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INDC(SEC)-46/U+R+F+SIN DC INTERNATIONAL NUCLEAR DATA ...

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92 URANIUM 235 NEUTRON DELAYED NEUTRONS EMITTED PER FISSION (CONTINUED)<br />

Z54 020 800c KEV 1 Oc 0 MEV LoNoUSACHEV FEI<br />

FROM Oo B - lOoO MEV ACCURACY 2o1 PERCENT,<br />

PRIORITY 2 ACCURACY loO PERCENTo<br />

NEED FOR FAST REACTOR CALCULATIONSo<br />

FOR MORE DETAIL SEE INTRODUCTION<br />

NEW REQUEST,<br />

STATJS-<br />

-STATUS<br />

I AE<br />

LRL<br />

ANL<br />

ALD<br />

MANERO+ - REA 10 637(1572), REVIEWo<br />

HOWE* - NCSAC-42 130(1971). 1 KEV TO 15 MEV.,IN PROGRESSo<br />

OAVEY - NSE 44 345( 1971 ). EVALUATION TO 1 5 MEVc<br />

MATHER* - AWRE-0-44/71, EVALUATION TC 15 MEV<br />

92 URANIUM 238 NEUTRON DELAYED NEUTRONS EMITTED PER FISSION<br />

652392 2,00 MEV CoGcCAMPBELL<br />

J o Go TYROR<br />

WIN<br />

WIN<br />

A: LOW RESOLUTION ADEQUATE FOR INCIDENT ENERGYo<br />

0: FOR FAST AND THERMAL REACTORSo<br />

Z41JL22 1 So 0 MEV<br />

0: <strong>DATA</strong> STILL DISCREPANTc<br />

M: NEW REQUESTo<br />

-STATUS<br />

A I<br />

HFA<br />

I AE<br />

LAS<br />

ANL<br />

ALO<br />

TUTTLEo - NSE £6 37(1975), REVIEW WITH RECCMMENCEO VALUES,<br />

SHALEV+ - NSE 51 52(1973), FAST REACTOR SPECTRUMo<br />

MANERO* - REA 10 637(1972). REVIEW Ool TO 15 MEVo<br />

EVANS* - LSN<strong>DC</strong>-3 127(1972). REVISED OATA AT 3o1 ANC 15 MEVo<br />

COXo ANL/NCM-5(1974)o MEASUREMENT ANC EVALUATION, 2 TO 15 MEV,<br />

MCTAGGART - EANCC(UK)-151(1973), FAST REACTOR SPEC MEASUREMENT IN PROGRESSo<br />

92 URANIUM 238 NEUTRON ENERGY SPECTRUM OF FISSION NEUTRONS<br />

652400 2,00 MEV<br />

COGOCAMPBELL<br />

WIN<br />

ACCURACY FOR AVERAGE E',<br />

ACCURACY 10 PERCENT ON NUMBER OF NEUTRONS<br />

ABOVE 5o MEV AND BELOW o25 MEVo<br />

LOW RESOLUTION ADEQUATE FOR INCIDENT ENERGYo<br />

FOR FAST REACTORSc<br />

Z21J.45<br />

SoOO MEV SoOX Po BeHEMMIG AEC<br />

o: TO RESOLVE DISCREPANCIES IN EXISTING OATA,<br />

Z42O0S 15o 0 MEV- 2o 0 X 1 FR Ao MICHAUDON BRC<br />

O: FOR CRITICAL ASSEMBLIESc<br />

STATUS<br />

STATUS<br />

AE JOHANSSON* - EAN<strong>DC</strong>(OR)-135 47(1974), RELATIVE TO U-235, IN PROGRESSo<br />

92 URANIUM 238 NEUTRON RESONANCE PARAMETERS<br />

6S12S& 1=00 EV 20o 0 KEV lOoOX USA Po B,HEMMIG<br />

CoEcT ILL<br />

BoHUTCHINS<br />

PoBc HEMMIG<br />

AEC<br />

ANL<br />

GEB<br />

AEC<br />

Q: WANTED TO AS HIGH AN ENERGY AS CAN BE MEASUREDo<br />

O: NEEDED FOR DOPPLER EFFECT IN FAST REACTORSo<br />

NEED ANSWERS TO QUESTIONS OF MISSING P-WAVE LEVELS<br />

AND UNCERTAINTY OF GAMMA WIDTHSo<br />

692265 2,00 KEV 5o 00 KEV 3oOX C Ho HAEGGBLOM AE<br />

0: NEUTRON CAPTURE AND FISSION WIDTH NEEDED,<br />

0: NEEDED FOR FAST REACTOR CALCULATIONSo<br />

102025 SoOO EV 4o 00 KEV 2o OX Ho T ELL IER SAC<br />

FOR RESONANCE SELF SHIELDING ANO OOPPLER EFFECT,<br />

iiAai* 5c 00 KEV MoNoNIKOLAEV FEI<br />

OBSERVATION OF VERY WEAK P-WAVE RESONANCES IS<br />

DESIREDo<br />

RESOLUTION OF 90 PERCENT OF P-WAVE RESONANCES<br />

CONTROLLED BY PORTER-THOMAS DISTRIBUTION AND<br />

LEVEL SPACING DISTRIBUTION AND ALL S-WAVE<br />

RESONANCES BELOW 5 KEV IS OESIREDo<br />

CAREFUL IDENTIFICATION OF S AND P WAVE RESONANCES<br />

NEEDED FOR DETERMINATION OF P WAVE STRENGTH<br />

FUNCTIONo<br />

REQUEST CONNECTED WITH PROBLEM OF SELFSHIELDING<br />

EVALUATION IN UNRESOLVED RESONANCE REGIONo<br />

ATTENTION TO BE PAID TO THE PROBABLE DIFFERENCE<br />

BETWEEN THE 1/2 (•) AND 1/2 (-) LEVEL OENSITIESo<br />

FIRST PRIORITY BECAUSE INVESTIGATION OF THE PARITY<br />

DEPENDENCE OF LEVEL DENSITY IS OF INTEREST FROM<br />

A SCIENTIFIC AS WELL AS FROM A PRACTICAL POINT<br />

OF VIEWo<br />

SUBSTANTIAL MODIFICATIONSo<br />

FISSION LIST PAGE 1 lo 83

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