ENTRY 22702 20140816 22402270200000001 SUBENT 22702001 20140816 22402270200100001 BIB 13 42 2270200100002 TITLE Measurement of neutron activation cross sections 2270200100003 of 12C, 30Si, 47Ti, 48Ti, 52Cr, 59Co and 58Ni 2270200100004 between 15 and 40 MeV 2270200100005 AUTHOR (Y.Uno,Y.Uwamino,T.S.Soewarsono,T.Nakamura) 2270200100006 INSTITUTE (2JPNTOK,2JPNTOH) 2270200100007 REFERENCE (J,NSE,122,247,1996) 2270200100008 FACILITY (CYCLO,2JPNTOK)The sector focusing cyclotron was used 2270200100009 for irradiation experiments 2270200100010 (ISOCY,2JPNTOH) An azimuthally varying field cyclotron 2270200100011 was used for neutron energy spectrum measurements. 2270200100012 INC-SOURCE (P-LI7) Protons with energies of 20, 25, 30, 35 and 2270200100013 40 MeV bombarded a 99.98% 7Li-enriched lithium target 2270200100014 (2 mm thick) that backed by 12-mm-thick graphite. 2270200100015 INC-SPECT The neutron spectra at 0 degr. were measured at an 2270200100016 azimuthally varying field cyclotron with TOF 2270200100017 method using a 127-mm-diam. x 127mm-long NE213 liquid 2270200100018 scintillator. 2270200100019 En Neutron Flux of Peak energy 2270200100020 17.6 8.42+-0.412 x 10**8 /cm2/C 2270200100021 21.8 11.9+-0.940 x 10**8 /cm2/C 2270200100022 27.6 14.6+-1.62 x 10**8 /cm2/C 2270200100023 32.8 15.4+-1.49 x 10**8 /cm2/C 2270200100024 38.3 15.9+-1.60 x 10**8 /cm2/C 2270200100025 METHOD (ACTIV,TOF) The samples were irradiated for 1 h, 2270200100026 sequentially except the carbon sample, which was 2270200100027 irradiated for 10 min. 2270200100028 DETECTOR (GE-IN) Two high-purity Ge detectors (18% and 13% 2270200100029 relative efficien.) were used for gamma-ray spectrum. 2270200100030 ERR-ANALYS (ERR-T) Total error 2270200100031 Components of errors: 2270200100032 (ERR-S,0.2,30.) Gamma-ray peak counts - 0.2 to 30% 2270200100033 (ERR-1) Detection efficiency of Ge detector - 3.0% 2270200100034 (ERR-2,4.9,11.1) Neutron flux - 4.9 to 11.1% 2270200100035 (ERR-3,3.,30.) Prior cross section - 3.0 to 30.0 2270200100036 MISC-COL (MISC) The fractional contributions of the correction 2270200100037 for the low-energy tail neutrons to the obtained 2270200100038 reaction rate R(tail)/R(total) 2270200100039 STATUS (APRVD) Approved by Yoshitomo Uwamino 2270200100040 (TABLE) Tbl. V from NSE,122,247 2270200100041 HISTORY (20010302C) 2270200100042 (20140816A) SD: REACTION code (2) was added in Subent 22270200100043 EN-RSL-FW, DECAY-DATA were added to Subents 2-10. 2270200100044 ENDBIB 42 0 2270200100045 COMMON 1 3 2270200100046 ERR-1 2270200100047 PER-CENT 2270200100048 3.0 2270200100049 ENDCOMMON 3 0 2270200100050 ENDSUBENT 49 0 2270200199999 SUBENT 22702002 20140816 22402270200200001 BIB 4 6 2270200200002 REACTION 1(6-C-12(N,2N)6-C-11,,SIG) First experiment 2270200200003 2(6-C-12(N,2N)6-C-11,,SIG) Second experiment 2270200200004 DECAY-DATA (6-C-11,20.39MIN,DG,511.0,1.99518) 2270200200005 SAMPLE Graphite was of size:20.0mm diam.x3.0mm 2270200200006 HISTORY (20140816A) SD: data set was spitted in two REACTION 2270200200007 codes. 2270200200008 ENDBIB 6 0 2270200200009 NOCOMMON 0 0 2270200200010 DATA 7 4 2270200200011 EN EN-RSL-FW DATA 1ERR-T 1DATA 2ERR-T 22270200200012 MISC 1 2270200200013 MEV MEV MB MB MB MB 2270200200014 PER-CENT 2270200200015 21.8 1.9 2.530 0.205 1.480 0.14 2270200200016 0.0 2270200200017 27.6 1.7 10.90 1.22 10.20 1.40 2270200200018 2.8 2270200200019 32.8 1.5 17.20 1.68 16.80 1.90 2270200200020 7.7 2270200200021 38.3 1.4 17.90 1.90 14.80 1.80 2270200200022 19.0 2270200200023 ENDDATA 12 0 2270200200024 ENDSUBENT 23 0 2270200299999 SUBENT 22702003 20140816 22402270200300001 BIB 3 3 2270200300002 REACTION (14-SI-30(N,X)13-AL-29,,SIG) 2270200300003 SAMPLE SiO2 (abundance:95.28%) of weight:0.093g. 2270200300004 DECAY-DATA (13-AL-29,6.56MIN,DG,1273.4,0.891) 2270200300005 ENDBIB 3 0 2270200300006 NOCOMMON 0 0 2270200300007 DATA 5 5 2270200300008 EN EN-RSL-FW DATA ERR-T MISC 2270200300009 MEV MEV MB MB PER-CENT 2270200300010 17.6 2.3 26.10 3.900 2.2 2270200300011 21.8 1.9 99.50 11.90 3.7 2270200300012 27.6 1.7 139.0 18.20 10.5 2270200300013 32.8 1.5 146.0 20.40 20.2 2270200300014 38.3 1.4 115.0 30.10 41.1 2270200300015 ENDDATA 7 0 2270200300016 ENDSUBENT 15 0 2270200399999 SUBENT 22702004 20140816 22402270200400001 BIB 3 3 2270200400002 REACTION (22-TI-47(N,X)21-SC-46,,SIG) 2270200400003 SAMPLE TiO2 (abundance:94.55%) of weight:0.033g. 2270200400004 DECAY-DATA (21-SC-46-G,83.80D,DG,889.3,1.) 2270200400005 ENDBIB 3 0 2270200400006 NOCOMMON 0 0 2270200400007 DATA 5 5 2270200400008 EN EN-RSL-FW DATA ERR-T MISC 2270200400009 MEV MEV MB MB PER-CENT 2270200400010 17.6 2.3 141.0 25.90 2.6 2270200400011 21.8 1.9 304.0 35.90 7.1 2270200400012 27.6 1.7 427.0 122.0 13.1 2270200400013 32.8 1.5 257.0 109.0 33.4 2270200400014 38.3 1.4 117.0 62.10 69.0 2270200400015 ENDDATA 7 0 2270200400016 ENDSUBENT 15 0 2270200499999 SUBENT 22702005 20140816 22402270200500001 BIB 3 3 2270200500002 REACTION (22-TI-48(N,X)21-SC-47,,SIG) 2270200500003 SAMPLE TiO2 (abundance:99.81%) of weight:0.066g. 2270200500004 DECAY-DATA (21-SC-47,3.341D,DG,159.4,0.682) 2270200500005 ENDBIB 3 0 2270200500006 NOCOMMON 0 0 2270200500007 DATA 5 5 2270200500008 EN EN-RSL-FW DATA ERR-T MISC 2270200500009 MEV MEV MB MB PER-CENT 2270200500010 17.6 2.3 54.10 3.05 2.4 2270200500011 21.8 1.9 148.0 12.2 5.1 2270200500012 27.6 1.7 176.0 20.5 13.1 2270200500013 32.8 1.5 158.0 18.4 26.0 2270200500014 38.3 1.4 104.0 18.0 52.5 2270200500015 ENDDATA 7 0 2270200500016 ENDSUBENT 15 0 2270200599999 SUBENT 22702006 20140816 22402270200600001 BIB 3 3 2270200600002 REACTION (24-CR-52(N,2N)24-CR-51,,SIG) 2270200600003 SAMPLE Cr2O3 (abundance:99.90%) of weight:0.055g. 2270200600004 DECAY-DATA (24-CR-51,27.70D,DG,320.0,0.102) 2270200600005 ENDBIB 3 0 2270200600006 NOCOMMON 0 0 2270200600007 DATA 5 5 2270200600008 EN EN-RSL-FW DATA ERR-T MISC 2270200600009 MEV MEV MB MB PER-CENT 2270200600010 17.6 2.3 499.0 57.6 3.9 2270200600011 21.8 1.9 568.0 55.0 14.3 2270200600012 27.6 1.7 359.0 53.1 33.3 2270200600013 32.8 1.5 308.0 52.1 46.9 2270200600014 38.3 1.4 152.0 72.7 77.3 2270200600015 ENDDATA 7 0 2270200600016 ENDSUBENT 15 0 2270200699999 SUBENT 22702007 20140816 22402270200700001 BIB 3 3 2270200700002 REACTION (27-CO-59(N,2N)27-CO-58,,SIG) 2270200700003 SAMPLE Metal Co of size:20.0mm x 20.0mm x 1.0mm 2270200700004 DECAY-DATA (27-CO-58-G,70.78D,DG,810.8,0.9944) 2270200700005 ENDBIB 3 0 2270200700006 NOCOMMON 0 0 2270200700007 DATA 5 5 2270200700008 EN EN-RSL-FW DATA ERR-T MISC 2270200700009 MEV MEV MB MB PER-CENT 2270200700010 17.6 2.3 801.0 52.4 13.2 2270200700011 21.8 1.9 571.0 63.4 28.0 2270200700012 27.6 1.7 318.0 73.1 50.7 2270200700013 32.8 1.5 269.0 86.7 62.4 2270200700014 38.3 1.4 174.0 155.0 82.7 2270200700015 ENDDATA 7 0 2270200700016 ENDSUBENT 15 0 2270200799999 SUBENT 22702008 20140816 22402270200800001 BIB 3 3 2270200800002 REACTION (27-CO-59(N,3N)27-CO-57,,SIG) 2270200800003 SAMPLE Metal Co of size:20.0mm x 20.0mm x 1.0mm 2270200800004 DECAY-DATA (27-CO-57,271.65D,DG,122.1,0.856) 2270200800005 ENDBIB 3 0 2270200800006 NOCOMMON 0 0 2270200800007 DATA 5 3 2270200800008 EN EN-RSL-FW DATA ERR-T MISC 2270200800009 MEV MEV MB MB PER-CENT 2270200800010 27.6 1.7 241.0 27.5 2.4 2270200800011 32.8 1.5 294.0 30.5 9.1 2270200800012 38.3 1.4 210.0 28.8 28.3 2270200800013 ENDDATA 5 0 2270200800014 ENDSUBENT 13 0 2270200899999 SUBENT 22702009 20140816 22402270200900001 BIB 3 3 2270200900002 REACTION (27-CO-59(N,4N)27-CO-56,,SIG) 2270200900003 SAMPLE Metal Co of size:20.0mm x 20.0mm x 1.0mm 2270200900004 DECAY-DATA (27-CO-56,78.76D,DG,846.8,0.9995) 2270200900005 ENDBIB 3 0 2270200900006 NOCOMMON 0 0 2270200900007 DATA 5 1 2270200900008 EN EN-RSL-FW DATA ERR-T MISC 2270200900009 MEV MEV MB MB PER-CENT 2270200900010 38.3 1.4 9.68 1.11 2.3 2270200900011 ENDDATA 3 0 2270200900012 ENDSUBENT 11 0 2270200999999 SUBENT 22702010 20140816 22402270201000001 BIB 3 3 2270201000002 REACTION (28-NI-58(N,2N)28-NI-57,,SIG) 2270201000003 SAMPLE Metal powder (abundance:99.66%) of weight:0.039g. 2270201000004 DECAY-DATA (28-NI-57,1.503D,DG,1377.6,0.7768) 2270201000005 ENDBIB 3 0 2270201000006 NOCOMMON 0 0 2270201000007 DATA 5 5 2270201000008 EN EN-RSL-FW DATA ERR-T MISC 2270201000009 MEV MEV MB MB PER-CENT 2270201000010 17.6 2.3 56.90 3.94 3.3 2270201000011 21.8 1.9 81.80 7.78 11.5 2270201000012 27.6 1.7 55.50 8.02 28.5 2270201000013 32.8 1.5 44.20 6.97 44.4 2270201000014 38.3 1.4 19.80 8.83 77.4 2270201000015 ENDDATA 7 0 2270201000016 ENDSUBENT 15 0 2270201099999 ENDENTRY 10 0 2270299999999