ENTRY 41717 20201202 41914171700000001 SUBENT 41717001 20201202 41914171700100001 BIB 11 25 4171700100002 TITLE Yields of Ru103 and Ru106 on fission of U235 and Pu2394171700100003 by fast neutrons 4171700100004 AUTHOR (M.A.Bak,S.S.Bugorkov,T.A.Il'inskaya,Yu.G.Petrov, 4171700100005 K.A.Petrzhak,V.M.Solntsev,A.V.Sorokina,V.N.Ushatskii) 4171700100006 REFERENCE (J,AE,6,577,1959) Issue 5. 4171700100007 (J,SJA,6,429,1960) Engl.translation of 4171700100008 At.Energy,v.6,p.577,1959 4171700100009 INSTITUTE (4RUSRI) 4171700100010 FACILITY (REAC,4RUSRI) Heavy water reactor of AS USSR. 4171700100011 INC-SOURCE (REAC) Central channel. 4171700100012 INC-SPECT Fast neutrons. Ratio of number of neutrons with 4171700100013 energy > 1.5 MeV to number of neutrons with 4171700100014 energy > 2.5 MeV - 4+-1.5. 4171700100015 METHOD (CHSEP) Irradiation time 52.2 hr. 4171700100016 DETECTOR (D4PI) Beta spectra were measured using Al filters of 4171700100017 different thicknesses - 3 mg/cm2, 60 mg/cm2. 4171700100018 (SOLST) Mica detectors for Mo-99 absolute activity. 4171700100019 DECAY-DATA (44-RU-103,39.8D,B,220.,0.983, 4171700100020 B,105.,0.07, 4171700100021 B,390./455.,0.007, 4171700100022 B,702.,0.03) 4171700100023 Maximal energies of beta are given, 4171700100024 (44-RU-106,1.YR,B,900.) Border value of Energy of 4171700100025 most soft component of beta spectrum. 4171700100026 HISTORY (20201202C) M.M. 4171700100027 ENDBIB 25 0 4171700100028 COMMON 1 3 4171700100029 EN-DUMMY 4171700100030 MEV 4171700100031 1. 4171700100032 ENDCOMMON 3 0 4171700100033 ENDSUBENT 32 0 4171700199999 SUBENT 41717002 20201202 41914171700200001 BIB 3 9 4171700200002 REACTION ((92-U-235(N,F)ELEM/MASS,CUM,FY,,SPA)/ 4171700200003 (92-U-235(N,F)42-MO-99,CUM,FY,,SPA)) 4171700200004 SAMPLE Uranium oxide. U-235 content 90%. 4171700200005 Oxide was pressed in an Al cassette, covered by a Cd 4171700200006 foil of 1 mm thickness and by boron carbide of 4171700200007 1.4 g/cm3 density and 2 cm thickness (to absorb 4171700200008 neutrons of energy < 10 eV). 4171700200009 (92-U-235,ENR=0.95) 4171700200010 STATUS (TABLE) Table of At.Energy,v.6,p.577,1959 4171700200011 ENDBIB 9 0 4171700200012 COMMON 1 3 4171700200013 ELEMENT 4171700200014 NO-DIM 4171700200015 44. 4171700200016 ENDCOMMON 3 0 4171700200017 DATA 2 2 4171700200018 MASS DATA 4171700200019 NO-DIM NO-DIM 4171700200020 103. 0.50 4171700200021 106. 0.111 4171700200022 ENDDATA 4 0 4171700200023 ENDSUBENT 22 0 4171700299999 SUBENT 41717003 20201202 41914171700300001 BIB 6 13 4171700300002 REACTION (92-U-235(N,F)ELEM/MASS,CUM,FY,,SPA) 4171700300003 SAMPLE Uranium oxide. U-235 content 90%. 4171700300004 Oxide was pressed in an Al cassette, covered by a Cd 4171700300005 foil of 1 mm thickness and by boron carbide of 4171700300006 1.4 g/cm3 density and 2 cm thickness (to absorb 4171700300007 neutrons of energy < 10 eV). 4171700300008 (92-U-235,ENR=0.95) 4171700300009 MONITOR (92-U-235(N,F)42-MO-99,CUM,FY,,SPA) 4171700300010 DECAY-MON (42-MO-99,68.3HR) 4171700300011 ERR-ANALYS (DATA-ERR) Type of uncertainty is not explained in the 4171700300012 article. 4171700300013 STATUS (TABLE) Table of At.Energy,v.6,p.577,1959 4171700300014 (DEP,41717002) Measured ratio to Mo-99 4171700300015 ENDBIB 13 0 4171700300016 COMMON 3 3 4171700300017 ELEMENT MONIT MONIT-ERR 4171700300018 NO-DIM PC/FIS PC/FIS 4171700300019 44. 6.4 0.4 4171700300020 ENDCOMMON 3 0 4171700300021 DATA 3 2 4171700300022 MASS DATA DATA-ERR 4171700300023 NO-DIM PC/FIS PC/FIS 4171700300024 103. 3.2 0.6 4171700300025 106. 0.71 0.12 4171700300026 ENDDATA 4 0 4171700300027 ENDSUBENT 26 0 4171700399999 SUBENT 41717004 20201202 41914171700400001 BIB 3 7 4171700400002 REACTION ((94-PU-239(N,F)ELEM/MASS,CUM,FY,,SPA)/ 4171700400003 (94-PU-239(N,F)42-MO-99,CUM,FY,,SPA)) 4171700400004 SAMPLE Pu oxide was pressed in an Al cassette, covered by Cd 4171700400005 foil of 1 mm thickness and by boron carbide of 4171700400006 1.4 g/cm3 density and 2 cm thickness (to absorb 4171700400007 neutrons of energy < 10 eV). 4171700400008 STATUS (TABLE) Table of At.Energy,v.6,p.577,1959 4171700400009 ENDBIB 7 0 4171700400010 COMMON 1 3 4171700400011 ELEMENT 4171700400012 NO-DIM 4171700400013 44. 4171700400014 ENDCOMMON 3 0 4171700400015 DATA 2 2 4171700400016 MASS DATA 4171700400017 NO-DIM NO-DIM 4171700400018 103. 1.03 4171700400019 106. 0.839 4171700400020 ENDDATA 4 0 4171700400021 ENDSUBENT 20 0 4171700499999 SUBENT 41717005 20201202 41914171700500001 BIB 6 11 4171700500002 REACTION (94-PU-239(N,F)ELEM/MASS,CUM,FY,,SPA) 4171700500003 SAMPLE Pu oxide was pressed in an Al cassette, covered by a Cd4171700500004 foil of 1 mm thickness and by boron carbide of 4171700500005 1.4 g/cm3 density and 2 cm thickness (to absorb 4171700500006 neutrons of energy < 10 eV). 4171700500007 MONITOR (94-PU-239(N,F)42-MO-99,CUM,FY,,SPA) 4171700500008 DECAY-MON (42-MO-99,68.3HR) 4171700500009 ERR-ANALYS (DATA-ERR) Type of uncertainty is not explained in the 4171700500010 article. 4171700500011 STATUS (TABLE) Table of At.Energy,v.6,p.577,1959 4171700500012 (DEP,41717002) Measured ratio to Mo-99 4171700500013 ENDBIB 11 0 4171700500014 COMMON 3 3 4171700500015 ELEMENT MONIT MONIT-ERR 4171700500016 NO-DIM PC/FIS PC/FIS 4171700500017 44. 5.5 0.4 4171700500018 ENDCOMMON 3 0 4171700500019 DATA 3 2 4171700500020 MASS DATA DATA-ERR 4171700500021 NO-DIM PC/FIS PC/FIS 4171700500022 103. 5.7 1.0 4171700500023 106. 4.6 0.8 4171700500024 ENDDATA 4 0 4171700500025 ENDSUBENT 24 0 4171700599999 ENDENTRY 5 0 4171799999999