ENTRY 12010 20220519 1201000000001 SUBENT 12010001 20220519 20230412 1201000100001 BIB 11 33 1201000100002 TITLE Mass spectrometric studies of pile poisons and their 1201000100003 yields in the fission of uranium-233, uranium-235, and 1201000100004 plutonium-239 1201000100005 AUTHOR (D.Bidinosti,H.Fickel,R.Tomlinson) 1201000100006 REFERENCE (B,PR.NUC.EN.,3,(1),261,1959) Final publication. 1201000100007 (C,58GENEVA,15,459(201),1958) Initial results. 1201000100008 INSTITUTE (1CANMCM) 1201000100009 FACILITY (REAC,1CANCRC) NRX, Chalk River reactor. 1201000100010 DETECTOR (D4PI,IOCH) Well-type ionization chamber. 1201000100011 METHOD (ASEP,COINC) Sample of metal and oxide 238U and 15% 1201000100012 233U were irradiated at various fluxes and 1201000100013 irradiation times in Chalk River reactor. Associated 1201000100014 with samples were one or more 0.127 mm cobalt wires 1201000100015 weighing 1.148 mg. The cobalt standard was calibrated 1201000100016 by coincidence and 4pi counting techniques. The 1201000100017 thermal fluxes were calculated from the observed 1201000100018 activity after corrections assuming a value of 36.5 1201000100019 barns for 2,200 m/sec cross section of 59Co. The mass 1201000100020 spectrometry was carried out using a Nier-type 1201000100021 spectrometer of 25 cm radius with an all metal tube. 1201000100022 MONITOR (27-CO-59(N,G)27-CO-60,,SIG) 1201000100023 DECAY-MON (27-CO-60-G,5.28YR) 1201000100024 CORRECTION Corrections for decay of cobalt standard were less 1201000100025 than 10%, the self-shielding of cobalt wire was 1201000100026 estimated at 2.3%, contribution of activation by 1201000100027 epithermal neutrons was a compensating factor from 1201000100028 about 1% to to about 2.8%. 1201000100029 HISTORY (19760802T) Translated from SCISRS. 1201000100030 (19830802A) Converted to reaction formalism. 1201000100031 (20061107A) DR format updated. 1201000100032 (20220519A) BP: Updated entry, FACILITY, STATUS. 1201000100033 Added second reference, METHOD, ERR-ANALYS, 1201000100034 DECAY-MON, CORRECTION, subentries 7-8. 1201000100035 ENDBIB 33 0 1201000100036 COMMON 1 3 1201000100037 MONIT 1201000100038 B 1201000100039 36.5 1201000100040 ENDCOMMON 3 0 1201000100041 ENDSUBENT 40 0 1201000199999 SUBENT 12010002 20220519 20230412 1201000200001 BIB 2 2 1201000200002 REACTION (55-CS-133(N,ABS),,RI) 1201000200003 STATUS (TABLE) page 265 of final reference. 1201000200004 ENDBIB 2 0 1201000200005 NOCOMMON 0 0 1201000200006 DATA 2 1 1201000200007 EN-MIN DATA 1201000200008 MEV B 1201000200009 5.E-07 3.20E+02 1201000200010 ENDDATA 3 0 1201000200011 ENDSUBENT 10 0 1201000299999 SUBENT 12010003 20220519 20230412 1201000300001 BIB 3 3 1201000300002 REACTION (55-CS-133(N,G)55-CS-134,,SIG,,SPA) 1201000300003 INC-SPECT Reactor spectrum 1201000300004 STATUS (TABLE) Table 1, page 264 of final reference. 1201000300005 ENDBIB 3 0 1201000300006 NOCOMMON 0 0 1201000300007 DATA 2 1 1201000300008 EN-DUMMY DATA 1201000300009 EV B 1201000300010 0.0253 39.9 1201000300011 ENDDATA 3 0 1201000300012 ENDSUBENT 11 0 1201000399999 SUBENT 12010004 20220519 20230412 1201000400001 BIB 4 4 1201000400002 REACTION (61-PM-147(N,G)61-PM-148,,SIG,,SPA) 1201000400003 INC-SPECT Reactor spectrum 1201000400004 ERR-ANALYS (DATA-ERR) No details on sources of uncertainties. 1201000400005 STATUS (TABLE) Table 2, page 265 of final reference. 1201000400006 ENDBIB 4 0 1201000400007 NOCOMMON 0 0 1201000400008 DATA 3 1 1201000400009 EN-DUMMY DATA DATA-ERR 1201000400010 MEV B B 1201000400011 2.53E-08 2.00E+02 5.0E+01 1201000400012 ENDDATA 3 0 1201000400013 ENDSUBENT 12 0 1201000499999 SUBENT 12010005 20220519 20230412 1201000500001 BIB 4 4 1201000500002 REACTION (62-SM-149(N,ABS),,SIG,,MXW) 1201000500003 INC-SPECT Thermal spectrum. 1201000500004 ANALYSIS Average value of 42,600 and 42,200 barns. 1201000500005 STATUS (TABLE) page 266 of final reference. 1201000500006 ENDBIB 4 0 1201000500007 NOCOMMON 0 0 1201000500008 DATA 2 1 1201000500009 EN-DUMMY DATA 1201000500010 MEV B 1201000500011 2.53E-08 4.2400E+04 1201000500012 ENDDATA 3 0 1201000500013 ENDSUBENT 12 0 1201000599999 SUBENT 12010006 20220519 20230412 1201000600001 BIB 4 4 1201000600002 REACTION (62-SM-151(N,ABS),,SIG,,SPA) 1201000600003 INC-SPECT Reactor spectrum 1201000600004 ERR-ANALYS (DATA-ERR) No details on sources of uncertainties. 1201000600005 STATUS (TABLE) Table 4, page 267 of final reference. 1201000600006 ENDBIB 4 0 1201000600007 NOCOMMON 0 0 1201000600008 DATA 3 1 1201000600009 EN-DUMMY DATA DATA-ERR 1201000600010 EV B B 1201000600011 0.0253 12.8E+03 0.4E+03 1201000600012 ENDDATA 3 0 1201000600013 ENDSUBENT 12 0 1201000699999 SUBENT 12010007 20220520 20230412 1201000700001 BIB 6 6 1201000700002 REACTION (92-U-233(N,F)ELEM/MASS,CUM,FY,,SPA) 1201000700003 INC-SPECT Reactor spectrum 1201000700004 METHOD Isotope-dilution method. 1201000700005 ERR-ANALYS (DATA-ERR) Absolute accuracy. 1201000700006 STATUS (TABLE) Table 5, page 267 of final reference. 1201000700007 HISTORY (20220519C) BP 1201000700008 ENDBIB 6 0 1201000700009 COMMON 2 3 1201000700010 EN-DUMMY DATA-ERR 1201000700011 EV PER-CENT 1201000700012 0.0253 3.0 1201000700013 ENDCOMMON 3 0 1201000700014 DATA 3 6 1201000700015 ELEMENT MASS DATA 1201000700016 NO-DIM NO-DIM PC/FIS 1201000700017 54.0 135.0 5.6 1201000700018 55.0 133.0 6.0 1201000700019 60.0 143.0 6.45 1201000700020 61.0 147.0 2.1 1201000700021 62.0 149.0 0.8 1201000700022 62.0 151.0 0.3 1201000700023 ENDDATA 8 0 1201000700024 ENDSUBENT 23 0 1201000799999 SUBENT 12010008 20220520 20230412 1201000800001 BIB 6 6 1201000800002 REACTION (94-PU-239(N,F)ELEM/MASS,CUM,FY,,SPA) 1201000800003 INC-SPECT Reactor spectrum 1201000800004 METHOD Isotope-dilution method. 1201000800005 ERR-ANALYS (DATA-ERR) Absolute accuracy. 1201000800006 STATUS (TABLE) Table 5, page 267 of final reference. 1201000800007 HISTORY (20220519C) BP 1201000800008 ENDBIB 6 0 1201000800009 COMMON 2 3 1201000800010 EN-DUMMY DATA-ERR 1201000800011 EV PER-CENT 1201000800012 0.0253 3.0 1201000800013 ENDCOMMON 3 0 1201000800014 DATA 3 6 1201000800015 ELEMENT MASS DATA 1201000800016 NO-DIM NO-DIM PC/FIS 1201000800017 54.0 135.0 6.92 1201000800018 55.0 133.0 7.27 1201000800019 60.0 143.0 4.49 1201000800020 61.0 147.0 2.07 1201000800021 62.0 149.0 1.32 1201000800022 62.0 151.0 0.79 1201000800023 ENDDATA 8 0 1201000800024 ENDSUBENT 23 0 1201000899999 ENDENTRY 8 0 1201099999999