ENTRY 13701 19980814 00001370100000001 SUBENT 13701001 19980814 00001370100100001 BIB 10 17 1370100100002 INSTITUTE (1USAANL) 1370100100003 REFERENCE (J,NSE,1,174,1956) 1370100100004 AUTHOR (G.S.BRUNSON,E.N.PETTITT,R.D.MCCURDY) 1370100100005 TITLE Delayed Neutron Yields in Pu, U-233, U-238, and Th 1370100100006 Relative to Yield in U-235 1370100100007 FACILITY (REAC) Experimental Breeder Reactor (EBR). 1370100100008 METHOD At least 4 runs made on each material. 1370100100009 Length of Time between end of 1370100100010 irradiation irradiation and count 1370100100011 6 min 100 sec 1370100100012 30 sec 30 sec 1370100100013 9 sec about 1.3 sec 1370100100014 3 sec about 1.3 sec 1370100100015 DETECTOR (BF3) 1370100100016 ERR-ANALYS (DATA-ERR) Estimated uncertainty. 1370100100017 STATUS Data taken from article. 1370100100018 HISTORY (19980814C) 1370100100019 ENDBIB 17 0 1370100100020 NOCOMMON 0 0 1370100100021 ENDSUBENT 20 0 1370100199999 SUBENT 13701002 19980814 00001370100200001 BIB 3 4 1370100200002 REACTION ((90-TH-232(N,F),DL,NU,,FIS)/ 1370100200003 (92-U-235(N,F),DL,NU,,FIS)) 1370100200004 SAMPLE 232Th metal sample, <0.003% 230Th. 1370100200005 CORRECTION Corrected for isotopic impurities. 1370100200006 ENDBIB 4 0 1370100200007 NOCOMMON 0 0 1370100200008 DATA 3 1 1370100200009 EN-MEAN DATA DATA-ERR 1370100200010 KEV NO-DIM PER-CENT 1370100200011 200. 3.09 17. 1370100200012 ENDDATA 3 0 1370100200013 ENDSUBENT 12 0 1370100299999 SUBENT 13701003 19980814 00001370100300001 BIB 3 5 1370100300002 REACTION ((92-U-233(N,F),DL,NU,,FIS)/(92-U-235(N,F),DL,NU,,FIS))1370100300003 SAMPLE U3O8 powder sample. Isotopic composition: 1370100300004 233U (98.9666%), 234U (0.127%), 235U (0.0102%), 1370100300005 238U (1.53%). 1370100300006 CORRECTION Corrected for isotopic impurities. 1370100300007 ENDBIB 5 0 1370100300008 NOCOMMON 0 0 1370100300009 DATA 3 1 1370100300010 EN-MEAN DATA DATA-ERR 1370100300011 KEV NO-DIM PER-CENT 1370100300012 200. 0.414 7.5 1370100300013 ENDDATA 3 0 1370100300014 ENDSUBENT 13 0 1370100399999 SUBENT 13701004 19980814 00001370100400001 BIB 3 5 1370100400002 REACTION ((92-U-233(N,F),DL,NU,,MXW)/(92-U-235(N,F),DL,NU,,FIS))1370100400003 SAMPLE U3O8 powder dispersed in powdered aluminum. Isotopic 1370100400004 composition: 233U (98.9666%), 234U (0.127%), 1370100400005 235U (0.0102%), 238U (1.53%). 1370100400006 CORRECTION Corrected for isotopic impurities. 1370100400007 ENDBIB 5 0 1370100400008 NOCOMMON 0 0 1370100400009 DATA 3 1 1370100400010 EN-MEAN DATA DATA-ERR 1370100400011 EV NO-DIM PER-CENT 1370100400012 0.0253 0.396 7.5 1370100400013 ENDDATA 3 0 1370100400014 ENDSUBENT 13 0 1370100499999 SUBENT 13701005 19980814 00001370100500001 BIB 3 5 1370100500002 REACTION ((92-U-235(N,F),DL,NU,,MXW)/(92-U-235(N,F),DL,NU,,FIS))1370100500003 SAMPLE U3O8 powder dispersed in powdered aluminum. Isotopic 1370100500004 composition: 235U (98.38%), 234U (1.04%), 1370100500005 238U (5.58%). 1370100500006 CORRECTION Corrected for isotopic impurities. 1370100500007 ENDBIB 5 0 1370100500008 NOCOMMON 0 0 1370100500009 DATA 3 1 1370100500010 EN-MEAN DATA DATA-ERR 1370100500011 EV NO-DIM PER-CENT 1370100500012 0.0253 1.017 11. 1370100500013 ENDDATA 3 0 1370100500014 ENDSUBENT 13 0 1370100599999 SUBENT 13701006 19980814 00001370100600001 BIB 3 3 1370100600002 REACTION ((92-U-238(N,F),DL,NU,,FIS)/(92-U-235(N,F),DL,NU,,FIS))1370100600003 SAMPLE Uranium metal sample, 99.9666% 238U, 0.0334% 235U. 1370100600004 CORRECTION Corrected for isotopic impurities. 1370100600005 ENDBIB 3 0 1370100600006 NOCOMMON 0 0 1370100600007 DATA 3 1 1370100600008 EN-MEAN DATA DATA-ERR 1370100600009 KEV NO-DIM PER-CENT 1370100600010 200. 2.23 7.5 1370100600011 ENDDATA 3 0 1370100600012 ENDSUBENT 11 0 1370100699999 SUBENT 13701007 19980814 00001370100700001 BIB 2 5 1370100700002 REACTION ((94-PU-239(N,F),DL,NU,,FIS)/ 1370100700003 (92-U-235(N,F),DL,NU,,FIS)) 1370100700004 SAMPLE Plutonium metal sample, isotopic composition: 1370100700005 239Pu (94.92%), 240Pu (4.75%), 241Pu (0.315%), 1370100700006 242Pu (0.010%). 1370100700007 ENDBIB 5 0 1370100700008 NOCOMMON 0 0 1370100700009 DATA 3 1 1370100700010 EN-MEAN DATA DATA-ERR 1370100700011 KEV NO-DIM PER-CENT 1370100700012 200. 0.405 7.5 1370100700013 ENDDATA 3 0 1370100700014 ENDSUBENT 13 0 1370100799999 SUBENT 13701008 19980814 00001370100800001 BIB 2 5 1370100800002 REACTION ((94-PU-239(N,F),DL,NU,,MXW)/ 1370100800003 (92-U-235(N,F),DL,NU,,FIS)) 1370100800004 SAMPLE PuO2 sample dispersed in powdered aluminum. Isotopic 1370100800005 composition: 239Pu (94.92%), 240Pu (4.75%), 1370100800006 241Pu (0.315%), 242Pu (0.010%). 1370100800007 ENDBIB 5 0 1370100800008 NOCOMMON 0 0 1370100800009 DATA 3 1 1370100800010 EN-MEAN DATA DATA-ERR 1370100800011 EV NO-DIM PER-CENT 1370100800012 0.0253 0.360 7.5 1370100800013 ENDDATA 3 0 1370100800014 ENDSUBENT 13 0 1370100899999 ENDENTRY 8 0 1370199999999