ENTRY 40911 20211201 42014091100000001 SUBENT 40911001 20211201 42014091100100001 BIB 12 58 4091100100002 TITLE Absolute measurements of the fission cross-sections 4091100100003 for some heavy isotopes by the neutrons with energies 4091100100004 2.6, 8.4, 14.7 MeV 4091100100005 AUTHOR (I.D.Alkhazov, E.A.Ganza, L.V.Drapchinskiy, V.N.Dushin,4091100100006 S.S.Kovalenko, O.I.Kostochkin, K.A.Petrzhak, 4091100100007 A.V.Fomichev, V.I.Shpakov, R.Arlt, W.Wagner, M.Josch, 4091100100008 G.Musiol, H.-G.Ortlepp, G.Pausch) 4091100100009 INSTITUTE (4RUSRI ) 4091100100010 (2GERDRE) Former 3DDRTUD 4091100100011 REFERENCE (C,83MOSKVA,2,201,1983) Proceedings (Materialy) of the 4091100100012 3-d All-Union Conference on the 4091100100013 Neutron Radiation Metrology at 4091100100014 Reactors and Accelerators, 4091100100015 Moscow, CNIIAtomInform, 1983 4091100100016 REL-REF (O,40547015,V.M.Adamov+,C,79KNOX,,995,1979) 4091100100017 U-238(N,F),,SIG measured in 4RUSRI, 4091100100018 1.178+-0.024 b at energy region 14.5 - 14.7 MeV 4091100100019 in Table 3 of Conf.Proc.83MOSKVA,v.2,p.201,1983; 4091100100020 1.178+-0.024 b at 14.7+-0.2 MeV in C,79KNOX,,995,1979 4091100100021 INC-SOURCE (D-T,D-D) 4091100100022 MONITOR Absolute measurements 4091100100023 METHOD (ASSOP) Method of the associated particles - 4091100100024 neutrons and He-4/He-3 from T(d,n)He-4 and D(d,n)He-4 4091100100025 reactions. 4091100100026 Coincidence between fission and associated particles. 4091100100027 ANALYSIS CS was determined by formula: 4091100100028 SIG=Nc/(Nap*Nnucl), where 4091100100029 Nc - number of coincidences, 4091100100030 Nap - number of associated particles, 4091100100031 Nnucl - number of nuclei per 1 cm2 in sample. 4091100100032 CORRECTION - on the neutron flux attenuation - 1. to 3. %, 4091100100033 - on the background in the associated particles 4091100100034 channel - 0.3 to 3. %, 4091100100035 on the zero-threshold suppression extrapolation - 4091100100036 0.5 to 1.5 %, 4091100100037 - on the fission-fragments absorption in a layer -1.%, 4091100100038 - on the random coincidence - 2.5 %. 4091100100039 ERR-ANALYS (ERR-T) Total uncertainty. 4091100100040 Sources of uncertainty: 4091100100041 Neutron beam on sample: 4091100100042 (ERR-1,0.2,0.5) the neutron flux attenuation 4091100100043 (ERR-2,0.1,0.5) the associated particles background 4091100100044 (ERR-3,0.5,1.0) the sample non-uniformity 4091100100045 Determination of fission events: 4091100100046 (ERR-4,0.2,0.7) the zero-threshold suppression 4091100100047 extrapolation 4091100100048 (ERR-5,0.2,0.3) the fission-fragments absorption in 4091100100049 a layer 4091100100050 Other: 4091100100051 (ERR-6,0.5,1.0) the coincidence statistics 4091100100052 (ERR-7,0.2,0.5) the random coincidences correction 4091100100053 (ERR-8,0.7,1.0) the number of the nuclei in the sample 4091100100054 HISTORY (19861212C) Compiled at the CJD 4091100100055 (20040517A) Date is corrected 4091100100056 (20211201A) M.M. Correction for current rules and 4091100100057 dictionaries. 4091100100058 Subent 004 was deleted according to request of 4091100100059 N.Otsuka (NDS,IAEA), see also REL-REF. 4091100100060 ENDBIB 58 0 4091100100061 NOCOMMON 0 0 4091100100062 ENDSUBENT 61 0 4091100199999 SUBENT 40911002 20211201 42014091100200001 BIB 3 5 4091100200002 REACTION (92-U-235(N,F),,SIG) 4091100200003 FLAG (1.) Table 3, measurement in 4RUSRI 4091100200004 (2.) Table 4, exp. year 1980-1981 4091100200005 STATUS (TABLE) Tables 3,4 of Conf.Proc.83MOSKVA,v.2,p.201,19834091100200006 (SPSDD,41013004) Later (1988 year) publication 4091100200007 ENDBIB 5 0 4091100200008 NOCOMMON 0 0 4091100200009 DATA 4 3 4091100200010 EN DATA ERR-T FLAG 4091100200011 MEV B B NO-DIM 4091100200012 2.6 1.214 0.018 2. 4091100200013 8.4 1.801 0.043 2. 4091100200014 14.6 2.086 1. 4091100200015 ENDDATA 5 0 4091100200016 ENDSUBENT 15 0 4091100299999 SUBENT 40911003 20211201 42014091100300001 BIB 3 5 4091100300002 REACTION (92-U-233(N,F),,SIG) 4091100300003 EXP-YEAR (1980) 1980-1981 4091100300004 STATUS (TABLE) Table 4 of Conf.Proc.83MOSKVA,v.2,p.201,1983 4091100300005 (COREL,40547011) Previous measurement, publication at 4091100300006 1979 year. 4091100300007 ENDBIB 5 0 4091100300008 NOCOMMON 0 0 4091100300009 DATA 3 1 4091100300010 EN DATA ERR-T 4091100300011 MEV B B 4091100300012 14.7 2.244 .042 4091100300013 ENDDATA 3 0 4091100300014 ENDSUBENT 13 0 4091100399999 NOSUBENT 40911004 20211201 42014091100400001 SUBENT 40911005 20211201 42014091100500001 BIB 3 4 4091100500002 REACTION (92-U-238(N,F),,SIG) 4091100500003 COMMENT .Measured in 2GERDRE, former 3DDRTUD 4091100500004 STATUS (TABLE) Table 3 of Conf.Proc.83MOSKVA,v.2,p.201,1983 4091100500005 (SPSDD,22304007) 4091100500006 ENDBIB 4 0 4091100500007 NOCOMMON 0 0 4091100500008 DATA 3 1 4091100500009 EN DATA ERR-T 4091100500010 MEV B B 4091100500011 14.7 1.166 0.021 4091100500012 ENDDATA 3 0 4091100500013 ENDSUBENT 12 0 4091100599999 SUBENT 40911006 20211201 42014091100600001 BIB 3 3 4091100600002 REACTION (93-NP-237(N,F),,SIG) 4091100600003 EXP-YEAR (1980) 1980-1981 4091100600004 STATUS (TABLE) Table 4 of Conf.Proc.83MOSKVA,v.2,p.201,1983 4091100600005 ENDBIB 3 0 4091100600006 NOCOMMON 0 0 4091100600007 DATA 3 2 4091100600008 EN DATA ERR-T 4091100600009 MEV B B 4091100600010 8.4 2.163 0.045 4091100600011 14.7 2.210 0.024 4091100600012 ENDDATA 4 0 4091100600013 ENDSUBENT 12 0 4091100699999 SUBENT 40911007 20211201 42014091100700001 BIB 4 6 4091100700002 REACTION (94-PU-239(N,F),,SIG) 4091100700003 EXP-YEAR (1980) 1980-1981 4091100700004 STATUS (TABLE) Table 4 of Conf.Proc.83MOSKVA,v.2,p.201,1983 4091100700005 (COREL,40547017) Previous measurement, publication at 4091100700006 1979 year. 4091100700007 HISTORY (20211201A) (SPSDD,22304007) was deleted. 4091100700008 ENDBIB 6 0 4091100700009 NOCOMMON 0 0 4091100700010 DATA 3 1 4091100700011 EN DATA ERR-T 4091100700012 MEV B B 4091100700013 14.7 2.309 0.028 4091100700014 ENDDATA 3 0 4091100700015 ENDSUBENT 14 0 4091100799999 SUBENT 40911008 20211201 42014091100800001 BIB 3 5 4091100800002 REACTION (94-PU-242(N,F),,SIG) 4091100800003 EXP-YEAR (1980) 1980-1981 4091100800004 STATUS (TABLE) Table 4 of Conf.Proc.83MOSKVA,v.2,p.201,1983 4091100800005 (COREL,40547024) Previous measurement, publication at 4091100800006 1979 year. 4091100800007 ENDBIB 5 0 4091100800008 NOCOMMON 0 0 4091100800009 DATA 3 1 4091100800010 EN DATA ERR-T 4091100800011 MEV B B 4091100800012 14.7 2.143 .102 4091100800013 ENDDATA 3 0 4091100800014 ENDSUBENT 13 0 4091100899999 ENDENTRY 8 0 4091199999999