ENTRY 41722 20201117 41914172200000001 SUBENT 41722001 20201117 41914172200100001 BIB 14 54 4172200100002 TITLE The isomeric ratios in (n,gamma) neutron capture 4172200100003 reactions on 108Pd and 110Pd nuclei 4172200100004 AUTHOR (Hue Minh Bui, Thiep Duc Tran, An Thi Truong, 4172200100005 Cuong Viet Phan, S.M.Lukyanov, A.G.Belov, S.Mitrofanov)4172200100006 REFERENCE (J,JRN,326,503,2020) 4172200100007 INSTITUTE (4ZZZDUB) S.M.Lukyanov, A.G.Belov, S.Mitrofanov 4172200100008 (3VN IPH) Hue Minh Bui,Thiep Duc Tran 4172200100009 (3VN STH) Hue Minh Bui, Thiep Duc Tran, An Thi Truong 4172200100010 (3VN NNR) Cuong Viet Phan 4172200100011 REL-REF (N,,Tran Duc Thiep+,J,JRN,303,(1),99,2015) 4172200100012 Definition of isomeric ratio. 4172200100013 FACILITY (ACCEL,4ZZZDUB) Electron accelerator Microtron MT-25. 4172200100014 The average electron current 15 microA, 4172200100015 irradiation time 90 min. 4172200100016 INC-SOURCE The neutrons were simultaneously obtained through 4172200100017 (gamma,n) reaction of Be , 4172200100018 (gamma,f) photo-fission and (gamma,n) reactions on U 4172200100019 with the 24 MeV end-point energy bremsstrahlung 4172200100020 produced by an electron beam from the accelerator. 4172200100021 The photon-neutron uranium-beryllium converter 4172200100022 in a 120 x 120 x 120 cm3 graphite cube was served as 4172200100023 the main neutron moderator to thermal and resonant 4172200100024 energy neutrons. 4172200100025 INC-SPECT . Resonant neutrons (sample with Cd foil). 4172200100026 . Mixed thermal-resonant neutrons (sample without Cd 4172200100027 foil). 4172200100028 SAMPLE . 99.99% purity PdO powder, packed in polyethylene 4172200100029 wrap in disk shape of 1 cm diameter. 4172200100030 The sample mass was 0.3230 g. 4172200100031 Sample was placed at 40 cm distance from the center of 4172200100032 the graphite cube. 4172200100033 Measurement without and with Cd foil of 2 mm thickness.4172200100034 DETECTOR (HPGE) Coaxial p-type HPGe detector (Canberra) with 4172200100035 60.5 mm diameter and 31 mm length, connected to a PC 4172200100036 based 8192 channel analyzer for the data processing. 4172200100037 The Canberra software GENIE 2000 was used for the data 4172200100038 acquisition and gamma-ray spectra analysis. 4172200100039 METHOD (ACTIV,GSPEC) 4172200100040 MONITOR Au foils were used for neutron flux monitoring. 4172200100041 ERR-ANALYS (ERR-T) Total uncertainty 10.0% 4172200100042 Sources of uncertainties 4172200100043 (ERR-S,1.0,2.0) Statistical error 4172200100044 (ERR-1) Detector efficiency 2.0 4172200100045 (ERR-2) Half life 1.5 4172200100046 (ERR-3) Branching ratio 3.0 4172200100047 (ERR-4) Uncertainties related to the isomeric 9.6 4172200100048 calculation 4172200100049 (ERR-5) Sample-detector distance 1.0 4172200100050 (ERR-6) Gamma ray selection 1.0 4172200100051 (ERR-7) Electron beam variation 1.0 4172200100052 (ERR-8) Irradiation time 1.5 4172200100053 (ERR-9) Cooling time 1.0 4172200100054 (ERR-10) Uncertainties related to systematics 2.5 4172200100055 HISTORY (20201220C) M.M. 4172200100056 ENDBIB 54 0 4172200100057 COMMON 10 6 4172200100058 ERR-1 ERR-2 ERR-3 ERR-4 ERR-5 ERR-6 4172200100059 ERR-7 ERR-8 ERR-9 ERR-10 4172200100060 PER-CENT PER-CENT PER-CENT PER-CENT PER-CENT PER-CENT 4172200100061 PER-CENT PER-CENT PER-CENT PER-CENT 4172200100062 2.0 1.5 3.0 9.6 1.0 1.0 4172200100063 1.0 1.5 1.0 2.5 4172200100064 ENDCOMMON 6 0 4172200100065 ENDSUBENT 64 0 4172200199999 SUBENT 41722002 20201117 41914172200200001 BIB 5 14 4172200200002 REACTION (46-PD-108(N,G)46-PD-109-M/T,,SIG/RAT,,MXW) 4172200200003 DECAY-DATA (46-PD-109-M,4.69MIN,DG,189.0,0.559) 4172200200004 (46-PD-109-G,13.7HR,DG,88.04,0.036) 4172200200005 CORRECTION Correction factors for 4172200200006 E-gamma,keV Self-absorption Summing coincidence 4172200200007 h=0 cm h=5 cm 4172200200008 88.04 1.24 1.0 1.0 4172200200009 189.0 1.05 1.0 1.0 4172200200010 h is sample - detector distance. 4172200200011 COMMENT Of authors. 4172200200012 The same value was obtained for resonant neutrons 4172200200013 and for mixed thermal-resonant neutrons . 4172200200014 STATUS (TABLE) Table 4 of J.of Radioanalytical and Nuclear 4172200200015 Chemistry, v.326, p.503, 2020 4172200200016 ENDBIB 14 0 4172200200017 NOCOMMON 0 0 4172200200018 DATA 3 1 4172200200019 EN-DUMMY DATA ERR-T 4172200200020 EV NO-DIM NO-DIM 4172200200021 0.0253 0.023 0.002 4172200200022 ENDDATA 3 0 4172200200023 ENDSUBENT 22 0 4172200299999 SUBENT 41722003 20201117 41914172200300001 BIB 5 15 4172200300002 REACTION (46-PD-110(N,G)46-PD-111-M/G,,SIG/RAT,,MXW) 4172200300003 DECAY-DATA (46-PD-111-M,5.5HR,DG,172.2,0.340) 4172200300004 (46-PD-111-G,23.4MIN,DG,547.0,0.0038,DG,650.4,0.0057) 4172200300005 CORRECTION Correction factors for 4172200300006 E-gamma,keV Self-absorption Summing coincidence 4172200300007 h=0 cm h=5 cm 4172200300008 172.2 1.06 1.0 1.0 4172200300009 547.0 1.01 1.01 1.0 4172200300010 650.4 1.0 1.01 1.0 4172200300011 h is sample - detector distance. 4172200300012 COMMENT Of authors. 4172200300013 The same value was obtained for resonant neutrons 4172200300014 and for mixed thermal-resonant neutrons . 4172200300015 STATUS (TABLE) Table 4 of J.of Radioanalytical and Nuclear 4172200300016 Chemistry, v.326, p.503, 2020 4172200300017 ENDBIB 15 0 4172200300018 NOCOMMON 0 0 4172200300019 DATA 3 1 4172200300020 EN-DUMMY DATA ERR-T 4172200300021 EV NO-DIM NO-DIM 4172200300022 0.0253 0.037 0.004 4172200300023 ENDDATA 3 0 4172200300024 ENDSUBENT 23 0 4172200399999 ENDENTRY 3 0 4172299999999