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92-U -232 NEA RCOM-JUN82 SCIENTIFIC CO-ORDINATION GROUP
DIST-JAN09 20090105
----JEFF-311 MATERIAL 9219
-----INCIDENT NEUTRON DATA
------ENDF-6 FORMAT
*************************** JEFF-3.1.1 *************************
** **
** Original data taken from: JEFF-3.1 **
** **
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***************************** JEFF-3.1 *************************
** **
** Original data taken from: JEFF-3.0 **
** **
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05-01 NEA/OECD (Rugama) 8 delayed neutron groups
Jefdoc-976 (Wilson and England, Prog Nucl Eng 41,71(2002)
***************************** JEFF-3.0 ***********************
DATA TAKEN FROM :- JEF-2.2 (DIST-JAN92)
ENDF/B-VI.4 (MF1MT452,455,456, MF5MT455)
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* JEF-2 *
* DATA WERE TAKEN FROM ENDF/B-V(MAT=8232). *
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* 18-DEC-84: RADIOACTIVE DECAY DATA DELETED.
* 26-DEC-84: Q-VALUE FOR MT=102 CORRECTED
* 3-JAN-85: RESONANCE PARAM. CHANGED TO ORIGINAL SINGLE-LEVEL.
* 5-APR-88: CHANGE OF THE FLAG FROM SINGLE LEVEL TO MULTI LEVEL
* BREIT-WIGNER RESONANCE PARAMETERS
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HEDL EVAL-NOV77 MANN
DIST-DEC78 790307
MF=1
MT=452 NU. MEASURED VALUE HIGHER THAN SYSTEMATICS (2.47)
(REF. 5)
MT=458 ENERGY OF FISSION SYSTEMATICS OF SHER (REF. 6)
MF=2
MT=151 RESOLVED RESONANCE PARAMETERS FROM BNL-325 (REF. 1).
FISSION PARAMETERS ARE SINGLE LEVEL BREIT-WIGNER PARAMETERS
NOT REICH-MOORE PARAMETERS AS GIVEN IN BNL-325. THERMAL
CROSS SECTIONS (72.7 B AND 77.2 B FOR CAPTURE AND FISSION)
AGREE WELL WITH BNL-325 (73.1 +- 1.5 B AND 75.2 +- 4.7 B).
RESONANCE INTEGRALS (280 AND 600 B) ALSO AGREE WELL WITH BNL-
325 (280 +- 15 AND 320 +- 40).
MF=3
MT=1 TOTAL. FROM OPTICAL MODEL
MT=2 ELASTIC. DIFFERENCE OF TOTAL AND PARTIAL CROSS SECTIONS
MT=4 INELASTIC. SUM OF 51,...,63,91
MT=16 (N,2N)
MT=18 FISSION. RESULTS ARE FROM STATISTICAL MODEL CALCULATIONS
(REF. 2) WHICH ARE IN GOOD AGREEMENT WITH THE DATA OF
AUCHAMPAUGH ET AL (REF. 3) AND FARRELL (REF. 4)
MT=51,...,63 DISCRETE INELATIC. FROM STATISTICAL MODEL
CALCULATIONS (REF. 2)
MT=91 CONTINUUM INELASTIC. FROM STATISTICAL MODEL CALCULATIONS
MT=102 CAPTURE. FROM STATISTICAL MODEL CALCULATIONS
MT=251,252,253. DERIVED FROM MF=4,MT=2.
MF=4
MT=2 ELASTIC. FROM OPTICAL MODEL (POTENTIAL SCATTERING ONLY)
MT=16 (N,2N) ASSUMED ISOTROPIC
MT=18 FISSION. ASSUMED ISOTROPIC
MT=51,...,63 DISCRETE INELASTIC. ASSUMED ISOTROPIC
MT=91 CONTINUUM INELASTIC. ASSUMED ISOTROPIC
MF=5
MT=16 (N,2N) SIMPLE EVAPORATION MODEL
MT=18 FISSION. MAXWELLIAN WITH TEMPERATURE = 1.33 MEV
MT=91 CONTINUUM INELASTIC. SIMPLE EVAPORATION SPECTRUM
92-U -232 INEL EVAL-AUG78 REICH
DATA ADDED TO THE FILE AT BNL BY R. KINSEY SEP78.
REFERENCES.
1. S.F. MUGHABGHAB AND D.I. GARBER, BNL-325, VOL. 1, BROOKHAVEN
NATIONAL LABORATORY (2973)
2. F.M. MANN AND R.E. SCHENTER HEDL TME-77-54, HANFORD
ENGINEERING DEVELOPMENT LABORATORY (1977)
3. G.F. AUCHAMPAUGH, C.D. BOWMAN, AND J.E. EVANS, NUCL. PHYS.
A112 (1968) 329.
4. J. A. FARRELL, LA-4420, LOS ALAMOS SCIENTIFIC LABORATORY
(1970)
5. R. J. HOWERTON, NUCL. SCI. AND ENG. 62(1977)438
6. R. SHER (PRIV. COMM., 1977)
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Relevant comments taken from ENDF/B-VI.4
----------------------------------------
ENDF/B-V MATERIAL CONVERTED TO ENDF-6 FORMAT BY NNDC
* * * * * * *
MF=1
MT=452 NU. MEASURED VALUE HIGHER THAN SYSTEMATICS (2.47)(REF4)
MT=455 BRADY,ENGLAND NSE 103,129(1989)
MF=5
MT=455 DEL. N YIELDS, BRADY,ENGLAND NSE 103,129(1989)
REFERENCES.
1. S.F. MUGHABGHAB AND D.I. GARBER, BNL-325, VOL. 1, BROOKHAVEN
NATIONAL LABORATORY (2973)
2. F.M. MANN AND R.E. SCHENTER HEDL TME-77-54, HANFORD
ENGINEERING DEVELOPMENT LABORATORY (1977)
3. G.F. AUCHAMPAUGH, C.D. BOWMAN, AND J.E. EVANS, NUCL. PHYS.
A112 (1968) 329.
4. J. A. FARRELL, LA-4420, LOS ALAMOS SCIENTIFIC LABORATORY
(1970)
5. R. J. HOWERTON, NUCL. SCI. AND ENG. 62(1977)438
6. R. SHER (PRIV. COMM., 1977)
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