55-Cs-137 NEA RCOM-JUL82 H.GRUPPELAAR,E.MENAPACE
JEF/DOC-30 DIST-JAN09 20090105
----JEFF-311 MATERIAL 5537
-----INCIDENT NEUTRON DATA
------ENDF-6 FORMAT
*************************** JEFF-3.1.1 *************************
** **
** Original data taken from: JEFF-3.1 **
** **
******************************************************************
***************************** JEFF-3.1 *************************
** **
** Original data taken from: JEFF-3.0 **
** **
******************************************************************
***************************** JEFF-3.0 ***********************
DATA TAKEN FROM :- JEF-2.2 (DIST-JAN92)
******************************************************************
* JEF-2 *
* DATA WERE TAKEN FROM ENEA/CEA EVAL. (MAT=5537). *
******************************************************************
* 16-FEB-85: DATA EXTENDED UP TO 20 MEV.
* 16-MAR-88: CHANGE OF THE FLAG FROM SINGLE LEVEL TO MULTI LEVEL
* BREIT-WIGNER RESONANCE PARAMETERS.FOR THE SPIN OF
* L=0,RESONANCES HAVE BEEN RANDOMLY ASSIGNED BY THE
* COMPUTER CODE RNDSPIN (H. GRUPPELAAR)
* 27-APR-89: MISSING CHARGE PARTICLE PRODUCTION DATA INCLUDED
* FROM REAC-ECN-4 LIBRARY
******************************************************************
55-CS-137 CNEN EVAL MAR77 CNEN-CDC-BOLOGNA
CESIUM-137 NEUTRON CROSS SECTION EVALUATION
-----------------------------MF 1-------------------------------
MT 451
2200 M/SEC CAPTURE 0.14B
RESONANCE INTEGRAL 0.76B
-----------------------------MF 2------------------------------
MT 151
CONTAINS RESOLVED PLUS UNRESOLVED MEAN PARAMETERS
THE RESOLVED PARAMETERS WERE RANDOMLY GENERATED BY THE PROGRAM
PSEUDO
-----------------------------MF 3-------------------------------
MT 1,2 AND 102
A SMOOTH BACKGROUND WAS ADDED TO ACCOUNT FOR NEGATIVE PEACKS
MT 251,252,253
COMPUTED BY SYSMF FROM CERBERO ANGULAR DISTRIBUTIONS.
-----------------------------MF 4-------------------------------
MT 2
TRANSFORMATION MATRIX AND LEGENDRE COEFFICIENTS COMPUTED BY
SYSMF FROM THE ANGULAR DISTRIBUTIONS GENERATED BY CERBERO.
MT 16
ASSUMED ISOTROPIC IN THE LABORATORY FRAME OF REFERENCE
MT 91 AND DISCRETE LEVELS
ASSUMED ISOTROPIC IN THE LABORATORY FRAME OF REFERENCE
-----------------------------MF 5-------------------------------
MT 16
EVAPORATION SPECTRUM (LF=9) ASSUMED, WITH T=T(E) AND
T = CONSTANT FOR THE 2ND NEUTRON
MT 91
EVAPORATION SPECTRUM (LF=9) ASSUMED, WITH T=T(E)
----------------------------------------------------------------
COMPUTER CODES USED WERE
1)-CRESO RESONANCE REGION DATA
2)-CERBERO CONTINUUM REGION CROSS SECTION,ANGULAR AND ENERGY
DISTRIBUTION DATA
3)-ERINNI HIGH ENERGY REGION CROSS SECTIONS
4)-SYSMF DATA HANDLING AND FILE GENERATION
5)-PSEUDO RESONANCE PARAMETERS GENERATION
COMPLETED ON TUESDAY 22 MARCH 1977 AT 22.30.24
***************** PROGRAM LINEAR (VERSION 83-1) *****************
DATA LINEARIZED TO WITHIN AN ACCURACY OF 0.100 PER-CENT
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