INDC(SEC)-46/U+R+F+SIN DC INTERNATIONAL NUCLEAR DATA ...
INDC(SEC)-46/U+R+F+SIN DC INTERNATIONAL NUCLEAR DATA ...
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 />
653065 15o C MEV 5o 0X 1 BAN MoMc ISLAM RAM<br />
0: FOR FAST REACTORSc<br />
212261 2c OX 2 UK CoGoCAMPBELL WIN<br />
JoGoTYROR<br />
WIN<br />
0: FISSION SPECTRUM AVERAGE wAN TE Dc<br />
O: FOR FAST AND THERMAL REACTOR So<br />
214220 8C0o KEV 1 5o 0 MEV 1 CCP McNoN IKOLAEV FEI<br />
0: RATIO TO U-235 FISSION CS IS WANTED,<br />
ABSOLUTE MEASUREMENTS AND MEASUREMENT OF THE RATIO<br />
TO THE NP-237 FISSION CS WOULD BE VERY USEFULc<br />
AVERAGE CS IN FISSION-NEUTRON SPECTRUM OF CF-252<br />
TIMES NU-BAR OF CF-252 IS OF GREAT INTEREST FOR<br />
REDUCING THE DEPENDENCE OF THE ACCURACY OF<br />
NEUTRON PRODUCTION CALCULATIONS UPON THE<br />
ACCURACY OF' THE CF-252 NU-BAR STANDARD<br />
(REQUIRED ACCURACY 1 PERCENT >c<br />
A: REQUESTED ACCURACIES - 5 PERCENT BELOW lc 3 MEV,<br />
ANC ABOVE 6c 5 MEV, AND 2 PERCENT BETWEEN<br />
1 , 3 AND 6c 5 MEVc<br />
ABSOLUTE VALUES WITH 2 TO 3 PERCENT ACCURACYo<br />
O: SEE GENERAL COMMENTS IN THE INTRODUCTION<br />
AT LEAST THREE DIFFERENT MEASUREMENTS WITH THESE<br />
ACCURACIES WANTEDc<br />
FIRST PRIORITY BECAUSE HIGH ACCURACY OF THE U-236<br />
FISSION CS IS IMPORTANT IN CONNECTION WITH THE<br />
USE OF THIS CS AS A CONVENIENT STANDARD FOR<br />
THRESHOLD-REACTION MEASUREMENTSo<br />
M: SUBSTANTIAL MODIFICATIONSo<br />
222112 5o 00 MEV 3c 0 X 1 UK Co Gc CAMPBELL WIN<br />
0: FOR FAST REACTORSc<br />
742386 15o 0 MEV 3o0X 1 FR AcMICHAUDON BRC<br />
0: FOR CRITICAL ASSEMBLIcSc<br />
242112 2o 0 X 1 EUR NEUTRON DOSIMETRY GROUP GEL<br />
Q: RATIO OF AVERAGE CROSS <strong>SEC</strong>TION IN A U-235 FISSION<br />
SPECTRUM TO AVERAGE U-235 FISSION CROSS <strong>SEC</strong>TION<br />
IS WANTEDc<br />
O: FOR NORMALIZATION OF AVERAGE CROSS <strong>SEC</strong>TIONS FOR<br />
DOSIMETRY PURPOSESo<br />
242136 lo 50 MEV 6o 70 MEV SoOX 2 EUR NEUTRON DOSIMETRY GROUP GEL<br />
O: FOR NEUTRON DOSIMETRY USING SPECTRUM UNFOLDING<br />
METHODSo<br />
GREATER THAN 10 PERCENT DISCREPANCY BETWEEN<br />
INTEGRAL AND DIFFERENTIAL MEASUREMENTSc<br />
254519 a OOo KEV 1 Oo 0 MEV<br />
LoNc USACHEV<br />
FEI<br />
FROM Oo 8 - ICoO MEV ACCURACY 2o8 PERCENT .<br />
PRIORITY 2 ACCURACY lo8 PERCENTo<br />
NEED FOR FAST REACTOR CALCULATIONSo<br />
FOR MORE DETAIL SEE INTRODUCTIONo<br />
NEW REQUESTo<br />
STATUS-<br />
HAR SOWERBY+ ANE 1 409(1974), EVALUATION OF CATA PUBLISHED BEFORE ABOUT JANUARY 1973o<br />
o oESTIMA TEC UNCERTAINTY IN FISSION CROSS <strong>SEC</strong>TIONoo<br />
oo 600 KEV TO 1 MEV oooo 20 TC 10 PERCENT c o<br />
oo 2 ME V TO 20 MEV oooo 4,0 TO 5o5 PERCENT oo<br />
oo NEAR 14 MEV ooooooooooo 2 PERCENT<br />
FOLLOWING OATA AVAILABLE SINCE SOWERBY EVALUATION<br />
LRL BEHRENS+ - ISNOC-l1 136(1974). TC 20 MEVc<br />
RPI BLCCK+ - PPL 31 247(1 973>o SUBTHRESHOLD FISSION<br />
HAR COATES+ - AERE-PR/NP-21 8(1974), <strong>DATA</strong> 400KEV TO 22 MEV RELATIVE TO U-235 FISSION CROSS <strong>SEC</strong>TIONo<br />
KFK BROTZ+ - NEANCC(E)-161 99(1974) , IN PROGRESS 1 TO 30 MEVo<br />
CCP FUSSOVo - 73KIEV, <strong>DATA</strong> lo4 TC 70 4 MEVo<br />
ALCHASOVo - 73KIEV, VALUE AT 1 4o 6 MEVo<br />
LAS SILBERT* - PR/C 4 220(1971loBOMB <strong>DATA</strong>o AVERAGE SUBTHRESHOLD CROSS <strong>SEC</strong>TION. 10 KEV TO 100 KEVo<br />
92 URANIUM 238 NEUTRCN NEUTRONS EMITTED PER FISSION (NU BAR)<br />
551225 1Oo 0 MEV 1o OX 1 USA CoEoTILL ANL<br />
Po So HEMMIG<br />
AEC<br />
O: ENERGY REOUESTEC IS A MAXIMUM VALUE ONLYo<br />
RATIO TO CF-252 NU WANTEDo<br />
O: TO VERIFY MEASUREMENT OF SOLEILACo<br />
M: SUBSTANTIAL MODIFICATIONSo<br />
214321 5o 00 MEV 0o7X 2 > MoNoNIKOLAEV FEI<br />
O: RATIO TO CF-252 NU WANTEDo<br />
A: ENERGY DEPENDENCE MUST BE KNOWN WITH Oo 7 PERCENT<br />
ACCURACY AND ABOUT 10 PERCENT ENERGY<br />
RESOLUTIONo<br />
O: SEE GENERAL COMMENTS IN THE INTRODUCTION<br />
242556 15o 0 MEV loOX 1 FR AoMICHAUDON BRC<br />
0: FOR CRITICAL ASSEMBLIESO<br />
FISSION LIST PAGE 1 lo 83
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