ENTRY 41080 20200902 41894108000000001 SUBENT 41080001 20200902 41894108000100001 BIB 9 18 4108000100002 INSTITUTE (4RUSRI) 4108000100003 REFERENCE (J,AE,31,99,1971) Issue 2. 4108000100004 (J,SJA,31,804,1971) English translation 4108000100005 AUTHOR (A.V.Sorokina,N.V.Skovorodkin,S.S.Bugorkov, 4108000100006 A.S.Krivokhatskii,K.A.Petrzhak) 4108000100007 TITLE Radiochemical determination of the absolute yields of 4108000100008 fragments of the fission of Pu241 and Pu239 by slow 4108000100009 neutrons 4108000100010 FACILITY (REAC,4RUSFTI) 4108000100011 INC-SPECT Thermal. 4108000100012 Neutron flux with Cd ratio 4.26 ( for gold). 4108000100013 METHOD (CHSEP) 4108000100014 STATUS (RIDER) RIDER's reference is 71SOR1 4108000100015 HISTORY (19911116T) Converted from RIDER ENTRY 90487 4108000100016 (20200902A) M.M. Upper -> lower case correction. 4108000100017 Dates were corrected for 4-digits year. 4108000100018 STATUS information was added. 4108000100019 Relative data were added in Subents 004,006. 4108000100020 ENDBIB 18 0 4108000100021 COMMON 1 3 4108000100022 EN-DUMMY 4108000100023 EV 4108000100024 0.0253 4108000100025 ENDCOMMON 3 0 4108000100026 ENDSUBENT 25 0 4108000199999 SUBENT 41080002 20200902 41894108000200001 BIB 4 16 4108000200002 REACTION (94-PU-239(N,F)ELEM/MASS,CUM,FY,,MXW) 4108000200003 DETECTOR (TRD) Mica detectors to measure number of fissions. 4108000200004 Discs of 20-24 mm diameter. 4108000200005 Mica detectors with applied Pu were packed together 4108000200006 with the working targets into Al foil beakers. 4108000200007 The efficiency 97.7 % (mean square error of 10 4108000200008 measurements 0.62 %) was determined by Cf-252 4108000200009 spontaneous fission sources. 4108000200010 (D4PI) Propane-flow 4PI beta counter to measure 4108000200011 activity 4108000200012 ERR-ANALYS (ERR-1,2.,3.) Mean square error of number of fissions, 4108000200013 including dilution and application of the solutions, 4108000200014 count of number of tracks, efficiency of mica. 4108000200015 Error of chemical yields for Ce - 2-3%. 4108000200016 (DATA-ERR) Mean square error of four to ten experiments4108000200017 STATUS (TABLE) Table 1 of Sov.At.Energy,v.31,p.804,1971 4108000200018 ENDBIB 16 0 4108000200019 NOCOMMON 0 0 4108000200020 DATA 4 3 4108000200021 ELEMENT MASS DATA DATA-ERR 4108000200022 NO-DIM NO-DIM PC/FIS PC/FIS 4108000200023 42. 99. 6.17 .19 4108000200024 58. 141. 5.18 .13 4108000200025 58. 144. 3.85 .09 4108000200026 ENDDATA 5 0 4108000200027 ENDSUBENT 26 0 4108000299999 SUBENT 41080003 20200902 41894108000300001 BIB 5 8 4108000300002 REACTION (94-PU-239(N,F)ELEM/MASS,CUM,FY,,MXW) 4108000300003 MONITOR (94-PU-239(N,F)59-PR-143,CUM,FY,,MXW) 4108000300004 COMMENT Of compiler. In Sov.At.Energy,v.31,p.804,1971 it is 4108000300005 not mentioned that Ce-143 yield was determined 4108000300006 relative to Pr-143 yield. 4108000300007 ERR-ANALYS (DATA-ERR) Type of uncertainty is not explained in the 4108000300008 article 4108000300009 STATUS (TABLE) Table 2 of Sov.At.Energy,v.31,p.804,1971 4108000300010 ENDBIB 8 0 4108000300011 NOCOMMON 0 0 4108000300012 DATA 5 1 4108000300013 ELEMENT MASS DATA DATA-ERR MONIT 4108000300014 NO-DIM NO-DIM PC/FIS PC/FIS PC/FIS 4108000300015 58. 143. 3.99 .21 4.27 4108000300016 ENDDATA 3 0 4108000300017 ENDSUBENT 16 0 4108000399999 SUBENT 41080004 20200902 41894108000400001 BIB 6 18 4108000400002 REACTION 1(94-PU-239(N,F)ELEM/MASS,CUM,FY,,MXW) 4108000400003 2((94-PU-239(N,F)ELEM/MASS,CUM,FY,,MXW)/ 4108000400004 (94-PU-239(N,F)58-CE-144,CUM,FY,,MXW)) 4108000400005 MONITOR (94-PU-239(N,F)58-CE-144,CUM,FY,,MXW) 4108000400006 MONIT-REF (41080003,A.V.Sorokina+,J,SJA,31,804,1971) 4108000400007 measured at this experiment. 4108000400008 ERR-ANALYS (DATA-ERR) Type of uncertainty is not explained in the 4108000400009 article 4108000400010 STATUS (TABLE) Table 2 of Sov.At.Energy,v.31,p.804,1971 4108000400011 2(DEP,41078002) Relative data in 41078.002 with 4108000400012 uncertainties ( data without uncertainties, 4108000400013 in 2nd column of Table 2 of 4108000400014 Sov.At.Energy,v.31,p.804,1971; for Sm-153, Eu-156 and 4108000400015 Sm-156 the data were recalculated using Sm-156 4108000400016 HL=9.4+-0.1 hr) 4108000400017 COMMENT Of compiler. 4108000400018 Data for Ce-143 - see Subent 003 and comment in 4108000400019 Subent 003 4108000400020 ENDBIB 18 0 4108000400021 COMMON 1 3 4108000400022 MONIT 4108000400023 PC/FIS 4108000400024 3.85 4108000400025 ENDCOMMON 3 0 4108000400026 DATA 6 17 4108000400027 ELEMENT MASS ISOMER DATA 1DATA-ERR 1DATA 24108000400028 NO-DIM NO-DIM NO-DIM PC/FIS PC/FIS NO-DIM 4108000400029 39. 91. 0. 2.46 0.08 0.639 4108000400030 57. 141. 4.70 .26 1.22 4108000400031 58. 141. 5.09 .14 1.32 4108000400032 59. 143. 4.27 .17 1.11 4108000400033 59. 145. 3.54 .16 0.919 4108000400034 60. 147. 2.13 .09 0.553 4108000400035 60. 149. 1.14 .08 0.296 4108000400036 61. 147. 2.14 .13 0.555 4108000400037 61. 149. 1.30 .05 0.338 4108000400038 61. 151. 0.741 .036 0.192 4108000400039 62. 153. 0.370 .015 0.0960 4108000400040 62. 156. 0.121 .005 0.0313 4108000400041 63. 155. 0.171 .019 0.0443 4108000400042 63. 156. 0.124 .005 0.0322 4108000400043 63. 157. 0.0764 .0037 0.0198 4108000400044 64. 159. 0.0216 .0007 0.00561 4108000400045 65. 161. 0.00515 .00020 0.00134 4108000400046 ENDDATA 19 0 4108000400047 ENDSUBENT 46 0 4108000499999 SUBENT 41080005 20200902 41894108000500001 BIB 4 15 4108000500002 REACTION (94-PU-241(N,F)ELEM/MASS,CUM,FY,,MXW) 4108000500003 DETECTOR (TRD) Mica detectors to measure number of fissions. 4108000500004 Discs of 20-24 mm diameter. 4108000500005 Mica detectors with applied Pu were packed together 4108000500006 with the working targets into Al foil beakers. 4108000500007 The efficiency 97.7 % (mean square error of 10 4108000500008 measurements 0.62 %) was determined by Cf-252 4108000500009 spontaneous fission sources. 4108000500010 (D4PI) Propane-flow 4PI beta counter to measure 4108000500011 activity 4108000500012 ERR-ANALYS (ERR-1,2.,3.) Mean square error of number of fissions, 4108000500013 including dilution and application of the solutions, 4108000500014 count of number of tracks, efficiency of mica. 4108000500015 (DATA-ERR) Mean square error of four to ten experiments4108000500016 STATUS (TABLE) TAble 1 of Sov.At.Energy,v.31,p.804,1971 4108000500017 ENDBIB 15 0 4108000500018 NOCOMMON 0 0 4108000500019 DATA 4 4 4108000500020 ELEMENT MASS DATA DATA-ERR 4108000500021 NO-DIM NO-DIM PC/FIS PC/FIS 4108000500022 42. 99. 6.15 .16 4108000500023 56. 140. 5.64 .11 4108000500024 58. 141. 4.81 .14 4108000500025 58. 144. 4.08 .14 4108000500026 ENDDATA 6 0 4108000500027 ENDSUBENT 26 0 4108000599999 SUBENT 41080006 20200902 41894108000600001 BIB 7 19 4108000600002 REACTION 1(94-PU-241(N,F)ELEM/MASS,CUM,FY,,MXW) 4108000600003 2((94-PU-241(N,F)ELEM/MASS,CUM,FY,,MXW)/ 4108000600004 (94-PU-241(N,F)58-CE-144,CUM,FY,,MXW)) 4108000600005 MONITOR (94-PU-241(N,F)58-CE-144,CUM,FY,,MXW) 4108000600006 MONIT-REF (41080005,A.V.Sorokina+,J,SJA,31,804,1971) 4108000600007 measured at this experiment. 4108000600008 ERR-ANALYS (DATA-ERR) Type of uncertainty is not explained in the 4108000600009 article 4108000600010 STATUS (TABLE) Table 2 of Sov.At.Energy,v.31,p.804,1971 4108000600011 2(DEP,41078003) Relative data in 41078.003 with 4108000600012 uncertainties ( data without uncertainties, 4108000600013 in 4th column of Table 2 of 4108000600014 Sov.At.Energy,v.31,p.804,1971; for Sm-153, Eu-156 and 4108000600015 Sm-156 the data were recalculated using Sm-156 4108000600016 HL=9.4+-0.1 hr) 4108000600017 COMMENT Of compiler. 4108000600018 Data for Pm-147 - see Subent 007 and comment in 4108000600019 Subent 007 4108000600020 HISTORY (20200902A) M.M. DATA 2 were added. 4108000600021 ENDBIB 19 0 4108000600022 COMMON 1 3 4108000600023 MONIT 4108000600024 PC/FIS 4108000600025 4.08 4108000600026 ENDCOMMON 3 0 4108000600027 DATA 6 17 4108000600028 ELEMENT MASS ISOMER DATA 1DATA-ERR 1DATA 24108000600029 NO-DIM NO-DIM NO-DIM PC/FIS PC/FIS NO-DIM 4108000600030 39. 91. 0. 1.67 0.06 0.409 4108000600031 57. 141. 4.50 .17 1.10 4108000600032 58. 141. 4.78 .18 1.17 4108000600033 58. 143. 3.88 .16 0.952 4108000600034 59. 143. 4.31 .15 1.06 4108000600035 59. 145. 3.01 .14 0.739 4108000600036 60. 147. 2.34 .09 0.574 4108000600037 60. 149. 1.47 .06 0.361 4108000600038 61. 149. 1.52 .08 0.373 4108000600039 61. 151. 0.846 .050 0.207 4108000600040 62. 153. 0.522 .022 0.128 4108000600041 62. 156. 0.163 .007 0.0401 4108000600042 63. 155. 0.231 .022 0.0568 4108000600043 63. 156. 0.170 .006 0.0417 4108000600044 63. 157. 0.130 .006 0.0319 4108000600045 64. 159. 0.0462 .0018 0.0113 4108000600046 65. 161. .00815 .00032 0.00200 4108000600047 ENDDATA 19 0 4108000600048 ENDSUBENT 47 0 4108000699999 SUBENT 41080007 20200902 41894108000700001 BIB 5 8 4108000700002 REACTION (94-PU-241(N,F)ELEM/MASS,CUM,FY,,MXW) 4108000700003 MONITOR (94-PU-241(N,F)61-PM-149,CUM,FY,,MXW) 4108000700004 COMMENT Of compiler. In Sov.At.Energy,v.31,p.804,1971 it's 4108000700005 not mentioned that Pm-147 yield was determined 4108000700006 relative to Pm-149 yield. 4108000700007 ERR-ANALYS (DATA-ERR) Type of uncertainty is not explained in the 4108000700008 article 4108000700009 STATUS (TABLE) Table 2 of Sov.At.Energy,v.31,p.804,1971 4108000700010 ENDBIB 8 0 4108000700011 NOCOMMON 0 0 4108000700012 DATA 5 1 4108000700013 ELEMENT MASS DATA DATA-ERR MONIT 4108000700014 NO-DIM NO-DIM PC/FIS PC/FIS PC/FIS 4108000700015 61. 147. 2.35 .12 1.52 4108000700016 ENDDATA 3 0 4108000700017 ENDSUBENT 16 0 4108000799999 ENDENTRY 7 0 4108099999999