ENTRY 31548 20200519 31963154800000001 SUBENT 31548001 20200519 31963154800100001 BIB 14 29 3154800100002 TITLE 232Th(n,g)233Th thermal reaction cross-section 3154800100003 measurement 3154800100004 AUTHOR (N.L.Maidana, V.R.Vanin, R.M.Castro, P.R.Pascholati, 3154800100005 O.Helene, M.S.Dias, M.F.Koskinas) 3154800100006 INSTITUTE (3BZLUSP,3BZLCTA,3BZLIPE) 3154800100007 REFERENCE (C,2004SANTA,,1466,2004) 3154800100008 REL-REF (N,31547001,N.L.Maidana+,J,PR/C,70,014602,2004) 3154800100009 Details about the thermal and epitermal neutron flux 3154800100010 monitor 3154800100011 FACILITY (REAC,3BZLIPE) IPEN IEA-R1m 5MW research reactor 3154800100012 METHOD (ACTIV) Irradiated for 20 min, cooled for ~1 day 3154800100013 (GSPEC) Measured for 1 day (Au) and 3 days (Th) 3154800100014 INC-SPECT The thermal and epithermal average neutron fluxes are 3154800100015 about 6E10+11 and 2E+11 n/cm2/s, respectively. 3154800100016 SAMPLE Metallic Th ( ~1.5 mg, 20 ug uncertainty) made from 3154800100017 a foil (0.0508-mm thick, 99,8503% purity). 3154800100018 Th target and Au-Al foils irradiated in pairs with and 3154800100019 without a 0.5-mm-thick Cd shield wrapped in thin 3154800100020 commercial Al foils. 3154800100021 DETECTOR (HPGE) HPGe detector shielded by a 10-cm thick Pb wall 3154800100022 and calibrated with a standard 152Eu source 3154800100023 MONITOR (79-AU-197(N,G)79-AU-198,,SIG) 3154800100024 DECAY-MON (79-AU-198-G,2.6943D,DG,411.804,.9557) 3154800100025 ERR-ANALYS (ERR-T) 2.8% uncertainty mainly due to 3154800100026 (ERR-1) Epithermal neutron correction (1.9%) 3154800100027 (ERR-2) 312-keV gamma-ray intensity (1.0%) 3154800100028 (ERR-3) Au cross section (0.3%) 3154800100029 HISTORY (20050510C) SD 3154800100030 (20200519A) On. ERR-ANALYS updated. 3154800100031 ENDBIB 29 0 3154800100032 COMMON 3 3 3154800100033 ERR-1 ERR-2 ERR-3 3154800100034 PER-CENT PER-CENT PER-CENT 3154800100035 1.9 1.0 0.3 3154800100036 ENDCOMMON 3 0 3154800100037 ENDSUBENT 36 0 3154800199999 SUBENT 31548002 20200519 31963154800200001 BIB 5 8 3154800200002 REACTION (90-TH-232(N,G)90-TH-233,,SIG) 3154800200003 DECAY-DATA (90-TH-233,22.MIN) 3154800200004 (91-PA-233,26.975D,DG,300.34,0.0662, 3154800200005 DG,312.17,0.386, 3154800200006 DG,340.81,0.0447) 3154800200007 RAD-DET (91-PA-233,DG) 3154800200008 STATUS (TABLE) Table 2 of AIP Conf.769(2005)1466 3154800200009 HISTORY (20200519A) On. DATA-ERR -> ERR-T, EN-DUMMY -> EN. 3154800200010 ENDBIB 8 0 3154800200011 NOCOMMON 0 0 3154800200012 DATA 3 1 3154800200013 EN DATA ERR-T 3154800200014 EV B PER-CENT 3154800200015 0.0253 7.20 2.8 3154800200016 ENDDATA 3 0 3154800200017 ENDSUBENT 16 0 3154800299999 ENDENTRY 2 0 3154899999999