ENTRY 31774 20170616 31793177400000001 SUBENT 31774001 20170616 31793177400100001 BIB 11 23 3177400100002 TITLE The energy distribution of delayed fission neutrons 3177400100003 AUTHOR (S.Shalev,J.M.Cuttler) 3177400100004 INSTITUTE (3ISLHFA) 3177400100005 REFERENCE (J,NSE,51,52,1973) 3177400100006 FACILITY (REAC,3ISLHFA) 3177400100007 DETECTOR (HE3SP) 3177400100008 REL-REF (R,13700001,G.R.Keepin+,J,JNE,6,1,1957) Delayed neutron3177400100009 groups yields and half-lives. 3177400100010 METHOD Data for droup-2 delayed neutrons were obtained by 3177400100011 cycles of: 3177400100012 Irradiation: 60 sec 3177400100013 Delay: 2 sec 3177400100014 Counting: 96 sec 3177400100015 Cooling: 20 sec 3177400100016 Total time: 178 sec 3177400100017 CORRECTION Corrections were applied for finite energy resolution, 3177400100018 dependent detector efficiency, spectrum distribution 3177400100019 due to gamma rays, contribution of group-1 neutrons 3177400100020 to the group-2 measurements. 3177400100021 ERR-ANALYS (DATA-ERR) No information on the values of the 3177400100022 partial uncertainties 3177400100023 Quoted neutron energies are accurate to about 2% 3177400100024 HISTORY (20170616C) VS 3177400100025 ENDBIB 23 0 3177400100026 COMMON 1 3 3177400100027 DATA-ERR 3177400100028 PER-CENT 3177400100029 2. 3177400100030 ENDCOMMON 3 0 3177400100031 ENDSUBENT 30 0 3177400199999 SUBENT 31774002 20170616 31793177400200001 BIB 3 4 3177400200002 REACTION ((92-U-233(N,F),DL/GRP/PAR,NU,,MXW)/ 3177400200003 (92-U-233(N,F),DL/GRP,NU,,MXW)) 3177400200004 SAMPLE 70 micro-grams 233U sample. 3177400200005 STATUS (TABLE) Table VII of Nucl. Sci. Eng. 51(1973)52 3177400200006 ENDBIB 4 0 3177400200007 COMMON 4 3 3177400200008 EN-DUMMY GRP-NUM HL HL-ERR 3177400200009 EV NO-DIM SEC SEC 3177400200010 0.0253 2. 20.74 0.86 3177400200011 ENDCOMMON 3 0 3177400200012 DATA 3 22 3177400200013 E-MIN E-MAX DATA 3177400200014 KEV KEV NO-DIM 3177400200015 0. 150. 0.086 3177400200016 150. 200. 0.035 3177400200017 200. 250. 0.045 3177400200018 250. 300. 0. 3177400200019 300. 350. 0.038 3177400200020 350. 400. 0.122 3177400200021 400. 450. 0.010 3177400200022 450. 500. 0.140 3177400200023 500. 550. 0.063 3177400200024 550. 600. 0.085 3177400200025 600. 650. 0.008 3177400200026 650. 700. 0.050 3177400200027 700. 750. 0.061 3177400200028 750. 800. 0.039 3177400200029 800. 850. 0.050 3177400200030 850. 900. 0.022 3177400200031 900. 950. 0.035 3177400200032 950. 1000. 0.006 3177400200033 1000. 1050. 0.031 3177400200034 1050. 1100. 0.033 3177400200035 1100. 1150. 0.026 3177400200036 1150. 1200. 0.015 3177400200037 ENDDATA 24 0 3177400200038 ENDSUBENT 37 0 3177400299999 SUBENT 31774003 20170619 31793177400300001 BIB 3 4 3177400300002 REACTION ((90-TH-232(N,F),DL/GRP/PAR,NU,,FIS)/ 3177400300003 (90-TH-232(N,F),DL/GRP,NU,,FIS)) 3177400300004 SAMPLE 500 mg 232Th sample. 3177400300005 STATUS (TABLE) Table VII of Nucl. Sci. Eng. 51(1973)52 3177400300006 ENDBIB 4 0 3177400300007 COMMON 4 3 3177400300008 EN-DUMMY GRP-NUM HL HL-ERR 3177400300009 MEV NO-DIM SEC SEC 3177400300010 1.5 2. 20.75 0.66 3177400300011 ENDCOMMON 3 0 3177400300012 DATA 3 21 3177400300013 E-MIN E-MAX DATA 3177400300014 KEV KEV NO-DIM 3177400300015 0. 200. 0.039 3177400300016 200. 250. 0.016 3177400300017 250. 300. 0.011 3177400300018 300. 350. 0.040 3177400300019 350. 400. 0.116 3177400300020 400. 450. 0.070 3177400300021 450. 500. 0.138 3177400300022 500. 550. 0.057 3177400300023 550. 600. 0.057 3177400300024 600. 650. 0.018 3177400300025 650. 700. 0.056 3177400300026 700. 750. 0.083 3177400300027 750. 800. 0.028 3177400300028 800. 850. 0.057 3177400300029 850. 900. 0.026 3177400300030 900. 950. 0.022 3177400300031 950. 1000. 0.025 3177400300032 1000. 1050. 0.040 3177400300033 1050. 1100. 0.025 3177400300034 1100. 1150. 0.039 3177400300035 1150. 1200. 0.040 3177400300036 ENDDATA 23 0 3177400300037 ENDSUBENT 36 0 3177400399999 SUBENT 31774004 20170619 31793177400400001 BIB 3 4 3177400400002 REACTION ((92-U-235(N,F),DL/GRP/PAR,NU,,MXW)/ 3177400400003 (92-U-235(N,F),DL/GRP,NU,,MXW)) 3177400400004 SAMPLE 10 mg natural U sample. 3177400400005 STATUS (TABLE) Table VII of Nucl. Sci. Eng. 51(1973)52 3177400400006 ENDBIB 4 0 3177400400007 COMMON 4 3 3177400400008 EN-DUMMY GRP-NUM HL HL-ERR 3177400400009 EV NO-DIM SEC SEC 3177400400010 0.0253 2. 21.84 0.54 3177400400011 ENDCOMMON 3 0 3177400400012 DATA 3 22 3177400400013 E-MIN E-MAX DATA 3177400400014 KEV KEV NO-DIM 3177400400015 0. 150. 0.058 3177400400016 150. 200. 0.017 3177400400017 200. 250. 0.018 3177400400018 250. 300. 0.014 3177400400019 300. 350. 0.019 3177400400020 350. 400. 0.103 3177400400021 400. 450. 0.032 3177400400022 450. 500. 0.123 3177400400023 500. 550. 0.072 3177400400024 550. 600. 0.081 3177400400025 600. 650. 0.015 3177400400026 650. 700. 0.044 3177400400027 700. 750. 0.065 3177400400028 750. 800. 0.058 3177400400029 800. 850. 0.071 3177400400030 850. 900. 0.016 3177400400031 900. 950. 0.039 3177400400032 950. 1000. 0.024 3177400400033 1000. 1050. 0.046 3177400400034 1050. 1100. 0.033 3177400400035 1100. 1150. 0.030 3177400400036 1150. 1200. 0.020 3177400400037 ENDDATA 24 0 3177400400038 ENDSUBENT 37 0 3177400499999 SUBENT 31774005 20170619 31793177400500001 BIB 3 4 3177400500002 REACTION ((94-PU-239(N,F),DL/GRP/PAR,NU,,MXW)/ 3177400500003 (94-PU-239(N,F),DL/GRP,NU,,MXW)) 3177400500004 SAMPLE 100 ug 239Pu. 3177400500005 STATUS (TABLE) Table VII of Nucl. Sci. Eng. 51(1973)52 3177400500006 ENDBIB 4 0 3177400500007 COMMON 4 3 3177400500008 EN-DUMMY GRP-NUM HL HL-ERR 3177400500009 EV NO-DIM SEC SEC 3177400500010 0.0253 2. 22.29 0.36 3177400500011 ENDCOMMON 3 0 3177400500012 DATA 3 22 3177400500013 E-MIN E-MAX DATA 3177400500014 KEV KEV NO-DIM 3177400500015 0. 150. 0.063 3177400500016 150. 200. 0. 3177400500017 200. 250. 0.017 3177400500018 250. 300. 0. 3177400500019 300. 350. 0.011 3177400500020 350. 400. 0.102 3177400500021 400. 450. 0.028 3177400500022 450. 500. 0.134 3177400500023 500. 550. 0.088 3177400500024 550. 600. 0.087 3177400500025 600. 650. 0.010 3177400500026 650. 700. 0.034 3177400500027 700. 750. 0.065 3177400500028 750. 800. 0.056 3177400500029 800. 850. 0.075 3177400500030 850. 900. 0.017 3177400500031 900. 950. 0.049 3177400500032 950. 1000. 0.022 3177400500033 1000. 1050. 0.035 3177400500034 1050. 1100. 0.034 3177400500035 1100. 1150. 0.042 3177400500036 1150. 1200. 0.031 3177400500037 ENDDATA 24 0 3177400500038 ENDSUBENT 37 0 3177400599999 SUBENT 31774006 20170619 31793177400600001 BIB 3 5 3177400600002 REACTION ((92-U-238(N,F),DL/GRP/PAR,NU,,FIS)/ 3177400600003 (92-U-238(N,F),DL/GRP,NU,,FIS)) 3177400600004 SAMPLE 500 mg depleted U. 0.22% residual 235U. 3177400600005 Sample irradiated in cadmium tubing. 3177400600006 STATUS (TABLE) Table VII of Nucl. Sci. Eng. 51(1973)52 3177400600007 ENDBIB 5 0 3177400600008 COMMON 4 3 3177400600009 EN-DUMMY GRP-NUM HL HL-ERR 3177400600010 MEV NO-DIM SEC SEC 3177400600011 1.5 2. 21.58 0.39 3177400600012 ENDCOMMON 3 0 3177400600013 DATA 3 22 3177400600014 E-MIN E-MAX DATA 3177400600015 KEV KEV NO-DIM 3177400600016 0. 150. 0.044 3177400600017 150. 200. 0. 3177400600018 200. 250. 0.010 3177400600019 250. 300. 0.010 3177400600020 300. 350. 0.013 3177400600021 350. 400. 0.116 3177400600022 400. 450. 0.055 3177400600023 450. 500. 0.145 3177400600024 500. 550. 0.080 3177400600025 550. 600. 0.085 3177400600026 600. 650. 0.010 3177400600027 650. 700. 0.041 3177400600028 700. 750. 0.072 3177400600029 750. 800. 0.048 3177400600030 800. 850. 0.060 3177400600031 850. 900. 0.021 3177400600032 900. 950. 0.053 3177400600033 950. 1000. 0.014 3177400600034 1000. 1050. 0.028 3177400600035 1050. 1100. 0.037 3177400600036 1100. 1150. 0.037 3177400600037 1150. 1200. 0.021 3177400600038 ENDDATA 24 0 3177400600039 ENDSUBENT 38 0 3177400699999 SUBENT 31774007 20170619 31793177400700001 BIB 3 5 3177400700002 REACTION ((92-U-233(N,F),DL/GRP/PAR,NU,,MXW)/ 3177400700003 (92-U-233(N,F),DL/GRP,NU,,MXW)) 3177400700004 SAMPLE 70 micro-grams 233U sample. 3177400700005 STATUS (CURVE) Scanned from Fig. 18 of 3177400700006 Nucl. Sci. Eng. 51(1973)52 3177400700007 ENDBIB 5 0 3177400700008 COMMON 4 3 3177400700009 EN-DUMMY GRP-NUM HL HL-ERR 3177400700010 EV NO-DIM SEC SEC 3177400700011 0.0253 1. 55.11 1.86 3177400700012 ENDCOMMON 3 0 3177400700013 DATA 3 10 3177400700014 E-MIN E-MAX DATA 3177400700015 KEV KEV NO-DIM 3177400700016 200. 0.228 3177400700017 200. 300. 0.187 3177400700018 300. 400. 0.029 3177400700019 400. 500. 0.203 3177400700020 500. 600. 0.086 3177400700021 600. 700. 0.034 3177400700022 700. 800. 0.060 3177400700023 800. 900. 0.040 3177400700024 1000. 1100. 0. 3177400700025 1100. 1200. 0.035 3177400700026 ENDDATA 12 0 3177400700027 ENDSUBENT 26 0 3177400799999 ENDENTRY 7 0 3177499999999