ENTRY 12596 19830808 00001259600000001 SUBENT 12596001 19830808 00001259600100001 BIB 9 12 1259600100002 INSTITUTE (1USAMTR) 1259600100003 REFERENCE (R,IN-1024,6608) 1259600100004 AUTHOR (C.H.HOGG,L.D.WEBER) 1259600100005 TITLE NEUTRON ACTIVATION CROSS SECTIONS FOR THE CO-60 ISOMERS1259600100006 METHOD (ACTIV)ACTIVATION MEASUREMENT OF DECAY BETA OF CO-61 1259600100007 ANALYSIS ASSUMES 1/V CROSS SECTION DEPENDENCE AND 1/E NEUTRON 1259600100008 SPECTRUM. 1259600100009 DECAY-DATA (27-CO-61,99.MIN,B-) 1259600100010 N-SOURCE (REAC)VH-2 POSITION IN MATERIALS TESTING REACTOR 1259600100011 FLUX 2.1E+14 N/SEC/CM**2. 1259600100012 HISTORY (780301C) 1259600100013 (820826A) INSTITUTE,DECAY-DATA CORRECTED. 1259600100014 ENDBIB 12 0 1259600100015 NOCOMMON 0 0 1259600100016 ENDSUBENT 15 0 1259600199999 SUBENT 12596002 19830808 00001259600200001 BIB 5 10 1259600200002 REACTION (27-CO-60(N,G)27-CO-61,,SIG) 1259600200003 MONITOR (27-CO-59(N,G)27-CO-60,,SIG) 1259600200004 SAMPLE CO-60 TAKEN FROM A SECTION OF 0.5 PERCENT CO-AL ALLOY 1259600200005 THAT HAD BEEN IRRADIATED FOR 100 DAYS.CO-60 SAMPLE 1259600200006 WAS THEN IRRADIATED BOTH UNSHIELDED AND WITH 40 MIL 1259600200007 CD SHIELD FOR 4 HOURS. MEASURED CO-60 CD RATIO 1259600200008 OF 10. FOR SAMPLE PREPARATION AND 9.4 FOR IRRADIATION.1259600200009 DECAY-DATA (27-CO-60-G,5.27YR,B-) 1259600200010 CORRECTION CO-61 GENERATED IN SAMPLE PREPARATION WAS LESS THAN 1259600200011 0.3 PERCENT. 1259600200012 ENDBIB 10 0 1259600200013 NOCOMMON 0 0 1259600200014 DATA 4 1 1259600200015 EN DATA DATA-ERR MONIT 1259600200016 EV B B B 1259600200017 0.0253 2.0 0.2 37. 1259600200018 ENDDATA 3 0 1259600200019 ENDSUBENT 18 0 1259600299999 SUBENT 12596003 19830808 00001259600300001 BIB 5 10 1259600300002 REACTION (27-CO-60(N,G)27-CO-61,,RI) 1259600300003 MONITOR (27-CO-59(N,G)27-CO-60,,RI) 1259600300004 SAMPLE CO-60 TAKEN FROM A SECTION OF 0.5 PERCENT CO-AL ALLOY 1259600300005 THAT HAD BEEN IRRADIATED FOR 100 DAYS. CO-60 SAMPLE 1259600300006 WAS THEN IRRADIATED BOTH UNSHIELDED AND WITH 40 MIL 1259600300007 CD SHIELD FOR 4 HOURS. MEASURED CO-60 CADMIUM RATIO 1259600300008 OF 10 FOR SAMPLE PREPERATION AND 9.4 FOR IRRADIATION. 1259600300009 DECAY-DATA (27-CO-60-G,5.72YR,B-) 1259600300010 CORRECTION CO-61 GENERATED IN SAMPLE PREPARATION WAS LESS THAN 1259600300011 0.3 PERCENT 1259600300012 ENDBIB 10 0 1259600300013 NOCOMMON 0 0 1259600300014 DATA 3 1 1259600300015 EN-MIN DATA MONIT 1259600300016 EV B B 1259600300017 0.5 4.3 74. 1259600300018 ENDDATA 3 0 1259600300019 ENDSUBENT 18 0 1259600399999 SUBENT 12596004 19780324 00001259600400001 BIB 6 9 1259600400002 REACTION (27-CO-60-M(N,G)27-CO-61,,SIG) 1259600400003 MONITOR (27-CO-59(N,G)27-CO-60,,SIG) 1259600400004 N-SOURCE (REAC)MATERIALS TESTING REACTOR IN BOTH VH-2 AND 1259600400005 VH-4 POSITION FLUX 1.8E+14 N/SEC/CM**2. 1259600400006 ANALYSIS FINAL DATA CALCULATED USING DATA FROM BOTH POSITIONS. 1259600400007 SAMPLE CO-59 SAMPLES IRRATIATED FOR 10-60 MINUTES IN EACH 1259600400008 POSITION.CADMIUM RATIO 33 FOR THIN CO-59 USING 1259600400009 40 MIL CD. 1259600400010 DECAY-DATA (27-CO-60-M,10.4MIN) 1259600400011 ENDBIB 9 0 1259600400012 NOCOMMON 0 0 1259600400013 DATA 4 1 1259600400014 EN DATA DATA-ERR MONIT 1259600400015 EV B B B 1259600400016 0.0253 58. 8. 37. 1259600400017 ENDDATA 3 0 1259600400018 ENDSUBENT 17 0 1259600499999 SUBENT 12596005 19780324 00001259600500001 BIB 6 9 1259600500002 REACTION (27-CO-60-M(N,G)27-CO-61,,RI) 1259600500003 MONITOR (27-CO-59(N,G)27-CO-60,,RI) 1259600500004 N-SOURCE (REAC)MATERIALS TESTING REACTOR IN BOTH VH-2 AND 1259600500005 VH-4 POSITION FLUX 1.8E+14 N/SEC/CM**2 1259600500006 ANALYSIS FINAL DATA CALCULATED USING DATA FROM BOTH POSITIONS 1259600500007 SAMPLE CO-59 SAMPLES IRRADIATED FOR 10-60 MINUTES IN EACH 1259600500008 POSITION. CADMIUM RATIO 33 FOR THIN CO-59 USING 1259600500009 40 MIL CD. 1259600500010 DECAY-DATA (27-CO-60-M,10.4MIN) 1259600500011 ENDBIB 9 0 1259600500012 NOCOMMON 0 0 1259600500013 DATA 4 1 1259600500014 EN-MIN DATA DATA-ERR MONIT 1259600500015 EV B B B 1259600500016 0.5 230. 50. 74. 1259600500017 ENDDATA 3 0 1259600500018 ENDSUBENT 17 0 1259600599999 ENDENTRY 5 0 1259699999999