ENTRY 32813 20211129 32063281300000001 SUBENT 32813001 20211129 32063281300100001 BIB 11 60 3281300100002 TITLE Cross-section measurements for 58,60,61Ni(n,a) 3281300100003 55,57,58Fe reactions in the 4.50 - 5.50 MeV neutron 3281300100004 energy region 3281300100005 AUTHOR (Haoyu Jiang,Zengqi Cui,Yiwei Hu,Jie Liu, 3281300100006 Jinxiang Chen,Guohui Zhang,Yu.M.Gledenov, 3281300100007 E.Sansarbayar,G.Khuukhenkhuu,L.Krupa,I.Chuprakov) 3281300100008 INSTITUTE (3CPRBJG,4ZZZDUB,3MGLNUM,3CZRCTI) 3281300100009 REFERENCE (J,CPH/C,44,114102,2020) 3281300100010 #doi:10.1088/1674-1137/abadf2 3281300100011 FACILITY (VDG,3CPRBJG) 4.5 MV Van de Graaff accelerator 3281300100012 INC-SOURCE (D-D) The deuteron beam current was about 2.0 uA, to 3281300100013 bombard a deuterium gas target with 2.0 cm in length 3281300100014 under a pressure of 3.0 atm. The deuterium gas target 3281300100015 was separated from the vacuum tube of the accelerator 3281300100016 by a 5.0 um-thick molybdenum foil sample. 3281300100017 DETECTOR (IOCH) The gridded twin ionization chamber (GIC) as 3281300100018 the charged particle detector. 3281300100019 (STANK) An EJ-309 liquid scintillator detector for 3281300100020 neutron energy spectrum measurement. 3281300100021 MONITOR (92-U-238(N,F),,SIG) 3281300100022 Neutron Standard Reference (2015) www-nds.iaea.org 3281300100023 CORRECTION The correction coefficient of the events induced by 3281300100024 low-energy neutrons are 1.064 - 1.132, 1.125 - 1.164, 3281300100025 and 1.090 - 1.127 for the 58Ni(n,a)55Fe, 60Ni(n,a)57Fe,3281300100026 and 61Ni(n,a)58Fe reactions, respectively. 3281300100027 The proportion of alpha events arising from the 3281300100028 impurity isotope are about 0% for the 58Ni(n,a)55Fe 3281300100029 reaction, 0.89% - 1.07% for the 60Ni(n,a)57Fe reaction,3281300100030 and 11.69% - 12.95% for the 61Ni(n,a)58Fe reaction. 3281300100031 ERR-ANALYS (ERR-T) The total uncertainty 3281300100032 (ERR-1) The nucleus numbers of the 238U, 1.0% 3281300100033 (ERR-2) The nucleus numbers of the 58,60,61Ni 3281300100034 (ERR-3) The detected alpha events for the forward 3281300100035 cross section 3281300100036 (ERR-4) The detected alpha events for the backward 3281300100037 cross section 3281300100038 (ERR-5) The detected fission events, 1.1% 3281300100039 (ERR-6) The correction of the events induced by the 3281300100040 low-energy neutrons for the forward cross section 3281300100041 (ERR-7) The correction of the events induced by the 3281300100042 low-energy neutrons for the backward cross section 3281300100043 (ERR-8) The detection efficiencies of fission events 3281300100044 for the forward cross section 3281300100045 (ERR-9) The detection efficiencies of fission events 3281300100046 for the backward cross section 3281300100047 (ERR-10) The detection efficiencies of alpha events 3281300100048 for the forward cross section 3281300100049 (ERR-11) The detection efficiencies of alpha events 3281300100050 for the backward cross section 3281300100051 (ERR-12,,0.5) The ratio of the average fluence of the 3281300100052 main neutrons through the 58,60,61Ni sample over 3281300100053 those through the 238U3O8 sample, <0.5% 3281300100054 (ERR-15) The unfolding process for the forward cross 3281300100055 section 3281300100056 (ERR-16) The unfolding process for the backward cross 3281300100057 section 3281300100058 (MONIT-ERR) 238U(n,f) cross section 3281300100059 HISTORY (20211129C) Jimin Wang (CNDC) 3281300100060 (20211208R) The detailed uncertainties were received 3281300100061 from Haoyu Jiang 3281300100062 ENDBIB 60 0 3281300100063 COMMON 2 3 3281300100064 ERR-1 ERR-5 3281300100065 PER-CENT PER-CENT 3281300100066 1.0 1.1 3281300100067 ENDCOMMON 3 0 3281300100068 ENDSUBENT 67 0 3281300199999 SUBENT 32813002 20211129 32063281300200001 BIB 3 3 3281300200002 REACTION (28-NI-58(N,A)26-FE-55,,SIG) 3281300200003 SAMPLE (28-NI-58,NAT=0.9984) 601.3 ug/cm2 thick, 46.0 mm diam.3281300200004 STATUS (TABLE) Table 4 of Chinese Phys. C 44,11(2020)114102 3281300200005 ENDBIB 3 0 3281300200006 COMMON 1 3 3281300200007 ERR-2 3281300200008 PER-CENT 3281300200009 1.0 3281300200010 ENDCOMMON 3 0 3281300200011 DATA 16 5 3281300200012 EN EN-RSL-HW DATA ERR-T ERR-3 ERR-4 3281300200013 ERR-6 ERR-7 ERR-8 ERR-9 ERR-10 ERR-11 3281300200014 ERR-15 ERR-16 MONIT MONIT-ERR 3281300200015 MEV MEV MB MB PER-CENT PER-CENT 3281300200016 PER-CENT PER-CENT PER-CENT PER-CENT PER-CENT PER-CENT 3281300200017 PER-CENT PER-CENT B PER-CENT 3281300200018 4.50 0.07 25.7 1.3 3.0 3.33281300200019 1.4 1.0 2.0 1.9 2.3 2.23281300200020 1.1 1.2 0.5592 0.6 3281300200021 4.75 0.07 28.7 2.0 4.2 5.03281300200022 1.7 1.8 2.0 2.3 2.9 3.33281300200023 2.1 2.7 0.5579 0.6 3281300200024 5.00 0.07 37.2 2.2 4.4 2.73281300200025 1.7 1.8 2.3 3.1 1.8 2.83281300200026 1.0 1.0 0.5483 0.7 3281300200027 5.25 0.08 44.6 2.7 2.9 5.03281300200028 1.6 1.6 2.1 2.1 3.2 2.63281300200029 1.0 1.1 0.5517 0.7 3281300200030 5.50 0.08 51.7 3.0 3.4 3.93281300200031 1.8 2.1 2.1 2.4 2.1 2.23281300200032 1.0 1.0 0.5482 0.7 3281300200033 ENDDATA 21 0 3281300200034 ENDSUBENT 33 0 3281300299999 SUBENT 32813003 20211129 32063281300300001 BIB 3 3 3281300300002 REACTION (28-NI-60(N,A)26-FE-57,,SIG) 3281300300003 SAMPLE (28-NI-60,NAT=0.9965) 570.4 ug/cm2 thick, 46.0 mm diam.3281300300004 STATUS (TABLE) Table 5 of Chinese Phys. C 44,11(2020)114102 3281300300005 ENDBIB 3 0 3281300300006 COMMON 2 3 3281300300007 ERR-2 MONIT-ERR 3281300300008 PER-CENT PER-CENT 3281300300009 5.0 0.7 3281300300010 ENDCOMMON 3 0 3281300300011 DATA 15 2 3281300300012 EN EN-RSL-HW DATA ERR-T ERR-3 ERR-4 3281300300013 ERR-6 ERR-7 ERR-8 ERR-9 ERR-10 ERR-11 3281300300014 ERR-15 ERR-16 MONIT 3281300300015 MEV MEV MB MB PER-CENT PER-CENT 3281300300016 PER-CENT PER-CENT PER-CENT PER-CENT PER-CENT PER-CENT 3281300300017 PER-CENT PER-CENT B 3281300300018 5.00 0.07 4.22 0.63 8.0 18.53281300300019 1.5 1.5 3.1 2.3 6.2 6.53281300300020 3.7 4.2 0.5483 3281300300021 5.50 0.08 7.87 1.09 11.6 13.23281300300022 1.6 1.6 2.4 2.1 3.3 7.63281300300023 2.0 1.0 0.5482 3281300300024 ENDDATA 12 0 3281300300025 ENDSUBENT 24 0 3281300399999 SUBENT 32813004 20211129 32063281300400001 BIB 4 11 3281300400002 REACTION (28-NI-61(N,A)26-FE-58,,SIG) 3281300400003 SAMPLE (28-NI-61,NAT=0.9965) 332.4 ug/cm2 thick, 43.5 mm diam.3281300400004 ERR-ANALYS (ERR-13) The proportion of alpha events arising from 3281300400005 the impurity isotope for the forward cross section, 3281300400006 was negligible for the 58Ni(n,a)55Fe, and < 0.1% for 3281300400007 the 60Ni(n,a)57Fe 3281300400008 (ERR-14) The proportion of alpha events arising from 3281300400009 the impurity isotope for the backward cross section, 3281300400010 was negligible for the 58Ni(n,a)55Fe, and < 0.1% for 3281300400011 the 60Ni(n,a)57Fe 3281300400012 STATUS (TABLE) Table 6 of Chinese Phys. C 44,11(2020)114102 3281300400013 ENDBIB 11 0 3281300400014 COMMON 2 3 3281300400015 ERR-2 MONIT-ERR 3281300400016 PER-CENT PER-CENT 3281300400017 1.0 0.7 3281300400018 ENDCOMMON 3 0 3281300400019 DATA 17 2 3281300400020 EN EN-RSL-HW DATA ERR-T ERR-3 ERR-4 3281300400021 ERR-6 ERR-7 ERR-8 ERR-9 ERR-10 ERR-11 3281300400022 ERR-13 ERR-14 ERR-15 ERR-16 MONIT 3281300400023 MEV MEV MB MB PER-CENT PER-CENT 3281300400024 PER-CENT PER-CENT PER-CENT PER-CENT PER-CENT PER-CENT 3281300400025 PER-CENT PER-CENT PER-CENT PER-CENT B 3281300400026 5.00 0.07 9.40 0.84 7.0 8.33281300400027 1.5 1.4 2.3 3.1 2.2 2.23281300400028 1.8 1.8 1.1 0.5 0.5483 3281300400029 5.50 0.08 11.9 1.1 6.4 8.53281300400030 1.7 1.7 2.1 2.4 4.0 3.53281300400031 2.0 1.9 1.1 0.3 0.5482 3281300400032 ENDDATA 12 0 3281300400033 ENDSUBENT 32 0 3281300499999 ENDENTRY 4 0 3281399999999