ENTRY 22862 20110224 22262286200000001 SUBENT 22862001 20110224 22262286200100001 BIB 11 62 2286200100002 TITLE .Measurement of thermal neutron cross-sections and 2286200100003 resonance integrals for Dy-164(N,gamma)Dy-165 and 2286200100004 Hf-180(N,gamma)Hf-181 reactions. 2286200100005 AUTHOR (Hyun-Je Cho,K.Kobayashi,S.Yamamoto,Kyung-Won Seo, 2286200100006 Han Yull Hwang,Sang Kyun Nha,Seung Kook Ko) 2286200100007 INSTITUTE (2JPNKTO) 2286200100008 (3KORKAE) 2286200100009 (3KORKOR).Mokwon University, Doan-Dong, Tarjon. 2286200100010 (3KORULS) 2286200100011 REFERENCE (J,NIM/A,462,442,2001) 2286200100012 DETECTOR (HPGE) 2286200100013 FACILITY (REAC,2JPNKTO) A highly enriched uranium-fueled light 2286200100014 water-moderated research reactor, whose nominal power 2286200100015 is 5-MW-for the thermal neutron cross section. 2286200100016 (REAC,2JPNKNK) The Kinki University reactor is high 2286200100017 enriched uranium-fueled light water moderated and 2286200100018 graphite-reflected research reactor-for the resonance 2286200100019 integrals. 2286200100020 INC-SOURCE (REAC) The heavy water tank can be used as a thermal 2286200100021 neutron source of plane-type in a large space. 2286200100022 The thermal neutron flux at the sample irradiation 2286200100023 position was about 10**9 n/cm2/s. 2286200100024 METHOD (ACTIV) 2286200100025 SAMPLE *By authors*.For the thermal neutron cross-section 2286200100026 measurement, the samples of Dy, Hf and Au were put on 2286200100027 an aluminium sample holder. The irradiation time was 2286200100028 3-hr during the 5-MW operation of the Kyoto University2286200100029 reactor . 2286200100030 For the resonance integrals measurements, the samples 2286200100031 Dy and Hf were put into a Cd-cover 0.5-mm in thickness 2286200100032 and attached on an aluminium sample holder. A set of 2286200100033 Dy and Au or Hf and Au was irradiated during 2-3hr 2286200100034 with a nominal power of 1 Wt. 2286200100035 The neutron fluxes during the irradiation were measured2286200100036 on Au foil (12.7mm in diameter, 50 mm in thickness). 2286200100037 The neutron intensities among the irradiation runs 2286200100038 were monitored by a pair of Au foils (10mm in diameter2286200100039 and 20 mm in thickness) which were set at the upper 2286200100040 and lower positions 7.5 cm from the center. 2286200100041 ERR-ANALYS (ERR-T) Total uncertainties include: 2286200100042 (ERR-S) Statistical uncertainty 2286200100043 (ERR-1) uncertainty of detection efficiency 2286200100044 (ERR-2) uncertainty in mass of the foil sample 2286200100045 (ERR-3) uncertainty in half-life 2286200100046 (ERR-4) uncertainty in abundance ratio 2286200100047 (ERR-5) uncertainty in branch ratio 2286200100048 (ERR-7) uncertainty in self-shielding factor 2286200100049 (MONIT-ERR) Total error for Au-197 includes: 2286200100050 * statistical error (0.29% for cr.s.; 0.31% for RI) 2286200100051 * Error in detector efficiency is 2.66% 2286200100052 * Error in mass sample is (0.08% for cr.s.; 2286200100053 0.007% for RI) 2286200100054 * Error in half-life is 0.06%. 2286200100055 * Error in branching ratio is 0.01%. 2286200100056 * Error in g-factor is ( 0.11% for cr.s. only) 2286200100057 * Error in self-shielding factor is 0.01%. 2286200100058 HISTORY (20041128C) 2286200100059 (20041222U) Last checking has been done. 2286200100060 (20110224A) SD: In Subents 002, 004 REACTION code 2286200100061 SF8=MXW deleted. ERR-ANALYS moved to Subent 001 from 2286200100062 Subents 002-005. In Subents 002-005 partial 2286200100063 uncertainties in COMMON added 2286200100064 ENDBIB 62 0 2286200100065 COMMON 1 3 2286200100066 ERR-7 2286200100067 PER-CENT 2286200100068 0.01 2286200100069 ENDCOMMON 3 0 2286200100070 ENDSUBENT 69 0 2286200199999 SUBENT 22862002 20110224 22262286200200001 BIB 11 18 2286200200002 REACTION (66-DY-164(N,G)66-DY-165,,SIG) 2286200200003 RAD-DET (66-DY-165-G,DG) 2286200200004 DECAY-DATA (66-DY-165-G,2.334HR,DG,361.7,0.0084,DG,133.,0.428) 2286200200005 SAMPLE .Dy-164, isotopic composition is 28.18%, thickness 2286200200006 0.025-mm, was used as target. 2286200200007 REL-REF (D,,I.Celenk+,J,JRN,148,393,1991) 2286200200008 (A,,T.B.Ryves+,J,JP/A,7,2318,1974) 2286200200009 MONITOR ((MONIT)79-AU-197(N,G)79-AU-198,,SIG) 2286200200010 DECAY-MON (79-AU-198-G,2.695D,DG,411.8,0.955) 2286200200011 COMMENT *By authors*.The thermal neutron self-shielding factors2286200200012 is 0.98+-0.01. 2286200200013 ERR-ANALYS (ERR-6) uncertainty in g-factor 2286200200014 STATUS (COREL,22454002) Similar experiment made by the 2286200200015 same authors. Results the same 2286200200016 (TABLE) tbl.3 of NIM/A,462,442,2001 2286200200017 HISTORY (20110224A) SD: In REACTION code SF8=MXW deleted; 2286200200018 ERR-ANALYS moved to Subent 001; 2286200200019 partial uncertainties were added 2286200200020 ENDBIB 18 0 2286200200021 COMMON 6 3 2286200200022 ERR-1 ERR-2 ERR-3 ERR-4 ERR-5 ERR-6 2286200200023 PER-CENT PER-CENT PER-CENT PER-CENT PER-CENT PER-CENT 2286200200024 2.45 0.05 0.28 0.06 0.04 0.40 2286200200025 ENDCOMMON 3 0 2286200200026 DATA 6 1 2286200200027 EN DATA ERR-S ERR-T MONIT MONIT-ERR 2286200200028 EV B PER-CENT B B B 2286200200029 0.0253 2656. 0.44 98. 98.65 0.09 2286200200030 ENDDATA 3 0 2286200200031 ENDSUBENT 30 0 2286200299999 SUBENT 22862003 20110224 22262286200300001 BIB 10 14 2286200300002 REACTION (66-DY-164(N,G)66-DY-165,,RI) 2286200300003 RAD-DET (66-DY-165-G,DG) 2286200300004 DECAY-DATA (66-DY-165-G,2.334HR,DG,361.7,0.0084,DG,133.,0.428) 2286200300005 SAMPLE .Dy-164, isotopic composition is 28.18%, thickness 2286200300006 0.025-mm, was used as target. 2286200300007 MONITOR ((MONIT)79-AU-197(N,G)79-AU-198,,RI) 2286200300008 DECAY-MON (79-AU-198-G,2.695D,DG,411.8,0.955) 2286200300009 REL-REF (D,,R.Van der Linden+,J,JRN,20,695,1974) 2286200300010 (A,,E.Gryntakis+,R,IAEA-273,1987) 2286200300011 COMMENT *By authors*.The neutron self-shielding factors 2286200300012 is 0.98+-0.01. 2286200300013 STATUS (TABLE) tbl.6 of NIM/A,462,442,2001 2286200300014 HISTORY (20110224A) SD: ERR-ANALYS moved to Subent 001; 2286200300015 partial uncertainties were added 2286200300016 ENDBIB 14 0 2286200300017 COMMON 5 3 2286200300018 ERR-1 ERR-2 ERR-3 ERR-4 ERR-5 2286200300019 PER-CENT PER-CENT PER-CENT PER-CENT PER-CENT 2286200300020 2.45 0.007 0.28 0.06 0.04 2286200300021 ENDCOMMON 3 0 2286200300022 DATA 6 1 2286200300023 EN-MIN DATA ERR-S ERR-T MONIT MONIT-ERR 2286200300024 EV B PER-CENT B B B 2286200300025 0.5 649. 0.49 24. 1550. 28. 2286200300026 ENDDATA 3 0 2286200300027 ENDSUBENT 26 0 2286200399999 SUBENT 22862004 20110224 22262286200400001 BIB 11 18 2286200400002 REACTION (72-HF-180(N,G)72-HF-181,,SIG) 2286200400003 RAD-DET (72-HF-181,DG) 2286200400004 DECAY-DATA (72-HF-181,42.39D,DG,482.2,0.855) 2286200400005 SAMPLE Hf-180, isotopic composition is 35.22%, thickness 2286200400006 0.025-mm, was used as target. 2286200400007 REL-REF (A,,W.Mannhart,J,ZP/A,272,273,1975) 2286200400008 (D,,L.Seren+,J,PR,72,888,1947) 2286200400009 MONITOR ((MONIT)79-AU-197(N,G)79-AU-198,,SIG) 2286200400010 DECAY-MON (79-AU-198-G,2.695D,DG,411.8,0.955) 2286200400011 COMMENT *By authors*.The thermal neutron self-shielding factors2286200400012 is 0.97+-0.02. 2286200400013 ERR-ANALYS (ERR-6) uncertainty in g-factor 2286200400014 STATUS (COREL,22454003) Similar experiment made by the 2286200400015 same authors. Results the same. 2286200400016 (TABLE) tbl.4 of NIM/A,462,442,2001 2286200400017 HISTORY (20110224A) SD: In REACTION code SF8=MXW deleted; 2286200400018 ERR-ANALYS moved to Subent 001; 2286200400019 partial uncertainties were added 2286200400020 ENDBIB 18 0 2286200400021 COMMON 6 3 2286200400022 ERR-1 ERR-2 ERR-3 ERR-4 ERR-5 ERR-6 2286200400023 PER-CENT PER-CENT PER-CENT PER-CENT PER-CENT PER-CENT 2286200400024 2.25 0.04 0.71 0.02 0.05 0.10 2286200400025 ENDCOMMON 3 0 2286200400026 DATA 6 1 2286200400027 EN DATA ERR-S ERR-T MONIT MONIT-ERR 2286200400028 EV B PER-CENT B B B 2286200400029 0.0253 13.04 0.32 0.47 98.65 0.09 2286200400030 ENDDATA 3 0 2286200400031 ENDSUBENT 30 0 2286200499999 SUBENT 22862005 20110224 22262286200500001 BIB 10 14 2286200500002 REACTION (72-HF-180(N,G)72-HF-181,,RI) 2286200500003 RAD-DET (72-HF-181,DG) 2286200500004 DECAY-DATA (72-HF-181,42.39D,DG,482.2,0.855) 2286200500005 SAMPLE Hf-180, isotopic composition is 35.22%, thickness 2286200500006 0.025-mm, was used as target. 2286200500007 MONITOR ((MONIT)79-AU-197(N,G)79-AU-198,,RI) 2286200500008 DECAY-MON (79-AU-198-G,2.695D,DG,411.8,0.955) 2286200500009 REL-REF (A,,R.Van der Linden+,J,JRN,20,695,1974) 2286200500010 (D,,M.D.Ricabarra+,R,INDC(ARG)-3,10,1972) 2286200500011 COMMENT *By authors*.The neutron self-shielding factors 2286200500012 is 0.97+-0.02. 2286200500013 STATUS (TABLE) tbl.7 of NIM/A,462,442,2001 2286200500014 HISTORY (20110224A) SD: ERR-ANALYS moved to Subent 001; 2286200500015 partial uncertainties were added 2286200500016 ENDBIB 14 0 2286200500017 COMMON 5 3 2286200500018 ERR-1 ERR-2 ERR-3 ERR-4 ERR-5 2286200500019 PER-CENT PER-CENT PER-CENT PER-CENT PER-CENT 2286200500020 2.25 0.009 0.71 0.02 0.05 2286200500021 ENDCOMMON 3 0 2286200500022 DATA 6 1 2286200500023 EN-MIN DATA ERR-S ERR-T MONIT MONIT-ERR 2286200500024 EV B PER-CENT B B B 2286200500025 0.5 32.4 0.31 1.2 1550. 28. 2286200500026 ENDDATA 3 0 2286200500027 ENDSUBENT 26 0 2286200599999 ENDENTRY 5 0 2286299999999