ENTRY 40664 20191031 41844066400000001 SUBENT 40664001 20191031 41844066400100001 BIB 12 79 4066400100002 INSTITUTE (4RUSFEI) 4066400100003 REFERENCE (J,AE,54,208,1983) Issue 3 4066400100004 (J,SJA,54,226,1983) 4066400100005 #doi:10.1007/BF01125717 4066400100006 Engl.translation of AE,54,(3),208,1983 4066400100007 ((J,YK,,(3/38),44,1980)=(R,INDC(CCP)-156,44,1980)) 4066400100008 Preliminary data 4066400100009 (J,AE,50,188,1981) Preliminary data . Issue 3. 4066400100010 First author V.G.Vorob'eva. 4066400100011 (J,SJA,50,172,1981) 4066400100012 #doi:10.1007/BF01126644 4066400100013 Engl.translation of AE,50,(3),188,1981 4066400100014 (J,YK,,(1/40),60,1981) 4066400100015 (R,INDC(CCP)-177,39,1982) 4066400100016 Engl.translation of YK,,(1/40),60,1981 4066400100017 (J,YK,,(1/50),4,1983) 4066400100018 (R,INDC(CCP)-229,46,1984) 4066400100019 Engl.translation of YK,,(1/50),4,1983 4066400100020 AUTHOR (V.V.Malinovskii, V.G.Vorob'eva, B.D.Kuz'minov, 4066400100021 V.M.Piksaikin, N.N.Semenova, S.M.Solov'ev, 4066400100022 P.S.Soloshenkov) 4066400100023 TITLE Discrepancy of the results of NUp measurements in the 4066400100024 fission of Np-237 nuclei by neutrons 4066400100025 INC-SOURCE (P-T) Monoenergetic neutrons 4066400100026 (D-D) 4066400100027 DETECTOR (FISCH) Fission chamber for fission fragments. 4066400100028 Registration efficiency about 50-60 % for Np-237 4066400100029 fission fragments. 4066400100030 (PROPC) 16 filled by He-3 counters in cylindrical 4066400100031 polyethylene block - as neutron detector. 4066400100032 SAMPLE Cf-252 layer of 7 mm diameter on Al foil of 0.1 mm 4066400100033 thickness. Two layers in the chamber. 4066400100034 Np-237 layers of Np oxide of thickness 1.1 mg/cm**2, 4066400100035 on Al foil on both sides, diameter 30 mm. 4066400100036 Total - 108 layers of total Np mass 0.76 g . 4066400100037 Admixtures : Pu-239 < 0.65 %, Am-241 < 2.41 %. 4066400100038 MONITOR ((MONIT)98-CF-252(0,F),PR,NU) 4066400100039 Measurement relative to standard NU-prompt for Cf-252. 4066400100040 CORRECTION For differences of energy fission neutron spectra of 4066400100041 Np-237 and Cf-252 - -(0.7-1.3)% . 4066400100042 For registration efficiency dependence from detector 4066400100043 positioning - +4.4%. 4066400100044 For differences of diameters of Np-237 and Cf-252 4066400100045 layers - -0.3%. 4066400100046 For false counting of coincidence of two pulses from 4066400100047 fission neutrons at dead time - -(1.0-1.5)%. 4066400100048 For false counting of coincidence of two pulses from 4066400100049 fission neutron and background at dead time - 4066400100050 +(0.1-0.4)%. 4066400100051 For fission fragment registration efficiency - +3.7%. 4066400100052 For difference of Np-237 and Cf-252 layers thickness -4066400100053 +0.1%. 4066400100054 For counting from alpha-particles - +(0.2-0.9)% . 4066400100055 For fission fragments angular dependence from incident4066400100056 neutron energy - <0.1% 4066400100057 For background . 4066400100058 FLAG (1.)Data measured by fission chamber with several 4066400100059 layers of Np. 4066400100060 (2.)Data measured by fission chamber with one layer 4066400100061 of Np . 4066400100062 (3.)Data measured by spiral fission chamber . 4066400100063 REL-REF (O,40665001,V.V.Malinovskiy+,J,YK,,(1/50),4,1983) 4066400100064 40665002 - U-238 data, 40665003 - U-236 data, 4066400100065 (O,40666001,V.V.Malinovskij+,J,AE,54,209,1983) Issue 3 4066400100066 40666002 - Th-232 data 4066400100067 of Table 1 of J,YK,,(1/50),4,1983. 4066400100068 HISTORY (19840206C) 4066400100069 (20090922A) M.M. MONITOR, MONIT-REF, COMMON, STATUS 4066400100070 COVARIANCE, CORRECTION were added. 4066400100071 Dates were corrected for 4-digits year. 4066400100072 Free text was corrected to be human-readable. 4066400100073 (20150513A) V.Z. COVARIANCE lines were corrected 4066400100074 according new format. 4066400100075 (20150627U) M.M. Refs. of Engl.translations were added.4066400100076 Articles were checked, BIB information was updated. 4066400100077 COREL,40666002 - U238, COREL,40665003 -U236, 4066400100078 COREL,40666002 - Th232 were deleted according to 4066400100079 comment of N.Otsuka (NDS,IAEA). 4066400100080 (20191031A) Refs. of YK were corrected. 4066400100081 ENDBIB 79 0 4066400100082 COMMON 1 3 4066400100083 MONIT 4066400100084 PRT/FIS 4066400100085 3.733 4066400100086 ENDCOMMON 3 0 4066400100087 ENDSUBENT 86 0 4066400199999 SUBENT 40664002 20191031 41844066400200001 BIB 6 145 4066400200002 REACTION (93-NP-237(N,F),PR,NU) 4066400200003 COVARIANCE (XY,31,MEV,EN) 4066400200004 0.98 1.17 1.28 1.38 1.46 1.62 1.66 1.68 1.77 1.89 4066400200005 1.92 2 2 2.09 2.13 2.23 2.31 2.43 2.62 2.64 4066400200006 2.71 2.79 2.92 3.07 3.09 3.21 3.45 3.52 3.71 5.58 4066400200007 5.9 4066400200008 (Z,496,1e-6,COV) Covariance matrix, units are 10**-6. 4066400200009 55 4066400200010 38 153 4066400200011 38 38 55 4066400200012 38 38 38 55 4066400200013 38 38 38 38 55 4066400200014 38 38 38 38 38 45 4066400200015 15 15 15 15 15 15 41 4066400200016 38 38 38 38 38 38 15 82 4066400200017 38 38 38 38 38 38 15 38 45 4066400200018 38 38 38 38 38 38 15 38 38 44 4066400200019 38 38 38 38 38 38 15 38 38 38 58 4066400200020 38 38 38 38 38 38 15 38 38 38 38 46 4066400200021 16 16 16 16 16 16 15 16 16 16 16 16 26 4066400200022 38 38 38 38 38 38 15 38 38 38 38 38 16 4066400200023 48 4066400200024 38 38 38 38 38 38 15 38 38 38 38 38 16 4066400200025 38 48 4066400200026 38 38 38 38 38 38 15 38 38 38 38 38 16 4066400200027 38 38 43 4066400200028 38 38 38 38 38 38 15 38 38 38 38 38 16 4066400200029 38 38 38 48 4066400200030 38 38 38 38 38 38 15 38 38 38 38 38 16 4066400200031 38 38 38 38 43 4066400200032 38 38 38 38 38 38 15 38 38 38 38 38 16 4066400200033 38 38 38 38 38 43 4066400200034 15 15 15 15 15 15 31 15 15 15 15 15 15 4066400200035 15 15 15 15 15 15 41 4066400200036 38 38 38 38 38 38 15 38 38 38 38 38 16 4066400200037 38 38 38 38 38 38 15 48 4066400200038 15 15 15 15 15 15 31 15 15 15 15 15 15 4066400200039 15 15 15 15 15 15 15 15 41 4066400200040 38 38 38 38 38 38 15 38 38 38 38 38 16 4066400200041 38 38 38 38 38 38 15 38 15 48 4066400200042 15 15 15 15 15 15 31 15 15 15 15 15 15 4066400200043 15 15 15 15 15 15 31 15 31 15 41 4066400200044 38 38 38 38 38 38 15 38 38 38 38 38 16 4066400200045 38 38 38 38 38 38 15 38 15 38 15 43 4066400200046 38 38 38 38 38 38 15 38 38 38 38 38 16 4066400200047 38 38 38 38 38 38 15 38 15 38 15 38 55 4066400200048 38 38 38 38 38 38 15 38 38 38 38 38 16 4066400200049 38 38 38 38 38 38 15 38 15 38 15 38 38 4066400200050 48 4066400200051 38 38 38 38 38 38 15 38 38 38 38 38 16 4066400200052 38 38 38 38 38 38 15 38 15 38 15 38 38 4066400200053 38 48 4066400200054 38 38 38 38 38 38 15 38 38 38 38 38 16 4066400200055 38 38 38 38 38 38 15 38 15 38 15 38 38 4066400200056 38 38 55 4066400200057 38 38 38 38 38 38 15 38 38 38 38 38 16 4066400200058 38 38 38 38 38 38 15 38 15 38 15 38 38 4066400200059 38 38 38 49 4066400200060 38 38 38 38 38 38 15 38 38 38 38 38 16 4066400200061 38 38 38 38 38 38 15 38 15 38 15 38 38 4066400200062 38 38 38 38 49 4066400200063 (Z,496,PER-CENT,COR) 4066400200064 100 4066400200065 32 100 4066400200066 50 30 100 4066400200067 41 25 39 100 4066400200068 48 29 46 38 100 4066400200069 50 30 48 39 46 100 4066400200070 14 8 13 11 13 13 100 4066400200071 43 26 41 33 39 41 11 100 4066400200072 55 33 53 43 51 53 15 45 100 4066400200073 49 30 46 38 45 46 13 40 52 100 4066400200074 53 32 50 41 49 50 14 43 56 49 100 4066400200075 58 35 55 45 53 56 15 48 61 54 59 100 4066400200076 15 9 14 11 13 14 9 12 16 14 15 16 100 4066400200077 49 30 47 39 45 47 13 41 52 46 50 55 14 4066400200078 100 4066400200079 58 35 55 45 53 56 15 48 61 54 59 65 16 4066400200080 55 100 4066400200081 58 35 55 45 53 56 15 48 61 54 59 65 16 4066400200082 55 64 100 4066400200083 48 30 46 38 45 46 13 40 51 45 49 54 14 4066400200084 46 54 54 100 4066400200085 51 31 49 40 47 49 14 42 54 48 52 57 14 4066400200086 48 57 57 48 100 4066400200087 55 34 53 43 51 53 15 45 58 51 56 61 16 4066400200088 52 61 61 51 54 100 4066400200089 19 11 18 15 17 18 25 15 20 17 19 21 12 4066400200090 18 21 21 17 18 20 100 4066400200091 49 30 47 39 45 47 13 41 52 46 50 55 14 4066400200092 47 55 55 46 48 52 18 100 4066400200093 21 13 20 16 19 20 27 17 22 19 21 23 13 4066400200094 19 23 23 19 20 22 18 19 100 4066400200095 49 30 47 39 46 47 13 41 53 46 50 55 14 4066400200096 47 55 55 46 49 52 18 47 20 100 4066400200097 20 12 19 15 18 19 26 16 21 18 20 22 13 4066400200098 19 22 22 18 19 21 35 19 39 19 100 4066400200099 55 34 53 43 51 53 15 46 59 52 56 62 16 4066400200100 52 62 62 52 55 59 20 52 22 53 21 100 4066400200101 50 30 48 39 46 48 13 41 53 47 51 56 14 4066400200102 47 56 56 47 49 53 18 47 20 48 19 53 100 4066400200103 51 31 49 40 47 49 14 42 54 48 52 57 14 4066400200104 48 57 57 48 50 54 18 48 20 49 19 54 49 4066400200105 100 4066400200106 45 27 43 35 42 43 12 37 48 42 46 50 13 4066400200107 43 50 50 42 44 48 16 43 18 43 17 48 43 4066400200108 44 100 4066400200109 48 29 46 38 44 46 13 40 51 45 49 54 14 4066400200110 46 54 54 45 47 51 17 46 19 46 18 51 46 4066400200111 47 42 100 4066400200112 44 27 42 34 40 42 12 36 47 41 45 49 13 4066400200113 42 49 49 41 43 47 16 42 17 42 17 47 42 4066400200114 43 38 41 100 4066400200115 45 28 43 35 42 43 12 37 44 42 46 50 13 4066400200116 43 50 50 42 44 48 16 43 18 43 17 48 44 4066400200117 44 39 42 38 100 4066400200118 MISC-COL (MISC) The square of relative statistical error, 4066400200119 units are per-cent*per-cent , 4th column of 4066400200120 Table 3 of J,YK,,(1/50),4,1983 . 4066400200121 ERR-ANALYS (ERR-S) Statistical error. 4066400200122 Uncertainties of corrections in energy range 1-4 MeV: 4066400200123 - differences of energy fission neutron spectra of 4066400200124 Np-237 and Cf-252 - +-0.3%. 4066400200125 - registration efficiency dependence from detector 4066400200126 positioning - +-0.3%. 4066400200127 - differences of diameters of Np-237 and Cf-252 4066400200128 layers - +-0.3%. 4066400200129 - false counting of coincidence of two pulses from 4066400200130 fission neutrons at dead time - +-(0.2-0.3)%. 4066400200131 - false counting of coincidence of two pulses from 4066400200132 fission neutron and background at dead time - 4066400200133 +-(0.01-0.05)%. 4066400200134 - fission fragment registration efficiency - +0.9%. 4066400200135 - difference of Np-237 and Cf-252 layers thickness - 4066400200136 +(0.2-0.9)%. 4066400200137 - counting from alpha-particles - +-(0.2-0.4)% . 4066400200138 - fission fragments angular dependence from incident 4066400200139 neutron energy - 0.1% 4066400200140 STATUS (TABLE) Table 3 of J,YK,,(1/50),4,1983; 4066400200141 covariance matrix -Table 2, correlation matrix-Table 4.4066400200142 Data - also Table of J,AE,54,(3),208,1983. 4066400200143 Corrections and errors - Table 1 of AE,50,(3),188,1981,4066400200144 with revised corrections values in AE,54,(3),208,1982. 4066400200145 HISTORY (20090923A) NO-DIM -> PRT/FIS . 4066400200146 MISC was added. 4066400200147 ENDBIB 145 0 4066400200148 NOCOMMON 0 0 4066400200149 DATA 6 31 4066400200150 EN EN-RSL DATA ERR-S FLAG MISC 4066400200151 MEV MEV PRT/FIS PRT/FIS NO-DIM NO-DIM 4066400200152 0.98 4.0000E-02 2.795 1.2000E-02 1. 0.18 4066400200153 1.17 4.0000E-02 2.815 1.4000E-02 1. 0.44 4066400200154 1.28 4.0000E-02 2.774 1.4000E-02 1. 0.25 4066400200155 1.38 4.0000E-02 2.772 2.2000E-02 1. 0.64 4066400200156 1.46 4.0000E-02 2.824 1.6000E-02 1. 0.32 4066400200157 1.62 4.0000E-02 2.817 1.7000E-02 1. 0.35 4066400200158 1.66 6.0000E-02 2.907 3.3000E-02 2. 1.29 4066400200159 1.68 4.0000E-02 2.882 1.5000E-02 1. 0.25 4066400200160 1.77 4.0000E-02 2.841 1.3000E-02 1. 0.20 4066400200161 1.89 4.0000E-02 2.887 1.8000E-02 1. 0.40 4066400200162 1.92 4.0000E-02 2.886 1.0000E-02 1. 0.13 4066400200163 2.00 4.0000E-02 2.853 1.3000E-02 1. 0.19 4066400200164 2.00 5.0000E-02 2.893 3.4000E-02 3. 1.38 4066400200165 2.09 4.0000E-02 2.880 1.7000E-02 1. 0.34 4066400200166 2.13 4.0000E-02 2.878 1.0000E-02 1. 0.11 4066400200167 2.23 3.0000E-02 2.944 1.2000E-02 1. 0.16 4066400200168 2.31 3.0000E-02 2.944 1.8000E-02 1. 0.36 4066400200169 2.43 3.0000E-02 2.960 1.7000E-02 1. 0.32 4066400200170 2.62 4.0000E-02 2.981 1.4000E-02 1. 0.22 4066400200171 2.64 5.0000E-02 3.011 2.2000E-02 2. 0.53 4066400200172 2.71 3.0000E-02 2.990 1.7000E-02 1. 0.34 4066400200173 2.79 5.0000E-02 3.003 1.8000E-02 2. 0.36 4066400200174 2.92 3.0000E-02 3.006 1.7000E-02 1. 0.32 4066400200175 3.07 5.0000E-02 3.051 2.0000E-02 2. 0.43 4066400200176 3.09 3.0000E-02 3.065 1.4000E-02 1. 0.21 4066400200177 3.21 3.0000E-02 3.040 1.6000E-02 1. 0.24 4066400200178 3.45 3.0000E-02 3.110 1.7000E-02 1. 0.28 4066400200179 3.52 3.0000E-02 3.084 2.2000E-02 1. 0.49 4066400200180 3.71 2.0000E-02 3.166 1.8000E-02 1. 0.30 4066400200181 5.58 8.0000E-02 3.445 2.5000E-02 1. 0.53 4066400200182 5.90 8.0000E-02 3.493 2.4000E-02 1. 0.48 4066400200183 ENDDATA 33 0 4066400200184 ENDSUBENT 183 0 4066400299999 ENDENTRY 2 0 4066499999999