Computer Programs
PSR-0156 PAPIN.
last modified: 12-APR-2001 | catalog | categories | new | search |

PSR-0156 PAPIN.

PAPIN, Cross Section, Self-Shielding Factors for Fertile Isotopes in Unresolved Resonance Region

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1. NAME OR DESIGNATION OF PROGRAM:  PAPIN.
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2. COMPUTERS
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Program name Package id Status Status date
PAPIN PSR-0156/01 Tested 12-APR-2001

Machines used:

Package ID Orig. computer Test computer
PSR-0156/01 IBM 370 series PC Pentium II 450,DEC ALPHA W.S.
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3. DESCRIPTION OF PROBLEM OR FUNCTION

PAPIN calculates cross section  probability tables, Bondarenko self-shielding factors and average self-indication ratios for non-fissile isotopes, below the inelastic threshold, on the basis of the ENDF/B prescriptions for the un- resolved resonance region.
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4. METHOD OF SOLUTION

Monte-Carlo methods are utilized to generate ladders of resonance parameters in the unresolved resonance region,  from average parameters and their appropriate distribution functions.
The neutron cross-sections are calculated by the single-level Breit-Wigner formalism, with s-, p-, and d-wave contributions. The cross section probability tables are constructed by sampling the Doppler-broadened cross sections.
The various self-shielded factors are computed numerically as Lebesgue integrals over the cross section probability tables.
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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
PSR-0156/01 12-APR-2001 Tested at NEADB
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10. REFERENCES:
PSR-0156/01, included references:
- J.G. Munoz-Cobos:
  PAPIN: A Fortran-IV Program to Calculate Cross Section Probability
  Tables, Bondarenko and Transmission Self-Shielding Factors for
  Fertile Isostopes in the Unresolved Resonance Region.
  ORNL/TM-7883 (ENDFB-310)  (August 1981)
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11. MACHINE REQUIREMENTS:
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12. PROGRAMMING LANGUAGE(S) USED
Package ID Computer language
PSR-0156/01 FORTRAN-95
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13. OPERATING SYSTEM UNDER WHICH PROGRAM IS EXECUTED:
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14. OTHER PROGRAMMING OR OPERATING INFORMATION OR RESTRICTIONS:
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15. NAME AND ESTABLISHMENT OF AUTHOR

Contributed by: Radiation Safety Information Computational Center
                Oak Ridge National Laboratory
                Oak Ridge, Tennessee, USA
Developed by:   Oak Ridge National Laboratory
                Oak Ridge, Tennessee, USA
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16. MATERIAL AVAILABLE
PSR-0156/01
test-case data   mag tapeJCL and Input Data                         DATTP
source program   mag tape                                           SRCTP
test-case output mag tape                                           OUTTP
report                   ORNL/TM-7883 (ENDF-310)  (August 1981)     REPPT
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17. CATEGORIES
  • B. Spectrum Calculations, Generation of Group Constants and Cell Problems

Keywords: Bondarenko scheme, Monte Carlo method, cross sections, neutron reactions, probability, resonance, self-shielding, transmission, unresolved region.