ENTRY 21255 20170122 22572125500000001 SUBENT 21255001 20170122 22572125500100001 BIB 17 32 2125500100002 INSTITUTE (2ZZZGEL) 2125500100003 REFERENCE (J,NSE,24,87,196601) 2125500100004 AUTHOR (R.Vaninbroukx) 2125500100005 TITLE The thermal neutron activation cross section of Co-59 2125500100006 FACILITY (REAC,2BLGMOL) BR1 reactor Mol, Belgium. 2125500100007 INC-SOURCE (THCOL) Thermal colum., time of irradiation 174 min. 2125500100008 SAMPLE ~50 thin pure foils of Co, 20 mu thick, diam 10 mm. 2125500100009 and about 1000 other cobalt and gold foils of 2125500100010 different sizes and thicknesses have been arranged 2125500100011 around the first foils and irradiated with them to 2125500100012 determine the necessary corrections. 2125500100013 METHOD (ACTIV) Activation. 2125500100014 DETECTOR (NAICR) Gamma spectrometer. 2125500100015 (COIN,PROPC,NAICR) 4*Pi-beta-gamma coincidence counter 2125500100016 DECAY-DATA (27-CO-60-G,5.265YR,DG) 2125500100017 MONITOR (79-AU-197(N,G)79-AU-198-G,,SIG) 2125500100018 DECAY-MON (79-AU-198-G,2.695D,DG) 2125500100019 COMMENT Gold foils of 5 mu thickness, 10 mm diam. 2125500100020 STATUS (TABLE) Data from the text of NSE,24,87,1966 2125500100021 CORRECTION For epithermal neutrons, flux perturbation and flux 2125500100022 anisotropy. 2125500100023 ERR-ANALYS (DATA-ERR) Maximum possible error equal to twice the 2125500100024 statistical sum of errors 2125500100025 (ERR-1) Detector uncertainty 2125500100026 (ERR-2,,5.) Uncertainty in corrections 2125500100027 (ERR-3,,0.2) The standard deviation of a single 2125500100028 measurement is better than 0.2%, and 2125500100029 (ERR-S,,0.4) The statistical sum of all errors 2125500100030 (MONIT-ERR) Uncertainty in monitor reaction 2125500100031 HISTORY (19800115T) G.C. 2125500100032 (20170122A) SD:Updated to new date formats,lower case; 2125500100033 ERR-ANALYS update. Data in Subent 002 corrected. 2125500100034 ENDBIB 32 0 2125500100035 COMMON 5 3 2125500100036 EN-DUMMY EN-NRM MONIT MONIT-ERR ERR-1 2125500100037 EV EV B B PER-CENT 2125500100038 0.0253 0.0253 98.8 0.2 0.2 2125500100039 ENDCOMMON 3 0 2125500100040 ENDSUBENT 39 0 2125500199999 SUBENT 21255002 20170122 22572125500200001 BIB 2 3 2125500200002 REACTION (27-CO-59(N,G)27-CO-60,,SIG,,MXW) 2125500200003 HISTORY (20170122A) SD: Data were corrected (34.9 -> 37.4b; 2125500200004 1. -> 0.3b). 2125500200005 ENDBIB 3 0 2125500200006 NOCOMMON 0 0 2125500200007 DATA 2 1 2125500200008 DATA DATA-ERR 2125500200009 B B 2125500200010 37.4 0.3 2125500200011 ENDDATA 3 0 2125500200012 ENDSUBENT 11 0 2125500299999 ENDENTRY 2 0 2125599999999