ENTRY 41706 20201026 41904170600000001 SUBENT 41706001 20201026 41904170600100001 BIB 12 22 4170600100002 TITLE Rare-earth isotope yields in the fission of Pu239 by 4170600100003 pile neutrons 4170600100004 AUTHOR (L.M.Krizhansky,Ya.Maly,A.N.Murin,B.K.Preobrazhensky) 4170600100005 REFERENCE (J,SJA,2,334,1957) Engl.translation of AE,2,276,1957 4170600100006 (J,JNE,6,260,1958) Engl.translation of AE,2,276,1957 4170600100007 (J,AE,2,276,1957) 4170600100008 INSTITUTE (4RUSITE) 4170600100009 FACILITY (REAC,4RUSITE) 4170600100010 INC-SOURCE (REAC) 4170600100011 INC-SPECT Pile neutrons. Total flux 2.7E+20 neutron/cm2 . 4170600100012 Energy is not mentioned in the article, 4170600100013 supposed by compiler as 0.001 eV- 15 MeV. 4170600100014 SAMPLE 57.4 g mass 4170600100015 DETECTOR No information 4170600100016 METHOD (MASSP,RELFY) Direct mass-spectrographic analysis of 4170600100017 the precipitate of a plutonium nitrate solution and 4170600100018 its fission products, by changing (from element to 4170600100019 element) the temperature of the source filaments 4170600100020 gradually. 4170600100021 REL-REF (N,13429001,D.M.Wiles+,J,CJC,34,227,1956) 4170600100022 Data (at incident thermal spectrum) used for comparison4170600100023 HISTORY (20201026C) M.M. 4170600100024 ENDBIB 22 0 4170600100025 COMMON 2 3 4170600100026 EN-MIN EN-MAX 4170600100027 EV MEV 4170600100028 0.001 15. 4170600100029 ENDCOMMON 3 0 4170600100030 ENDSUBENT 29 0 4170600199999 SUBENT 41706002 20201026 41904170600200001 BIB 5 8 4170600200002 REACTION ((94-PU-239(N,F)ELEM/MASS,CUM,FY,,SPA)/ 4170600200003 (94-PU-239(N,F)58-CE-142,CUM,FY,,SPA)) 4170600200004 FLAG (1.) Corrected for decay of Ce-144, burnup of Pu-239 4170600200005 was taken into account. 4170600200006 DECAY-DATA (58-CE-144,282.D) 4170600200007 ERR-ANALYS (DATA-ERR) Type of uncertainty is not explained in the 4170600200008 article. 4170600200009 STATUS (TABLE) Table 1 of Soviet Atomic Energy,v.2,p.334,1957 4170600200010 ENDBIB 8 0 4170600200011 COMMON 1 3 4170600200012 ELEMENT 4170600200013 NO-DIM 4170600200014 58. 4170600200015 ENDCOMMON 3 0 4170600200016 DATA 4 2 4170600200017 MASS DATA DATA-ERR FLAG 4170600200018 NO-DIM NO-DIM NO-DIM NO-DIM 4170600200019 140. 0.85 0.01 4170600200020 144. 0.79 0.04 1. 4170600200021 ENDDATA 4 0 4170600200022 ENDSUBENT 21 0 4170600299999 SUBENT 41706003 20201026 41904170600300001 BIB 7 12 4170600300002 REACTION ((94-PU-239(N,F)ELEM/MASS,CUM,FY,,SPA)/ 4170600300003 (94-PU-239(N,F)60-ND-143,CUM,FY,,SPA)) 4170600300004 CORRECTION For reaction Nd-143(n,g)Nd-144 taking CS value 334 b. 4170600300005 ASSUMED (ASSUM,60-ND-143(N,G)60-ND-144,,SIG) 4170600300006 FLAG (1.) Corrected for decay of Ce-144, burnup of Pu-239 4170600300007 was taken into account. 4170600300008 (2.) Correction for contamination due to natural Sm148 4170600300009 was done, without correction this ratio 0.370+-0.005. 4170600300010 DECAY-DATA (58-CE-144,282.D) 4170600300011 ERR-ANALYS (DATA-ERR) Type of uncertainty is not explained in the 4170600300012 article. 4170600300013 STATUS (TABLE) Table 1 of Soviet Atomic Energy,v.2,p.334,1957 4170600300014 ENDBIB 12 0 4170600300015 COMMON 2 3 4170600300016 ELEMENT ASSUM 4170600300017 NO-DIM B 4170600300018 60. 334. 4170600300019 ENDCOMMON 3 0 4170600300020 DATA 4 5 4170600300021 MASS DATA DATA-ERR FLAG 4170600300022 NO-DIM NO-DIM NO-DIM NO-DIM 4170600300023 144. 0.840 0.006 1. 4170600300024 145. 0.666 0.002 4170600300025 146. 0.557 0.002 4170600300026 148. 0.362 0.005 2. 4170600300027 150. 0.220 0.002 4170600300028 ENDDATA 7 0 4170600300029 ENDSUBENT 28 0 4170600399999 SUBENT 41706004 20201026 41904170600400001 BIB 6 14 4170600400002 REACTION 1((94-PU-239(N,F)ELEM/MASS,CUM,FY,,SPA)/ 4170600400003 (94-PU-239(N,F)62-SM-149,CUM,FY,,SPA)) 4170600400004 After correction 4170600400005 2((94-PU-239(N,F)ELEM/MASS,CUM,FY,,SPA/RAW)/ 4170600400006 (94-PU-239(N,F)62-SM-149,CUM,FY,,SPA)) 4170600400007 Before correction 4170600400008 FLAG (1.) Corrected for decay of Pm-147, burnup of Pu-239 4170600400009 during irradiation was taken into account. 4170600400010 (2.) Mass 148 due to contamination by natural Sm. 4170600400011 DECAY-DATA (61-PM-147,2.52YR) 4170600400012 CORRECTION1 For contamination by natural samarium 4170600400013 ERR-ANALYS (DATA-ERR) Type of uncertainty is not explained in the 4170600400014 article. 4170600400015 STATUS (TABLE) Table 2 of Soviet Atomic Energy,v.2,p.334,1957 4170600400016 ENDBIB 14 0 4170600400017 COMMON 1 3 4170600400018 ELEMENT 4170600400019 NO-DIM 4170600400020 58. 4170600400021 ENDCOMMON 3 0 4170600400022 DATA 6 5 4170600400023 MASS DATA 1DATA-ERR 1DATA 2DATA-ERR 2FLAG 4170600400024 NO-DIM NO-DIM NO-DIM NO-DIM NO-DIM NO-DIM 4170600400025 147. 1.52 0.04 1.54 0.04 1. 4170600400026 148. 0.034 0.001 2. 4170600400027 151. 0.632 0.01 0.602 0.02 4170600400028 152. 0.414 0.01 0.465 0.02 4170600400029 154. 0.160 0.003 0.220 0.003 4170600400030 ENDDATA 7 0 4170600400031 ENDSUBENT 30 0 4170600499999 SUBENT 41706005 20201026 41904170600500001 BIB 7 10 4170600500002 REACTION ((94-PU-239(N,F)ELEM/MASS,CUM,FY,,SPA)/ 4170600500003 (94-PU-239(N,F)55-CS-137,CUM,FY,,SPA)) 4170600500004 FLAG (1.) Corrected for the reaction Xe-135(N,G)Xe-136, CS 4170600500005 value 3.5E+6 barn 4170600500006 ASSUMED (ASSUM,54-XE-135(N,G)54-XE-136,,SIG) 4170600500007 DECAY-DATA (55-CS-137,26.6YR) 4170600500008 CORRECTION For decay of Cs-137. 4170600500009 ERR-ANALYS (DATA-ERR) Type of uncertainty is not explained in the 4170600500010 article. 4170600500011 STATUS (TABLE) Table 3 of Soviet Atomic Energy,v.2,p.334,1957 4170600500012 ENDBIB 10 0 4170600500013 COMMON 2 3 4170600500014 ELEMENT ASSUM 4170600500015 NO-DIM B 4170600500016 58. 3.5E+6 4170600500017 ENDCOMMON 3 0 4170600500018 DATA 4 2 4170600500019 MASS DATA DATA-ERR FLAG 4170600500020 NO-DIM NO-DIM NO-DIM NO-DIM 4170600500021 135. 1.06 0.10 1. 4170600500022 133. 0.446 0.002 4170600500023 ENDDATA 4 0 4170600500024 ENDSUBENT 23 0 4170600599999 ENDENTRY 5 0 4170699999999