ENTRY 40523 20200319 41864052300000001 SUBENT 40523001 20200319 41864052300100001 BIB 12 53 4052300100002 INSTITUTE (4RUSKUR) 4052300100003 REFERENCE ((R,YK-23,3,1976)= 4052300100004 (R,INDC(CCP)-106,3,1976)) The same as YK. In Russian. 4052300100005 Data for curium isotopes are given 4052300100006 ((C,75KIEV,5,186,1975)= 4052300100007 (R,INDC(CCP)-099,(5),186,1975)) vol.5. 4052300100008 Data for Pu-239,U-235,Cm-244,Cm-248. 4052300100009 In Russian. Will be available at NDS web-site. 4052300100010 REL-REF (N,40262001,M.V.Savin+,J,YF,16,1161,1972) 4052300100011 Details of errors. U-235 data. 4052300100012 (N,40262001,M.V.Savin,J,SNP,16,638,1973) 4052300100013 Engl.translation of J,YF,16,1161 . 4052300100014 (M,,M.V.Savin+,J,PTE,,(6),27,1969) Exp. method 4052300100015 (M,,M.V.Savin+,J,IET,,,1969) 4052300100016 Engl.translation of PTE,6,27,1969 4052300100017 (O,40262001,Yu.A.Khokhlov+,C,75KIEV,5,186,1975) 4052300100018 See data for U-235 (Table 2 of C,75KIEV,5,186,1975) . 4052300100019 AUTHOR (Yu.A.Khokhlov,M.V.Savin,V.N.Ludin,B.L.Lebedev) 4052300100020 TITLE Average number of prompt neutrons arising at 4052300100021 spontaneous fission of Cm-244, Cm-246, Cm-248 4052300100022 METHOD (TOF) Time-of-flight method for NU-measurement 4052300100023 of Pu-239 4052300100024 (COINC) Method of delayed coincidence 4052300100025 DETECTOR (FISCH) Fission chamber for FF of curium 4052300100026 (SCIN) Liquid scintillation detector, Volume 400 l, 4052300100027 registration efficiency near 54% for curium, 4052300100028 near 70% for plutonium. 4052300100029 (BF3) Boron counters with organic moderator, 4052300100030 registration efficiency near 30% for curium. 4052300100031 MONITOR ((MONIT)98-CF-252(0,F),,NU) 4052300100032 Average number (Nu-bar) of 4052300100033 prompt neutrons per fission of californium-252 was 4052300100034 used to define registration efficiency. 4052300100035 PART-DET (G) 4052300100036 (FF) 4052300100037 (N) 4052300100038 CORRECTION Corrections were introduced on the dead-time of 4052300100039 analyzer, uncertainty of isotope content and 4052300100040 fission-spectra differences of nucleus in question 4052300100041 and monitor nucleus Cf-252 4052300100042 ERR-ANALYS (DATA-ERR) Statistical errors,including detector 4052300100043 efficiency error. 4052300100044 For Pu-239 also systematic errors included. 4052300100045 HISTORY (19771212C) Compiled at the centre 4052300100046 (20060814A) M.M.Misprints in Subent 002 were corrected.4052300100047 Some BIB Information, Common of Sun.002 were added. 4052300100048 (20130920A) INC-SOURCE was deleted from Subent 001. 4052300100049 References of Engl.translations were added. 4052300100050 BIB information was updated. 4052300100051 Ref. J,YF,16,1161,1972 was moved in REL-REF. 4052300100052 (20180223U) Rel.ref. PTE was corrected. 4052300100053 (20200319U) Refs. were corrected by "=". 4052300100054 Free text was corrected in STATUS. 4052300100055 ENDBIB 53 0 4052300100056 NOCOMMON 0 0 4052300100057 ENDSUBENT 56 0 4052300199999 SUBENT 40523002 20200319 41864052300200001 BIB 5 13 4052300200002 REACTION (94-PU-239(N,F),PR,NU) 4052300200003 FACILITY (LINAC) Electron linear accelerator. 4052300200004 MISC-COL (MISC1) Parameter G2, defined by formula: 4052300200005 G2= ( - )/**2 . 4052300200006 < > means "average" . 4052300200007 (MISC2) Dispersion of neutron multiplicity distribution4052300200008 was defined by formula: 4052300200009 - (1-G2)***2 4052300200010 CORRECTION For dependence of fission events registration from 4052300200011 neutrons number -0.5%. 4052300200012 For neutron multiplication - 3% in G2. 4052300200013 STATUS (TABLE) From Table 2 of INDC(CCP)-099,(5),186,1975 4052300200014 (PRELM) Preliminary data. 4052300200015 ENDBIB 13 0 4052300200016 COMMON 1 3 4052300200017 MONIT 4052300200018 NO-DIM 4052300200019 3.756 4052300200020 ENDCOMMON 3 0 4052300200021 DATA 7 2 4052300200022 EN DATA DATA-ERR MISC1 MISC1-ERR MISC2 4052300200023 MISC2-ERR 4052300200024 MEV PRT/FIS PRT/FIS SEE TEXT SEE TEXT SEE TEXT 4052300200025 SEE TEXT 4052300200026 1.06 3.030 4.6000E-02 0.821 0.005 1.39 4052300200027 0.05 4052300200028 1.81 3.177 4.8000E-02 0.828 0.005 1.44 4052300200029 0.05 4052300200030 ENDDATA 8 0 4052300200031 ENDSUBENT 30 0 4052300299999 SUBENT 40523003 20200319 41864052300300001 BIB 3 5 4052300300002 REACTION (96-CM-244(0,F),PR,NU) 4052300300003 COMMENT Data for nu-bar obtained with the help of boron 4052300300004 counters. 4052300300005 STATUS (TABLE) From Table 1 of INDC(CCP)-106,3,1976 4052300300006 =Table 1 of INDC(CCP)-099,(5),186,1975 4052300300007 ENDBIB 5 0 4052300300008 NOCOMMON 0 0 4052300300009 DATA 3 1 4052300300010 DATA DATA-ERR MONIT 4052300300011 PRT/FIS PRT/FIS PRT/FIS 4052300300012 2.685 2.0E-02 3.724 4052300300013 ENDDATA 3 0 4052300300014 ENDSUBENT 13 0 4052300399999 SUBENT 40523004 20200319 41864052300400001 BIB 4 6 4052300400002 REACTION (96-CM-246(0,F),PR,NU) 4052300400003 FLAG (1.) Data obtained with boron counters. 4052300400004 (2.) Data obtained with liquid scintillation counters. 4052300400005 MISC-COL (MISC) Dispersion of neutron multiplicity distribution 4052300400006 STATUS (TABLE) From Table 1 of INDC(CCP)-106,3,1976 4052300400007 =Table 1 of INDC(CCP)-099,(5),186,1975 4052300400008 ENDBIB 6 0 4052300400009 NOCOMMON 0 0 4052300400010 DATA 6 2 4052300400011 DATA DATA-ERR FLAG MONIT MISC MISC-ERR 4052300400012 PRT/FIS PRT/FIS NO-DIM PRT/FIS SEE TEXT SEE TEXT 4052300400013 2.902 2.5E-02 1. 3.724 4052300400014 2.907 1.5E-02 2. 3.724 1.251 0.030 4052300400015 ENDDATA 4 0 4052300400016 ENDSUBENT 15 0 4052300499999 SUBENT 40523005 20200319 41864052300500001 BIB 4 6 4052300500002 REACTION (96-CM-248(0,F),PR,NU) 4052300500003 FLAG (1.) Data obtained with boron counters. 4052300500004 (2.) Data obtained with liquid scintillation counters. 4052300500005 MISC-COL (MISC) Dispersion of neutron multiplicity distribution 4052300500006 STATUS (TABLE) From Table 1 of INDC(CCP)-106,3,1976 4052300500007 =Table 1 of INDC(CCP)-099,(5),186,1975 4052300500008 ENDBIB 6 0 4052300500009 NOCOMMON 0 0 4052300500010 DATA 6 2 4052300500011 DATA DATA-ERR MONIT FLAG MISC MISC-ERR 4052300500012 PRT/FIS PRT/FIS PRT/FIS NO-DIM SEE TEXT SEE TEXT 4052300500013 3.185 4.0E-02 3.724 1. 4052300500014 3.173 2.5E-02 3.724 2. .244 0.030 4052300500015 ENDDATA 4 0 4052300500016 ENDSUBENT 15 0 4052300599999 ENDENTRY 5 0 4052399999999