ENTRY 13076 20200820 14731307600000001 SUBENT 13076001 20200820 14731307600100001 BIB 13 33 1307600100002 TITLE Measurement of the yields of I-135 and Ba-140 in the 1307600100003 fission of U-233, U-235, Pu-239 and Pu-241 1307600100004 AUTHOR (A.Okazaki,W.H.Walker) 1307600100005 INSTITUTE (1CANCRC) 1307600100006 REFERENCE (J,CJP,43,1036,1965) 1307600100007 FACILITY (REAC,1CANCRC) 1307600100008 METHOD The pile-oscillator method in PTR, a low-power, 1307600100009 light-water-moderated, enriched-uranium-fuelled pool 1307600100010 reactor, for determination of I135 yield 1307600100011 (GSPEC) For determination of Ba140 yield 1307600100012 DETECTOR (NAICR) For determination of Ba140 yield through the 1307600100013 140La gamma activities 1307600100014 SAMPLE The fissile materials were alloyed with superpure 1307600100015 aluminum. The alloy samples were right circular 1307600100016 cylinders 1.50 cm in diameter and 6.0 cm long 1307600100017 sheathed in aluminum alloy. 1307600100018 MONITOR Isotopic content of U-235 sample at the beginning of 1307600100019 the irradiation in number of atoms per isotope 1307600100020 (x10-20): 235U-6.587, 234U-0.075, 236U-0.012, 1307600100021 238U-0.415. 1307600100022 ((MONIT1)92-U-235(N,F)53-I-135,CUM,FY,,SPA) 1307600100023 ((MONIT2)92-U-235(N,F)56-BA-140,CUM,FY,,SPA) 1307600100024 ERR-ANALYS (DATA-ERR) Uncertainty on 140Ba is standard deviation 1307600100025 of 38 measurements. Source of 135I data uncertainty 1307600100026 not given, probably standard deviation. 1307600100027 (ERR-1,,1.) Error introduced by flux uncertainty 1307600100028 DECAY-DATA (53-I-135,6.7HR) 1307600100029 (56-BA-140,12.8D) 1307600100030 STATUS (TABLE) Tab.VI (p.1047) in Can.J.Phys.,43,1036,1965. 1307600100031 HISTORY (19890515C) VM 1307600100032 (20200820A) OG. Converted to lower case and 4-digit 1307600100033 year. STATUS, METHOD, MONITOR, ERR-ANALYS updated. 1307600100034 SAMPLE added. 1307600100035 ENDBIB 33 0 1307600100036 COMMON 3 3 1307600100037 EN-DUMMY MONIT1 MONIT2 1307600100038 EV PC/FIS PC/FIS 1307600100039 0.0253 6.25 6.25 1307600100040 ENDCOMMON 3 0 1307600100041 ENDSUBENT 40 0 1307600199999 SUBENT 13076002 20200820 14731307600200001 BIB 2 4 1307600200002 REACTION (92-U-233(N,F)ELEM/MASS,CUM,FY,,SPA) 1307600200003 SAMPLE Isotopic content of U-233 sample at the beginning of 1307600200004 the irradiation in number of atoms per isotope 1307600200005 (x10-20): 233U-5.907, 234U-0.0931, 238U-0.0095. 1307600200006 ENDBIB 4 0 1307600200007 NOCOMMON 0 0 1307600200008 DATA 4 2 1307600200009 ELEMENT MASS DATA DATA-ERR 1307600200010 NO-DIM NO-DIM PC/FIS PC/FIS 1307600200011 53. 135. 4.78 0.07 1307600200012 56. 140. 6.25 0.06 1307600200013 ENDDATA 4 0 1307600200014 ENDSUBENT 13 0 1307600299999 SUBENT 13076003 20200820 14731307600300001 BIB 2 4 1307600300002 REACTION (94-PU-239(N,F)ELEM/MASS,CUM,FY,,SPA) 1307600300003 SAMPLE Isotopic content of Pu-239 sample at the beginning of 1307600300004 the irradiation in number of atoms per isotope 1307600300005 (x10-20): 239Pu-4.073, 240Pu-0.0746, 241Pu-0.0022. 1307600300006 ENDBIB 4 0 1307600300007 NOCOMMON 0 0 1307600300008 DATA 4 2 1307600300009 ELEMENT MASS DATA DATA-ERR 1307600300010 NO-DIM NO-DIM PC/FIS PC/FIS 1307600300011 53. 135. 5.97 0.09 1307600300012 56. 140. 5.16 0.07 1307600300013 ENDDATA 4 0 1307600300014 ENDSUBENT 13 0 1307600399999 SUBENT 13076004 20200820 14731307600400001 BIB 3 6 1307600400002 REACTION (94-PU-241(N,F)ELEM/MASS,CUM,FY,,SPA) 1307600400003 SAMPLE Isotopic content of Pu-241 sample at the beginning of 1307600400004 the irradiation in number of atoms per isotope 1307600400005 (x10-20): 241Pu-1.585, 239Pu-0.188, 240Pu-0.232, 1307600400006 242Pu-0.014. 1307600400007 CORRECTION Corrected for the 239Pu present in the sample. 1307600400008 ENDBIB 6 0 1307600400009 NOCOMMON 0 0 1307600400010 DATA 4 2 1307600400011 ELEMENT MASS DATA DATA-ERR 1307600400012 NO-DIM NO-DIM PC/FIS PC/FIS 1307600400013 53. 135. 7.53 0.19 1307600400014 56. 140. 6.21 0.14 1307600400015 ENDDATA 4 0 1307600400016 ENDSUBENT 15 0 1307600499999 ENDENTRY 4 0 1307699999999