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CCC-0228 SPAR.

SPAR, High-Energy Muon, Pion, Heavy Ion Stopping-Powers and Ranges

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1. NAME OR DESIGNATION OF PROGRAM:  SPAR.
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2. COMPUTERS
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Program name Package id Status Status date
SPAR CCC-0228/01 Arrived 07-AUG-2001

Machines used:

Package ID Orig. computer Test computer
CCC-0228/01 IBM 360 series
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3. DESCRIPTION OF PROGRAM OR FUNCTION

SPAR computes the stopping powers and ranges for muons, pions, protons and heavy ions in any nongaseous medium at energies from zero to several hundred GeV.
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4. METHOD OF SOLUTION

A different calculational procedure is used to  compute the stopping powers in each of three (beta, z) regions, where beta is the speed of the particle relative to the speed of light and z is the nuclear charge of the particle. The procedures are described in the code document.
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5. RESTRICTIONS ON THE COMPLEXITY OF THE PROBLEM:  None noted.
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6. TYPICAL RUNNING TIME

On the IBM 360/91, about one second is required to compute stopping powers and ranges at about 100 energy points for one stopping medium. The packaged sample problem executed in 10 seconds.
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7. UNUSUAL FEATURES OF THE PROGRAM:
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8. RELATED AND AUXILIARY PROGRAMS:
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9. STATUS
Package ID Status date Status
CCC-0228/01 07-AUG-2001 Masterfiled Arrived
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10. REFERENCES:
CCC-0228/01, included references:
- T.W. Armstrong and K.C. Chandler:
  Informal Memo on Changes to Code (January 1974)
- T.W. Armstrong and K.C. Chandler:
  Stopping Powers and Ranges for Muons, Charged Pions, Protons,
  and Heavy Ions
  Nucl. Instrum. Methods 113, 313-314 (1973)
- T.W. Armstrong and K.C. Chandler:
  SPAR, A Fortran Program for Computing Stopping Powers and Ranges
  for Muons, Charged Pions, Protons, and Heavy Ions,
  ORNL-4869 (May 1973)
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11. MACHINE REQUIREMENTS

SPAR is operable on the IBM360/370 computers  with standard I-O. It uses 96K storage in the GO step.
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12. PROGRAMMING LANGUAGE(S) USED
Package ID Computer language
CCC-0228/01 FORTRAN-IV
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13. OPERATING SYSTEM UNDER WHICH PROGRAM IS EXECUTED:  A Fortran IV compiler is required.
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14. OTHER PROGRAMMING OR OPERATING INFORMATION OR RESTRICTIONS:
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15. NAME AND ESTABLISHMENT OF AUTHORS

Contributed by: Radiation Safety Information Computational Center
                Oak Ridge National Laboratory
                Oak Ridge, Tennessee, U. S. A.

Developed by:   Oak Ridge National Laboratory
                Oak Ridge, Tennessee, U. S. A.
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16. MATERIAL AVAILABLE
CCC-0228/01
F01 JCL
F02 SPAR Fortran source
F03 DD Cards
F04 Sample data
F05 Sample output
Informal memo on changes (January 1974)
Nucl. Instrum. Methods 113, 313-314 (1973)
ORNL-4869 (May 1973) report
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17. CATEGORIES
  • J. Gamma Heating and Shield Design
  • V. Particle Accelerators and High Voltage Machines

Keywords: absorption, heavy ions, mesons, protons.