ENTRY 41070 20220325 42064107000000001 SUBENT 41070001 20220325 42064107000100001 BIB 11 36 4107000100002 TITLE Fragment yield in the fission of 233U and 239Pu 4107000100003 by fast neutrons 4107000100004 AUTHOR (E.K.Bonyushkan,Yu.S.Zamyatnin,V.V.Spektor, 4107000100005 V.V.Rachev,V.R.Negina,V.N.Zamyatnina) 4107000100006 Bonyushkan (in J,SJA) = Bonyushkin (in J,AE) 4107000100007 REFERENCE (J,AE,10,13,1961) Issue 1 4107000100008 (J,SJA,10,10,1961) English translation of AE,10,13,19614107000100009 AEC-TR-4682 is another English translation 4107000100010 INSTITUTE (4RUSKUR) 4107000100011 METHOD Irradiation time 7-10 hr, total flux ~5.E+14. 4107000100012 (CHSEP) Isotopic carrier method to separate fragments. 4107000100013 Six - ten independent measurements. 4107000100014 For FF beta-activity measurement the probes were in 4107000100015 the form of PbMoO(4), RuO(2), AgCl, Cd(2)P(2)O(7), Te, 4107000100016 Cs(2)SO(4), BaCrO(4), CeO(2), SrSO(4). 4107000100017 SAMPLE U-233 sample as U(3)O(3) ( see also COMMENT). 4107000100018 Pu-239 sample as metal foils. 4107000100019 Weight 120-150 mg. 4107000100020 COMMENT .Of compiler. U-233 sample is mentioned in the articles4107000100021 as "U3O3". Probably there is an misprint, 4107000100022 U3O3 -> U3O8 (most probable) or UO3 . 4107000100023 .Of authors. 4107000100024 Given yield values include the yields of all the 4107000100025 members of the radioactive chain which precede the 4107000100026 given isotope, and are practically total yields of 4107000100027 isotopes of the given mass ( Te-129m and Cs-136 are the4107000100028 only exceptions). 4107000100029 PART-DET (B) Fragments beta-activity was measured by a counter 4107000100030 calibrated against 4PI-counter. 4107000100031 ERR-ANALYS (DATA-ERR) Type of uncertainty is not explained in the 4107000100032 article. 4107000100033 STATUS (RIDER) Rider's reference 61BON1 4107000100034 HISTORY (19911105T) Converted from Rider's ENTRY 90201 4107000100035 (19920811U) One data line changed to MONITOR in SAN 0044107000100036 (20220325A) Update for current rules and dictionaries. 4107000100037 Subents 006-009 were added. 4107000100038 ENDBIB 36 0 4107000100039 NOCOMMON 0 0 4107000100040 ENDSUBENT 39 0 4107000199999 SUBENT 41070002 20220325 42064107000200001 BIB 7 13 4107000200002 REACTION (94-PU-239(N,F)ELEM/MASS,CUM,FY) 4107000200003 FACILITY (VDG) Accelerating tube. 4107000200004 INC-SOURCE (D-T) ~150 keV deuterons. 4107000200005 MONITOR Normalization of mass distribution curve to 200%. 4107000200006 Symmetrical points in mass curve were obtained by 4107000200007 NU=4.5 prt/fis, NU dependence from mass was not taken 4107000200008 into account. 4107000200009 ASSUMED (ASSUM,94-PU-239(N,F),,NU) 4107000200010 STATUS (TABLE) Table on page 11 of 4107000200011 Sov.Atom.Energy,v.10,p.10,1961 4107000200012 HISTORY (20220325A) EN: 14. MeV -> 14.5 MeV . 4107000200013 "(94-PU-239(N,F)56-BA-140,CUM,FY)" was deleted from 4107000200014 MONITOR. 4107000200015 ENDBIB 13 0 4107000200016 COMMON 2 3 4107000200017 EN ASSUM 4107000200018 MEV PRT/FIS 4107000200019 14.5 4.5 4107000200020 ENDCOMMON 3 0 4107000200021 DATA 5 8 4107000200022 ELEMENT MASS ISOMER DATA DATA-ERR 4107000200023 NO-DIM NO-DIM NO-DIM PC/FIS PC/FIS 4107000200024 42. 99. 4.16 0.40 4107000200025 44. 103. 0. 6.25 0.80 4107000200026 44. 106. 4.16 0.5 4107000200027 47. 111. 0. 1.46 0.14 4107000200028 48. 115. 0. 1.23 0.10 4107000200029 52. 132. 4.58 0.50 4107000200030 55. 137. 5.1 0.8 4107000200031 56. 140. 4.35 0.40 4107000200032 ENDDATA 10 0 4107000200033 ENDSUBENT 32 0 4107000299999 SUBENT 41070003 20220325 42064107000300001 BIB 6 11 4107000300002 REACTION (94-PU-239(N,F)ELEM/MASS,CUM,FY,,FIS) 4107000300003 INC-SOURCE U-235 breeding system without moderator 4107000300004 MONITOR Normalization of mass distribution curve to 200%. 4107000300005 Symmetrical points in mass curve were obtained by 4107000300006 NU=3.2 prt/fis, NU dependence from mass was not taken 4107000300007 into account. 4107000300008 ASSUMED (ASSUM,94-PU-239(N,F),,NU) 4107000300009 STATUS (TABLE) Table on page 11 of 4107000300010 Sov.Atom.Energy,v.10,p.10,1961 4107000300011 HISTORY (20220325A) "(94-PU-239(N,F)56-BA-140,CUM,FY)" was 4107000300012 deleted from MONITOR. 4107000300013 ENDBIB 11 0 4107000300014 COMMON 2 3 4107000300015 EN-DUMMY ASSUM 4107000300016 MEV PRT/FIS 4107000300017 1.0 3.2 4107000300018 ENDCOMMON 3 0 4107000300019 DATA 5 8 4107000300020 ELEMENT MASS ISOMER DATA DATA-ERR 4107000300021 NO-DIM NO-DIM NO-DIM PC/FIS PC/FIS 4107000300022 42. 99. 5.9 0.6 4107000300023 44. 103. 0. 6.0 0.7 4107000300024 44. 106. 4.8 0.6 4107000300025 47. 111. 0. 0.55 0.06 4107000300026 48. 115. 0. 0.09 0.01 4107000300027 52. 129. 1. 0.45 0.09 4107000300028 52. 132. 3.5 1.0 4107000300029 56. 140. 5.4 0.5 4107000300030 ENDDATA 10 0 4107000300031 ENDSUBENT 30 0 4107000399999 SUBENT 41070004 20220325 42064107000400001 BIB 7 18 4107000400002 REACTION (92-U-233(N,F)ELEM/MASS,CUM,FY,,FIS) 4107000400003 INC-SOURCE U-235 breeding system without moderator 4107000400004 DETECTOR (FISCH) Small ionization fission chamber to measure 4107000400005 absolute number of U-233 fission events. 4107000400006 ANALYSIS . Absolute yield of fission fragments were determined 4107000400007 using absolute number of U-233 fission events measured 4107000400008 by small ionization fission chamber. 4107000400009 . Normalization of mass distribution curve to 200% was 4107000400010 used as an additional check. Symmetrical points in mass4107000400011 curve were obtained by NU=2.7 prt/fis, NU dependence 4107000400012 from mass was not taken into account. 4107000400013 ASSUMED (ASSUM,92-U-233(N,F),,NU) 4107000400014 STATUS (TABLE) Table on page 11 of 4107000400015 Sov.Atom.Energy,v.10,p.10,1961 4107000400016 HISTORY (19920811U) Data line for Ce-141 transferred as 4107000400017 MONITOR in COMMON section. 4107000400018 (20220325A) MONITOR (U-233(N,F)CE-141,CUM,FY,,FIS) was 4107000400019 deleted. 4107000400020 ENDBIB 18 0 4107000400021 COMMON 2 3 4107000400022 EN-DUMMY ASSUM 4107000400023 MEV PRT/FIS 4107000400024 1.0 2.7 4107000400025 ENDCOMMON 3 0 4107000400026 DATA 5 12 4107000400027 ELEMENT MASS ISOMER DATA DATA-ERR 4107000400028 NO-DIM NO-DIM NO-DIM PC/FIS PC/FIS 4107000400029 38. 89. 6.30 0.60 4107000400030 42. 99. 4.75 0.35 4107000400031 44. 103. 0. 0.413 0.045 4107000400032 44. 106. 0.16 0.02 4107000400033 47. 111. 0. 0.0837 0.008 4107000400034 48. 115. 0. 0.052 0.006 4107000400035 52. 129. 1. 0.602 0.050 4107000400036 52. 132. 4.36 0.40 4107000400037 55. 136. 0. 0.11 4107000400038 55. 137. 6.28 0.50 4107000400039 56. 140. 6.31 0.50 4107000400040 58. 141. 6.77 0.60 4107000400041 ENDDATA 14 0 4107000400042 ENDSUBENT 41 0 4107000499999 SUBENT 41070005 20220325 42064107000500001 BIB 8 19 4107000500002 REACTION (92-U-233(N,F)ELEM/MASS,CUM,FY) 4107000500003 MONITOR (92-U-233(N,F)58-CE-141,CUM,FY) 4107000500004 (92-U-233(N,F)56-BA-140,CUM,FY) 4107000500005 FACILITY (VDG) Accelerating tube. 4107000500006 INC-SOURCE (D-T) ~150 keV deuterons. 4107000500007 METHOD . Ba-140 and Ce-141 yields were measured absolutely by 4107000500008 measurement of neutron flux with aid of an 4107000500009 alpha-particle counter. Other isotope yields were 4107000500010 determined relative to Ba-140 and Ce-141 yields. 4107000500011 . Normalization of mass distribution curve to 200% was 4107000500012 used as an additional check. Symmetrical points in mass4107000500013 curve were obtained by NU=4.5 prt/fis, NU dependence 4107000500014 from mass was not taken into account. 4107000500015 ASSUMED (ASSUM,92-U-233(N,F),,NU) 4107000500016 STATUS (TABLE) Table on page 11 of 4107000500017 Sov.Atom.Energy,v.10,p.10,1961 4107000500018 HISTORY (20220325A) EN: 14. MeV -> 14.5 MeV . 4107000500019 Ce-141 data were added. 4107000500020 92-U-233(N,F)56-BA-140,CUM,FY was added in MONITOR. 4107000500021 ENDBIB 19 0 4107000500022 COMMON 4 3 4107000500023 EN MONIT MONIT-ERR ASSUM 4107000500024 MEV PC/FIS PC/FIS PRT/FIS 4107000500025 14.5 5.0 0.5 4.5 4107000500026 ENDCOMMON 3 0 4107000500027 DATA 5 9 4107000500028 ELEMENT MASS ISOMER DATA DATA-ERR 4107000500029 NO-DIM NO-DIM NO-DIM PC/FIS PC/FIS 4107000500030 42. 99. 3.5 0.3 4107000500031 44. 103. 0. 2.31 0.30 4107000500032 44. 106. 1.52 0.20 4107000500033 47. 111. 0. 1.22 0.12 4107000500034 48. 115. 0. 0.98 0.18 4107000500035 52. 132. 3.98 0.35 4107000500036 55. 136. 0. 0.5 4107000500037 55. 137. 4.7 0.5 4107000500038 58. 141. 5.0 0.5 4107000500039 ENDDATA 11 0 4107000500040 ENDSUBENT 39 0 4107000599999 SUBENT 41070006 20220325 42064107000600001 BIB 6 7 4107000600002 REACTION (94-PU-239(N,F)MASS,CHN,FY) 4107000600003 MONITOR Normalization of mass distribution curve to 200%. 4107000600004 FACILITY (VDG) Accelerating tube. 4107000600005 INC-SOURCE (D-T) ~150 keV deuterons. 4107000600006 STATUS (TABLE) Table on page 11 of 4107000600007 Sov.Atom.Energy,v.10,p.10,1961 4107000600008 HISTORY (20220325C) Data were moved from Subent 002. 4107000600009 ENDBIB 7 0 4107000600010 COMMON 1 3 4107000600011 EN 4107000600012 MEV 4107000600013 14.5 4107000600014 ENDCOMMON 3 0 4107000600015 DATA 3 1 4107000600016 MASS DATA DATA-ERR 4107000600017 NO-DIM PC/FIS PC/FIS 4107000600018 115. 1.30 0.11 4107000600019 ENDDATA 3 0 4107000600020 ENDSUBENT 19 0 4107000699999 SUBENT 41070007 20220325 42064107000700001 BIB 5 6 4107000700002 REACTION (94-PU-239(N,F)MASS,CHN,FY,,FIS) 4107000700003 MONITOR Normalization of mass distribution curve to 200%. 4107000700004 INC-SOURCE U-235 breeding system without moderator 4107000700005 STATUS (TABLE) Table on page 11 of 4107000700006 Sov.Atom.Energy,v.10,p.10,1961 4107000700007 HISTORY (20220325C) Data were moved from Subent 003. 4107000700008 ENDBIB 6 0 4107000700009 COMMON 1 3 4107000700010 EN-DUMMY 4107000700011 MEV 4107000700012 1.0 4107000700013 ENDCOMMON 3 0 4107000700014 DATA 3 2 4107000700015 MASS DATA DATA-ERR 4107000700016 NO-DIM PC/FIS PC/FIS 4107000700017 115. 0.095 0.010 4107000700018 129. 1.17 4107000700019 ENDDATA 4 0 4107000700020 ENDSUBENT 19 0 4107000799999 SUBENT 41070008 20220325 42064107000800001 BIB 6 12 4107000800002 REACTION (92-U-233(N,F)MASS,CHN,FY,,FIS) 4107000800003 INC-SOURCE U-235 breeding system without moderator 4107000800004 DETECTOR (FISCH) Small ionization fission chamber to measure 4107000800005 absolute number of U-233 fission events. 4107000800006 ANALYSIS . Absolute yield of fission fragments were determined 4107000800007 using absolute number of U-233 fission events measured 4107000800008 by small ionization fission chamber. 4107000800009 . Normalization of mass distribution curve to 200% was 4107000800010 used as an additional check. 4107000800011 STATUS (TABLE) Table on page 11 of 4107000800012 Sov.Atom.Energy,v.10,p.10,1961 4107000800013 HISTORY (20220325C) Data were moved from Subent 004. 4107000800014 ENDBIB 12 0 4107000800015 COMMON 1 3 4107000800016 EN-DUMMY 4107000800017 MEV 4107000800018 1.0 4107000800019 ENDCOMMON 3 0 4107000800020 DATA 3 2 4107000800021 MASS DATA DATA-ERR 4107000800022 NO-DIM PC/FIS PC/FIS 4107000800023 115. 0.056 0.006 4107000800024 129. 1.57 4107000800025 ENDDATA 4 0 4107000800026 ENDSUBENT 25 0 4107000899999 SUBENT 41070009 20220325 42064107000900001 BIB 7 13 4107000900002 REACTION (92-U-233(N,F)MASS,CHN,FY) 4107000900003 MONITOR (92-U-233(N,F)58-CE-141,CUM,FY) 4107000900004 FACILITY (VDG) Accelerating tube. 4107000900005 INC-SOURCE (D-T) ~150 keV deuterons. 4107000900006 METHOD . Ba-140 and Ce-141 yields were measured absolutely by 4107000900007 measurement of neutron flux with aid of an 4107000900008 alpha-particle counter. Other isotope yields were 4107000900009 determined relative to Ba-140 and Ce-141 yields. 4107000900010 . Normalization of mass distribution curve to 200% was 4107000900011 used as an additional check. 4107000900012 STATUS (TABLE) Table on page 11 of 4107000900013 Sov.Atom.Energy,v.10,p.10,1961 4107000900014 HISTORY (20220325C) Data were moved from Subent 005. 4107000900015 ENDBIB 13 0 4107000900016 COMMON 3 3 4107000900017 EN MONIT MONIT-ERR 4107000900018 MEV PC/FIS PC/FIS 4107000900019 14.5 5.0 0.5 4107000900020 ENDCOMMON 3 0 4107000900021 DATA 3 1 4107000900022 MASS DATA DATA-ERR 4107000900023 NO-DIM PC/FIS PC/FIS 4107000900024 115. 1.05 0.20 4107000900025 ENDDATA 3 0 4107000900026 ENDSUBENT 25 0 4107000999999 ENDENTRY 9 0 4107099999999