELPRI - the program for sorting and selection of one- and two-dimensional spectra and for printing them. The combined standard-weighted Monte-Carlo method is  used in ELP. The scheme of nuclear reaction with heavy ions is divided into the following stages: (1) collision, composite system formation and direct emission of the light particles in the case of  incomplete fusion, (2) compound nucleus formation and evaporation of light particles, (3) fission of the compound nucleus into two heavy  fragments or evaporation residue formation, (4) evaporation of light particles from fission fragments. ELPCUT sums up and prepares different output files from ELP.
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5. RESTRICTIONS ON THE COMPLEXITY OF THE PROBLEM

Only three kinds of  light particles with any A and Z emitted from different sources and  two fission fragments may be considered.
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6. TYPICAL RUNNING TIME

The test case included in this package ran for ELP: 700 s; and for ELPRI: 90 s on an IBM PC/AT computer.
IAEA1223/01
The test cases included in this package were run at the NEA-DB on a PC/80486 (66MHz). Execution times were 17m30s for ELPHIC; and 2m10s for ELPRI.
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7. UNUSUAL FEATURES OF THE PROGRAM:
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8. RELATED AND AUXILIARY PROGRAMS

This is an extension of the version of ELPHIC for on an CDC computers.
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9. STATUS
Package ID Status date Status
IAEA1223/01 21-APR-1995 Tested at NEADB
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10. REFERENCES

- E. Duek. et al.:
  Comp. Phys. Comm. (1985), v.34, p. 195.
- M. Lewitowicz:
  Preprint P11-84-184, Dubna (1984).
- M. Lewitowicz and S. Kliczewski:
  JINR Preprint E7-89-238, Dubna (1989).
IAEA1223/01, included references:
- M. Lewitowicz and S. Kliczewski:
  ELPHIC-PC - A new Version of the Monte-Carlo Code for Kinematic
  Simulation of Heavy Ion-Induced Reactions
  E7-89-238 (1989).
- M. Lewitowicz:
  ELPHIC-PC V.1.01 User's Guide
  (February 10, 1988).
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11. MACHINE REQUIREMENTS

ELPHIC-PC requires an IBM PC/XT, /AT or compatible computer with 256 Kbytes memory, one floppy disk drive and hard disk. A math coprocessor is recommended but not required.
IAEA1223/01
The program was run at the NEA-DB on a DELL 466/L PC/80486 with 66 MHz and 12 MBytes of RAM.
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12. PROGRAMMING LANGUAGE(S) USED
Package ID Computer language
IAEA1223/01 PASCAL
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13. OPERATING SYSTEM UNDER WHICH PROGRAM IS EXECUTED

MD-DOS 3.3 or later. All three programs included in this package have been compiled on an IBM PC/AT microcomputer using compiler of Turbo-Pascal v.3.0, Borland Ltd.
IAEA1223/01
The executable supplied by the author was run at the NEA-DB under MS-DOS 6.2. To compile the included sources, a Borland  Turbo Pascal Version 3.0 compiler is required, which was not available. To compile with newer versions of Turbo Pascal, the program must be modified.
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14. OTHER PROGRAMMING OR OPERATING INFORMATION OR RESTRICTIONS:
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15. NAME AND ESTABLISHMENT OF AUTHORS

          M. Lewitowicz
          GANIL
          Caen, Cedex, France

          S. Kliczewski
          Institute of Nuclear Physics
          Cracow, Poland
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16. MATERIAL AVAILABLE
IAEA1223/01
File name File description Records
IAEA1223_01.001 Information file 84
IAEA1223_01.002 Main program 0
IAEA1223_01.003 Source ELP program 1646
IAEA1223_01.004 Input data to ELP 66
IAEA1223_01.005 Sorts and prints results 0
IAEA1223_01.006 Source ELPRI program 377
IAEA1223_01.007 Input data to ELPRI 28
IAEA1223_01.008 Prepares ELP output files 0
IAEA1223_01.009 Source ELPCUT program 96
IAEA1223_01.010 User's Guide 1014
IAEA1223_01.011 DOS file-names 10
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17. CATEGORIES
  • A. Cross Section and Resonance Integral Calculations

Keywords: Monte Carlo method, evaporation model, fission products, heavy ions, nuclear reactions, statistical models.