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ESTS0682 SWIMS.

SWIMS, Sigmund and Winterbon Multiple Scattering of Ion Beams

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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.