ENTRY 41212 20190715 41834121200000001 SUBENT 41212001 20190715 41834121200100001 BIB 15 38 4121200100002 INSTITUTE (4RUSICP,4RUSIFP) 4121200100003 REFERENCE (J,JET,2,677,1956) English translation of: 4121200100004 (J,ZET,28,778,1956) 4121200100005 (J,DOK,101,1027,1955) 4121200100006 TITLE Fission of heavy nuclei by high energy neutrons 4121200100007 AUTHOR (V.I.Goldanskii,V.S.Pen'kina,E.Z.Tarumov) 4121200100008 FACILITY (SYNCY,4RUSIFP) 4121200100009 EXP-YEAR (1950) 1950-1951 4121200100010 INC-SOURCE .1- Experiment at 1950: 4121200100011 280 MeV deuterons bombarded 16 mm ( 14.2 g/cm2) 4121200100012 copper target. 4121200100013 (P-BE) 4121200100014 2- Experiment at 1951: 4121200100015 25 mm (4.6 g/cm2 ) Be target placed at 4121200100016 153, 195, 220 cm distance from the magnet center, 4121200100017 corresponding 260, 400, 490 MeV proton energy. 4121200100018 INC-SPECT .1- Maximum and average energy ~120 MeV with HWHM 4121200100019 ~ 40 MeV. 4121200100020 .2- More smeared out. 4121200100021 DETECTOR (IOCH) Filled with chemically pure Ar at ~ 800 mm Hg 4121200100022 pressure. 4121200100023 SAMPLE Layers of area 8.5 or 12 cm2 on both sides of the 4121200100024 working electrodes. 4121200100025 MONITOR (6-C-12(N,2N)6-C-11,,SIG) 4121200100026 MONIT-REF (,E.McMillan+,J,PR,73,262(2),1948) For 90 MeV. 4121200100027 And K.O.Oganesian, report Inst.Nuclear Problems Acad. 4121200100028 Sci.USSR,1953 ( report number is not mentioned) - for 4121200100029 380 MeV. 4121200100030 ERR-ANALYS Uncertainties are connected with the determination of 4121200100031 incident neutron current and with statistical errors 4121200100032 are 20-30% for 120 MeV, 15-25% for 380 MeV . 4121200100033 COMMENT Of authors. Re-0(n,f) CS 0.0017 b at 120 MeV from 4121200100034 A,,V.P.Dzhelepov+,rep.Inst.Nucl.Problems,Acad.Sci.USSR4121200100035 1950 ( report number is not mentioned) 4121200100036 is given in Table I for comparison with other data. 4121200100037 HISTORY (19960902C) Converted and compiled at the CJD-centre 4121200100038 (20190715A) Refs. JET,2,677,1956 , ZET,28,778,1956 were4121200100039 added. BIB information was added. 4121200100040 ENDBIB 38 0 4121200100041 NOCOMMON 0 0 4121200100042 ENDSUBENT 41 0 4121200199999 SUBENT 41212002 20190715 41834121200200001 BIB 5 10 4121200200002 REACTION (90-TH-232(N,F),,SIG) 4121200200003 SAMPLE Th layer ~1 mg/cm2 deposited on Al foil in the form of4121200200004 a suspension of ThO(2) in acetone with 1% ( by weight) 4121200200005 organic binder. 4121200200006 REL-REF (A,,E.L.Kelly+,J,PR,73,1135,1948) 1. b at 84 MeV 4121200200007 A,,V.P.Dzhelepov+,rep.Inst.Nucl.Problems,Acad.Sci.USSR4121200200008 1950 ( report number is not mentioned) - 1. b at 120 Me4121200200009 STATUS (TABLE) Table I of 4121200200010 J.of Exp.and Theor.Phys.,v.2,p.677,1956 4121200200011 HISTORY (19960902T) Converted from SUBENT 80321002 at CJD 4121200200012 ENDBIB 10 0 4121200200013 NOCOMMON 0 0 4121200200014 DATA 3 1 4121200200015 EN DATA MONIT 4121200200016 MEV B B 4121200200017 3.8000E+02 0.9 2.1E-02 4121200200018 ENDDATA 3 0 4121200200019 ENDSUBENT 18 0 4121200299999 SUBENT 41212003 20190715 41834121200300001 BIB 5 13 4121200300002 REACTION (92-U-238(N,F),,SIG) 4121200300003 SAMPLE Layer deposited on Al cathode by electrolysis of U 4121200300004 nitrate solution in alcohol. 4121200300005 Thickness of U 0.15 - 0.5 mg/cm2. 4121200300006 Assumed composition: UO(2) (11.9% oxygen by weight) and4121200300007 U(2)O(3) (9.2% oxygen by weight), 4121200300008 i.e. 89.5% U by weight. 4121200300009 U-235 content 92.6% in isotope mixture, 4121200300010 so U-235 - 82.8% in fissioning layer. 4121200300011 REL-REF (A,,E.L.Kelly+,J,PR,73,1135,1948) 1.4 b at 84 MeV 4121200300012 STATUS (TABLE) Table I of 4121200300013 J.of Exp.and Theor.Phys.,v.2,p.677,1956 4121200300014 HISTORY (19960902T) Converted from SUBENT 80321003 at CJD 4121200300015 ENDBIB 13 0 4121200300016 NOCOMMON 0 0 4121200300017 DATA 3 2 4121200300018 EN DATA MONIT 4121200300019 MEV B B 4121200300020 1.2000E+02 1.14 2.2E-02 4121200300021 3.8000E+02 1.03 2.1E-02 4121200300022 ENDDATA 4 0 4121200300023 ENDSUBENT 22 0 4121200399999 SUBENT 41212004 20190715 41834121200400001 BIB 4 12 4121200400002 REACTION (92-U-235(N,F),,SIG) 4121200400003 SAMPLE Layer deposited on Al cathode by electrolysis of U 4121200400004 nitrate solution in alcohol. 4121200400005 Thickness of U 0.15 - 0.5 mg/cm2. 4121200400006 Assumed composition: UO(2) (11.9% oxygen by weight) and4121200400007 U(2)O(3) (9.2% oxygen by weight), 4121200400008 i.e. 89.5% U by weight. 4121200400009 U-235 content 92.6% in isotope mixture, 4121200400010 so U-235 - 82.8% in fissioning layer. 4121200400011 STATUS (TABLE) Table I of 4121200400012 J.of Exp.and Theor.Phys.,v.2,p.677,1956 4121200400013 HISTORY (19960902T) Converted from SUBENT 80321004 at CJD 4121200400014 ENDBIB 12 0 4121200400015 NOCOMMON 0 0 4121200400016 DATA 3 2 4121200400017 EN DATA MONIT 4121200400018 MEV B B 4121200400019 1.2000E+02 1.5 2.2E-02 4121200400020 3.8000E+02 1.24 2.1E-02 4121200400021 ENDDATA 4 0 4121200400022 ENDSUBENT 21 0 4121200499999 SUBENT 41212005 20190715 41834121200500001 BIB 5 10 4121200500002 REACTION (74-W-0(N,F),,SIG) 4121200500003 SAMPLE Layer of ~ 0.8 mg/cm2 deposited electrolytically on 4121200500004 Cu cathode. Weight of W ~65% . 4121200500005 COMMENT Of authors. Agree with 4121200500006 V.P.Dzhelepov+,rep.Inst.Nucl.Problems,Acad.Sci.USSR 4121200500007 1950 ( report number is not mentioned) - 4121200500008 0.0011. b at 120 MeV 4121200500009 STATUS (TABLE) Table I of 4121200500010 J.of Exp.and Theor.Phys.,v.2,p.677,1956 4121200500011 HISTORY (19960902T) converted from SUBENT 80321005 at CJD 4121200500012 ENDBIB 10 0 4121200500013 NOCOMMON 0 0 4121200500014 DATA 3 1 4121200500015 EN DATA MONIT 4121200500016 MEV B B 4121200500017 3.8000E+02 3.8 E-03 2.1E-02 4121200500018 ENDDATA 3 0 4121200500019 ENDSUBENT 18 0 4121200599999 SUBENT 41212006 20190715 41834121200600001 BIB 5 6 4121200600002 REACTION (78-PT-0(N,F),,SIG) 4121200600003 SAMPLE Layer of ~0.8 mg/cm2 produced by cathode sputtering. 4121200600004 REL-REF (A,,E.L.Kelly+,J,PR,73,1135,1948) 0.00095 b at 84 MeV 4121200600005 STATUS (TABLE) Table I of 4121200600006 J.of Exp.and Theor.Phys.,v.2,p.677,1956 4121200600007 HISTORY (19960902T) Converted from SUBENT 80321006 at CJD 4121200600008 ENDBIB 6 0 4121200600009 NOCOMMON 0 0 4121200600010 DATA 3 1 4121200600011 EN DATA MONIT 4121200600012 MEV B B 4121200600013 3.8000E+02 1.2 E-02 2.1E-02 4121200600014 ENDDATA 3 0 4121200600015 ENDSUBENT 14 0 4121200699999 SUBENT 41212007 20190715 41834121200700001 BIB 5 9 4121200700002 REACTION (79-AU-197(N,F),,SIG) 4121200700003 SAMPLE Layer of ~0.8 mg/cm2 produced by cathode sputtering. 4121200700004 REL-REF (A,,E.L.Kelly+,J,PR,73,1135,1948) 0.0021 b at 84 MeV 4121200700005 D,,A.A.Reut+,rep.Inst.Nucl.Problems,Acad.Sci.USSR 4121200700006 1950 ( report number is not mentioned) - 4121200700007 0.010 b at 120 MeV 4121200700008 STATUS (TABLE) Table I of 4121200700009 J.of Exp.and Theor.Phys.,v.2,p.677,1956 4121200700010 HISTORY (19960902T) Converted from SUBENT 80321007 at CJD 4121200700011 ENDBIB 9 0 4121200700012 NOCOMMON 0 0 4121200700013 DATA 3 1 4121200700014 EN DATA MONIT 4121200700015 MEV B B 4121200700016 3.8000E+02 2.0 E-02 2.1E-02 4121200700017 ENDDATA 3 0 4121200700018 ENDSUBENT 17 0 4121200799999 SUBENT 41212008 20190715 41834121200800001 BIB 5 10 4121200800002 REACTION (81-TL-0(N,F),,SIG) 4121200800003 SAMPLE Layer of 1-1.5 mg/cm2 produced by vacuum evaporation 4121200800004 on Al foil. 4121200800005 REL-REF (A,,E.L.Kelly+,J,PR,73,1135,1948) 0.0032 b at 84 MeV 4121200800006 D,,A.A.Reut+,rep.Inst.Nucl.Problems,Acad.Sci.USSR 4121200800007 1950 ( report number is not mentioned) - 4121200800008 0.010 b at 120 MeV 4121200800009 STATUS (TABLE) Table I of 4121200800010 J.of Exp.and Theor.Phys.,v.2,p.677,1956 4121200800011 HISTORY (19960902T) Converted from SUBENT 80321008 at CJD 4121200800012 ENDBIB 10 0 4121200800013 NOCOMMON 0 0 4121200800014 DATA 3 1 4121200800015 EN DATA MONIT 4121200800016 MEV B B 4121200800017 3.8000E+02 1.9 E-02 2.1E-02 4121200800018 ENDDATA 3 0 4121200800019 ENDSUBENT 18 0 4121200899999 SUBENT 41212009 20190715 41834121200900001 BIB 5 11 4121200900002 REACTION (82-PB-0(N,F),,SIG) 4121200900003 SAMPLE Layer of 1-1.5 mg/cm2 produced by vacuum evaporation 4121200900004 on Al foil. 4121200900005 REL-REF (A,,E.L.Kelly+,J,PR,73,1135,1948) 0.0055 b at 84 MeV 4121200900006 A,,A.A.Reut+,rep.Inst.Nucl.Problems,Acad.Sci.USSR 4121200900007 1950 ( report number is not mentioned) - 4121200900008 0.020 b at 120 MeV 4121200900009 STATUS (TABLE) Table I of 4121200900010 J.of Exp.and Theor.Phys.,v.2,p.677,1956 4121200900011 HISTORY (19960902T) Converted from SUBENT 80321009 at 4121200900012 CJD-centre 4121200900013 ENDBIB 11 0 4121200900014 NOCOMMON 0 0 4121200900015 DATA 3 1 4121200900016 EN DATA MONIT 4121200900017 MEV B B 4121200900018 3.8000E+02 3.3 E-02 2.1E-02 4121200900019 ENDDATA 3 0 4121200900020 ENDSUBENT 19 0 4121200999999 SUBENT 41212010 20190715 41834121201000001 BIB 5 7 4121201000002 REACTION (83-BI-209(N,F),,SIG) 4121201000003 SAMPLE Layer of 1-1.5 mg/cm2 produced by vacuum evaporation 4121201000004 on Al foil. 4121201000005 REL-REF (A,,E.L.Kelly+,J,PR,73,1135,1948) 0.019. b at 84 MeV 4121201000006 STATUS (TABLE) Table I of 4121201000007 J.of Exp.and Theor.Phys.,v.2,p.677,1956 4121201000008 HISTORY (19960902C) Compiled at the CJD-centre 4121201000009 ENDBIB 7 0 4121201000010 NOCOMMON 0 0 4121201000011 DATA 3 2 4121201000012 EN DATA MONIT 4121201000013 MEV B B 4121201000014 1.2000E+02 3.6 E-02 2.1E-02 4121201000015 3.8000E+02 7.4 E-02 2.1E-02 4121201000016 ENDDATA 4 0 4121201000017 ENDSUBENT 16 0 4121201099999 ENDENTRY 10 0 4121299999999