ENTRY 40025 20181217 41814002500000001 SUBENT 40025001 20181217 41814002500100001 BIB 10 37 4002500100002 INSTITUTE (4ZZZDUB) Kurov, Ryabov, So Tong Hsik, Chikov 4002500100003 (4RUSFEI) Kononov, Poletaev, Stavisskiy, Prokopets 4002500100004 REFERENCE (J,SJA,30,446,1971) Engl.translation of: 4002500100005 (J,AE,30,362,1971) 4002500100006 (C,70HELSINKI,1,345,1970) Data tables are given 4002500100007 (R,YFI-11,35,1971) 4002500100008 (R,INDC(CCP)-0031,34,1972) 4002500100009 Engl translation of YFI-11,35,1971 and JINR-P3-5112 4002500100010 (R,JINR-P3-5112,1970) 4002500100011 AUTHOR (M.A.Kurov, Yu.V.Ryabov, So Tong Hsik ,N.Chikov, 4002500100012 V.N.Kononov ,E.D.Poletaev, Yu.S.Prokopets, 4002500100013 Yu.Ya.Stavisskii) 4002500100014 TITLE Measurement of the ratio of the cross sections for 4002500100015 radiative capture and fission (alpha) for Pu239 in the 4002500100016 neutron energy range 0.1 - 30 keV 4002500100017 INC-SOURCE (REAC) 4002500100018 SAMPLE Thin sample for registration of fission events and 4002500100019 thick sample for registration of capture events 4002500100020 DETECTOR (FISCH) Fission chamber with thin sample of Pu-239 4002500100021 (STANK) Liquid scintillation detector (thick 4002500100022 sample 94-Pu-239) with volume 500 l and introduction 4002500100023 cadmium into solution for background decrease of 4002500100024 neutrons scattered by sample 4002500100025 CORRECTION Corrections were introduced for background which was 4002500100026 determined experimentally by means of absorbing 4002500100027 resonance filters (Na 2.85 keV, Mn 0.337 keV, 4002500100028 Co 0.132 keV, Ag 5.2 eV) for energy < ~5 keV 4002500100029 COMMENT ALPHA-values are averaged over energy intervals. 4002500100030 Geometry was approximately 4PI geometry 4002500100031 HISTORY (19700814C) 4002500100032 (19860414U) Some corrections were made 4002500100033 (19980122U) Corrected in CJD 4002500100034 (20181217A) M.M. Upper -> lower case correction. 4002500100035 Dates were corrected for 4-digits year. 4002500100036 Refs. J,SJA and J,AE were added. 4002500100037 BIB information was updated. 4002500100038 Subent 005 was added 4002500100039 ENDBIB 37 0 4002500100040 NOCOMMON 0 0 4002500100041 ENDSUBENT 40 0 4002500199999 SUBENT 40025002 20181217 41814002500200001 BIB 7 21 4002500200002 REACTION (94-PU-239(N,ABS),,ALF,,AV) Averaged over energy 4002500200003 interval given in data section 4002500200004 FACILITY (REAC,4ZZZDUB) Fast pulsed reactor 4002500200005 METHOD (TOF) Time of flight method with flight path 250m 4002500200006 and resolution 220 nsec/m 4002500200007 MONITOR (92-U-235(N,0),,EN)Determination of ALPHA was carried 4002500200008 out on 12 well resolved resonances 4002500200009 See Table 4 of Soviet Atomic Energy,30,446,1971 4002500200010 ERR-ANALYS (DATA-ERR) There is taken into account statistical 4002500200011 errors and errors connected with 4002500200012 normalization of the alpha-value 4002500200013 Value of ALF Error associated with calibration 4002500200014 0.2 35. % 4002500200015 0.5 14.8 % 4002500200016 1. 7.4 % 4002500200017 1.5 4.9 % 4002500200018 STATUS (TABLE) Table 5 of J.Soviet Atomic Energy,30,446,1971 4002500200019 (COREL,40024003) Data of Table 2 of Rep.YFI-11,35,1971 4002500200020 (COREL,40025003) resolution 15 nsec/m 4002500200021 This Subent supersedes 41275009 4002500200022 HISTORY (19980122U) Correlation to other data given 4002500200023 ENDBIB 21 0 4002500200024 COMMON 1 3 4002500200025 EN-RSL 4002500200026 NSEC/M 4002500200027 250. 4002500200028 ENDCOMMON 3 0 4002500200029 DATA 4 19 4002500200030 EN-MIN EN-MAX DATA DATA-ERR 4002500200031 KEV KEV NO-DIM NO-DIM 4002500200032 0.1 0.2 0.73 0.05 4002500200033 0.2 0.3 0.72 0.16 4002500200034 0.3 0.4 0.82 0.23 4002500200035 0.4 0.5 0.60 0.12 4002500200036 0.5 0.6 0.70 0.10 4002500200037 0.6 0.7 0.92 0.21 4002500200038 0.7 0.8 0.70 0.16 4002500200039 0.8 0.9 0.63 0.14 4002500200040 0.9 1.0 0.65 0.15 4002500200041 1.0 2.0 0.78 0.13 4002500200042 2.0 3.0 0.83 0.14 4002500200043 3.0 4.0 0.77 0.11 4002500200044 4.0 5.0 0.71 0.08 4002500200045 5.0 6.0 0.65 0.09 4002500200046 6.0 7.0 0.59 0.10 4002500200047 7.0 8.0 0.44 0.08 4002500200048 8.0 9.1 0.43 0.08 4002500200049 9.1 10.1 0.46 0.09 4002500200050 10.1 29.5 0.36 0.08 4002500200051 ENDDATA 21 0 4002500200052 ENDSUBENT 51 0 4002500299999 SUBENT 40025003 20181217 41814002500300001 BIB 6 17 4002500300002 REACTION (94-PU-239(N,ABS),,ALF,,AV) 4002500300003 FACILITY (REAC,4ZZZDUB) Fast pulsed reactor with microtron 4002500300004 METHOD (TOF) Time of flight method with flight path 250m 4002500300005 and resolution 15 nsec/m 4002500300006 ERR-ANALYS (DATA-ERR) Errors given here characterize mean-square 4002500300007 scatter data of the three series of the 4002500300008 measurements 4002500300009 Value of ALF Error associated with calibration 4002500300010 0.2 35. % 4002500300011 0.5 14.8 % 4002500300012 1. 7.4 % 4002500300013 1.5 4.9 % 4002500300014 STATUS (TABLE) Table 5 of J.Soviet Atomic Energy,30,446,1971 4002500300015 (COREL,40024003) Data of Table 2 of rep.YFI-11,35,1971 4002500300016 (COREL,40025002) resolution 220 nsec/m 4002500300017 This Subent supersedes 41275009 4002500300018 HISTORY (19980122U) Correlation to other data given 4002500300019 ENDBIB 17 0 4002500300020 COMMON 1 3 4002500300021 EN-RSL 4002500300022 NSEC/M 4002500300023 15. 4002500300024 ENDCOMMON 3 0 4002500300025 DATA 4 19 4002500300026 EN-MIN EN-MAX DATA DATA-ERR 4002500300027 KEV KEV NO-DIM NO-DIM 4002500300028 0.1 0.2 0.71 0.07 4002500300029 0.2 0.3 1.31 0.23 4002500300030 0.3 0.4 1.71 0.28 4002500300031 0.4 0.5 0.48 0.16 4002500300032 0.5 0.6 0.68 0.10 4002500300033 0.6 0.7 0.75 0.13 4002500300034 0.7 0.8 1.03 0.07 4002500300035 0.8 0.9 0.68 0.14 4002500300036 0.9 1.0 0.48 0.11 4002500300037 1.0 2.0 0.65 0.14 4002500300038 2.0 3.0 0.89 0.14 4002500300039 3.0 4.0 0.67 0.08 4002500300040 4.0 5.0 0.95 0.08 4002500300041 5.0 6.0 0.90 0.05 4002500300042 6.0 7.0 0.97 0.08 4002500300043 7.0 8.0 0.46 0.07 4002500300044 8.0 9.1 0.49 0.06 4002500300045 9.1 10.1 0.43 0.06 4002500300046 10.1 29.5 0.48 0.10 4002500300047 ENDDATA 21 0 4002500300048 ENDSUBENT 47 0 4002500399999 SUBENT 40025004 20181217 41814002500400001 BIB 5 7 4002500400002 REACTION (92-U-235(N,F),,RI,,LIM) 4002500400003 DETECTOR (STANK) Liquid scintillation counter 4002500400004 ERR-ANALYS (DATA-ERR) Type of error is not explained in the 4002500400005 article 4002500400006 STATUS (TABLE) Data taken from Table 4 of rep.YFI-11,35,1971 4002500400007 (COREL,41275004) Data of previous measurement. 4002500400008 HISTORY (19980228C) Compiled at the center - CJD 4002500400009 ENDBIB 7 0 4002500400010 COMMON 1 3 4002500400011 DATA-ERR 4002500400012 PER-CENT 4002500400013 3. 4002500400014 ENDCOMMON 3 0 4002500400015 DATA 3 20 4002500400016 EN-MIN EN-MAX DATA 4002500400017 EV EV B 4002500400018 1.3000E+00 1.8000E+00 5.8000E+00 4002500400019 1.8000E+00 4.5000E+00 1.6390E+01 4002500400020 4.5000E+00 5.0000E+00 8.9000E-01 4002500400021 5.0000E+00 7.4000E+00 9.7000E+00 4002500400022 7.4000E+00 1.0000E+01 2.1930E+01 4002500400023 1.0000E+01 1.5000E+01 1.5990E+01 4002500400024 1.5000E+01 2.0500E+01 1.5270E+01 4002500400025 2.0500E+01 3.3000E+01 1.6190E+01 4002500400026 3.3000E+01 4.1000E+01 1.2790E+01 4002500400027 4.1000E+01 6.0000E+01 1.5870E+01 4002500400028 6.0000E+01 7.3000E+01 4.5600E+00 4002500400029 7.3000E+01 1.0000E+02 8.0700E+00 4002500400030 1.0000E+02 1.1300E+02 2.2200E+00 4002500400031 1.1300E+02 2.0000E+02 1.2050E+01 4002500400032 2.0000E+02 3.0000E+02 8.3300E+00 4002500400033 3.0000E+02 1.0000E+03 1.4610E+01 4002500400034 1.0000E+03 3.0000E+03 7.6100E+00 4002500400035 3.0000E+03 1.0000E+04 4.7200E+00 4002500400036 1.0000E+04 2.0000E+04 2.0900E+00 4002500400037 2.0000E+04 3.0000E+04 1.8400E+00 4002500400038 ENDDATA 22 0 4002500400039 ENDSUBENT 38 0 4002500499999 SUBENT 40025005 20181217 41814002500500001 BIB 8 16 4002500500002 REACTION (94-PU-239(N,F),,SIG,,AV) 4002500500003 Resolution 15 nsec/m 4002500500004 FACILITY (REAC,4ZZZDUB) Fast pulsed reactor with microtron 4002500500005 ANALYSIS Normalization was done by known low-lying resonances 4002500500006 SIg0*GAMMAfis ,known with 2% accuracy, from 3 rel.refs.4002500500007 REL-REF (R,,H.Darrien+,C,66PARIS,11,195,1966) 4002500500008 Nuclear data for reactors, v.11,p.195,IAEA,Vienna,19674002500500009 (R,,Yu.V.Ryabov+,J,YF,5,925,1967) 4002500500010 (R,,Yu.V.Ryabov+,J,SNP,5,657,1967) 4002500500011 Engl.translation of Yad.Fiz. 4002500500012 (R,,,R,BNL-325,1965) Suppl.2 4002500500013 (A,,G.James+,R,AERE-M-2068,1968) See MISC 4002500500014 MISC-COL (MISC) Data from rel.ref. of G.James 4002500500015 ERR-ANALYS (ERR-S,5.,15.) Statistical error 4002500500016 STATUS (TABLE) Table 2 of J.Soviet Atomic Energy,30,446,1971 4002500500017 HISTORY (20181217C) M.M. 4002500500018 ENDBIB 16 0 4002500500019 COMMON 1 3 4002500500020 EN-RSL 4002500500021 NSEC/M 4002500500022 15. 4002500500023 ENDCOMMON 3 0 4002500500024 DATA 4 20 4002500500025 EN-MIN EN-MAX DATA MISC 4002500500026 KEV KEV B B 4002500500027 0.1 0.2 21.63 4002500500028 0.2 0.3 18.78 4002500500029 0.3 0.4 7.30 4002500500030 0.4 0.5 12.30 4002500500031 0.5 0.6 18.33 4002500500032 0.6 0.7 7.34 4002500500033 0.7 0.8 6.57 4002500500034 0.8 0.9 7.03 4002500500035 0.9 1.0 10.93 4002500500036 1.0 2.0 5.56 3.85 4002500500037 2.0 3.0 3.61 3.07 4002500500038 3.0 4.0 3.65 2.95 4002500500039 4.0 5.0 2.65 2.45 4002500500040 5.0 6.0 2.36 2.50 4002500500041 6.0 7.0 2.13 2.19 4002500500042 7.0 8.0 2.55 2.14 4002500500043 8.0 9.1 2.32 2.25 4002500500044 9.1 10.1 2.22 2.06 4002500500045 10.1 20. 2.09 1.71 4002500500046 20. 29.6 2.05 1.57 4002500500047 ENDDATA 22 0 4002500500048 ENDSUBENT 47 0 4002500599999 ENDENTRY 5 0 4002599999999