ENTRY 21613 20101114 22252161300000001 SUBENT 21613001 20101114 22252161300100001 BIB 13 38 2161300100002 INSTITUTE (2JPNJAE) 2161300100003 REFERENCE (J,JIN,43,(7),1427,1981) 2161300100004 (P,NEANDC(J)-56U,17,197809) preliminary report 2161300100005 on Co-59. 2161300100006 AUTHOR (T.Sekine,H.Baba) 2161300100007 TITLE -Cross sections of the (n,2n) reaction of Co-59, 2161300100008 Ni-58, Ge-70, Zr-90 and Tl-203 with fission 2161300100009 neutrons.- 2161300100010 FACILITY (REAC,2JPNJAE) Swimming pool type reactor JRR-4. 2161300100011 INC-SOURCE (REAC ) Thermal flux 4.0 x 10.**13 n/cm**2/sec. 2161300100012 INC-SPECT .Fast neutron spectrum, slightly different 2161300100013 from a fission neutron spectrum. 2161300100014 METHOD (ACTIV) Activation, 2 or 6 hr. 2161300100015 DETECTOR (COIN,GELI,NAICR) Ge(Li) detector equipped with 2161300100016 a compton suppression system. The coaxial Ge(Li) 2161300100017 had an efficiency of 15% and a resolution 2161300100018 of 2.1 keV FWHM at 1.33 MeV. 2161300100019 The Compton suppression system consists of an 2161300100020 8 in diam.*8 in annular NaI(Tl) detector 2161300100021 surrounding the Ge(Li) and a 2.5 in diam*2.5 2161300100022 in NaI(Tl) detector on the top hole of the 2161300100023 annular crystal, both in anticoincidence with the 2161300100024 Ge(Li) detector. 2161300100025 PART-DET (DG ) Decay gammas. 2161300100026 CORRECTION .For losses under the gamma peak by coincidences 2161300100027 with annihilation gammas. 2161300100028 .For accidental coincidences. 2161300100029 ERR-ANALYS (DATA-ERR).Contains photo peak efficiency uncertainty 2161300100030 and statistical error. 2161300100031 HISTORY (19800801C) Cn. 2161300100032 (19800808E) 2161300100033 (19810618A) G.C., Data from JIN,43,1427 added. 2161300100034 (19810722E) 2161300100035 (19840106U) A.P.T. Japan code changed to JPN 2161300100036 (19840106E) 2161300100037 (20101114A) SD:Updated to new date formats,lower case. 2161300100038 corrected according to last EXFOR rules and Dict. 2161300100039 Code SUM deleted from REACTION (Subents 005,006) 2161300100040 ENDBIB 38 0 2161300100041 COMMON 1 3 2161300100042 EN-DUMMY 2161300100043 MEV 2161300100044 1.5000E+00 2161300100045 ENDCOMMON 3 0 2161300100046 ENDSUBENT 45 0 2161300199999 SUBENT 21613002 20101114 22252161300200001 BIB 7 11 2161300200002 REACTION (27-CO-59(N,2N)27-CO-58-G,,SIG,,FIS) 2161300200003 SAMPLE .Cobalt wire of 1 mm dia., covered with cadmium 2161300200004 foil for reducing the activity of Co-60. sealed 2161300200005 in a quartz ampoule. Natural composition. 2161300200006 .Natural manganese grain. 2161300200007 DECAY-DATA (27-CO-58-G,70.8D,DG,810.,0.9944) 2161300200008 MONITOR (25-MN-55(N,2N)25-MN-54,,SIG,,FIS) 2161300200009 DECAY-MON (25-MN-54,312.D,DG,835.,1.0) 2161300200010 STATUS (TABLE) .Tbl.2 from J.Inorg.Nucl.Chem.,43,1427. 2161300200011 HISTORY (19810618A) G.C., Updated with main reference. 2161300200012 (19810722E) 2161300200013 ENDBIB 11 0 2161300200014 NOCOMMON 0 0 2161300200015 DATA 4 1 2161300200016 DATA DATA-ERR MONIT MONIT-ERR 2161300200017 MB MB MB MB 2161300200018 2.3300E-01 1.7000E-02 2.5800E-01 1.3000E-02 2161300200019 ENDDATA 3 0 2161300200020 ENDSUBENT 19 0 2161300299999 SUBENT 21613003 20101114 22252161300300001 BIB 7 10 2161300300002 REACTION (28-NI-58(N,2N)28-NI-57,,SIG,,FIS) 2161300300003 SAMPLE .Nickel foil of 0.2 mm thick. Natural composition. 2161300300004 .Natural Y-oxide sealed in high-purity Al-foil 2161300300005 of 0.065 mm thickness. 2161300300006 DECAY-DATA (28-NI-57,36.HR,DG,1378.,0.776,DG,1919.,0.147) 2161300300007 MONITOR (39-Y-89(N,2N)39-Y-88,,SIG,,FIS) 2161300300008 DECAY-MON (39-Y-88,106.6D,DG,898.,0.913,DG,1836.,0.9934) 2161300300009 STATUS (TABLE) .Tbl.2 from J.Inorg.Nucl.Chem.,43,1427. 2161300300010 HISTORY (19810618C) G.C. 2161300300011 (19810722E) 2161300300012 ENDBIB 10 0 2161300300013 NOCOMMON 0 0 2161300300014 DATA 3 1 2161300300015 DATA DATA-ERR MONIT 2161300300016 MB MB MB 2161300300017 4.0600E-03 2.1000E-04 1.5600E-01 2161300300018 ENDDATA 3 0 2161300300019 ENDSUBENT 18 0 2161300399999 SUBENT 21613004 20101114 22252161300400001 BIB 7 17 2161300400002 REACTION (32-GE-70(N,2N)32-GE-69,,SIG,,FIS) 2161300400003 SAMPLE .Ge-oxide containing 98.45% of Ge-70, 2161300400004 supplied by ORNL. Powder of the oxide was sealed 2161300400005 in high-purity aluminium foil of 0.065 mm thick. 2161300400006 It was further wrapped with cadmium foil of 0.5 mm 2161300400007 thick in order to suppress the activity of 2161300400008 Ge-77 induced by thermal neutrons. 2161300400009 This sample was sealed in a quartz ampoule. 2161300400010 .Natural Y-oxide sealed in high-purity Al-foil 2161300400011 of 0.065 mm thickness. 2161300400012 DECAY-DATA (32-GE-69,39.HR,DG,574.,0.116,DG,872.,0.103, 2161300400013 DG,1106.,0.27) 2161300400014 MONITOR (39-Y-89(N,2N)39-Y-88,,SIG,,FIS) 2161300400015 DECAY-MON (39-Y-88,106.6D,DG,898.,0.913,DG,1836.,0.9934) 2161300400016 STATUS (TABLE) .Tbl.2 from J.Inorg.Nucl.Chem.,43,1427. 2161300400017 HISTORY (19810618C) G.C. 2161300400018 (19810722E) 2161300400019 ENDBIB 17 0 2161300400020 NOCOMMON 0 0 2161300400021 DATA 3 1 2161300400022 DATA DATA-ERR MONIT 2161300400023 MB MB MB 2161300400024 7.2300E-02 5.5000E-03 1.5600E-01 2161300400025 ENDDATA 3 0 2161300400026 ENDSUBENT 25 0 2161300499999 SUBENT 21613005 20101114 22252161300500001 BIB 7 12 2161300500002 REACTION (40-ZR-90(N,2N)40-ZR-89,,SIG,,FIS) 2161300500003 SAMPLE .Natural zirconium oxide, sealed in high-purity 2161300500004 aluminium foil of 0.065 mm thick, sealed in a 2161300500005 quartz ampoule. 2161300500006 .Natural Y-oxide, sealed in high-purity Al-foil 2161300500007 of 0.065 mm thickness. 2161300500008 DECAY-DATA (40-ZR-89-G,78.4HR,DG,909.,0.9901) 2161300500009 MONITOR (39-Y-89(N,2N)39-Y-88,,SIG,,FIS) 2161300500010 DECAY-MON (39-Y-88,106.6D,DG,898.,0.913,DG,1836.,0.9934) 2161300500011 STATUS (TABLE) .Tbl.2 from J.Inorg.Nucl.Chem.,43,1427. 2161300500012 HISTORY (19810618C) G.C. 2161300500013 (19810722E) 2161300500014 ENDBIB 12 0 2161300500015 NOCOMMON 0 0 2161300500016 DATA 3 1 2161300500017 DATA DATA-ERR MONIT 2161300500018 MB MB MB 2161300500019 1.0440E-01 4.6000E-03 1.5600E-01 2161300500020 ENDDATA 3 0 2161300500021 ENDSUBENT 20 0 2161300599999 SUBENT 21613006 20101114 22252161300600001 BIB 7 15 2161300600002 REACTION (81-TL-203(N,2N)81-TL-202,,SIG,,FIS) 2161300600003 SAMPLE .Natural thallium oxide sealed in high-purity 2161300600004 aluminium foil of 0.065 mm thickness, sealed in 2161300600005 a quartz ampoule. 2161300600006 .For the monitor reaction Al Co-Al alloy wire, 2161300600007 containing 0.475% Co, and 0.7 mm in diameter, 2161300600008 supplied by Reactor Experiments Inc. was used. 2161300600009 Thus both the thermal (Co-59(n,g)) and the 2161300600010 fission flux (Al-27(n,a)) could be monitored. 2161300600011 DECAY-DATA (81-TL-202,12.2D,DG,439.,0.91) 2161300600012 MONITOR (13-AL-27(N,A)11-NA-24,,SIG,,FIS) 2161300600013 DECAY-MON (11-NA-24,15.02HR,DG,1369.,1.00,DG,2754.,1.00) 2161300600014 STATUS (TABLE) .Tbl.2 from J.Inorg.Nucl.Chem.,43,1427. 2161300600015 HISTORY (19810618C) G.C. 2161300600016 (19810722E) 2161300600017 ENDBIB 15 0 2161300600018 NOCOMMON 0 0 2161300600019 DATA 3 1 2161300600020 DATA DATA-ERR MONIT 2161300600021 MB MB MB 2161300600022 3.9300E+00 1.1000E-01 7.2500E-01 2161300600023 ENDDATA 3 0 2161300600024 ENDSUBENT 23 0 2161300699999 ENDENTRY 6 0 2161399999999