ENTRY 30848 20210305 32003084800000001 SUBENT 30848001 20210305 32003084800100001 BIB 19 59 3084800100002 TITLE Measurement of activation cross sections of the 3084800100003 27Al(n,a)24Na and 27Al(n,p)27Mg reactions with 3084800100004 quasi-monoenergetic neutrons 3084800100005 AUTHOR (M.Zaman, G.N.Kim, K.Kim, H.Naik, Y.O.Lee, Y.S.Cho, 3084800100006 M.W.Lee, Y.R.Kang) 3084800100007 INSTITUTE (3KORKNU,3INDTRM,3KORKAE,3KORDRM) 3084800100008 REFERENCE (J,RCA,105,593,2017) 3084800100009 FACILITY (CYCLO,3KORKRM) MC-50 cyclotron (KIRAMS) 3084800100010 INC-SOURCE (P-BE) The neutron beam was produced from the 9Be(p,n) 3084800100011 reaction by impinging 25, 35, and 45 MeV proton beams 3084800100012 on a 2 mm thick Be target. 3084800100013 INC-SPECT (EN-RSL-HW) The neutron spectrum was characterized by 3084800100014 MCNPX 2.6.0. 3084800100015 SAMPLE Al foil (thickness 100 um) 3084800100016 - 25 MeV: weight 0.090 g 3084800100017 - 35 MeV: weight 0.065 g 3084800100018 - 45 MeV: weight 0.097 g 3084800100019 METHOD (ACTIV) Irradiation for 60 min (25, 35 MeV) and 3084800100020 30 min (45 MeV) 3084800100021 (GSPEC) Started after the cooling time (30 min) 3084800100022 DETECTOR (HPGE) 3084800100023 MONITOR Au foil (thickness: 100 um) 3084800100024 - 25 MeV: weight 0.296 g 3084800100025 - 35 MeV: weight 0.219 g 3084800100026 - 45 MeV: weight 0.244 g 3084800100027 The neutron fluxes from the reaction threshold to the 3084800100028 maximum neutron energies was calculated with the 3084800100029 MCNPX code. 3084800100030 (79-AU-197(N,2N)79-AU-196,,SIG) 3084800100031 (79-AU-197(N,3N)79-AU-195,,SIG) 3084800100032 (79-AU-197(N,4N)79-AU-194,,SIG) 3084800100033 DECAY-MON (79-AU-196-G,6.18D,DG,355.7,0.870) 3084800100034 (79-AU-195-G,186.09D,DG,98.9,0.109) 3084800100035 (79-AU-194-G,38.02HR,DG,293.6,0.104) 3084800100036 MONIT-REF (,Y.Uwamino+,C,91JUELIC,,726,1991) 3084800100037 (,B.P.Bayhurst+,J,PR/C,12,451,1975) 3084800100038 REL-REF (R,,R.B.Firestone+,B,FIRESTONE,,,2004) 3084800100039 WWW Version 2.0, Decay data 3084800100040 (R,,E.Browne+,B,BROWNE,,,1986) Decay data 3084800100041 (R,,J.Blachot+,J,APH,6,3,1981) Decay data 3084800100042 CORRECTION There are many background neutrons from outside of the 3084800100043 region covered by the Gaussian, and their contribution3084800100044 to the measured gamma yields for both monitor 3084800100045 reactions and reactions of interest were subtracted 3084800100046 by calculating the correction factor FACT defined in 3084800100047 Eq.(2). The 27Al(n,x) excitation functions in the 3084800100048 ENDF/B-VII.1 and TENDL-2015 libraries were taken. 3084800100049 MISC-COL (MISC) Correction factor to remove contribution of low 3084800100050 energy background neutrons 3084800100051 ERR-ANALYS (ERR-T) Total uncertainty (10.5-18.7%) 3084800100052 (ERR-S,1.95,10.) Statistical uncertainty (1.95-10.0%) 3084800100053 (ERR-1) irradiation time (~0.5%) 3084800100054 (ERR-2) detection efficiency (~4%) 3084800100055 (ERR-3,7.6,15.2) neutron flux estimation (7.6-15.2%) 3084800100056 (ERR-4) half-life and gamma-ray abundance (~2%) 3084800100057 (ERR-5) neutron flux profile estimated from MCNPX by 3084800100058 Honusek et al. (5%) 3084800100059 STATUS (APRVD) Approved by G.N.Kim (2021-03-11) 3084800100060 HISTORY (20210305C) S.C.Yang 3084800100061 ENDBIB 59 0 3084800100062 COMMON 4 3 3084800100063 ERR-1 ERR-2 ERR-4 ERR-5 3084800100064 PER-CENT PER-CENT PER-CENT PER-CENT 3084800100065 0.5 4. 2. 5. 3084800100066 ENDCOMMON 3 0 3084800100067 ENDSUBENT 66 0 3084800199999 SUBENT 30848002 20210305 32003084800200001 BIB 3 3 3084800200002 REACTION (13-AL-27(N,A)11-NA-24,,SIG,,SPA) 3084800200003 DECAY-DATA (11-NA-24,14.95HR,DG,1368.6,1.00) 3084800200004 STATUS (TABLE) Table 3 of Radiochim.Acta.105,593,2017 3084800200005 ENDBIB 3 0 3084800200006 NOCOMMON 0 0 3084800200007 DATA 5 3 3084800200008 EN EN-RSL-HW DATA ERR-T MISC 3084800200009 MEV MEV MB MB NO-DIM 3084800200010 15.2 3.65 110.6 12.15 0.70 3084800200011 26.4 2.77 13.29 1.48 0.15 3084800200012 37.2 2.20 20.00 3.18 0.10 3084800200013 ENDDATA 5 0 3084800200014 ENDSUBENT 13 0 3084800299999 SUBENT 30848003 20210305 32003084800300001 BIB 3 3 3084800300002 REACTION (13-AL-27(N,P)12-MG-27,,SIG,,SPA) 3084800300003 DECAY-DATA (12-MG-27,9.46MIN,DG,843.7,0.718) 3084800300004 STATUS (TABLE) Table 3 of Radiochim.Acta.105,593,2017 3084800300005 ENDBIB 3 0 3084800300006 NOCOMMON 0 0 3084800300007 DATA 5 3 3084800300008 EN EN-RSL-HW DATA ERR-T MISC 3084800300009 MEV MEV MB MB NO-DIM 3084800300010 15.2 3.65 57.00 6.00 0.41 3084800300011 26.4 2.77 16.63 2.99 0.12 3084800300012 37.2 2.20 6.86 1.38 0.05 3084800300013 ENDDATA 5 0 3084800300014 ENDSUBENT 13 0 3084800399999 ENDENTRY 3 0 3084899999999