ENTRY 12591 20181203 14451259100000001 SUBENT 12591001 20181203 14451259100100001 BIB 13 23 1259100100002 INSTITUTE (1CANMCG) 1259100100003 REFERENCE (J,CJC,35,176,1957) 1259100100004 AUTHOR (L.P.Roy,L.Yaffe) 1259100100005 TITLE Search for successive neutron capture reactions on 1259100100006 Mg-26,Si-30,Cr-54. 1259100100007 FACILITY (REAC,1CANCRC) NRX reactor 1259100100008 (REAC,1USAMTR) Materials Testing Reactor at Arco, Idaho1259100100009 INC-SOURCE (REAC) 1259100100010 INC-SPECT Reactor pile spectrum 1259100100011 SAMPLE About 2 grams of spectroscopically pure Mg-26 oxide 1259100100012 sealed in quartz ampoules and irradiated for a few 1259100100013 days under intense fluxes. 1259100100014 METHOD (CHSEP)Chemical separation of daughter elements of 1259100100015 reaction products and measurement of beta decay 1259100100016 emission. 1259100100017 DETECTOR (GEMUC) Geiger-MUELLER counter. 1259100100018 ANALYSIS Decontamination factor of 10**8 assumed. Assumes long 1259100100019 life for Si-32 and Cr-56 1259100100020 STATUS (TABLE) Data from text of article 1259100100021 HISTORY (19780224C) 1259100100022 (20181128U) OS. Minor text modifications in subs.3,4. 1259100100023 Compiler's comment added in sub.3. 1259100100024 Converted to lower and upper case. 1259100100025 ENDBIB 23 0 1259100100026 NOCOMMON 0 0 1259100100027 ENDSUBENT 26 0 1259100199999 SUBENT 12591002 20181203 14451259100200001 BIB 3 5 1259100200002 REACTION (12-MG-27(N,G)12-MG-28,,SIG,,SPA) 1259100200003 METHOD Counting of Al-28 beta arising out of equilibrium 1259100200004 with highly purified Mg-28. 1259100200005 DECAY-DATA (12-MG-28,21.3HR,B-,450.) 1259100200006 (13-AL-28,2.3MIN,B-,2900.) 1259100200007 ENDBIB 5 0 1259100200008 NOCOMMON 0 0 1259100200009 DATA 2 1 1259100200010 EN-DUMMY DATA-MAX 1259100200011 EV B 1259100200012 0.0253 0.04 1259100200013 ENDDATA 3 0 1259100200014 ENDSUBENT 13 0 1259100299999 SUBENT 12591003 20181203 14451259100300001 BIB 4 13 1259100300002 REACTION (14-SI-31(N,G)14-SI-32,,SIG,,SPA) 1259100300003 DECAY-DATA (14-SI-32,280.YR,B-) 1259100300004 Compiler computed cross-section from data obtained 1259100300005 by experimenter of 600 years/barn using coded decay 1259100300006 data 1259100300007 (15-P-32,14.5D,B-) 1259100300008 COMMENT Comment by compiler (2018): Only experimental result 1259100300009 was ratio (half-life)/(cross-section) >= 600 yrs/b. 1259100300010 Half-life was not known at time of experiment. 1259100300011 Compiler in 1978 calculated cross section maximum using1259100300012 a half-life of 280 yrs. Recent value is 153 years which1259100300013 would give a cross section maximum of 0.26 b. 1259100300014 HISTORY (20181128U) COMMENT added. 1259100300015 ENDBIB 13 0 1259100300016 NOCOMMON 0 0 1259100300017 DATA 2 1 1259100300018 EN-DUMMY DATA-MAX 1259100300019 EV B 1259100300020 0.0253 0.47 1259100300021 ENDDATA 3 0 1259100300022 ENDSUBENT 21 0 1259100399999 SUBENT 12591004 20181203 14451259100400001 BIB 2 6 1259100400002 REACTION (24-CR-55(N,G)24-CR-56,,SIG,,SPA) 1259100400003 DECAY-DATA (24-CR-56,5.9MIN,B-) 1259100400004 Compiler computed cross-section from data obtained 1259100400005 by experimenter of 270 years/barn using coded decay 1259100400006 data 1259100400007 (25-MN-56,2.58HR,B-) 1259100400008 ENDBIB 6 0 1259100400009 NOCOMMON 0 0 1259100400010 DATA 2 1 1259100400011 EN-DUMMY DATA-MAX 1259100400012 EV B 1259100400013 0.0253 4.2 -08 1259100400014 ENDDATA 3 0 1259100400015 ENDSUBENT 14 0 1259100499999 ENDENTRY 4 0 1259199999999