ENTRY 40660 20240828 421840660000 1 SUBENT 40660001 20240828 421840660001 1 BIB 11 37 40660001 2 TITLE Average number (v(bar)(p)) of prompt neutrons in the 40660001 3 fission of 236U nuclei by neutrons in the energy range40660001 4 0.8 - 6 MeV 40660001 5 AUTHOR (V.V.Malinovski,V.G.Vorob'eva,B.D.Kuz'minov, 40660001 6 V.M.Piksaikin,N.N.Semenova) 40660001 7 REFERENCE (J,SJA,53,536,1982) Engl.translstion of AE,53,83,1982 40660001 8 (J,AE,53,(2),83,1982) Data Table is given 40660001 9 (R,INDC(CCP)-178,1982) same data 40660001 10 (J,YK,,(1/50),4,1983) same data, several isotopes 40660001 11 (R,INDC(CCP)-229,46,1984) Transl. of YK,,(1/50),4,1983 40660001 12 INSTITUTE (4RUSFEI) 40660001 13 INC-SOURCE (P-T) Energy resolution 30 keV 40660001 14 (D-D) Energy resolution 80 keV 40660001 15 (P-LI7) Energy resolution 30 keV 40660001 16 SAMPLE U-236 enrichment is more than 99% 40660001 17 DETECTOR (PROPC) 16 He-3 filled counters in polyethylene block- 40660001 18 to detect fission neutrons. 40660001 19 (IOCH) 6 U chambers and one Cf chamber with detection 40660001 20 efficiency of FF of U-236 and Cf-252 - 80 and 96 %, 40660001 21 respectively. . 40660001 22 MONITOR (98-CF-252(0,F),PR,NU) 40660001 23 REL-REF (M,,V.G.Vorobeva+,J,YK,,(3/38),44,1980) 40660001 24 Details of corrections method. 40660001 25 STATUS (APRVD) 1983-12 B.D.Kuz'minov . 40660001 26 HISTORY (19831226C) 40660001 27 (20090923A) M.M. STATUS was added. 40660001 28 Dates were corrected for 4-digits year. 40660001 29 NO-DIM -> PRT/FIS . MISC1, MISC2,MISC3 were added. 40660001 30 (20160601U) SD: Refs SJA,53,536; INDC(CCP)-178; 40660001 31 YK,1983,(1/50),4; INDC(CCP)-229,46 were added. Title 40660001 32 and list of authors update following SJA,53,536,1982. 40660001 33 (20170710U) M.M. Previous correction of SD was 40660001 34 checked at CJD. 40660001 35 J,YK,1983,(1/50),4,1983 -> J,YK,,(1/50),4,1983 40660001 36 J,YK,1980,(3/38),44,1980 -> 40660001 37 J,YK,,(3/38),44,1980 - REL-REF 40660001 38 (20240828A) Subent 002 was corrected. 40660001 39 ENDBIB 37 0 40660001 40 COMMON 1 3 40660001 41 MONIT 40660001 42 PRT/FIS 40660001 43 3.733 40660001 44 ENDCOMMON 3 0 40660001 45 ENDSUBENT 44 0 4066000199999 SUBENT 40660002 20240828 421840660002 1 BIB 8 48 40660002 2 REACTION (92-U-236(N,F),PR,NU) 40660002 3 CORRECTION For differences of energy fission neutron spectra of 40660002 4 U-236 and Cf-252 - MISC1, 40660002 5 For registration efficiency dependence from sample 40660002 6 positioning - 0.048 +- 0.002. 40660002 7 For differences of diameters of U-236 and Cf-252 40660002 8 layers - -0.003+-0.002 . 40660002 9 For false counting of coincidence of two pulses from 40660002 10 fission neutrons at dead time - MISC2. 40660002 11 For false counting of coincidence of two pulses from 40660002 12 fission neutron and background at dead time - MISC3. 40660002 13 For dependence of registered fission neutrons number 40660002 14 from fission fragment registration efficiency - 40660002 15 0.015 +- 0.003 . 40660002 16 For dependence from fission fragments kinetic energy -40660002 17 0.003 +- 0.001 . 40660002 18 For differences of fission fragments angular 40660002 19 distributions of U-236 and Cf-252 - 0.000 +- 0.001. 40660002 20 For background neutrons from D(d,n) reaction for 40660002 21 energy 5.05 MeV - 0.002+-0.003, 40660002 22 5.60 MeV - 0.008+-0.003, 40660002 23 5.90 MeV - 0.011+-0.003 . 40660002 24 MISC-COL (MISC1) Correction for differences of energy fission 40660002 25 neutron spectra of U-236 and Cf-252 . 40660002 26 (MISC2) Correction for false counting of coincidence of40660002 27 two pulses from fission neutrons at dead time. 40660002 28 (MISC3) Correction for false counting of coincidence of40660002 29 two pulses from fission neutron and background at dead40660002 30 time. 40660002 31 COVARIANCE Diagonal element of covarince matrix, defined 40660002 32 without taking into account of statistical error: 40660002 33 for EN=5.05, 5.60 is 0.29E-4, 40660002 34 for EN=5.90 is 0.28E-4, 40660002 35 for others energies - 0.20E-4 . 40660002 36 From Table 1 of YK,1(50),5,1983. 40660002 37 ADD-RES (THEO) Energy dependence of Nu-prompt could be 40660002 38 approximated as: 40660002 39 (2.346+-0.012)+(0.1072+-0.0071)*En at En=< 2.35 MeV, 40660002 40 (2.236+-0.024)+(0.1539+-0.0068)*En at 40660002 41 (COMP) 2.35MeV= fixed point. 40660002 50 ENDBIB 48 0 40660002 51 COMMON 2 3 40660002 52 MISC2-ERR MISC3-ERR 40660002 53 NO-DIM NO-DIM 40660002 54 0.001 0.002 40660002 55 ENDCOMMON 3 0 40660002 56 DATA 8 37 40660002 57 EN DATA ERR-S ERR-T MISC1 MISC1-ERR 40660002 58 MISC2 MISC3 40660002 59 MEV PRT/FIS PRT/FIS PRT/FIS NO-DIM NO-DIM 40660002 60 NO-DIM NO-DIM 40660002 61 0.80 2.451 0.029 0.034 -0.019 0.005 40660002 62 0.002 -0.019 40660002 63 0.85 2.446 0.027 0.033 -0.019 0.005 40660002 64 0.003 -0.019 40660002 65 0.90 2.434 0.022 0.034 -0.019 0.005 40660002 66 0.003 -0.019 40660002 67 0.95 2.430 0.023 0.035 -0.019 0.005 40660002 68 0.004 -0.019 40660002 69 1.00 2.465 0.033 0.038 -0.019 0.005 40660002 70 0.004 -0.019 40660002 71 1.10 2.472 0.022 0.029 -0.019 0.005 40660002 72 0.002 -0.019 40660002 73 1.20 2.501 0.017 0.025 -0.018 0.005 40660002 74 0.005 -0.017 40660002 75 1.30 2.469 0.030 0.035 -0.018 0.005 40660002 76 0.002 -0.017 40660002 77 1.35 2.476 0.031 0.036 -0.018 0.005 40660002 78 0.001 -0.017 40660002 79 1.40 2.480 0.015 0.024 -0.018 0.005 40660002 80 0.002 -0.017 40660002 81 1.50 2.514 0.020 0.030 -0.018 0.005 40660002 82 0.002 -0.017 40660002 83 1.60 2.515 0.017 0.025 -0.018 0.005 40660002 84 0.002 -0.017 40660002 85 1.70 2.518 0.023 0.030 -0.018 0.005 40660002 86 0.003 -0.017 40660002 87 1.80 2.556 0.026 0.032 -0.018 0.005 40660002 88 0.001 -0.017 40660002 89 1.90 2.549 0.012 0.021 -0.017 0.004 40660002 90 0.003 -0.017 40660002 91 2.00 2.545 0.035 0.039 -0.017 0.004 40660002 92 0.003 -0.017 40660002 93 2.10 2.575 0.033 0.037 -0.016 0.004 40660002 94 0.001 -0.017 40660002 95 2.20 2.558 0.024 0.030 -0.016 0.004 40660002 96 0.002 -0.017 40660002 97 2.25 2.611 0.016 0.024 -0.015 0.004 40660002 98 0.004 -0.017 40660002 99 2.30 2.604 0.015 0.023 -0.015 0.004 40660002 100 0.002 -0.017 40660002 101 2.40 2.588 0.015 0.023 -0.015 0.004 40660002 102 0.005 -0.017 40660002 103 2.50 2.626 0.029 0.034 -0.015 0.004 40660002 104 0.005 -0.017 40660002 105 2.60 2.684 0.028 0.034 -0.014 0.004 40660002 106 0.001 -0.016 40660002 107 2.70 2.667 0.023 0.029 -0.014 0.004 40660002 108 0.009 -0.016 40660002 109 2.80 2.669 0.032 0.037 -0.014 0.004 40660002 110 0.003 -0.016 40660002 111 2.90 2.678 0.024 0.030 -0.014 0.004 40660002 112 0.004 -0.016 40660002 113 3.00 2.690 0.013 0.023 -0.014 0.004 40660002 114 0.003 -0.016 40660002 115 3.10 2.704 0.023 0.030 -0.014 0.004 40660002 116 0.002 -0.016 40660002 117 3.20 2.727 0.016 0.025 -0.014 0.004 40660002 118 0.004 -0.016 40660002 119 3.30 2.732 0.021 0.029 -0.014 0.004 40660002 120 0.002 -0.016 40660002 121 3.40 2.780 0.022 0.029 -0.012 0.003 40660002 122 0.004 -0.015 40660002 123 3.50 2.772 0.015 0.023 -0.012 0.003 40660002 124 0.003 -0.015 40660002 125 3.60 2.775 0.022 0.029 -0.012 0.003 40660002 126 0.005 -0.015 40660002 127 3.70 2.819 0.019 0.026 -0.012 0.003 40660002 128 0.005 -0.015 40660002 129 5.05 3.007 0.016 0.030 -0.009 0.003 40660002 130 0.005 -0.013 40660002 131 5.60 3.167 0.026 0.034 -0.007 0.002 40660002 132 0.002 -0.010 40660002 133 5.90 3.154 0.042 0.046 -0.007 0.002 40660002 134 0.002 -0.010 40660002 135 ENDDATA 78 0 40660002 136 ENDSUBENT 135 0 4066000299999 ENDENTRY 2 0 4066099999999