ENTRY 40355 20161227 41754035500000001 SUBENT 40355001 20161227 41754035500100001 BIB 10 38 4035500100002 INSTITUTE (4RUSKUR) 4035500100003 REFERENCE (J,SJA,2,9,1957) Eng.transl.of AE,2,10,1957 4035500100004 (J,AE,2,(1),10,195701) 4035500100005 (J,JNE,5,217,1957) 4035500100006 AUTHOR (G.A.Dorofeev,Yu.P.Dobrynin) 4035500100007 TITLE Effective cross-sections for fission of U-233, U-235, 4035500100008 Pu-239 and Pu-240 by neutrons with energies from 30 keV4035500100009 to 5 MeV . 4035500100010 INC-SOURCE Mock fission source for neutrons of about 2MeV,4035500100011 ( Po, B(4)C,CaF(4), CA(BF(4))2 ) 4035500100012 neutron angular distribution - isotropic. 4035500100013 (PHOTO) Sb-Be source for neutrons of about 30 keV, 4035500100014 contamination due to neutrons of ~400 keV is ~ 10%, 4035500100015 neutron angular distribution - isotropic. 4035500100016 Na-D2O source for neutrons of about 250 keV, 4035500100017 neutron angular distribution - 1+5*SIN(angle)**2. 4035500100018 Na-Be source for neutrons of about 900 keV, 4035500100019 neutron angular distribution - 1+0.8*SIN(angle)**2. 4035500100020 (PO-BE) Po-Be source for neutrons of about 5 MeV, 4035500100021 neutron angular distribution - isotropic. 4035500100022 DETECTOR (IOCH) Spherical ionization chamber. 4035500100023 Filled with 90% Ar and 10% CO(2) at pressure 20mm Hg. 4035500100024 Al sphere diameter 37mm, 0.5 mm thick. 4035500100025 PART-DET (FF) 4035500100026 CORRECTION For contamination of U-238 and Pu-240. 4035500100027 For presence of 400 keV neutrons in Sb+Be source <4%. 4035500100028 For anisotropy (< 3.%) and finite size of the sources.4035500100029 For effect of scattered neutrons <1%. 4035500100030 ERR-ANALYS (DATA-ERR) Not explained in the article 4035500100031 HISTORY (19820616C) 4035500100032 (19830915A) Added Subentries from the entry 80005 4035500100033 (20150210A) SD: Updated to new date formats,lower case.4035500100034 Ref. on Engl.transl. of AE added. Subent 5 added. 4035500100035 SAMPLE was added 2-4. 4035500100036 (20161227U) M.M. Article was checked, BIB information 4035500100037 was updated in TITLE,DETECTOR,CORRECTION,INC-SOURCE. 4035500100038 Primarily measured data were added in Subents 006-008. 4035500100039 A-BE -> PO-BE in INC-SOURCE . 4035500100040 ENDBIB 38 0 4035500100041 NOCOMMON 0 0 4035500100042 ENDSUBENT 41 0 4035500199999 SUBENT 40355002 20161227 41754035500200001 BIB 4 5 4035500200002 REACTION (94-PU-240(N,F),,SIG,,SPA) 4035500200003 SAMPLE The effective weight of Pu ~ was determined 4035500200004 (2.0 + 0.2 mg) from spontaneous fission. 4035500200005 STATUS (TABLE) Tbl.6 from SJA,2,9,1957 4035500200006 HISTORY (20161227A) EN -> EN-MEAN . SPA was added. 4035500200007 ENDBIB 5 0 4035500200008 NOCOMMON 0 0 4035500200009 DATA 3 2 4035500200010 EN-MEAN DATA DATA-ERR 4035500200011 MEV B B 4035500200012 0.90 1.30 0.15 4035500200013 5.00 1.40 0.15 4035500200014 ENDDATA 4 0 4035500200015 ENDSUBENT 14 0 4035500299999 SUBENT 40355003 20161227 41754035500300001 BIB 8 20 4035500300002 REACTION (92-U-233(N,F),,SIG,,SPA) 4035500300003 SAMPLE The fission chamber with U-233 contained about 20 mg. 4035500300004 The material was applied electrolytically on aluminum 4035500300005 sphere 37 mm in diam. and 0.5 mm thick. 4035500300006 REL-REF (R,40350002,P.E.Spivak+,J,AE,1,(3),21,1956) 4035500300007 Data of ETA used in analysis. 4035500300008 (R,40350001,P.E.Spivak+,J,SJA,1,(3),303,1956) 4035500300009 Engl.translation 4035500300010 ASSUMED (ASSUM1,92-U-233(N,NON),,ETA) 4035500300011 (ASSUM2,92-U-233(N,F),,NU) 4035500300012 FLAG (1.) CS at 30 keV was measured by 223.6 g alloy, 4035500300013 U-233 weight 220.13g, 0.0131E+24nucl./cm**2 , 4035500300014 using the ASSUMED data . 4035500300015 ERR-ANALYS (ERR-S) Stat. error 1% 4035500300016 (ERR-1) Uncertainty of mean neutron number at 4035500300017 non-elastic event 2.5% 4035500300018 STATUS (TABLE) Tbl. 5 from SJA,2,9,1957 4035500300019 (DEP,40355006) Relative data . 4035500300020 HISTORY (19830915T)Converted from subent 80005003 4035500300021 (20161227A) EN -> EN-MEAN . SPA was added. 4035500300022 ENDBIB 20 0 4035500300023 COMMON 7 6 4035500300024 EN-NRM ASSUM1 ASSUM1-ERR ASSUM2 ASSUM2-ERR ERR-S 4035500300025 ERR-1 4035500300026 KEV PRT/REAC PRT/REAC PRT/FIS PRT/FIS PER-CENT 4035500300027 PER-CENT 4035500300028 30. 2.25 0.07 2.60 0.07 1. 4035500300029 2.5 4035500300030 ENDCOMMON 6 0 4035500300031 DATA 4 5 4035500300032 EN-MEAN DATA DATA-ERR FLAG 4035500300033 MEV B B NO-DIM 4035500300034 0.03 3.06 0.16 1. 4035500300035 0.25 2.11 0.13 4035500300036 0.90 1.83 0.11 4035500300037 2.00 1.86 0.11 4035500300038 5.00 1.96 0.12 4035500300039 ENDDATA 7 0 4035500300040 ENDSUBENT 39 0 4035500399999 SUBENT 40355004 20161227 41754035500400001 BIB 8 21 4035500400002 REACTION (94-PU-239(N,F),,SIG,,SPA) 4035500400003 SAMPLE The fission chamber with Pu-239 contained about 1.5 mg 4035500400004 The material was applied electrolytically on aluminum 4035500400005 sphere 37 mm in diam. and 0.5 mm thick. 4035500400006 2% contamination of Pu-240. 4035500400007 REL-REF (R,40350004,P.E.Spivak+,J,AE,1,(3),21,1956) 4035500400008 Data of ETA used in analysis. 4035500400009 (R,40350004,P.E.Spivak+,J,SJA,1,(3),303,1956) 4035500400010 Engl.translation 4035500400011 ASSUMED (ASSUM1,92-U-233(N,NON),,ETA) 4035500400012 (ASSUM2,92-U-233(N,F),,NU) 4035500400013 FLAG (1.) CS at 30 keV was measured by 190.45 g alloy, 4035500400014 Pu-239 weight 183.3 g, 0.0107E+24nucl./cm**2 , 4035500400015 using the ASSUMED data . 4035500400016 ERR-ANALYS (ERR-S) Stat. error 1% 4035500400017 (ERR-1) Uncertainty of mean neutron number at 4035500400018 non-elastic event 2.5% 4035500400019 STATUS (TABLE) Tbl. 5 from SJA,2,9,1957 4035500400020 (DEP,40355008) Relative data . 4035500400021 HISTORY (19830915T) Converted from subent 80005005 4035500400022 (20161227A) EN -> EN-MEAN . SPA was added. 4035500400023 ENDBIB 21 0 4035500400024 COMMON 7 6 4035500400025 EN-NRM ASSUM1 ASSUM1-ERR ASSUM2 ASSUM2-ERR ERR-S 4035500400026 ERR-1 4035500400027 KEV PRT/REAC PRT/REAC PRT/FIS PRT/FIS PER-CENT 4035500400028 PER-CENT 4035500400029 30. 2.01 0.05 2.9 0.07 1. 4035500400030 2.5 4035500400031 ENDCOMMON 6 0 4035500400032 DATA 4 5 4035500400033 EN DATA DATA-ERR FLAG 4035500400034 MEV B B NO-DIM 4035500400035 0.03 1.79 0.11 1. 4035500400036 0.25 1.58 0.10 4035500400037 0.90 1.79 0.12 4035500400038 2.00 1.86 0.13 4035500400039 5.00 2.10 0.13 4035500400040 ENDDATA 7 0 4035500400041 ENDSUBENT 40 0 4035500499999 SUBENT 40355005 20161227 41754035500500001 BIB 8 21 4035500500002 REACTION (92-U-235(N,F),,SIG,,SPA) 4035500500003 SAMPLE The fission chamber with U-235 contained about 20 mg. 4035500500004 The material was applied electrolytically on aluminum 4035500500005 sphere 37 mm in diam. and 0.5 mm thick. 4035500500006 10% contamination of U-238. 4035500500007 REL-REF (R,40350003,P.E.Spivak+,J,AE,1,(3),21,1956) 4035500500008 Data of ETA used in analysis. 4035500500009 (R,40350003,P.E.Spivak+,J,SJA,1,(3),303,1956) 4035500500010 Engl.translation 4035500500011 ASSUMED (ASSUM1,92-U-233(N,NON),,ETA) 4035500500012 (ASSUM2,92-U-233(N,F),,NU) 4035500500013 FLAG (1.) CS at 30 keV was measured by 224.9 g alloy, 4035500500014 U-235 weight 202.41g, 0.0122E+24nucl./cm**2 , 4035500500015 using the ASSUMED data . 4035500500016 ERR-ANALYS (ERR-S) Stat. error 1% 4035500500017 (ERR-1) Uncertainty of mean neutron number at 4035500500018 non-elastic event 2.5% 4035500500019 STATUS (TABLE) Tbl. 5 from SJA,2,9,1957 4035500500020 (DEP,40355007) Relative data . 4035500500021 HISTORY (20150210C) SD 4035500500022 (20161227A) EN -> EN-MEAN . SPA was added. 4035500500023 ENDBIB 21 0 4035500500024 COMMON 7 6 4035500500025 EN-NRM ASSUM1 ASSUM1-ERR ASSUM2 ASSUM2-ERR ERR-S 4035500500026 ERR-1 4035500500027 KEV PRT/REAC PRT/REAC PRT/FIS PRT/FIS PER-CENT 4035500500028 PER-CENT 4035500500029 30. 1.86 0.04 2.5 0.06 1. 4035500500030 2.5 4035500500031 ENDCOMMON 6 0 4035500500032 DATA 4 5 4035500500033 EN-MEAN DATA DATA-ERR FLAG 4035500500034 MEV B B NO-DIM 4035500500035 0.03 2.21 0.12 1. 4035500500036 0.25 1.28 0.08 4035500500037 0.90 1.24 0.08 4035500500038 2.00 1.22 0.08 4035500500039 5.00 1.37 0.13 4035500500040 ENDDATA 7 0 4035500500041 ENDSUBENT 40 0 4035500599999 SUBENT 40355006 20161227 41754035500600001 BIB 6 13 4035500600002 REACTION 1((92-U-233(N,F),,SIG,,SPA/RAW)// 4035500600003 (92-U-233(N,F),,SIG,,SPA/RAW)) 4035500600004 2((92-U-233(N,F),,SIG,,SPA)//(92-U-233(N,F),,SIG,,SPA)) 4035500600005 SAMPLE The fission chamber with U-233 contained about 20 mg. 4035500600006 The material was applied electrolytically on aluminum 4035500600007 sphere 37 mm in diam. and 0.5 mm thick. 4035500600008 CORRECTION2 See MISC-COL for corrections made. 4035500600009 MISC-COL (MISC2) Correction for the presence of 400 keV neutrons4035500600010 in Sb+Be source. 4035500600011 (MISC3) Correction for anisotropy and the finite size 4035500600012 of the sources. 4035500600013 STATUS (TABLE) Table 2 of SJA,2,9,1957 4035500600014 HISTORY (20161227C) M.M. Subent was added. 4035500600015 ENDBIB 13 0 4035500600016 COMMON 1 3 4035500600017 EN-DN 4035500600018 KEV 4035500600019 30. 4035500600020 ENDCOMMON 3 0 4035500600021 DATA 7 4 4035500600022 EN-NM DATA 1DATA-ERR 1DATA 2DATA-ERR 2MISC2 4035500600023 MISC3 4035500600024 MEV NO-DIM PER-CENT NO-DIM NO-DIM PER-CENT 4035500600025 PER-CENT 4035500600026 0.25 0.73 2. 0.69 0.02 -3. 4035500600027 -3. 4035500600028 0.90 0.62 2. 0.60 0.02 -3. 4035500600029 -1. 4035500600030 2. 0.63 2. 0.61 0.02 -3. 4035500600031 4035500600032 5. 0.67 1.5 0.64 0.02 -3. 4035500600033 4035500600034 ENDDATA 12 0 4035500600035 ENDSUBENT 34 0 4035500699999 SUBENT 40355007 20161227 41754035500700001 BIB 6 15 4035500700002 REACTION 1((92-U-235(N,F),,SIG,,SPA/RAW)// 4035500700003 (92-U-235(N,F),,SIG,,SPA/RAW)) 4035500700004 2((92-U-235(N,F),,SIG,,SPA)//(92-U-235(N,F),,SIG,,SPA)) 4035500700005 SAMPLE The fission chamber with U-235 contained about 20 mg. 4035500700006 The material was applied electrolytically on aluminum 4035500700007 sphere 37 mm in diam. and 0.5 mm thick. 4035500700008 10% contamination of U-238. 4035500700009 CORRECTION2 See MISC-COL for corrections made. 4035500700010 MISC-COL (MISC1) Correction for contamination by U238 and Pu240 4035500700011 (MISC2) Correction for the presence of 400 keV neutrons4035500700012 in Sb+Be source. 4035500700013 (MISC3) Correction for anisotropy and the finite size 4035500700014 of the sources. 4035500700015 STATUS (TABLE) Table 2 of SJA,2,9,1957 4035500700016 HISTORY (20161227C) M.M. Subent was added. 4035500700017 ENDBIB 15 0 4035500700018 COMMON 1 3 4035500700019 EN-DN 4035500700020 KEV 4035500700021 30. 4035500700022 ENDCOMMON 3 0 4035500700023 DATA 8 4 4035500700024 EN-NM DATA 1DATA-ERR 1DATA 2DATA-ERR 2MISC1 4035500700025 MISC2 MISC3 4035500700026 MEV NO-DIM PER-CENT NO-DIM NO-DIM PER-CENT 4035500700027 PER-CENT PER-CENT 4035500700028 0.25 0.62 1.5 0.58 0.01 4035500700029 -4. -3. 4035500700030 0.90 0.59 1.5 0.56 0.01 4035500700031 -4. -1. 4035500700032 2. 0.59 3. 0.55 0.02 -2.5 4035500700033 -4. 4035500700034 5. 0.68 2. 0.62 0.02 -4. 4035500700035 -4. 4035500700036 ENDDATA 12 0 4035500700037 ENDSUBENT 36 0 4035500799999 SUBENT 40355008 20161227 41754035500800001 BIB 6 16 4035500800002 REACTION 1((94-PU-239(N,F),,SIG,,SPA/RAW)// 4035500800003 (94-PU-239(N,F),,SIG,,SPA/RAW))) 4035500800004 2((94-PU-239(N,F),,SIG,,SPA)// 4035500800005 (94-PU-239(N,F),,SIG,,SPA)) 4035500800006 SAMPLE The fission chamber with Pu-239 contained about 1.5 mg 4035500800007 The material was applied electrolytically on aluminum 4035500800008 sphere 37 mm in diam. and 0.5 mm thick. 4035500800009 2% contamination of Pu-240. 4035500800010 CORRECTION2 See MISC-COL for corrections made. 4035500800011 MISC-COL (MISC1) Correction for contamination by U238 and Pu240 4035500800012 (MISC2) Correction for the presence of 400 keV neutrons4035500800013 in Sb+Be source. 4035500800014 (MISC3) Correction for anisotropy and the finite size 4035500800015 of the sources. 4035500800016 STATUS (TABLE) Table 2 of SJA,2,9,1957 4035500800017 HISTORY (20161227C) M.M. Subent was added. 4035500800018 ENDBIB 16 0 4035500800019 COMMON 1 3 4035500800020 EN-DN 4035500800021 KEV 4035500800022 30. 4035500800023 ENDCOMMON 3 0 4035500800024 DATA 8 4 4035500800025 EN-NM DATA 1DATA-ERR 1DATA 2DATA-ERR 2MISC1 4035500800026 MISC2 MISC3 4035500800027 MEV NO-DIM PER-CENT NO-DIM NO-DIM PER-CENT 4035500800028 PER-CENT PER-CENT 4035500800029 0.25 0.92 1.5 0.88 0.02 4035500800030 -1. -3. 4035500800031 0.90 1.03 2. 1.00 0.03 -1.3 4035500800032 -1. -1. 4035500800033 2. 1.06 3. 1.04 0.04 -1.3 4035500800034 -1. 4035500800035 5. 1.21 1.5 1.17 0.03 -1.3 4035500800036 -1. 4035500800037 ENDDATA 12 0 4035500800038 ENDSUBENT 37 0 4035500899999 ENDENTRY 8 0 4035599999999