ENTRY 40140 20150109 41724014000000001 SUBENT 40140001 20150109 41724014000100001 BIB 11 29 4014000100002 INSTITUTE (4RUSFEI) 4014000100003 REFERENCE (J,SJA,33,875,1972) Eng.trans.of AE,33,767,1972 4014000100004 (J,AE,33,(3),767,197209) 4014000100005 AUTHOR (L.I.Prokhorova,V.G.Nesterov,G.N.Smirenkin,G.V.Grishin,4014000100006 E.A.Nikitin,V.N.Polynov,V.V.Rachev) 4014000100007 TITLE Neutron yield from spontaneous fission of even-even 4014000100008 curium isotopes 4014000100009 METHOD (COINC) The measurements consisted in counting the 4014000100010 coincidences between the impulses from neutron 4014000100011 detectors and fission frag.detectors 4014000100012 DETECTOR (LONGC) Long counter for recording of neutrons. Long 4014000100013 counter consists of 24 He-3 counters, which are placed 4014000100014 into cylindrical paraffin block. For recording of 4014000100015 fission fragments ionization chamber used. 4014000100016 MONITOR (98-CF-252(0,F),,NU) 4014000100017 relative measurements. 4014000100018 The value of nu for Cf-252 is used as standard. 4014000100019 MONIT-REF ((MONIT),C.Hanna+,J,REA,7,4,1969) 4014000100020 ERR-ANALYS (DATA-ERR) In the paper the mean-square errors are 4014000100021 given. The error of standard was not taken into account4014000100022 STATUS (TABLE) Table 1 from SJA,33,875,1972 4014000100023 HISTORY (19730320C) 4014000100024 (20150109A) SD: Updated to new date formats,lower case.4014000100025 Ref. on Engl.transl. of AE added. DATA units in 4014000100026 Subents 2-4 changed (NO-DIM -> PRT/FIS). SAMPLE was 4014000100027 added in Subents 2-4. 4014000100028 (20151021A) M.M. Article was checked, BIB information 4014000100029 was updated in TITLE, DECAY-DATA. 4014000100030 MONIT-REF,REL-REF,COMMENT were added. 4014000100031 ENDBIB 29 0 4014000100032 COMMON 1 3 4014000100033 MONIT 4014000100034 NO-DIM 4014000100035 3.756 4014000100036 ENDCOMMON 3 0 4014000100037 ENDSUBENT 36 0 4014000199999 SUBENT 40140002 20150109 41724014000200001 BIB 4 34 4014000200002 REACTION (96-CM-244(0,F),,NU) 4014000200003 SAMPLE (96-CM-244,ENR=1.00) 0.9 mu-g. Isotopic composition: 4014000200004 Cm-244 ~ 100.% 4014000200005 Admixture of odd isotopes, which make no significant 4014000200006 contribution to the number of spontaneous fissions, 4014000200007 is not shown. 4014000200008 REL-REF (A,,D.A.Hicks+,J,PR,98,1521,1955) 4014000200009 2.83+-0.12 4014000200010 (A,13717001,W.W.T.Crane+,J,PR,101,1804,1956) 4014000200011 2.784+-0.070 4014000200012 (A,12337001,B.C.Diven+,J,PR,101,1012,1956) 4014000200013 2.677+-0.056 4014000200014 (A,13715001,D.A.Hicks+,J,PR,101,1016,1956) 4014000200015 2.709+-0.064 4014000200016 (A,40219001,V.I.Bol'shov+,J,AE,17,(1),28,1964) 4014000200017 2.690+-0.039 4014000200018 (A,10125006,E.H.Yaffey+,J,NP/A,145,1,1970) 2.693+-0.0244014000200019 (A,40064001,Yu.S.Zamyatnin+,C,70HELSINKI,2,183,1970) 4014000200020 Nuclear Data for Reactors, vol.II,IAEA,p.183,1970 - 4014000200021 STI/PUB/259 by IAEA 4014000200022 2.750+-0.080 4014000200023 1(A,,L.I.Prokhorova+,J,AE,30,250,1971) 40033 - U-235 4014000200024 2.671+-0.015 4014000200025 Weighted mean (including this work)- 2.690+-0.009 n/fis4014000200026 COMMENT 1 Of compiler M.M. 4014000200027 - REL-REF 1970 [7] (=L.I.Prokhorova+,J,AE,30,250,1971)4014000200028 is given in Table 2 of SJA,33,875,1972 for NU of Cu-2444014000200029 2.671+-0.015, but this rel.ref.[7] is of 1971, but not 4014000200030 of 1970, and does not contain data for Cm-244. 4014000200031 - Ref. of 1964 [16] is really [6] with misprint in 4014000200032 author's name - V.I.Pol'shov -> V.I.Bol'shov . 4014000200033 - Values of NU (given in Table 2, see REL-REFs) are 4014000200034 re-normalized values; primarily measured values ( see 4014000200035 Entries in REL-REFs) differs from given in Table 2. 4014000200036 ENDBIB 34 0 4014000200037 NOCOMMON 0 0 4014000200038 DATA 2 1 4014000200039 DATA DATA-ERR 4014000200040 PRT/FIS PRT/FIS 4014000200041 2.700 0.014 4014000200042 ENDDATA 3 0 4014000200043 ENDSUBENT 42 0 4014000299999 SUBENT 40140003 20150109 41724014000300001 BIB 3 8 4014000300002 REACTION (96-CM-246(0,F),,NU) 4014000300003 SAMPLE (96-CM-246,ENR=0.994) 1.9 mu-g. Isotopic composition: 4014000300004 Cm-244 ~ 0.6%, Cm-246 - 99.4%. 4014000300005 Admixture of odd isotopes, which make no significant 4014000300006 contribution to the number of spontaneous fissions, 4014000300007 is not shown. 4014000300008 REL-REF (D,,M.C.Thompson,J,PR/C,2,763,1970) 4014000300009 Lower than 3.19+-0.22 prt/fis 4014000300010 ENDBIB 8 0 4014000300011 NOCOMMON 0 0 4014000300012 DATA 2 1 4014000300013 DATA DATA-ERR 4014000300014 PRT/FIS PRT/FIS 4014000300015 2.950 0.015 4014000300016 ENDDATA 3 0 4014000300017 ENDSUBENT 16 0 4014000399999 SUBENT 40140004 20150109 41724014000400001 BIB 3 8 4014000400002 REACTION (96-CM-248(0,F),,NU) 4014000400003 SAMPLE (96-CM-248,ENR=0.922) 1.3 mu-g. Isotopic composition: 4014000400004 Cm-244 - 5.6%, Cm-246 - 2.0%, Cm-248 - 92.2%. 4014000400005 Admixture of odd isotopes, which make no significant 4014000400006 contribution to the number of spontaneous fissions, 4014000400007 is not shown. 4014000400008 REL-REF (A,,C.Orth,J,NSE,43,54,1971) Agree within exp.errors 4014000400009 with 3.11+-0.09 prt/fis 4014000400010 ENDBIB 8 0 4014000400011 NOCOMMON 0 0 4014000400012 DATA 2 1 4014000400013 DATA DATA-ERR 4014000400014 PRT/FIS PRT/FIS 4014000400015 3.157 0.015 4014000400016 ENDDATA 3 0 4014000400017 ENDSUBENT 16 0 4014000499999 ENDENTRY 4 0 4014099999999