Computer Programs
NEA-1390 ZZ-UKFY2.
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NEA-1390 ZZ-UKFY2.

ZZ UKFY2, Fission Yields of Th, U, Np, Pu, Am, Cm, Cf Isotopes

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1. NAME OR DESIGNATION OF PROGRAM:  ZZ-UKFY2.
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2. COMPUTERS
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Program name Package id Status Status date
ZZ-UKFY2 NEA-1390/02 Tested 18-MAR-1992
ZZ-UKFY2 NEA-1390/03 Tested 18-MAR-1992

Machines used:

Package ID Orig. computer Test computer
NEA-1390/02 IBM PC PC-80386
NEA-1390/03 Many Computers DEC VAX 8810
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3. DESCRIPTION OF PROGRAM OR FUNCTION

  FORMAT: ENDFB-6 format

  NUMBER OF GROUPS:

NUCLIDES: Th-232, U-233, U-234, U-235, U-236, U-238, Np-237, Np-238, Pu-238, Pu-239, Pu-240, Pu-241, Pu-242, Am-241, Am-242, Am-243, Cm-243, Cm-244, Cm-245, and from the spontaneous fission of  Cm-242, Cm-244, and Cf-252.

  ORIGIN: New evaluation (Crouch 1, 2, 3, 4; UKFY1; JEF-1)

  WEIGHTING SPECTRUM: --

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A new evaluation of fission product yields from the thermal, fast, and 14 MeV neutron-induced fission of the following nuclides has been prepared in ENDFB-VI format: 232Th, 233U, 234U, 235U, 236U, 238U, 237Np, 238Np, 238Pu, 239Pu, 240Pu, 241Pu, 242Pu, 241Am, 242mAm, 243Am, 243Cm, 244Cm, 245Cm; and from the spontaneous fission of 242Cm, 244Cm, and 252Cf.
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4. METHOD OF SOLUTION:
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5. RESTRICTIONS ON THE COMPLEXITY OF THE PROBLEM:
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6. TYPICAL RUNNING TIME

NEA 1390/02: The evaluation programs FITFYS and FYSSCAN were compiled by the NEA-DB and executed on a 80386DX desktop computer. Elapsed execution times required were: 1 hour 58 minutes for FYSSCAN and 2 minutes 15 seconds for FITFYS.
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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
NEA-1390/02 18-MAR-1992 Tested at NEADB
NEA-1390/03 18-MAR-1992 Screened
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10. REFERENCES

- M. Lammer:
  UKFY2 The UK Fission Product Yield Library, Version 2, 1991
  IAEA-NDS-124, Rev. 0 (April 1991)
NEA-1390/02, included references:
- M.F. James,, R.W. Mills, D.R. Weaver:
  A New Evaluation of Fission Product Yields and the Production of
  a New Library (UKFY2) of Independent and Cumulative Yields.
  Part I - Methods and Outline of the Evaluation
  AEA-TRS-1015
- M.F. James, R.W. Mills, D.R. Weaver:
  A New Evaluation of Fission Product Yields and the Production of
  a New Library (UKFY2) of Independent and Cumulative Yields.
  Part II - Tables of Measured and Recommended Fission Yields
  AEA-TRS-1018
- M.F. James, R.W. Mills, D.R. Weaver:
  A New Evaluation of Fission Product Yields and the Production of
  a New Library (UKFY2) of Independent and Cumulative Yields.
  Part III - Tables of Fission Yields with Discrepant or Sparse Data
  AEA-TRS-1019
- M.Lammer
UKFY2 - The UK Fission Product Yield Library, Version 2, 1991
Summary Documentation
IAEA-NDS 124
NEA-1390/03, included references:
- M.F. James,, R.W. Mills, D.R. Weaver:
  A New Evaluation of Fission Product Yields and the Production of
  a New Library (UKFY2) of Independent and Cumulative Yields.
  Part I - Methods and Outline of the Evaluation
  AEA-TRS-1015
- M.F. James, R.W. Mills, D.R. Weaver:
  A New Evaluation of Fission Product Yields and the Production of
  a New Library (UKFY2) of Independent and Cumulative Yields.
  Part II - Tables of Measured and Recommended Fission Yields
  AEA-TRS-1018
- M.F. James, R.W. Mills, D.R. Weaver:
  A New Evaluation of Fission Product Yields and the Production of
  a New Library (UKFY2) of Independent and Cumulative Yields.
  Part III - Tables of Fission Yields with Discrepant or Sparse Data
  AEA-TRS-1019
- M.Lammer
UKFY2 - The UK Fission Product Yield Library
Version 2, 1991, Summary Documentation
IAEA-NDS 124
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11. MACHINE REQUIREMENTS:
NEA-1390/02
The lengths of the .EXE files are: FITFYS.EXE: 500KB;
FYSSCAN: 470KB. A 80387 math co-processor was used.
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12. PROGRAMMING LANGUAGE(S) USED
Package ID Computer language
NEA-1390/02 FORTRAN-77
NEA-1390/03 FORTRAN-77
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13. OPERATING SYSTEM UNDER WHICH PROGRAM IS EXECUTED:
NEA-1390/02
MS-DOS 5.0 with compiler Microsoft FORTRAN Vers.5.0.
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14. OTHER PROGRAMMING OR OPERATING INFORMATION OR RESTRICTIONS:
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15. NAME AND ESTABLISHMENT OF AUTHORS

             M.F. James
             Winfrith Technology Centre
             AEA Technology, UK

             R.W. Mills and D.R. Weaver
             University of Birmingham, UK
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16. MATERIAL AVAILABLE
NEA-1390/02
File name File description Records
NEA1390_02.001 Information file 87
NEA1390_02.002 Author's information 35
NEA1390_02.003 Chain yield data (self-extr.) 0
NEA1390_02.004 Average cumulative yields (self-extr.) 0
NEA1390_02.005 Unadjusted chain yields (self-extr.) 0
NEA1390_02.006 Experimental data base (self-extr.) 0
NEA1390_02.007 FITFYS,FYSSCAN (self-extr.) 0
NEA1390_02.008 DOS file-names 7
NEA-1390/03
File name File description Records
NEA1390_03.001 Information file 40
NEA1390_03.002 UKFY2: adjusted indep. & cumulative yields 56450
NEA1390_03.003 UKFY2: chain yield tables 17047
NEA1390_03.004 UKFY2: fractional indep. yield tables 2810
NEA1390_03.005 UKFY2: chain yield discrepancy tables 9875
NEA1390_03.006 UKFY2: fract. indep. yield discrepancy tabs. 332
NEA1390_03.007 UKFY2: references 2784
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17. CATEGORIES
  • Z. Data.

Keywords: data library, evaluated data, fission.