DLC-0012 ZZ-POPLIB.

ZZ-POPLIB.

%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
FORMAT: POPOP-4

NUMBER OF GROUPS: --

NUCLIDES: H, D, Li, Be, 10B, C, N, O, F, Na, Mg, Al, Si, P, S, Cl, K, Ca, Ti, Cr, Mn, Fe, Co, Ni, Cu, Zn, Ga, Zr, Nb, Mo, Cd, Ba, Eu, Gd, Ta, W, Hg, Pb, 235U, 238U, and Np.

ORIGIN: The library was compiled from the literature and from private files of contributors.

WEIGHTING SPECTRUM: --

%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
The DLC-12/POPLIB Library was compiled by W. E. Ford, III, and others at the Computing Technology Center in conjunction with the development of the PSR-11/POPOP4 code. POPOP4 converts such data into multigroup transfer cross sections for use in transport codes.

POPLIB may be used with PSR-11/POPOP4 to prepare neutron to gamma-ray group transfer matrices. These can then be merged with multigroup neutron cross section sets (from GAM-II, CCC-123/XSDRN, PSR-13/SUPERTOG, etc.) and multigroup gamma-ray cross section sets (from MUG, PSR-86/GAMLEG, etc.) to give a cross section set which can be used for coupled neutron and secondary gamma-ray calculations in multigroup transport codes such as CCC-82/ANISN-CEA, CCC-89/DOT, CCC-42/DTF-IV, and CCC-127/MORSE.

The POPLIB Library data is either:

1. the intensities of secondary gamma rays resulting from neutron-nucleus interactions (yields), or

2. the secondary gamma-ray production cross sections for neutron-nucleus interactions (cross sections).

The Library was compiled from the literature and from private files of contributors. No claim is made for the validity of the data.

The initial POPLIB Library contains data for: H, D, Li, Be, 10B, C, N, O, F, Na, Mg, Al, Si, P, S, Cl, K, Ca, Ti, Cr, Mn, Fe, Co, Ni, Cu, Zn, Ga, Zr, Nb, Mo, Cd, Ba, Eu, Gd, Ta, W, Hg, Pb, 235U, 238U, Np.

The library was compiled from the literature and from private files of contributors. No claim is made for the validity of the data.

The DLC-12/POPOP4 Library TAPEMAKER runs in less than two minutes on the IBM 360/65 computer..

POPOP4 TAPEMAKER: A Program for Making or Updating either a Binary or a BCD Formatted Library Tape of Neutron-Induced Secondary Gamma-Ray Yield and Cross Section Data Sets. The use of this program is described in ref. 2, appendix E.

This program will read a BCD formatted POPOP-4 library tape and make a binary POPOP-4 library tape for use with POPOP-4. In addition the program includes the capability of –

1. making or updating a BCD formatted library tape,

2. making or updating a binary library tape for use with POPOP-4,

3. listing any or all the data sets on a library tape,

4. punching any or all the data sets on a library tape in the format for use with POPOP-4. (this capability is usually used to retrieve data sets in order to modify the data prior to use with POPOP-4.

• W. E. Ford, III, and J. S. Gillen: "The Testing of 238U Secondary Gamma-Ray Production Data Sets from the POPOP4 Library," ORNL-TM-3482 (February 1972 and Errata May 8, 1972).

Computing Technology Center

Union Carbide Corporation

Nuclear Division

Oak Ridge, TN, USA