ENTRY 31764 20150616 31723176400000001 SUBENT 31764001 20150616 31723176400100001 BIB 13 36 3176400100002 TITLE The measurement of neutron activation cross section of 3176400100003 59Co below 36 MeV 3176400100004 AUTHOR (E.Simeckova, P.Bem, V.Burjan, M.Goetz, M.Honusek, 3176400100005 V.Kroha, J.Novak, U.Fischer, S.P.Simakov, R.A.Forrest)3176400100006 INSTITUTE (3CZRUJF,2GERKFK,3ZZZIAE) 3176400100007 REFERENCE (J,KPS,59,1801,2011) 3176400100008 FACILITY (ISOCY,3CZRUJF) U120M isochronous cyclotron 3176400100009 INC-SOURCE (P-LI7) Self-supporting Li (cooled by 5 deg-C alcohol 3176400100010 stream) with a carbon beam stopper was irradiated at 3176400100011 Ep=19.84, 25.13, 27.63, 30.08, 32.56, 35.02 and 3176400100012 37.44 MeV (+/-0.15 MeV) 3176400100013 SAMPLE 59Co disks (99.9% purity, 15 mm in diam, 0.25 mm in 3176400100014 thickness). 3176400100015 Stacks of foils (Au, Co, Nb) were placed at two 3176400100016 distances (48 mm and 88 mm) from the neutron 3176400100017 production target 3176400100018 DETECTOR (HPGE) Two HPGe detectors used: 23% and 50% efficiency,3176400100019 FWHM 1.8 keV at 1.3 MeV (60Co gamma-line) 3176400100020 METHOD (ACTIV) Irradiated for ~46000 sec to ~82000 sec at each3176400100021 proton energy (average current of ~4.21 to 4.84 uA) 3176400100022 ANALYSIS (UNFLD) Unfolded in the VITAMIN-J+ bin energy structure3176400100023 assuming the 7Li(p,n) neutron spectra evaluated by 3176400100024 MCNPX with LA-150h cross section data libraries. 3176400100025 The cross section in the EAF 2007 library was assumed 3176400100026 for the cross section lower than the quasi- 3176400100027 monoenergetic peak of the lowest energy run (~16 MeV) 3176400100028 ERR-ANALYS (ERR-T) Uncertainty propagated from 3176400100029 (ERR-1,1.,2.) Activity determination (1-2%) 3176400100030 (ERR-2) Detector efficiency (2%) 3176400100031 (ERR-3) Beam charge (5%) 3176400100032 (ERR-4) Neutron flux determination (10%) 3176400100033 STATUS (TABLE) Data received from the author 3176400100034 (PRELM) Preliminary data (Eva Simeckova, 2015-06-23) 3176400100035 (APRVD) Approved by Eva Simeckova (2015-06-24) 3176400100036 HISTORY (20150616R) On. Data received from Eva Simeckova 3176400100037 (20150616C) On 3176400100038 ENDBIB 36 0 3176400100039 COMMON 3 3 3176400100040 ERR-2 ERR-3 ERR-4 3176400100041 PER-CENT PER-CENT PER-CENT 3176400100042 2. 5. 10. 3176400100043 ENDCOMMON 3 0 3176400100044 ENDSUBENT 43 0 3176400199999 SUBENT 31764002 20150616 31723176400200001 BIB 2 5 3176400200002 REACTION 1(27-CO-59(N,X)25-MN-54,,SIG) 3176400200003 Stack at 88 mm from Li target 3176400200004 2(27-CO-59(N,X)25-MN-54,,SIG) 3176400200005 Stack at 48 mm from Li target 3176400200006 DECAY-DATA (25-MN-54,312.D,DG,834.8,0.9998) 3176400200007 ENDBIB 5 0 3176400200008 NOCOMMON 0 0 3176400200009 DATA 6 4 3176400200010 EN EN-RSL DATA 1ERR-T 1DATA 2ERR-T 23176400200011 MEV MEV MB MB MB MB 3176400200012 27.5 1.5 8.2 1.0 3176400200013 30. 1. 28.5 3.3 25.6 2.9 3176400200014 32.5 1.5 44.5 5.2 43.9 5.0 3176400200015 35. 1. 57.8 6.6 54.1 6.2 3176400200016 ENDDATA 6 0 3176400200017 ENDSUBENT 16 0 3176400299999 SUBENT 31764003 20150616 31723176400300001 BIB 2 6 3176400300002 REACTION 1(27-CO-59(N,X)25-MN-56,,SIG) 3176400300003 Stack at 88 mm from Li target 3176400300004 2(27-CO-59(N,X)25-MN-56,,SIG) 3176400300005 Stack at 48 mm from Li target 3176400300006 DECAY-DATA (25-MN-56,2.58HR,DG,846.8,0.989, 3176400300007 DG,1810.8,0.272) 3176400300008 ENDBIB 6 0 3176400300009 NOCOMMON 0 0 3176400300010 DATA 6 7 3176400300011 EN EN-RSL DATA 1ERR-T 1DATA 2ERR-T 23176400300012 MEV MEV MB MB MB MB 3176400300013 17.5 2.5 36.7 4.0 33.8 3.9 3176400300014 22. 2. 10.5 1.2 8.63 1.01 3176400300015 24.5 1.5 7.84 0.90 5.12 0.60 3176400300016 27.5 1.5 6.54 0.75 4.56 0.54 3176400300017 30. 1. 5.72 0.66 3.81 0.45 3176400300018 32.5 1.5 5.73 0.66 4.41 0.52 3176400300019 35. 1. 2.11 0.24 0.61 0.07 3176400300020 ENDDATA 9 0 3176400300021 ENDSUBENT 20 0 3176400399999 SUBENT 31764004 20150616 31723176400400001 BIB 2 6 3176400400002 REACTION 1(27-CO-59(N,P)26-FE-59,,SIG) 3176400400003 Stack at 88 mm from Li target 3176400400004 2(27-CO-59(N,P)26-FE-59,,SIG) 3176400400005 Stack at 48 mm from Li target 3176400400006 DECAY-DATA (26-FE-59,44.5D,DG,1099.3,0.565, 3176400400007 DG,1291.6,0.432) 3176400400008 ENDBIB 6 0 3176400400009 NOCOMMON 0 0 3176400400010 DATA 6 7 3176400400011 EN EN-RSL DATA 1ERR-T 1DATA 2ERR-T 23176400400012 MEV MEV MB MB MB MB 3176400400013 17.5 2.5 68.1 7.8 62.3 7.1 3176400400014 22. 2. 31.4 3.6 27.2 3.1 3176400400015 24.5 1.5 27.5 3.1 18.5 2.1 3176400400016 27.5 1.5 27.3 3.1 18.8 2.1 3176400400017 30. 1. 24.1 2.7 17.6 2.0 3176400400018 32.5 1.5 24.4 2.8 19.0 2.2 3176400400019 35. 1. 13.3 1.5 10.4 1.2 3176400400020 ENDDATA 9 0 3176400400021 ENDSUBENT 20 0 3176400499999 SUBENT 31764005 20150616 31723176400500001 BIB 2 5 3176400500002 REACTION 1(27-CO-59(N,4N)27-CO-56,,SIG) 3176400500003 Stack at 88 mm from Li target 3176400500004 2(27-CO-59(N,4N)27-CO-56,,SIG) 3176400500005 Stack at 48 mm from Li target 3176400500006 DECAY-DATA (27-CO-56,77.3D,DG,846.8,1.0) 3176400500007 ENDBIB 5 0 3176400500008 NOCOMMON 0 0 3176400500009 DATA 6 2 3176400500010 EN EN-RSL DATA 1ERR-T 1DATA 2ERR-T 23176400500011 MEV MEV MB MB MB MB 3176400500012 32.5 1.5 0.18 0.03 3176400500013 35. 1. 1.03 0.15 0.66 0.20 3176400500014 ENDDATA 4 0 3176400500015 ENDSUBENT 14 0 3176400599999 SUBENT 31764006 20150616 31723176400600001 BIB 2 6 3176400600002 REACTION 1(27-CO-59(N,3N)27-CO-57,,SIG) 3176400600003 Stack at 88 mm from Li target 3176400600004 2(27-CO-59(N,3N)27-CO-57,,SIG) 3176400600005 Stack at 48 mm from Li target 3176400600006 DECAY-DATA (27-CO-57,272.D,DG,122.1,0.856, 3176400600007 DG,136.5,0.1068) 3176400600008 ENDBIB 6 0 3176400600009 NOCOMMON 0 0 3176400600010 DATA 6 7 3176400600011 EN EN-RSL DATA 1ERR-T 1DATA 2ERR-T 23176400600012 MEV MEV MB MB MB MB 3176400600013 17.5 2.5 0.77 0.47 0.86 0.19 3176400600014 22. 2. 55.7 6.4 50.1 5.7 3176400600015 24.5 1.5 187. 21. 184. 21. 3176400600016 27.5 1.5 260. 30. 264. 30. 3176400600017 30. 1. 283. 32. 296. 34. 3176400600018 32.5 1.5 265. 30. 294. 34. 3176400600019 35. 1. 250. 28. 273. 31. 3176400600020 ENDDATA 9 0 3176400600021 ENDSUBENT 20 0 3176400699999 SUBENT 31764007 20150616 31723176400700001 BIB 2 4 3176400700002 REACTION (27-CO-59(N,2N)27-CO-58,,SIG) 3176400700003 Stack at 88 mm from Li target 3176400700004 DECAY-DATA (27-CO-58-G,70.9D,DG,810.8,0.99, 3176400700005 DG,864.0,0.0068) 3176400700006 ENDBIB 4 0 3176400700007 NOCOMMON 0 0 3176400700008 DATA 4 7 3176400700009 EN EN-RSL DATA ERR-T 3176400700010 MEV MEV MB MB 3176400700011 17.5 2.5 1206. 169. 3176400700012 22. 2. 856. 98. 3176400700013 24.5 1.5 598. 72. 3176400700014 27.5 1.5 485. 56. 3176400700015 30. 1. 339. 39. 3176400700016 32.5 1.5 303. 35. 3176400700017 35. 1. 185. 28. 3176400700018 ENDDATA 9 0 3176400700019 ENDSUBENT 18 0 3176400799999 SUBENT 31764008 20150616 31723176400800001 BIB 5 11 3176400800002 REACTION 1(27-CO-59(N,2N)27-CO-58-M,,SIG) 3176400800003 Stack at 88 mm from Li target 3176400800004 2(27-CO-59(N,2N)27-CO-58-M,,SIG) 3176400800005 Stack at 48 mm from Li target 3176400800006 DECAY-DATA (27-CO-58-M,9.04HR) 3176400800007 ANALYSIS (DECAY) Decay curve analysis performed 3176400800008 COMMENT By Eva Simeckova (2015-06-16): The compiled meta 3176400800009 stable state production cross section is strongly 3176400800010 correlated with the compiled ground state production 3176400800011 cross section. 3176400800012 STATUS (DEP,31764007) 58g+mCo total production cross section 3176400800013 ENDBIB 11 0 3176400800014 NOCOMMON 0 0 3176400800015 DATA 6 7 3176400800016 EN EN-RSL DATA 1ERR-T 1DATA 2ERR-T 23176400800017 MEV MEV MB MB MB MB 3176400800018 17.5 2.5 863. 216. 752. 188. 3176400800019 22. 2. 452. 113. 471. 118. 3176400800020 24.5 1.5 440. 110. 391. 98. 3176400800021 27.5 1.5 307. 77. 296. 74. 3176400800022 30. 1. 222. 56. 181. 45. 3176400800023 32.5 1.5 267. 67. 221. 55. 3176400800024 35. 1. 89. 22. 3176400800025 ENDDATA 9 0 3176400800026 ENDSUBENT 25 0 3176400899999 SUBENT 31764009 20150616 31723176400900001 BIB 5 11 3176400900002 REACTION 1(27-CO-59(N,2N)27-CO-58-G,,SIG) 3176400900003 Stack at 88 mm from Li target 3176400900004 2(27-CO-59(N,2N)27-CO-58-G,,SIG) 3176400900005 Stack at 48 mm from Li target 3176400900006 DECAY-DATA (27-CO-58-G,70.9D) 3176400900007 ANALYSIS (DECAY) Decay curve analysis performed 3176400900008 COMMENT By Eva Simeckova (2015-06-16): The compiled ground 3176400900009 state production cross section is strongly correlated 3176400900010 with the compiled metastable state production cross 3176400900011 section. 3176400900012 STATUS (DEP,31764007) 58g+mCo total production cross section 3176400900013 ENDBIB 11 0 3176400900014 NOCOMMON 0 0 3176400900015 DATA 6 7 3176400900016 EN EN-RSL DATA 1ERR-T 1DATA 2ERR-T 23176400900017 MEV MEV MB MB MB MB 3176400900018 17.5 2.5 349. 87. 385. 96. 3176400900019 22. 2. 411. 103. 310. 78. 3176400900020 24.5 1.5 164. 41. 110. 27. 3176400900021 27.5 1.5 178. 44. 104. 26. 3176400900022 30. 1. 122. 31. 104. 26. 3176400900023 32.5 1.5 30. 20. 39. 20. 3176400900024 35. 1. 94. 23. 112. 28. 3176400900025 ENDDATA 9 0 3176400900026 ENDSUBENT 25 0 3176400999999 ENDENTRY 9 0 3176499999999