ENTRY 12081 20190829 14591208100000001 SUBENT 12081001 20190829 14591208100100001 BIB 12 27 1208100100002 TITLE Thermal neutron capture cross sections of Er166 and 1208100100003 Er167 1208100100004 AUTHOR (G.R.Hopkins) 1208100100005 REFERENCE (J,BAP,3,336(R3),1958) 1208100100006 INSTITUTE (1USAWES) 1208100100007 FACILITY (REAC,1USAWES) 1208100100008 INC-SPECT Reactor spectrum. 1208100100009 SAMPLE Enriched samples. Sample #1: Er162,164<0.1%, 1208100100010 Er166=72.9%, Er167=17.7%, Er168=8.5%, Er170=0.8%. 1208100100011 Sample #2: Er162,164<0.1%, Er166=14.0%, Er167=58.8%, 1208100100012 Er168=25.3%, Er170=1.93%. 1208100100013 METHOD (REAC) Reactivity coefficient measurement. Enriched 1208100100014 samples were compared with natural erbium to obtain 1208100100015 capture areas. 1208100100016 ERR-ANALYS (ERR-T) 20% accuracy: includes 10% natural erbium 1208100100017 cross section uncertainty and assumes that the 1208100100018 resonances are distributed among isotopes in the 1208100100019 ratio of their thermal cross sections. 1208100100020 (ERR-1) Natural erbium cross section uncertainty. 1208100100021 MONITOR (68-ER-0(N,G),,SIG) 1208100100022 ASSUMED (ASSUM1,68-ER-168(N,G)68-ER-169,,SIG) 1208100100023 (ASSUM2,68-ER-170(N,G)68-ER-171,,SIG) 1208100100024 HISTORY (19760803T) Translated from SCISRS. 1208100100025 (19841018U) Common heading corrected. 1208100100026 (20190829A) BP: Updated to new date formats, lower 1208100100027 case. Corrections according last EXFOR rules and 1208100100028 Dict. Errors and sample updates. 1208100100029 ENDBIB 27 0 1208100100030 COMMON 4 3 1208100100031 MONIT ASSUM1 ASSUM2 ERR-1 1208100100032 B B B PER-CENT 1208100100033 166. 2. 9. 10.0 1208100100034 ENDCOMMON 3 0 1208100100035 ENDSUBENT 34 0 1208100199999 SUBENT 12081002 20190829 14591208100200001 BIB 2 2 1208100200002 REACTION (68-ER-166(N,G)68-ER-167,,SIG,,SPA) 1208100200003 STATUS (TABLE) page 337 of Bull.Am.Phys.Soc.3,336,1958. 1208100200004 ENDBIB 2 0 1208100200005 NOCOMMON 0 0 1208100200006 DATA 3 1 1208100200007 EN-DUMMY DATA ERR-T 1208100200008 MEV B B 1208100200009 2.53E-08 4.5E+01 9. 1208100200010 ENDDATA 3 0 1208100200011 ENDSUBENT 10 0 1208100299999 SUBENT 12081003 20190829 14591208100300001 BIB 2 2 1208100300002 REACTION (68-ER-167(N,G)68-ER-168,,SIG,,SPA) 1208100300003 STATUS (TABLE) page 337 of Bull.Am.Phys.Soc.3,336,1958. 1208100300004 ENDBIB 2 0 1208100300005 NOCOMMON 0 0 1208100300006 DATA 3 1 1208100300007 EN-DUMMY DATA ERR-T 1208100300008 MEV B B 1208100300009 2.53E-08 6.20E+02 1.25E+02 1208100300010 ENDDATA 3 0 1208100300011 ENDSUBENT 10 0 1208100399999 ENDENTRY 3 0 1208199999999