DLC-0128 ZZ-LAHIMACK.

1. NAME OR DESIGNATION OF PROGRAM:  ZZ-LAHIMACK.

3. DESCRIPTION OF PROGRAM OR FUNCTION


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FORMAT: ANISN (using COPYBL to convert from EBCDIC to binary)

NUMBER OF GROUPS:  9 neutron groups from 800 MeV to 50 MeV;
                   21 gamma-ray groups from 14 to 0.01 MeV.

NUCLIDES: H-1, C, O, Al, Si, Fe, Pb;
           W (x-sections only);
           N, Ca (response functions only).

ORIGIN: LANL transport cross sections; ORNL library HILO;
         response functions created by HETC (above 20 MeV),
         and collapsed from MACKLIB-IV (below 20 MeV).

WEIGHTING SPECTRUM:

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The energy range of the library, from thermal to 800 MeV is relevant to the solution of shielding, nuclear heating, and other radiation protection problems connected with the accelerator neutron sources e.g. spallation target. The data contains 10 elements of shielding and biological importance. They can easily be implemented to the neutron transport codes like ANISN and DOT by using the activity option.

4. METHOD OF SOLUTION:

5. RESTRICTIONS ON THE COMPLEXITY OF THE PROBLEM:

6. TYPICAL RUNNING TIME:

Tests were performed at the NEA-DB in three different computers:
1) DEC VAX 6000/510 (running OpenVMS 6.0-1;)
2) DEC 3000 Model 300X - Alpha AXP Architecture WS (running DEC
OSF/1 V3.2);
3) PC Brett - Pentium processor , 75 MHz.
Execution times to perform the BCD to binary conversion of LAHIMACK library were:
1) on the DEC VAX 6000/510, about 12 CPU seconds;
2) on DEC 3000 Model 300X, only a few seconds of elapsed time;
3) on the PC, about 32 seconds of elapsed time.

7. UNUSUAL FEATURES OF THE PROGRAM:

8. RELATED AND AUXILIARY PROGRAMS

COPYBL: to convert the EBCDIC Data  to the ANISN binary format.
The original LAHI library is a combination of the OAK Ridge National Laboratory library HILO and the Los Alamos National Laboratory high energy neutron multigroup library which was further  developed at the Institute of Reactor Development, KFA Juelich GmbH, West Germany, within the Spallation Neutron Source Project. The LAHIMACK version of his library contains, additionally, the multigroup response functions/reaction cross sections, secondary particle production, KERMA factors, etc., obtained from the HETC high energy transport code (thin target option) and from the MACK-IV code from ENDF/B-IV.

10. REFERENCES

- R.G. Alsmiller at al.:
  Neutron-Photon Multigroup Cross Sections for Neutron Energies
  below 400 Mev,
  ORNL/TM-7818, Oak Ridge National Laboratory (1981)
- W.B. Wilson:
  Nuclear Data Development and Shield Design for Neutrons below 60
  Mev,
  La-7159, Los Alamos National Laboratory (1978)
- P. Cloth et al.:
  The KFA-Version of the High Energy Transport Code HETC and the
  Generalized Evaluations Code SIMPEL,
  Jul-Spez-196 (March 1983)
- M.A. Abdou et al.:
  MACK-IV, A New Version of MACK - A Program to Calculate Nuclear
  Response Functions from Data in ENDF/B format,
  ORNL/TM-3994, Oak Ridge National Laboratory (1973)
- R.G. Fluharty et al.:
  Transport of Neutrons Induced by 800 Mev Protons,
  LA-UR-73-200, Los Alamos Scientific Laboratory (1973)

- Material Identifiers and Response Positions for DLC-128/LAHIMACK
  Institute for Nuclear Physics.
  Informal Notes (April 1987)
- H. Schaal:
  Combination of High Energy Libraries LASL and HILO as LAHI
  LIbrary for Deep Penetration Calculations
  SNQ 3J/BH 1207 83, KFA Julich (1983)
- J.M. Zazula et al.:
  Secondary Particle Yield and Energy Release Data from
  Intranuclear-Cascale-Evaporation Model Calculations of High Energy
  (20-110 MeV) Neutron Interaction with Elements of Shielding and
  Biological Importance, Nuclear Instruments and Methods in Physics
  Research, B16 506 (1986)
- T.W. Armstrong et al.:
  Calculational Methods and High Energy Cross Sections for
  Spallation Source Shielding
  Proceedings ICANS VIII, Chalk River, Canada (Sept. 1983)

11. MACHINE REQUIREMENTS:

The filesize of the multigroup cross-section data library in BCD format is 3.1 Megabyte. The filesize of the corresponding binary version created by the program COPYBL is 0.9 Megabyte. - On the PC-Brett Pentium processor 75 MHz, the filesizes  of the executables of the program COPYBL are: - (1) if using the Lahey F77L/EM-32 compiler and linker and including the stubloader option at linking time (option -STUB RUNB): 278 Kbyte; - (2) if using the Microsoft compiler and linker: 70 Kbyte.

13. OPERATING SYSTEM UNDER WHICH PROGRAM IS EXECUTED:

1) In the DEC VAX 6000/510
       Operating system: OpenVMS 6.0-1
       Compiler        : FORTRAN-77
2) In the DEC 3000 Model 300X (Alpha AXP Architecture Workstation)
       Operating system: DEC OSF/1 V3.2
       Compiler        : DEC Fortran (f77) V3.4-480
3) In the PC Brett - Pentium processor , 75 MHz
       Operating system: MS-DOS 6.2
Compilers : Lahey F77L-EM/32 FORTRAN 77 (Version 5.20);
MicroSoft FORTRAN (Version 5.10)

14. OTHER PROGRAMMING OR OPERATING INFORMATION OR RESTRICTIONS:

15. NAME AND ESTABLISHMENT OF AUTHORS

Contributed by: Radiation Safety Information Computational Center
                Oak Ridge National Laboratory
                OAK RIDGE, Tennessee, U.S.A.
Developed by:   Institute of Nuclear Physics
                KRAKOW, Poland

File name	File description	Records
DLC0128_01.001	Information file of package ZZ-LAHIMACK	196
DLC0128_01.002	LAHIMACK library file (BCD format)	39036
DLC0128_01.003	Source file of the auxiliary program COPYBL	37
DLC0128_01.004	Lahey PC-executable of program COPYBL	0
DLC0128_01.005	MicroSoft PC-executable of program COPYBL	0
DLC0128_01.006	Lahey auxiliary file of runtime error mess.	0
DLC0128_01.007	DOS file-names	6