ENTRY 23223 20131224 22382322300000001 SUBENT 23223001 20131224 22382322300100001 BIB 13 17 2322300100002 TITLE Cross sections of the reactions 55Mn(n,2n)54Mn, 2322300100003 58Ni(n,2n)57Ni and 58Ni(n,np)57Co averaged over the 2322300100004 U-235 fission neutron spectrum 2322300100005 AUTHOR (O.Horibe, H.Chatani) 2322300100006 INSTITUTE (2JPNKNK,2JPNKTO) 2322300100007 REFERENCE (C,91JUELIC,,68,1991) 2322300100008 FACILITY (REAC,2JPNKTO) 2322300100009 INC-SPECT U-235 fission neutron spectrum 2322300100010 INC-SOURCE Neutrons from U-235 fission plate 2322300100011 METHOD (ACTIV) 2322300100012 DETECTOR (HPGE) 2322300100013 MONITOR (13-AL-27(N,A)11-NA-24,,SIG,,FIS) 2322300100014 COMMENT Hiroshi Chatani (2013-12-24): 2322300100015 - Hyper-pure germanium detector was used. 2322300100016 - 27Al(n,a)24Na=0.705 mb was used for all 3 reactions 2322300100017 STATUS (APRVD) Approved by Hiroshi Chatani (2013-12-24) 2322300100018 HISTORY (20131224C) On 2322300100019 ENDBIB 17 0 2322300100020 COMMON 1 3 2322300100021 MONIT 2322300100022 MB 2322300100023 0.705 2322300100024 ENDCOMMON 3 0 2322300100025 ENDSUBENT 24 0 2322300199999 SUBENT 23223002 20131224 22382322300200001 BIB 4 6 2322300200002 REACTION (25-MN-55(N,2N)25-MN-54,,SIG,,FIS) 2322300200003 DECAY-DATA (25-MN-54,312.D,DG,834.8,1.) 2322300200004 REL-REF (M,22140001,O.Horibe+,C,89WASH,2,923,1989) 2322300200005 Similar experimental procedure described 2322300200006 STATUS (TABLE) Table 1 of Proc. Conf.on Nucl.Data for Sci. 2322300200007 and Technol.,Juelich 1991, p.68. 2322300200008 ENDBIB 6 0 2322300200009 NOCOMMON 0 0 2322300200010 DATA 3 1 2322300200011 KT-DUMMY DATA DATA-ERR 2322300200012 MEV MB MB 2322300200013 1.32 0.150 0.017 2322300200014 ENDDATA 3 0 2322300200015 ENDSUBENT 14 0 2322300299999 SUBENT 23223003 20131224 22382322300300001 BIB 5 12 2322300300002 REACTION (28-NI-58(N,X)27-CO-57,,SIG,,FIS) 2322300300003 SAMPLE (28-NI-58,NAT=0.683) 2322300300004 DECAY-DATA (27-CO-57,271.65D,DG,122.,0.856) 2322300300005 CORRECTION Corrections were considered for 2322300300006 - detection efficiencies 2322300300007 (0.0894 for L=8 mm, 0.0295 for L=30 mm) 2322300300008 - cascade coincidence summing 2322300300009 (1.0 for both L=8 mm and 30 mm) 2322300300010 - self-shielding 2322300300011 (0.971 for both L=8 mm and 30 mm) 2322300300012 STATUS (TABLE) Text (p69) Proc. Conf.on Nucl.Data for Sci. 2322300300013 and Technol.,Juelich 1991, p.68. 2322300300014 ENDBIB 12 0 2322300300015 NOCOMMON 0 0 2322300300016 DATA 3 1 2322300300017 KT-DUMMY DATA DATA-ERR 2322300300018 MEV MB MB 2322300300019 1.32 0.232 0.005 2322300300020 ENDDATA 3 0 2322300300021 ENDSUBENT 20 0 2322300399999 SUBENT 23223004 20131224 22382322300400001 BIB 6 20 2322300400002 REACTION (28-NI-58(N,2N)28-NI-57,,SIG,,FIS) 2322300400003 SAMPLE (28-NI-57,NAT=0.683) 2322300400004 DECAY-DATA (28-NI-57,35.99HR,DG,127.,0.1288) 2322300400005 The 127 keV gamma line was used instead of the 2322300400006 1379 keV gamma line to avoid 214Bi natural background.2322300400007 ANALYSIS Weighted mean of three values obtained from 2322300400008 three measurements labelled by the source-detector 2322300400009 distance L and corresponding dead-time dt in %: 2322300400010 4.92 +/- 0.75 ub (L=30 mm, dt=2.6%) 2322300400011 5.10 +/- 0.71 ub (L=30 mm, dt=2.5%) 2322300400012 4.90 +/- 0.55 ub (L= 8 mm, dt=6.0%) 2322300400013 CORRECTION Corrections at the source-detector distance L are 2322300400014 - detection efficiencies 2322300400015 (0.0859 for L=8 mm, 0.0294 for L=30 mm) 2322300400016 - cascade coincidence summing 2322300400017 (1.196 for L=8 mm, 1.062 for L=30 mm) 2322300400018 - self-shielding 2322300400019 (0.971 for both L=8 mm and 30 mm) 2322300400020 STATUS (TABLE) Table 4 of Proc. Conf.on Nucl.Data for Sci. 2322300400021 and Technol.,Juelich 1991, p.68. 2322300400022 ENDBIB 20 0 2322300400023 NOCOMMON 0 0 2322300400024 DATA 3 1 2322300400025 KT-DUMMY DATA DATA-ERR 2322300400026 MEV MICRO-B MICRO-B 2322300400027 1.32 4.98 0.38 2322300400028 ENDDATA 3 0 2322300400029 ENDSUBENT 28 0 2322300499999 ENDENTRY 4 0 2322399999999