ENTRY 40342 20200318 41864034200000001 SUBENT 40342001 20200318 41864034200100001 BIB 13 48 4034200100002 INSTITUTE (4RUSFEI) 4034200100003 REFERENCE ((R,YK-15,3,1974)= 4034200100004 (R,INDC(CCP)-57,3,1974)) Data tables 4034200100005 (J,SJA,36,406,1974) - data only for Pu-241 and experim.4034200100006 details. Engl.translation of: 4034200100007 (J,AE,36,321,1974) Issue 4. 4034200100008 AUTHOR (V.G.Vorob'eva,N.P.D'yachenko,B.D.Kuz'minov, 4034200100009 A.I.Sergachev) 4034200100010 TITLE Determination of energy dependence of NU for 4034200100011 uranium-238, plutonium-240 and plutonium-241 from an 4034200100012 analysis of the fission energy balance . 4034200100013 REL-REF (M,40144001,A.I.Akimov+,J,YF,13,484,1971) Issue 3. 4034200100014 The method of measuring mass and kinetic energy 4034200100015 distributions of the fragments has been described 4034200100016 (M,,P.P.Dyachenko+,J,PL/B,31,122,1970) 4034200100017 (M,,V.G.Vorob'eva+,J,AE,29,130,1970) 4034200100018 (M,,V.G.Vorobyeva+,C,70HELSINKI,2,177,1970) 4034200100019 Three rel.refs for analysis on the basis of balance 4034200100020 including the results of measurements on mass and 4034200100021 kinetic energy distributions of fragments during 4034200100022 the fission. 4034200100023 (N,40130001,N.P.Kolosov+,J,AE,32,83,1972) Issue 1. 4034200100024 U-233 and Pu-239 measurement. 4034200100025 (N,40130001,N.P.Kolosov+,J,SJA,32,92,1972) 4034200100026 Engl.translation of AE,32,(1),83,1972 4034200100027 FACILITY (VDG,4RUSFEI) Van de Graaff KG-2.5, EG-1. 4034200100028 INC-SOURCE No information 4034200100029 INC-SPECT Monoenergetic neutrons. 4034200100030 METHOD Simultaneous measurement of light and heavy fragments 4034200100031 energies. 4034200100032 DETECTOR (SIBAR) Working area about 2 cm. 4034200100033 ANALYSIS Balance of fission energy 4034200100034 STATUS This Entry supersedes Entry 40204. 4034200100035 HISTORY (19800922C) 4034200100036 (20000424A) Corrected at CJD 4034200100037 (20000426U) Last checking has been done. 4034200100038 (20150210U) SD: Ref. on Engl.transl. of AE added. 4034200100039 Author's names corrected. DATA units corrected 4034200100040 according to new EXFOR rules in Subents 2-4. 4034200100041 (20151210A) M.M. Ref. AE,32,(1),83,1972 was moved in 4034200100042 REL-REF. Articles were checked, BIB information was 4034200100043 updated in REL-REF, AUTHOR and TITLE ( as given in 4034200100044 INDC(CCP)-50, table of contents only), INC-SPECT, 4034200100045 STATUS, ANALYSIS, 4034200100046 Ref. J,AE,36,(4),321,1974 was added. 4034200100047 Subents 005-007 were added. 4034200100048 (20200318U) Ref. INDC(CCP)-57,3,1974 was added. 4034200100049 Cosmetic correction of free text. 4034200100050 ENDBIB 48 0 4034200100051 NOCOMMON 0 0 4034200100052 ENDSUBENT 51 0 4034200199999 SUBENT 40342002 20200318 41864034200200001 BIB 7 12 4034200200002 REACTION (92-U-238(N,F),PR,NU,,,DERIV) 4034200200003 PART-DET (FF) 4034200200004 ANALYSIS NU was derived by fission energy balance (method 4034200200005 described in rel.ref. of Kolosov+) , data from rel.ref.4034200200006 of Manero+ were used. 4034200200007 REL-REF (N,,N.P.Kolosov+,J,AE,32,83,1972) 4034200200008 (R,,F.Manero+,J,REA,10,637,1972) 4034200200009 ERR-ANALYS (DATA-ERR) Not explained. 4034200200010 STATUS (TABLE) Table 1 of Yad.Konst.-15,3,1974 4034200200011 HISTORY (20200318A) DERIV was added. 4034200200012 "PART-DET (FF)" was moved from Subent 001 according to 4034200200013 a comment of N.Otsuka (NDS,IAEA). 4034200200014 ENDBIB 12 0 4034200200015 NOCOMMON 0 0 4034200200016 DATA 4 12 4034200200017 EN EN-ERR DATA DATA-ERR 4034200200018 MEV MEV PRT/FIS PRT/FIS 4034200200019 1.30 0.05 2.571 0.035 4034200200020 1.40 0.05 2.582 0.035 4034200200021 1.50 0.05 2.587 0.025 4034200200022 1.90 0.05 2.636 0.025 4034200200023 2.22 0.05 2.667 0.025 4034200200024 2.31 0.03 2.684 0.025 4034200200025 2.43 0.03 2.702 0.025 4034200200026 2.72 0.03 2.734 0.030 4034200200027 2.90 0.05 2.766 0.030 4034200200028 3.35 0.05 2.811 0.030 4034200200029 3.85 0.11 2.885 0.025 4034200200030 5.30 0.11 3.078 0.025 4034200200031 ENDDATA 14 0 4034200200032 ENDSUBENT 31 0 4034200299999 SUBENT 40342003 20200318 41864034200300001 BIB 7 12 4034200300002 REACTION (94-PU-240(N,F),PR,NU,,,DERIV) 4034200300003 PART-DET (FF) 4034200300004 ANALYSIS NU was derived by fission energy balance (method 4034200300005 described in rel.ref. of Kolosov+) , data from rel.ref.4034200300006 of Manero+ were used. 4034200300007 REL-REF (N,,N.P.Kolosov+,J,AE,32,83,1972) 4034200300008 (R,,F.Manero+,J,REA,10,637,1972) 4034200300009 ERR-ANALYS (DATA-ERR) Not explained. 4034200300010 STATUS (TABLE) Table 2 of Yad.Konst.-15,3,1974 4034200300011 HISTORY (20200318A) DERIV was added 4034200300012 "PART-DET (FF)" was moved from Subent 001 according to 4034200300013 a comment of N.Otsuka (NDS,IAEA). 4034200300014 ENDBIB 12 0 4034200300015 NOCOMMON 0 0 4034200300016 DATA 4 22 4034200300017 EN EN-ERR DATA DATA-ERR 4034200300018 MEV MEV PRT/FIS PRT/FIS 4034200300019 0.85 0.05 3.028 0.017 4034200300020 1.03 0.07 3.017 0.017 4034200300021 1.23 0.07 3.000 0.017 4034200300022 1.33 0.07 3.040 0.017 4034200300023 1.44 0.06 3.066 0.017 4034200300024 1.54 0.06 3.075 0.017 4034200300025 1.59 0.06 3.079 0.017 4034200300026 1.64 0.06 3.100 0.017 4034200300027 1.69 0.06 3.089 0.017 4034200300028 1.74 0.06 3.089 0.017 4034200300029 1.80 0.05 3.089 0.017 4034200300030 1.85 0.05 3.103 0.017 4034200300031 1.94 0.06 3.107 0.017 4034200300032 2.15 0.05 3.130 0.017 4034200300033 2.35 0.05 3.224 0.022 4034200300034 2.55 0.05 3.236 0.022 4034200300035 2.75 0.05 3.255 0.022 4034200300036 2.80 0.05 3.269 0.022 4034200300037 2.95 0.05 3.272 0.022 4034200300038 3.15 0.05 3.371 0.030 4034200300039 3.30 0.10 3.428 0.030 4034200300040 4.90 0.10 3.595 0.030 4034200300041 ENDDATA 24 0 4034200300042 ENDSUBENT 41 0 4034200399999 SUBENT 40342004 20200318 41864034200400001 BIB 7 31 4034200400002 REACTION (94-PU-241(N,F),PR,NU,,,DERIV) 4034200400003 ASSUMED (ASSUM,94-PU-241(N,F),PR,NU) 4034200400004 at thermal energy 4034200400005 PART-DET (FF) 4034200400006 ANALYSIS The energy dependence of NU(En) was expressed as: 4034200400007 NU(En)=NUtherm+ALPHA*(En-dEk)+dNUj, where 4034200400008 NUthermal - average number of prompt neutrons at Pu-2414034200400009 thermal fission; 4034200400010 dEk - the change in fragment kinetic energy not 4034200400011 associated with a change in fragment yields; 4034200400012 dNUj - the change in the number of prompt neutrons 4034200400013 resulting only from difference in fragment yields for 4034200400014 neutrons of energy En and for thermal neurons. 4034200400015 dEk and dNUj were determined from exp. measurement of 4034200400016 fragment kinetic energies and yields. 4034200400017 ALPHA - coefficient determined using the exp.data of 4034200400018 this work and data of other authors; it was assumed 4034200400019 that ALPHA increases linearly from 0.094 1/MeV for 4034200400020 thermal neutron fission to 0.120 1/MeV fro 5 MeV 4034200400021 neutrons. 4034200400022 ERR-ANALYS (DATA-ERR) Includes error of kinetic energy 4034200400023 measurements (+-100 keV) and error of ALPHA coefficient4034200400024 (+-20%). 4034200400025 STATUS (TABLE) Table 3 of Yad.Konst.-15,3,1974 4034200400026 Table 1 from Sov.At.Energy 36, 406 (1974) 4034200400027 HISTORY (20151126C) M.M. ANALYSIS, MONITOR, ERR-ANALYS, COMMON 4034200400028 were added. 4034200400029 (20200318A) DERIV was added 4034200400030 MONITOR -> ASSUMED. 4034200400031 "PART-DET (FF)" was moved from Subent 001 according to 4034200400032 a comment of N.Otsuka (NDS,IAEA). 4034200400033 ENDBIB 31 0 4034200400034 COMMON 1 3 4034200400035 ASSUM 4034200400036 PRT/FIS 4034200400037 2.921 4034200400038 ENDCOMMON 3 0 4034200400039 DATA 4 15 4034200400040 EN EN-ERR DATA DATA-ERR 4034200400041 MEV MEV PRT/FIS PRT/FIS 4034200400042 0.28 0.05 2.975 0.015 4034200400043 0.40 0.05 2.974 0.015 4034200400044 0.55 0.05 3.008 0.017 4034200400045 0.70 0.05 3.031 0.022 4034200400046 0.85 0.07 3.031 0.022 4034200400047 1.00 0.05 3.047 0.025 4034200400048 1.33 0.07 3.092 0.032 4034200400049 1.54 0.06 3.126 0.038 4034200400050 1.74 0.06 3.139 0.040 4034200400051 1.94 0.06 3.195 0.048 4034200400052 2.15 0.05 3.201 0.050 4034200400053 2.36 0.04 3.250 0.056 4034200400054 2.56 0.04 3.250 0.056 4034200400055 2.74 0.06 3.305 0.065 4034200400056 5.00 0.10 3.660 0.115 4034200400057 ENDDATA 17 0 4034200400058 ENDSUBENT 57 0 4034200499999 SUBENT 40342005 20200318 41864034200500001 BIB 4 5 4034200500002 REACTION (92-U-238(N,F),SEC,AKE,LF+HF) 4034200500003 ERR-ANALYS (DATA-ERR) Not explained. 4034200500004 STATUS (TABLE) Table 1 of Yad.Konst.-15,3,1974 4034200500005 HISTORY (20151210C) M.M. Subent was added. 4034200500006 (20200318A) SEC was addded in reaction 4034200500007 ENDBIB 5 0 4034200500008 NOCOMMON 0 0 4034200500009 DATA 4 12 4034200500010 EN EN-ERR DATA DATA-ERR 4034200500011 MEV MEV MEV MEV 4034200500012 1.30 0.05 172.53 0.25 4034200500013 1.40 0.05 172.50 0.20 4034200500014 1.50 0.05 172.55 0.15 4034200500015 1.90 0.05 172.48 0.15 4034200500016 2.22 0.05 172.50 0.15 4034200500017 2.31 0.03 172.43 0.15 4034200500018 2.43 0.03 172.38 0.15 4034200500019 2.72 0.03 172.36 0.15 4034200500020 2.90 0.05 172.23 0.15 4034200500021 3.35 0.05 172.25 0.15 4034200500022 3.85 0.11 172.04 0.15 4034200500023 5.30 0.11 171.63 0.15 4034200500024 ENDDATA 14 0 4034200500025 ENDSUBENT 24 0 4034200599999 SUBENT 40342006 20200318 41864034200600001 BIB 4 6 4034200600002 REACTION (94-PU-240(N,F),SEC,AKE,LF+HF) 4034200600003 ERR-ANALYS (DATA-ERR) Not explained. 4034200600004 STATUS (TABLE) Table 2 of Yad.Konst.-15,3,1974 4034200600005 (COREL,40284004) Different analysis, monitor . 4034200600006 HISTORY (20151210C) M.M. Subent was added. 4034200600007 (20200318A) SEC was addded in reaction 4034200600008 ENDBIB 6 0 4034200600009 NOCOMMON 0 0 4034200600010 DATA 4 22 4034200600011 EN EN-ERR DATA DATA-ERR 4034200600012 MEV MEV MEV MEV 4034200600013 0.85 0.05 177.86 0.15 4034200600014 1.03 0.07 178.14 0.15 4034200600015 1.23 0.07 178.49 0.15 4034200600016 1.33 0.07 178.24 0.15 4034200600017 1.44 0.06 178.11 0.15 4034200600018 1.54 0.06 178.13 0.15 4034200600019 1.59 0.06 178.14 0.15 4034200600020 1.64 0.06 178.00 0.15 4034200600021 1.69 0.06 178.15 0.15 4034200600022 1.74 0.06 178.20 0.15 4034200600023 1.80 0.05 178.14 0.15 4034200600024 1.85 0.05 178.15 0.15 4034200600025 1.94 0.06 178.03 0.15 4034200600026 2.15 0.05 177.97 0.15 4034200600027 2.35 0.05 177.59 0.15 4034200600028 2.55 0.05 177.69 0.15 4034200600029 2.75 0.05 177.71 0.20 4034200600030 2.80 0.05 177.64 0.20 4034200600031 2.95 0.05 177.76 0.20 4034200600032 3.15 0.05 177.07 0.30 4034200600033 3.30 0.10 176.70 0.30 4034200600034 4.90 0.10 176.79 0.20 4034200600035 ENDDATA 24 0 4034200600036 ENDSUBENT 35 0 4034200699999 SUBENT 40342007 20200318 41864034200700001 BIB 7 14 4034200700002 REACTION (94-PU-241(N,F),SEC,AKE,LF+HF) 4034200700003 METHOD Simultaneous measurement of light and heavy 4034200700004 fragments energy 4034200700005 ASSUMED (ASSUM,94-PU-241(N,F),,AKE,FF) at thermal energy 4034200700006 REL-REF (R,,J.N.Neiler+,J,PR,149,(3),894,1966) 4034200700007 AKE at thermal energy 4034200700008 ERR-ANALYS (DATA-ERR) Not explained. 4034200700009 STATUS (TABLE) Table 3 of Yad.Konst.-15,3,1974 4034200700010 Table 1 of Sov.At.Energy 36, 406 (1974) 4034200700011 (COREL,40284005) Different analysis, monitor. 4034200700012 HISTORY (20151210C) M.M. Subent was added. 4034200700013 (20200318A) MONITOR -> ASSUMED according to a comment 4034200700014 of N.Otsuka (NDS,IAEA) 4034200700015 SEC was added in Reaction. 4034200700016 ENDBIB 14 0 4034200700017 COMMON 2 3 4034200700018 ASSUM DATA-ERR 4034200700019 MEV MEV 4034200700020 179.6 0.100 4034200700021 ENDCOMMON 3 0 4034200700022 DATA 2 15 4034200700023 EN DATA 4034200700024 MEV MEV 4034200700025 0.28 179.273 4034200700026 0.40 179.421 4034200700027 0.55 179.243 4034200700028 0.70 179.119 4034200700029 0.85 179.290 4034200700030 1.00 179.236 4034200700031 1.33 179.181 4034200700032 1.54 179.052 4034200700033 1.74 179.101 4034200700034 1.94 178.781 4034200700035 2.15 178.992 4034200700036 2.36 178.872 4034200700037 2.56 178.825 4034200700038 2.74 178.642 4034200700039 5.00 178.394 4034200700040 ENDDATA 17 0 4034200700041 ENDSUBENT 40 0 4034200799999 ENDENTRY 7 0 4034299999999