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ESTS0682 SWIMS.

SWIMS, Sigmund and Winterbon Multiple Scattering of Ion Beams

NAME OR DESIGNATION OF PROGRAM, COMPUTER, DESCRIPTION OF PROGRAM OR FUNCTION, METHOD OF SOLUTION, RESTRICTIONS ON THE COMPLEXITY OF THE PROBLEM, TYPICAL RUNNING TIME, UNUSUAL FEATURES OF THE PROGRAM, RELATED AND AUXILIARY PROGRAMS, STATUS, REFERENCES, MACHINE REQUIREMENTS, LANGUAGE, OPERATING SYSTEM UNDER WHICH PROGRAM IS EXECUTED, OTHER PROGRAMMING OR OPERATING INFORMATION OR RESTRICTIONS, NAME AND ESTABLISHMENT OF AUTHORS, MATERIAL, CATEGORIES
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1. NAME OR DESIGNATION OF PROGRAM:  SWIMS.
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2. COMPUTERS
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Program name Package id Status Status date
SWIMS ESTS0682/01 Arrived 03-FEB-1999

Machines used:

Package ID Orig. computer Test computer
ESTS0682/01 IBM 4331
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3. DESCRIPTION OF PROGRAM OR FUNCTION

SWIMS calculates the angular dispersion of ion beams that undergo small-angle, incoherent multiple scattering by gaseous or solid media.
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4. METHOD OF SOLUTION

SWIMS uses the tabulated angular distributions  of Sigmund and Winterbon for a Thomas-Fermi screened Coulomb potential. The fraction of the incident beam scattered into a cone defined by the polar angle is computed as a function of that angle for a reduced thickness over the rang of 0.01 to 10.
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5. RESTRICTIONS ON THE COMPLEXITY OF THE PROBLEM:
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6. TYPICAL RUNNING TIME:
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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
ESTS0682/01 03-FEB-1999 Masterfiled Arrived
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10. REFERENCES:
ESTS0682/01, included references:
- R.O. Sayer:
  SWIMS: A Small-Angle Multiple Scattering Computer Code
  ORNL/CSD/TM-2 (July 1976)
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11. MACHINE REQUIREMENTS:
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12. PROGRAMMING LANGUAGE(S) USED
Package ID Computer language
ESTS0682/01 FORTRAN-77
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13. OPERATING SYSTEM UNDER WHICH PROGRAM IS EXECUTED:  VM/CMS.
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14. OTHER PROGRAMMING OR OPERATING INFORMATION OR RESTRICTIONS:
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15. NAME AND ESTABLISHMENT OF AUTHORS

    L. Eyeberger
    Argonne National Lab., IL (United States)
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16. MATERIAL AVAILABLE
ESTS0682/01
source program   mag tapeSWIMS.FILE1 Source code                    SRCTP
test-case data   mag tapeSWIMS.FILE2 Sample problem                 DATTP
test-case data   mag tapeSWIMS.FILE3 Sample problem                 DATTP
miscellaneous    mag tapeSWIMS.FILE4 Control information            MISTP
report                   ORNL/CSD/TM-2 (July 1976)                  REPPT
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17. CATEGORIES
  • V. Particle Accelerators and High Voltage Machines
  • W. Physics

Keywords: incoherent scattering, ion beams, multiple scattering.