ENTRY 13101 20240806 15131310100000001 SUBENT 13101001 20240806 15131310100100001 BIB 11 33 1310100100002 TITLE Measurements of the Energy Dependence of Prompt 1310100100003 Neutron Emission from 233U, 235U, and 239Pu for En = 1310100100004 0.0005 to 10 MeV Relative to Emission from 1310100100005 Spontaneous Fission of 252Cf 1310100100006 AUTHOR (R.Gwin,R.R.Spencer,R.W.Ingle) 1310100100007 REFERENCE (J,NSE,94,365,1986) 1310100100008 #doi:10.13182/NSE86-A18347 1310100100009 INSTITUTE (1USAORL) 1310100100010 FACILITY (LINAC,1USAORL) Oak Ridge Electron Linear Accelerator 1310100100011 (ORELA). 1310100100012 METHOD (TOF). 83.4-M flight path 1310100100013 DETECTOR (SCIN) Gd-loaded liquid scintillator to detect 1310100100014 fission neutrons. 1310100100015 (FISCH) fission chamber to detect fission events. 1310100100016 (IOCH) BF3 ionization chamber as flux monitor. 1310100100017 CORRECTION Corrected for: 1310100100018 - delayed gamma rays from fission 1310100100019 - false fissions 1310100100020 - background in neutron detector 1310100100021 - displacement of samples 1310100100022 - foil thicknesses and spontaneous fissions 1310100100023 - anisotropy of fission-fragment distribution 1310100100024 - differences in the fission-neutron energy 1310100100025 spectra of the isotopes 1310100100026 - pulse pileup 1310100100027 ERR-ANALYS (ERR-S) Statistical uncertainty. 1310100100028 STATUS (APRVD) R.Gwin, 1987/5/14. 1310100100029 (TABLE,,R.Gwin+,J,NSE,94,365,1986) 1310100100030 Data taken from private comm., Gwin, 1987/2/22. 1310100100031 HISTORY (19870520C) 1310100100032 (20240806A) BP: Updated to new date formats, lower 1310100100033 case. corrections according last EXFOR rules and Dict, 1310100100034 added doi. 1310100100035 ENDBIB 33 0 1310100100036 NOCOMMON 0 0 1310100100037 ENDSUBENT 36 0 1310100199999 SUBENT 13101002 20240806 15131310100200001 BIB 4 17 1310100200002 REACTION ((92-U-233(N,F),PR,NU,,AV)/(98-CF-252(0,F),PR,NU)) 1310100200003 SAMPLE (92-U-233,ENR=0.99969) 1310100200004 (92-U-234,ENR=0.000004) 1310100200005 (92-U-235,ENR=0.00020) 1310100200006 (92-U-236,ENR=0.000003) 1310100200007 (92-U-238,ENR=0.000008) For the fissile isotopes the 1310100200008 sections consisted of two 0.0013-cm thick aluminum 1310100200009 disks coated with the fissile isotope plus a central 1310100200010 collector plate separated 3 mm from each coated 1310100200011 plate. For 233U the coating thickness varied from 1310100200012 0.80 to 1.75 g/m2, the average being 1.1 g/m2. 1310100200013 ERR-ANALYS (ERR-SYS) Systematic uncertainty 0.012%. 1310100200014 (ERR-1,0.00001,0.00073) Impurity fission. 1310100200015 (ERR-2,0.00004,0.00056) False fission. 1310100200016 (ERR-3,0.00007,0.00024) Dead-time correction. 1310100200017 HISTORY (20240806A) BP: Updated target and ERR-ANALYS 1310100200018 information. 1310100200019 ENDBIB 17 0 1310100200020 COMMON 1 3 1310100200021 ERR-SYS 1310100200022 PER-CENT 1310100200023 0.012 1310100200024 ENDCOMMON 3 0 1310100200025 DATA 4 84 1310100200026 EN-MIN EN-MAX DATA ERR-S 1310100200027 MEV MEV NO-DIM NO-DIM 1310100200028 9.00 10.00 1.007 0.013 1310100200029 8.00 9.00 0.958 0.011 1310100200030 7.00 8.00 0.924 0.010 1310100200031 6.00 7.00 0.877 0.009 1310100200032 5.00 6.00 0.844 0.010 1310100200033 4.00 5.00 0.807 0.008 1310100200034 3.00 4.00 0.760 0.007 1310100200035 2.00 3.00 0.725 0.005 1310100200036 1.95 2.00 0.698 0.017 1310100200037 1.90 1.95 0.704 0.016 1310100200038 1.85 1.90 0.716 0.015 1310100200039 1.80 1.85 0.711 0.015 1310100200040 1.75 1.80 0.696 0.015 1310100200041 1.70 1.75 0.704 0.015 1310100200042 1.65 1.70 0.728 0.015 1310100200043 1.60 1.65 0.715 0.015 1310100200044 1.55 1.60 0.698 0.014 1310100200045 1.50 1.55 0.702 0.014 1310100200046 1.45 1.50 0.704 0.014 1310100200047 1.40 1.45 0.709 0.014 1310100200048 1.35 1.40 0.693 0.014 1310100200049 1.30 1.35 0.697 0.014 1310100200050 1.25 1.30 0.704 0.014 1310100200051 1.20 1.25 0.692 0.013 1310100200052 1.15 1.20 0.688 0.014 1310100200053 1.10 1.15 0.697 0.013 1310100200054 1.05 1.10 0.697 0.013 1310100200055 1.00 1.05 0.687 0.012 1310100200056 0.95 1.00 0.683 0.011 1310100200057 0.90 0.95 0.696 0.009 1310100200058 0.85 0.90 0.689 0.008 1310100200059 0.80 0.85 0.694 0.007 1310100200060 0.75 0.80 0.686 0.006 1310100200061 0.70 0.75 0.681 0.006 1310100200062 0.65 0.70 0.676 0.005 1310100200063 0.60 0.65 0.668 0.005 1310100200064 0.58 0.60 0.672 0.007 1310100200065 0.56 0.58 0.680 0.007 1310100200066 0.54 0.56 0.674 0.006 1310100200067 0.52 0.54 0.675 0.006 1310100200068 0.50 0.52 0.671 0.006 1310100200069 0.48 0.50 0.664 0.005 1310100200070 0.46 0.48 0.667 0.006 1310100200071 0.44 0.46 0.667 0.006 1310100200072 0.42 0.44 0.577 0.006 1310100200073 0.40 0.42 0.669 0.005 1310100200074 0.38 0.40 0.671 0.005 1310100200075 0.36 0.38 0.675 0.005 1310100200076 0.34 0.36 0.676 0.005 1310100200077 0.32 0.34 0.670 0.005 1310100200078 0.30 0.32 0.661 0.005 1310100200079 0.28 0.30 0.666 0.005 1310100200080 0.26 0.28 0.674 0.005 1310100200081 0.24 0.26 0.664 0.005 1310100200082 0.22 0.24 0.662 0.005 1310100200083 0.20 0.22 0.668 0.005 1310100200084 0.18 0.20 0.666 0.005 1310100200085 0.16 0.18 0.663 0.005 1310100200086 0.14 0.16 0.672 0.005 1310100200087 0.12 0.14 0.664 0.004 1310100200088 0.10 0.12 0.665 0.004 1310100200089 0.090 0.10 0.653 0.006 1310100200090 0.080 0.090 0.660 0.006 1310100200091 0.070 0.080 0.665 0.006 1310100200092 0.060 0.070 0.671 0.005 1310100200093 0.050 0.060 0.662 0.005 1310100200094 0.040 0.050 0.666 0.005 1310100200095 0.030 0.040 0.663 0.004 1310100200096 0.020 0.030 0.662 0.003 1310100200097 0.0100 0.020 0.659 0.003 1310100200098 0.0090 0.010 0.654 0.006 1310100200099 0.0080 0.0090 0.671 0.007 1310100200100 0.0070 0.0080 0.666 0.006 1310100200101 0.0060 0.0070 0.668 0.006 1310100200102 0.0050 0.0060 0.659 0.006 1310100200103 0.0040 0.0050 0.658 0.005 1310100200104 0.0030 0.0040 0.654 0.005 1310100200105 0.0020 0.0030 0.656 0.004 1310100200106 0.0010 0.0020 0.665 0.003 1310100200107 0.0009 0.0010 0.665 0.008 1310100200108 0.0008 0.0009 0.669 0.007 1310100200109 0.0007 0.0008 0.655 0.009 1310100200110 0.0006 0.0007 0.659 0.007 1310100200111 0.0005 0.0006 0.660 0.008 1310100200112 ENDDATA 86 0 1310100200113 ENDSUBENT 112 0 1310100299999 SUBENT 13101003 20240806 15131310100300001 BIB 4 16 1310100300002 REACTION ((92-U-235(N,F),PR,NU,,AV)/(98-CF-252(0,F),PR,NU)) 1310100300003 SAMPLE (92-U-234,ENR=0.0003) 1310100300004 (92-U-235,ENR=0.9990) 1310100300005 (92-U-236,ENR=0.0001) 1310100300006 (92-U-238,ENR=0.0006) For the fissile isotopes the 1310100300007 sections consisted of two 0.0013-cm thick aluminum 1310100300008 disks coated with the fissile isotope plus a central 1310100300009 collector plate separated 3 mm from each coated 1310100300010 plate. For 235U the range was 0.64 to 1.13 g/m2, the 1310100300011 average being 0.96 g/m2. 1310100300012 ERR-ANALYS (ERR-SYS) Systematic uncertainty 0.014%. 1310100300013 (ERR-1,0.0,0.00032) Impurity fission. 1310100300014 (ERR-2,0.00002,0.00042) False fission. 1310100300015 (ERR-3,0.00007,0.00023) Dead-time correction. 1310100300016 HISTORY (20240806A) BP: Updated target and ERR-ANALYS 1310100300017 information. 1310100300018 ENDBIB 16 0 1310100300019 COMMON 1 3 1310100300020 ERR-SYS 1310100300021 PER-CENT 1310100300022 0.014 1310100300023 ENDCOMMON 3 0 1310100300024 DATA 4 84 1310100300025 EN-MIN EN-MAX DATA ERR-S 1310100300026 MEV MEV NO-DIM NO-DIM 1310100300027 9.00 10.00 1.004 0.012 1310100300028 8.00 9.00 0.970 0.010 1310100300029 7.00 8.00 0.937 0.009 1310100300030 6.00 7.00 0.899 0.009 1310100300031 5.00 6.00 0.846 0.009 1310100300032 4.00 5.00 0.795 0.008 1310100300033 3.00 4.00 0.754 0.006 1310100300034 2.00 3.00 0.720 0.004 1310100300035 1.95 2.00 0.693 0.017 1310100300036 1.90 1.95 0.701 0.016 1310100300037 1.85 1.90 0.715 0.016 1310100300038 1.80 1.85 0.708 0.015 1310100300039 1.75 1.80 0.686 0.015 1310100300040 1.70 1.75 0.687 0.014 1310100300041 1.65 1.70 0.690 0.015 1310100300042 1.60 1.65 0.691 0.014 1310100300043 1.55 1.60 0.693 0.014 1310100300044 1.50 1.55 0.688 0.014 1310100300045 1.45 1.50 0.686 0.013 1310100300046 1.40 1.45 0.684 0.013 1310100300047 1.35 1.40 0.685 0.013 1310100300048 1.30 1.35 0.683 0.013 1310100300049 1.25 1.30 0.678 0.013 1310100300050 1.20 1.25 0.670 0.013 1310100300051 1.15 1.20 0.670 0.013 1310100300052 1.10 1.15 0.678 0.013 1310100300053 1.05 1.10 0.667 0.012 1310100300054 1.00 1.05 0.654 0.012 1310100300055 0.95 1.00 0.669 0.011 1310100300056 0.90 0.95 0.675 0.010 1310100300057 0.85 0.90 0.665 0.009 1310100300058 0.80 0.85 0.665 0.008 1310100300059 0.75 0.80 0.666 0.007 1310100300060 0.70 0.75 0.667 0.006 1310100300061 0.65 0.70 0.661 0.005 1310100300062 0.60 0.65 0.663 0.005 1310100300063 0.58 0.60 0.663 0.007 1310100300064 0.56 0.58 0.666 0.007 1310100300065 0.54 0.56 0.656 0.007 1310100300066 0.52 0.54 0.652 0.007 1310100300067 0.50 0.52 0.662 0.006 1310100300068 0.48 0.50 0.657 0.006 1310100300069 0.46 0.48 0.648 0.006 1310100300070 0.44 0.46 0.658 0.006 1310100300071 0.42 0.44 0.659 0.006 1310100300072 0.40 0.42 0.653 0.006 1310100300073 0.38 0.40 0.652 0.005 1310100300074 0.36 0.38 0.642 0.006 1310100300075 0.34 0.36 0.658 0.005 1310100300076 0.32 0.34 0.646 0.005 1310100300077 0.30 0.32 0.657 0.005 1310100300078 0.28 0.30 0.656 0.005 1310100300079 0.26 0.28 0.657 0.005 1310100300080 0.24 0.26 0.661 0.005 1310100300081 0.22 0.24 0.652 0.005 1310100300082 0.20 0.22 0.660 0.005 1310100300083 0.18 0.20 0.649 0.004 1310100300084 0.16 0.18 0.647 0.004 1310100300085 0.14 0.16 0.645 0.005 1310100300086 0.12 0.14 0.650 0.003 1310100300087 0.10 0.12 0.642 0.003 1310100300088 0.090 0.10 0.632 0.006 1310100300089 0.080 0.090 0.653 0.007 1310100300090 0.070 0.080 0.637 0.004 1310100300091 0.060 0.070 0.641 0.003 1310100300092 0.050 0.060 0.637 0.003 1310100300093 0.040 0.050 0.640 0.003 1310100300094 0.030 0.040 0.637 0.005 1310100300095 0.020 0.030 0.640 0.002 1310100300096 0.010 0.020 0.641 0.002 1310100300097 0.0090 0.010 0.643 0.004 1310100300098 0.0080 0.0090 0.645 0.004 1310100300099 0.0070 0.0080 0.642 0.004 1310100300100 0.0060 0.0070 0.641 0.004 1310100300101 0.0050 0.0060 0.640 0.004 1310100300102 0.0040 0.0050 0.635 0.003 1310100300103 0.0030 0.0040 0.636 0.003 1310100300104 0.0020 0.0030 0.643 0.003 1310100300105 0.0010 0.0020 0.641 0.002 1310100300106 0.0009 0.0010 0.637 0.005 1310100300107 0.0008 0.0009 0.635 0.005 1310100300108 0.0007 0.0008 0.643 0.004 1310100300109 0.0006 0.0007 0.639 0.004 1310100300110 0.0005 0.0006 0.643 0.004 1310100300111 ENDDATA 86 0 1310100300112 ENDSUBENT 111 0 1310100399999 SUBENT 13101004 20240806 15131310100400001 BIB 4 14 1310100400002 REACTION ((94-PU-239(N,F),PR,NU,,AV)/(98-CF-252(0,F),PR,NU)) 1310100400003 SAMPLE (94-PU-239,ENR=0.99978) 1310100400004 (94-PU-240,ENR=0.00021) 1310100400005 (94-PU-241,ENR=0.00001) For the fissile isotopes the 1310100400006 sections consisted of two 0.0013-cm thick aluminum 1310100400007 disks coated with the fissile isotope plus a central 1310100400008 collector plate separated 3 mm from each coated 1310100400009 plate. For 239Pu it was 0.6 to 1.4 g/m2, the average 1310100400010 being 0.9 g/m2. 1310100400011 ERR-ANALYS (ERR-SYS) Systematic uncertainty 0.014%. 1310100400012 (ERR-1,0.0,0.0069) Impurity fission. 1310100400013 (ERR-2,0.00001,0.00172) False fission. 1310100400014 (ERR-3,0.00007,0.00017) Dead-time correction. 1310100400015 HISTORY (20240806A) BP: Updated target information. 1310100400016 ENDBIB 14 0 1310100400017 COMMON 1 3 1310100400018 ERR-SYS 1310100400019 PER-CENT 1310100400020 0.014 1310100400021 ENDCOMMON 3 0 1310100400022 DATA 4 84 1310100400023 EN-MIN EN-MAX DATA ERR-S 1310100400024 MEV MEV NO-DIM NO-DIM 1310100400025 9.00 10.00 1.152 0.034 1310100400026 8.00 9.00 1.092 0.030 1310100400027 7.00 8.00 1.063 0.028 1310100400028 6.00 7.00 1.020 0.024 1310100400029 5.00 6.00 0.962 0.021 1310100400030 4.00 5.00 0.917 0.017 1310100400031 3.00 4.00 0.882 0.013 1310100400032 2.00 3.00 0.866 0.009 1310100400033 1.95 2.00 0.827 0.031 1310100400034 1.90 1.95 0.833 0.029 1310100400035 1.85 1.90 0.797 0.028 1310100400036 1.80 1.85 0.821 0.027 1310100400037 1.75 1.80 0.809 0.026 1310100400038 1.70 1.75 0.799 0.028 1310100400039 1.65 1.70 0.815 0.025 1310100400040 1.60 1.65 0.821 0.024 1310100400041 1.55 1.60 0.791 0.023 1310100400042 1.50 1.55 0.828 0.022 1310100400043 1.45 1.50 0.832 0.022 1310100400044 1.40 1.45 0.837 0.020 1310100400045 1.35 1.40 0.842 0.019 1310100400046 1.30 1.35 0.832 0.018 1310100400047 1.25 1.30 0.832 0.017 1310100400048 1.20 1.25 0.810 0.017 1310100400049 1.15 1.20 0.815 0.017 1310100400050 1.10 1.15 0.819 0.017 1310100400051 1.05 1.10 0.806 0.017 1310100400052 1.00 1.05 0.806 0.016 1310100400053 0.95 1.00 0.831 0.015 1310100400054 0.90 0.95 0.772 0.014 1310100400055 0.85 0.90 0.791 0.013 1310100400056 0.80 0.85 0.799 0.013 1310100400057 0.75 0.80 0.803 0.012 1310100400058 0.70 0.75 0.796 0.012 1310100400059 0.65 0.70 0.787 0.011 1310100400060 0.60 0.65 0.779 0.011 1310100400061 0.58 0.60 0.768 0.016 1310100400062 0.56 0.58 0.767 0.016 1310100400063 0.54 0.56 0.816 0.015 1310100400064 0.52 0.54 0.797 0.015 1310100400065 0.50 0.52 0.760 0.015 1310100400066 0.48 0.50 0.785 0.014 1310100400067 0.46 0.48 0.759 0.015 1310100400068 0.44 0.46 0.797 0.016 1310100400069 0.42 0.44 0.789 0.014 1310100400070 0.40 0.42 0.810 0.014 1310100400071 0.38 0.40 0.790 0.013 1310100400072 0.36 0.38 0.770 0.013 1310100400073 0.34 0.36 0.779 0.013 1310100400074 0.32 0.34 0.778 0.013 1310100400075 0.30 0.32 0.762 0.013 1310100400076 0.28 0.30 0.787 0.013 1310100400077 0.26 0.28 0.770 0.012 1310100400078 0.24 0.26 0.765 0.012 1310100400079 0.22 0.24 0.775 0.012 1310100400080 0.20 0.22 0.772 0.012 1310100400081 0.18 0.20 0.761 0.012 1310100400082 0.16 0.18 0.773 0.011 1310100400083 0.14 0.16 0.762 0.011 1310100400084 0.12 0.14 0.757 0.010 1310100400085 0.10 0.12 0.779 0.010 1310100400086 0.090 0.10 0.757 0.014 1310100400087 0.080 0.090 0.762 0.013 1310100400088 0.070 0.080 0.770 0.012 1310100400089 0.060 0.070 0.780 0.011 1310100400090 0.050 0.060 0.763 0.011 1310100400091 0.040 0.050 0.779 0.010 1310100400092 0.030 0.040 0.772 0.009 1310100400093 0.020 0.030 0.788 0.008 1310100400094 0.010 0.020 0.767 0.006 1310100400095 0.0090 0.010 0.772 0.018 1310100400096 0.0080 0.0090 0.753 0.016 1310100400097 0.0070 0.0080 0.759 0.015 1310100400098 0.0060 0.0070 0.777 0.017 1310100400099 0.0050 0.0060 0.777 0.015 1310100400100 0.0040 0.0050 0.782 0.016 1310100400101 0.0030 0.0040 0.760 0.012 1310100400102 0.0020 0.0030 0.787 0.011 1310100400103 0.0010 0.0020 0.773 0.009 1310100400104 0.0009 0.0010 0.769 0.022 1310100400105 0.0008 0.0009 0.850 0.028 1310100400106 0.0007 0.0008 0.807 0.028 1310100400107 0.0006 0.0007 0.793 0.031 1310100400108 0.0005 0.0006 0.758 0.021 1310100400109 ENDDATA 86 0 1310100400110 ENDSUBENT 109 0 1310100499999 ENDENTRY 4 0 1310199999999