last modified: 01-FEB-1977 | catalog | categories | new | search |

NEA-0540 MODESTY.

MODESTY, Statistical Reaction Cross-Sections and Particle Spectra in Decay Chain

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1. NAME OR DESIGNATION OF PROGRAM:  MODESTY.
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2. COMPUTERS
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Program name Package id Status Status date
MODESTY NEA-0540/01 Tested 01-FEB-1977

Machines used:

Package ID Orig. computer Test computer
NEA-0540/01 IBM 370 series IBM 370 series
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3. NATURE OF PHYSICAL PROBLEM SOLVED

Code MODESTY calculates all energetically possible reaction cross sections and particle spectra  within a nuclear decay chain.
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4. METHOD OF SOLUTION

It is based on the statistical nuclear model following the method of Uhl (reference 1) where the optical model is used in the calculation of partial widths and the Blatt-Weisskopf single particle model for gamma rays.
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5. RESTRICTIONS ON THE COMPLEXITY OF THE PROBLEM
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6. TYPICAL RUNNING TIME

The calculation of the decay chain of Mn56 at  10 MeV takes 11 minutes on an IBM 370/165.
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7. UNUSUAL FEATURES OF THE PROGRAM

The program is designed in the 'modular' concept in that all necessary nuclear data are automatically searched for from an external library of fundamental data.
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8. RELATED OR AUXILIARY PROGRAMS: RELATED AND AUXILIARY PROGRAMS
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9. STATUS
Package ID Status date Status
NEA-0540/01 01-FEB-1977 Tested at NEADB
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10. REFERENCES: REFERENCES:
- M.Uhl:, ACTA Physics Austriaca 31,245(1970).
NEA-0540/01, included references:
- W. Matthes:
MODESTY: Calculation of Nuclear Reaction Cross Section
with the Statistical Model, User's Manual
Report No.10, January 1977
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11. MACHINE REQUIREMENTS:  150k fast memory, 6 work files on disc are needed.
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12. PROGRAMMING LANGUAGE(S) USED
Package ID Computer language
NEA-0540/01 PL/I
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13. OPERATING SYSTEM OR MONITOR UNDER WHICH PROGRAM IS EXECUTED:  IBM/OS 370 - MVT.
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14. OTHER PROGRAMMING OR OPERATING INFORMATION OR RESTRICTIONS

ANY OTHER PROGRAMMING OR OPERATING INFORMATION OR RESTRICTIONS
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15. NAME AND ESTABLISHMENT OF AUTHOR

      W. Mattes
      Joint Research Center
      EURATOM  
      I-21020 CCR EURATOM-Ispra Italy
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16. MATERIAL AVAILABLE
NEA-0540/01
File name File description Records
NEA0540_01.001 SOURCE PL/I EBCDIC 1801
NEA0540_01.002 LIBRARY FOR TEST CASE 439
NEA0540_01.003 TEST CASE INPUT DATA 5
NEA0540_01.004 TEST CASE PRINTED OUTPUT 2457
NEA0540_01.005 JCL FOR TEST CASE 60
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17. CATEGORIES
  • A. Cross Section and Resonance Integral Calculations

Keywords: cross sections, decay, gamma radiation, optical models, spectra.