NESC0532 ZZ-LASL-XSECS.

ZZ LASL-XSECS, Fast and Thermal Multigroup Cross-Section Library in LANL Transport Format

NAME OR DESIGNATION OF PROGRAM, COMPUTER, DESCRIPTION OF PROBLEM 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 AUTHOR, MATERIAL, CATEGORIES

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1. NAME OR DESIGNATION OF PROGRAM: LASL GROUP-AVERAGED X-SECTIONS

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2. COMPUTERS

To submit a request, click below on the link of the version you wish to order. Only liaison officers are authorised to submit online requests. Rules for requesters are available here.

Program name	Package id	Status	Status date
ZZ-LASL-XSECS	NESC0532/01	Tested	03-MAR-1982

Machines used:

Package ID	Orig. computer	Test computer
NESC0532/01	IBM 3033	IBM 3033

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3. DESCRIPTION OF PROBLEM OR FUNCTION

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  FORMAT: LASL transport theory programs

  NUMBER OF GROUPS: 18-, 24-, and 25-group.

NUCLIDES: Al, B, Be, C, Cd, Cl, D, Ga, F-194, Fe, H, K, Li-6, Mo, Na, Ni, O, Pu-239, Pu-240, Pu-249, Th, U-233, U-235, U-238, and Zr.
  ORIGIN: Los Alamos Scientific Laboratory _ Univ of California.

  WEIGHTING SPECTRUM:

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Group constants and computed neutron cross sections are tabulated for a variety of materials including - Al, B, Be, C, Cd, Cl, D, Ga, F194, Fe, H, K, Li6, Mo, Na, Ni, O, Pu239, Pu240, Pu249, Th, U233, U235, U238, and Zr. These are presented as 18-, 24-, and 25-group calculations for reactors with neutron energies ranging from fast to thermal.

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4. METHOD OF SOLUTION

The tables are arranged in increasing nuclide
number in the format used by the LASL transport theory programs.
With a few exceptions, elements are given in alphabetical order.
All cross sections are in barns.

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5. RESTRICTIONS ON THE COMPLEXITY OF THE PROBLEM:

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6. TYPICAL RUNNING TIME

NEA-DB executed the test case of the library generator RDTAX on IBM 3033 in 9 CP seconds.

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7. UNUSUAL FEATURES OF THE PROGRAM:

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8. RELATED AND AUXILIARY PROGRAMS

RDTAX, a program used at LASL to
prepare a binary library tape for use with DTF from the BCD data
tape has been included in this package.

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9. STATUS

Package ID	Status date	Status
NESC0532/01	03-MAR-1982	Tested at NEADB

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10. REFERENCES

G. I. Bell, J. J. Devaney, G. E. Hansen, C. B. Mills,
and W. H. Roach, Los Alamos Group-averaged Cross Sections,
LAMS-2941, September 1963.
F. Brinkley, LASL Memorandum (rough draft), October
10, 1967.

NESC0532/01, included references:

- E. Sartori:
Note on ZZ-LASL-XSECS (13 December, 1988)

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11. MACHINE REQUIREMENTS: RDTAX requires for execution 316K bytes on IBM 3033.

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12. PROGRAMMING LANGUAGE(S) USED

Package ID	Computer language
NESC0532/01	FORTRAN-IV

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13. OPERATING SYSTEM UNDER WHICH PROGRAM IS EXECUTED: SCOPE.

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14. OTHER PROGRAMMING OR OPERATING INFORMATION OR RESTRICTIONS:

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15. NAME AND ESTABLISHMENT OF AUTHOR

                 C. B. Mills
                 Los Alamos Scientific Laboratory
                 P. O. Box 1663
                 Los Alamos, New Mexico  87544

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16. MATERIAL AVAILABLE

NESC0532/01

File name	File description	Records
NESC0532_01.002	ZZ-LASL-XSECS INFORMATION	26
NESC0532_01.003	ZZ-LASL-XSECS LIBRARY BCD	22946
NESC0532_01.004	RDTAX SOURCE PROGRAM FORTRAN-4	62
NESC0532_01.005	RDTAX JCL	9
NESC0532_01.006	RDTAX OUTPUT	837

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17. CATEGORIES

C. Static Design Studies
Z. Data.

Keywords: cross sections, group constants, libraries, sorting.