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18-Ar- 36 NEA RCOM-JUN83 SCIENTIFIC CO-ORDINATION GROUP
DIST-JAN09 20090105
----JEFF-311 MATERIAL 1825
-----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 **
** **
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***************************** JEFF-3.0 *************************
Skeleton MF-5 MT-22,28 added
DATA TAKEN FROM :- JEF-2.2 (DIST-JAN92)
******************************************************************
* JEF-2 *
* DATA WERE TAKEN FROM RCN-2 EVALUATION. *
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* 23-AUG-84: COMMENTS ADDED. Q-VALUES IN MF=3,MT=91 *
* AND IN MF=5,MT=16 CORRECTED. *
* 3-FEB-85: DATA WERE EXTENDED DOWN TO 1.0E-5 EV
* AFTER CONSULTAION WITH H.GRUPPELAAR.
* 12-FEB-85: Q-VALUES AND THRESHOLD ENERGIES FOR MT=22, 28, 108
* CORRECTED
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ARGON-36
AUTOMATICALLY TRANSLATED INTO ENDF/B FORMAT FROM KEDAK SOURCE BY
K T O E - 3
ORIGINAL COMMENT IS:
ECN-3 EVAL. H.GRUPPELAAR AND H.A.J.VAN DER KAMP 04/02/82
MINIMUM ENERGY .00100 EV
MIN EN OF STATISTICAL MODEL 46.50000 KEV
ENERGY OF FIRST EXCITED STATE 1.97000 MEV
CONTINUOUS STAT MODEL ABOVE 6.86700 MEV
HIGH ENERGY MODEL ABOVE 11.00000 MEV
MAXIMUM ENERGY 20.00000 MEV
LEVEL DENSITY PARAMETER AR036 4.46600 1/MEV
LEVEL DENSITY PARAMETER AR035 5.60000 1/MEV
*****CROSS SECTIONS FOR NUCLIDES IN COVER GAS OF LMFBR**********
*****ARGON-36***************************************************
RESOLVED RESONANCE REGION
THERMAL CAPTURE CROSS SECTION = 5+-1 BARN (MU73)
RESONANCE INTEGRAL: NO MEASURED VALUE KNOWN
RESOLVED RESONANCE PARAMETERS,ONLY 0NE NEGATIVE RESONANCE
KNOWN(MU75),ONE HYPOTHETICAL RESONANCE AT 20 KEV
STRENGTH FUNCTION REGION UP TO 1.2 MEV.
CAPTURE CROSS SECTIONS WITH CODE FISPRO-ECN
OTHER CROSS SECTIONS WITH CODE SASSI-ECN
S-WAVE STRENGTH FUNCTION=0.91, P-WAVE STRENGTH FUNCTION
=0.33, THE SAME VALUES AS USED FOR ARGON-40
OTHER STRENGTH FUNCTIONS FROM OPTICAL MODEL
DOBS=30 KEV ,FROM BECKERMANN (BE77)
S-WAVE CAPTURE WIDTH=0.377 EV.THIS NUMBER CONSISTS OF A
CONTRIBUTION FROM VALENCY CAPTURE OF 0.12 EV AS CALCULATED
WITH A FORMULA GIVEN BY ALLEN ET AL.(AL77) AND A STATISTICAL
CONTRIBUTION OF 0.257 EV AS CALCULATED BY THE CODE CERBERO
P-WAVE CAPTURE WIDTH=0.638 EV, CALCULATED WITH CERBERO
HIGH ENERGY REGION ABOVE 1.2 MEV.
ALL CROSS SECTIONS WITH CODE SASSI-ECN
OPTICAL MODEL PARAMETERS FROM WIEDLING ET AL.(WI76)
LEVEL SCHEME OF TARGET NUCLEUS FROM ENDT AND VAN DER
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