ENTRY 20029 20190117 22782002900000001 SUBENT 20029001 20190117 22782002900100001 BIB 12 28 2002900100002 INSTITUTE (2AUSGFK) 2002900100003 REFERENCE (J,AKE,15,83,1970) 2002900100004 (P,EANDC(OR)-68,10(1),1968) Prelim. data for Al, Mn, I 2002900100005 (P,EANDC(OR)-68,10(2),1968) Prelim. data for Th 2002900100006 AUTHOR (L.Breitenhuber,H.Heimel,M.Pinter) 2002900100007 TITLE The resonance integral of Th-232 in infinite dilution 2002900100008 FACILITY (REAC,2AUSGFK) Thermal reactor 2002900100009 INC-SOURCE (REAC) Central channel of ARGONAUT reactor 2002900100010 SAMPLE Chemical composition = Th(N-O3)4 x 5H(2)-O 2002900100011 foils of 30 mm diam. 2002900100012 MONITOR ((MONIT1)79-AU-197(N,G)79-AU-198,,RI) 2002900100013 ((MONIT2)79-AU-197(N,G)79-AU-198,,SIG) for neutron flux2002900100014 MONIT-REF (,J.R.Stehn+,R,BNL-325,1965) All assumed data were 2002900100015 taken from the same ref. 2002900100016 COMMENT The activation and the absorption resonance integral 2002900100017 have been measured for the same sample of thorium in 2002900100018 the same neutron spectrum. 2002900100019 A control of the results concerning the neutron 2002900100020 spectrum of the ARGONAUT reactor has been obtained by 2002900100021 measuring the resonance integrals of manganese, iodine2002900100022 and aluminium. 2002900100023 All calibrations have been performed under the very 2002900100024 same conditions as the measurements. 2002900100025 ERR-ANALYS (DATA-ERR) The error quoted also contains the 2002900100026 uncertainty of the standard resonance integral of gold2002900100027 HISTORY (19701020C) 2002900100028 (20190117A) SD:Updated to new date formats,lower case. 2002900100029 MONIT added. STATUS moved to Subents 002-006. 2002900100030 ENDBIB 28 0 2002900100031 COMMON 3 3 2002900100032 MONIT1 MONIT1-ERR MONIT2 2002900100033 B PER-CENT B 2002900100034 1509. 3. 98.5 2002900100035 ENDCOMMON 3 0 2002900100036 ENDSUBENT 35 0 2002900199999 SUBENT 20029002 20190117 22782002900200001 BIB 5 7 2002900200002 REACTION (13-AL-27(N,G)13-AL-28,,RI) 2002900200003 METHOD (ACTIV) Cadmium-ratio = 25.4 +- 0.6%. 2002900200004 ASSUMED (ASSUM,13-AL-27(N,G)13-AL-28,,SIG) Sig0 2002900200005 STATUS (TABLE) text on p.86 of Atomkernenergie,Vol.15(1970)83 2002900200006 HISTORY (19710803C) 2002900200007 (20190117A) SD: ASSUMED,STATUS added. BIB updated. 2002900200008 PART-DET; EN-MAX deleted. 2002900200009 ENDBIB 7 0 2002900200010 NOCOMMON 0 0 2002900200011 DATA 4 1 2002900200012 EN-MIN DATA DATA-ERR ASSUM 2002900200013 MEV B PER-CENT B 2002900200014 4.0E-07 0.178 5.0 0.235 2002900200015 ENDDATA 3 0 2002900200016 ENDSUBENT 15 0 2002900299999 SUBENT 20029003 20190117 22782002900300001 BIB 5 7 2002900300002 REACTION (25-MN-55(N,G)25-MN-56,,RI) 2002900300003 METHOD (ACTIV) Cadmium ratio = 15.45 +- 0.06%. 2002900300004 ASSUMED (ASSUM,25-MN-55(N,G)25-MN-56,,SIG) Sig0 2002900300005 STATUS (TABLE) text on p.10 of EANDC(OR)-68(1968)10(1) 2002900300006 HISTORY (19710803C) 2002900300007 (20190117A) SD: ASSUMED,STATUS added. BIB updated. 2002900300008 PART-DET; EN-MAX deleted. 2002900300009 ENDBIB 7 0 2002900300010 NOCOMMON 0 0 2002900300011 DATA 5 1 2002900300012 EN-MIN DATA DATA-ERR ASSUM ASSUM-ERR 2002900300013 MEV B PER-CENT B B 2002900300014 5.5E-07 15.4 5. 13.3 0.1 2002900300015 ENDDATA 3 0 2002900300016 ENDSUBENT 15 0 2002900399999 SUBENT 20029004 20190117 22782002900400001 BIB 5 8 2002900400002 REACTION (53-I-127(N,G)53-I-128,,RI) 2002900400003 METHOD (ACTIV) 2002900400004 Cadmium ratio = 1.67 +- 0.03 (0.5 mm Cd) 2002900400005 ASSUMED (ASSUM,53-I-127(N,G)53-I-128,,SIG) Sig0 2002900400006 STATUS (TABLE) text on p.10 of Atomkernenergie,Vol.15(1970)83 2002900400007 HISTORY (19710803C) 2002900400008 (20190117A) SD: ASSUMED,STATUS added. BIB updated. 2002900400009 PART-DET; EN-MAX deleted. 2002900400010 ENDBIB 8 0 2002900400011 NOCOMMON 0 0 2002900400012 DATA 5 1 2002900400013 EN-MIN DATA DATA-ERR ASSUM ASSUM-ERR 2002900400014 MEV B PER-CENT B B 2002900400015 4.0E-07 149. 5.0 6.2 0.2 2002900400016 ENDDATA 3 0 2002900400017 ENDSUBENT 16 0 2002900499999 SUBENT 20029005 20190117 22782002900500001 BIB 7 15 2002900500002 REACTION 1(90-TH-232(N,G)90-TH-233,,RI) 2002900500003 .Lower limit 0.4 eV, 1/v part included 2002900500004 2(90-TH-232(N,G)90-TH-233,,RI,,RNV) 2002900500005 METHOD (ACTIV) Cadmium ratios. 2002900500006 ANALYSIS Cadmium-ratio = 2.383+-1%. This leads to 2002900500007 sigma(r)/sigma(0)= 11.6+-3%. Using sigma(0)=7.4+-0.1b 2002900500008 an excess resonance integral (activation) 2002900500009 sigma(r) = 86.1+-4b is obtained. 2002900500010 ASSUMED (ASSUM,90-TH-232(N,G)90-TH-233,,SIG) Sig0 2002900500011 COMMENT .The value for the resonance integral obtained by 2002900500012 activation is slightly lower than the absorption value2002900500013 STATUS (TABLE) text on p.86 of Atomkernenergie,Vol.15(1970)83 2002900500014 HISTORY (19701020C) 2002900500015 (20190117A) SD: ASSUMED, REACTION (2) added. 2002900500016 PART-DET; EN-MAX deleted. 2002900500017 ENDBIB 15 0 2002900500018 COMMON 2 3 2002900500019 ASSUM ASSUM-ERR 2002900500020 B B 2002900500021 7.4 0.1 2002900500022 ENDCOMMON 3 0 2002900500023 DATA 5 1 2002900500024 EN-MIN DATA 1DATA-ERR 1DATA 2DATA-ERR 2 2002900500025 MEV B B B B 2002900500026 4.0E-07 89.8 4.0 86.1 4.0 2002900500027 ENDDATA 3 0 2002900500028 ENDSUBENT 27 0 2002900599999 SUBENT 20029006 20190117 22782002900600001 BIB 7 13 2002900600002 REACTION 1(90-TH-232(N,ABS),,RI) 2002900600003 2(90-TH-232(N,ABS),,RI,,RNV) 2002900600004 METHOD (REAC) Danger coefficient method, determination of 2002900600005 the reactivity from the stable period. 2002900600006 DETECTOR (BF3) Boron-trifluoride counter 2002900600007 ANALYSIS Extrapolation of the reactivity effect to 2002900600008 mass 0 gives an effective cross section of 24.4+-0.2b 2002900600009 .using a thermal cross section of Th-232 (7.4+-0.1b.) 2002900600010 ASSUMED (ASSUM,90-TH-232(N,G)90-TH-233,,SIG) Sig0 2002900600011 STATUS (TABLE) text on p.85 of Atomkernenergie,Vol.15(1970)83 2002900600012 HISTORY (19701020C) 2002900600013 (20190117A) SD: ASSUMED, REACTION (2) added. 2002900600014 EN-MAX deleted. 2002900600015 ENDBIB 13 0 2002900600016 COMMON 2 3 2002900600017 ASSUM ASSUM-ERR 2002900600018 B B 2002900600019 7.4 0.1 2002900600020 ENDCOMMON 3 0 2002900600021 DATA 5 1 2002900600022 EN-MIN DATA 1DATA-ERR 1DATA 2DATA-ERR 2 2002900600023 MEV B B B B 2002900600024 4.0E-07 93.0 6.0 89. 6. 2002900600025 ENDDATA 3 0 2002900600026 ENDSUBENT 25 0 2002900699999 ENDENTRY 6 0 2002999999999