ENTRY 12614 19830808 00001261400000001 SUBENT 12614001 19830808 00001261400100001 BIB 14 29 1261400100002 INSTITUTE (1USACHI) 1261400100003 REFERENCE (J,PR,110,427,5804) 1261400100004 AUTHOR (E.ANDERS) 1261400100005 TITLE NEUTRON ACTIVATION CROSS SECTION OF TECHNETIUM-98 1261400100006 FACILITY (CYCLO) WASHINGTON UNIVERSITY CYCLOTRON 1261400100007 N-SOURCE TC-98 PREPARED FROM 10.2-MEV DEUTERON BOMBARDMENT FROM 1261400100008 CYCLOTRON OF NATURAL MOLYBDENUM 1261400100009 (REAC) ACTIVATION OF TC-98 BY CP-5 ARGONNE REACTOR 1261400100010 INC-SPECT PILE SPECTRUM. AU-CD RATIOS MEASURED 1261400100011 METHOD (COINC) BETA-GAMMA COINCIDENCE 1261400100012 DETECTOR (GEMUC) GEIGER-MUELLER TUBE CALIBRATED BY COBALT-60 1261400100013 (NAICR) THALLIUM DOPED SODIUM IODIDE CRYSTAL, 1261400100014 CALIBRATED BY 4-PI-BETA COUNTING OF MO-99 +TC-99-M 1261400100015 SOURCE,WITH LEAD,ZINC AND COPPER SHIELDING 1261400100016 SAMPLE TWO SAMPLES PREPARED FROM CYCLOTRON ONE YEAR APART 1261400100017 WITH TC-95-M,TC-97-M,TC-97-G AND TC-99-G AS IMPURITIES1261400100018 DECAY-DATA (43-TC-98,1.5E+06YR,B-,300.,,DG,740.,,DG,650.) 1261400100019 (43-TC-95-M,60.D,DG,810.,,DG,1020.) 1261400100020 (43-TC-97-M,90.D,B-,90.) 1261400100021 (43-TC-97-G,1.0E+05YR) 1261400100022 (43-TC-99-G,2.1E+05YR) 1261400100023 (43-TC-99-M,6.HR,DG,140.) 1261400100024 ANALYSIS SATURATION SPECIFIC ACTIVITY OF 375+-85 DISINTIGRATIONS1261400100025 PER MINUTE TC-99-M PER DIS/MIN OF TC-98 AT FLUX 1261400100026 2.1X10**12 GIVEN FOR FUTURE USE IF HALF-LIFE OF 1261400100027 TC-98 KNOWN BETTER.ASSUMES NO LONGER LIVED ISOTOPES 1261400100028 ERR-ANALYS MOST ERROR FROM HALF-LIFE UNCERTAINTY 0.7X10**6 YEAR. 1261400100029 HISTORY (780502C) 1261400100030 (820827A) DECAY DATA CORRECTED. 1261400100031 ENDBIB 29 0 1261400100032 NOCOMMON 0 0 1261400100033 ENDSUBENT 32 0 1261400199999 SUBENT 12614002 19780525 00001261400200001 BIB 3 3 1261400200002 REACTION (43-TC-98(N,G)43-TC-99-M,,SIG,,MXW) 1261400200003 MONITOR (42-MO-98(N,G)42-MO-99,,SIG,,MXW) 1261400200004 SAMPLE EARLY SAMPLE-ONE YEAR OLD 1261400200005 ENDBIB 3 0 1261400200006 NOCOMMON 0 0 1261400200007 DATA 5 1 1261400200008 EN-DUMMY DATA DATA-ERR MONIT MONIT-ERR 1261400200009 EV B B B B 1261400200010 0.0253 2.6 1.3 0.21 0.03 1261400200011 ENDDATA 3 0 1261400200012 ENDSUBENT 11 0 1261400299999 SUBENT 12614003 19780525 00001261400300001 BIB 3 3 1261400300002 REACTION (43-TC-98(N,G)43-TC-99-M,,SIG,,MXW) 1261400300003 MONITOR (42-MO-98(N,G)42-MO-99,,SIG,,MXW) 1261400300004 SAMPLE LATER SAMPLE 1261400300005 ENDBIB 3 0 1261400300006 NOCOMMON 0 0 1261400300007 DATA 5 1 1261400300008 EN-DUMMY DATA DATA-ERR MONIT MONIT-ERR 1261400300009 EV B B B B 1261400300010 0.0253 3.2 1.6 0.36 0.05 1261400300011 ENDDATA 3 0 1261400300012 ENDSUBENT 11 0 1261400399999 ENDENTRY 3 0 1261499999999