ENTRY 30844 20190319 31883084400000001 SUBENT 30844001 20190319 31883084400100001 BIB 11 30 3084400100002 TITLE Measurements of the thermal neutron cross-section and 3084400100003 resonance integral for the 108Pd(n,g)109Pd reaction 3084400100004 AUTHOR (T.H.Nguyen, G.N.Kim, K.Kim, V.D.Nguyen, D.K.Pham, 3084400100005 T.T.Kim, S.G.Shin, M.H.Cho) 3084400100006 INSTITUTE (3KORKNU,3VN IPH,3KORPUE) 3084400100007 (3VN VN) Duy Tan University, Hanoi 3084400100008 REFERENCE (J,NIM/B,424,37,2018) 3084400100009 FACILITY (LINAC,3KORPUE) Pohang Neutron Facility 3084400100010 INC-SOURCE (PHOTO) Ta(g,n) photonuclear reaction 3084400100011 SAMPLE (46-PD-108,NAT=0.2646) 3084400100012 Natural palladium (Pd) 3084400100013 - Size: 17 x 17 mm 3084400100014 - Thickness: 0.05 mm 3084400100015 - Weight: 0.1653 g 3084400100016 - Purity: 99.9% 3084400100017 Natural Au foil for the reference reaction 3084400100018 - Size: 17 x 17 mm 3084400100019 - Thickness: 0.03 mm 3084400100020 - Weight: 0.1653 g 3084400100021 - Purity: 99.95% 3084400100022 Natural In for the neutron flux monitoring 3084400100023 The Pd and Au foils were irradiated with and without 3084400100024 a Cd cover of 0.5 mm thickness. 3084400100025 METHOD (ACTIV,GSPEC) Irradiated for 3 hours 3084400100026 DETECTOR (HPGE) Relative efficiency of 20% and energy 3084400100027 resolution of 1.8 keV FWHM at 1332.5 keV peak of 60Co 3084400100028 STATUS (APRVD) Approved by G.N.Kim (2019-03-21) 3084400100029 HISTORY (20190221R) Reference cross section and resonance 3084400100030 integral data received from T.H.Nguyen 3084400100031 (20190319C) S.C.Yang 3084400100032 ENDBIB 30 0 3084400100033 NOCOMMON 0 0 3084400100034 ENDSUBENT 33 0 3084400199999 SUBENT 30844002 20190319 31883084400200001 BIB 7 21 3084400200002 REACTION (46-PD-108(N,G)46-PD-109,,SIG) 3084400200003 DECAY-DATA (46-PD-109-G,13.7012HR,DG,88.0336,0.0367) 3084400200004 MONITOR (79-AU-197(N,G)79-AU-198,,SIG) 3084400200005 DECAY-MON (79-AU-198-G,2.6947D,DG,411.80205,0.9562) 3084400200006 MONIT-REF (,S.F.Mughabghab,R,INDC(NDS)-440,2003) 3084400200007 ERR-ANALYS (ERR-T) Total uncertainty: 4.70% 3084400200008 (ERR-1) Geometry, Pd (0.15%) 3084400200009 (ERR-2) Detection efficiency, Pd (2.2%) 3084400200010 (ERR-3) Mass (foil weight), Pd (0.1%) 3084400200011 (ERR-4) Half-life, Pd (0.02%) 3084400200012 (ERR-5) Gamma-ray intensity, Pd (3.54%) 3084400200013 (ERR-6) Thermal neutron self-shielding, Pd (0.3%) 3084400200014 (ERR-7,,,U) Counting statistics, Pd (0.5%) 3084400200015 (ERR-8) Geometry, Au (0.15%) 3084400200016 (ERR-9) Detection efficiency, Au (2.0%) 3084400200017 (ERR-10) Mass (foil weight), Au (0.1%) 3084400200018 (ERR-11) Half-life, Au (0.01%) 3084400200019 (ERR-12) Thermal neutron self-shielding, Au (0.5%) 3084400200020 (ERR-13,,,U) Counting statistics, Au (0.3%) 3084400200021 (MONIT-ERR) Reference thermal cross section, Au(0.09%) 3084400200022 STATUS (TABLE) Table 5 of Nucl.Instrum.Meth.B424(2018)37 3084400200023 ENDBIB 21 0 3084400200024 COMMON 13 9 3084400200025 ERR-1 ERR-2 ERR-3 ERR-4 ERR-5 ERR-6 3084400200026 ERR-7 ERR-8 ERR-9 ERR-10 ERR-11 ERR-12 3084400200027 ERR-13 3084400200028 PER-CENT PER-CENT PER-CENT PER-CENT PER-CENT PER-CENT 3084400200029 PER-CENT PER-CENT PER-CENT PER-CENT PER-CENT PER-CENT 3084400200030 PER-CENT 3084400200031 0.15 2.2 0.1 0.02 3.54 0.3 3084400200032 0.5 0.15 2.0 0.1 0.01 0.5 3084400200033 0.3 3084400200034 ENDCOMMON 9 0 3084400200035 DATA 5 1 3084400200036 EN DATA ERR-T MONIT MONIT-ERR 3084400200037 EV B B B B 3084400200038 0.0253 8.68 0.41 98.65 0.09 3084400200039 ENDDATA 3 0 3084400200040 ENDSUBENT 39 0 3084400299999 SUBENT 30844003 20190319 31883084400300001 BIB 9 26 3084400300002 REACTION (46-PD-108(N,G)46-PD-109,,RI) 3084400300003 DECAY-DATA (46-PD-109-G,13.7012HR,DG,88.0336,0.0367) 3084400300004 MONITOR (79-AU-197(N,G)79-AU-198,,SIG) 3084400300005 DECAY-MON (79-AU-198-G,2.6947D,DG,411.80205,0.9562) 3084400300006 ANALYSIS The alpha-shape factor was experimentally determined 3084400300007 by dual monitor method. It was derived from the Eq. 3084400300008 (2) of Nucl.Instrum.Meth.B,424,37,2018. 3084400300009 ASSUMED (ASSUM1,79-AU-197(N,G)79-AU-198,,SIG) 3084400300010 (ASSUM2,79-AU-197(N,G)79-AU-198,,RI) 3084400300011 (ASSUM3,46-PD-108(N,G)46-PD-109,,SIG) 3084400300012 REL-REF (R,,S.F.Mughabghab,R,INDC(NDS)-440,2003) 3084400300013 Au and Pd thermal cross section and resonance integral 3084400300014 given 3084400300015 ERR-ANALYS (ERR-T) Total uncertainty: 10.23% 3084400300016 (ERR-1) Epithermal neutron self-shielding, Pd (1.5%) 3084400300017 (ERR-2) Thermal neutron self-shielding, Pd (0.3%) 3084400300018 (ERR-3,,,U) Cadmium ratio, Pd (5.2%) 3084400300019 (ERR-4) Alpha-shape factor, Pd (3.5%) 3084400300020 (ERR-5) Epithermal neutron self-shielding, Au (1.7%) 3084400300021 (ERR-6) Thermal neutron self-shielding, Au (0.5%) 3084400300022 (ERR-7,,,U) Cadmium ratio, Au (1.5%) 3084400300023 (ERR-8) Alpha-shape factor, Au (3.5%) 3084400300024 (ASSUM1-ERR) Reference thremal cross-section,Au(0.09%) 3084400300025 (ASSUM2-ERR) Reference resonance integral, Au (1.81%) 3084400300026 (ASSUM3-ERR) Reference thermal cross-section, Pd(6.5%) 3084400300027 STATUS (TABLE) Table 6 of Nucl.Instrum.Meth.B424(2018)37 3084400300028 ENDBIB 26 0 3084400300029 COMMON 11 6 3084400300030 ERR-1 ERR-2 ERR-3 ERR-4 ERR-5 ERR-6 3084400300031 ERR-7 ERR-8 ASSUM1-ERR ASSUM2-ERR ASSUM3-ERR 3084400300032 PER-CENT PER-CENT PER-CENT PER-CENT PER-CENT PER-CENT 3084400300033 PER-CENT PER-CENT PER-CENT PER-CENT PER-CENT 3084400300034 1.5 0.3 5.2 3.5 1.7 0.5 3084400300035 1.5 3.5 0.09 1.81 6.5 3084400300036 ENDCOMMON 6 0 3084400300037 DATA 6 1 3084400300038 EN-MIN DATA ERR-T ASSUM1 ASSUM2 ASSUM3 3084400300039 EV B B B B B 3084400300040 0.55 245.6 24.8 98.65 1550. 6.9 3084400300041 ENDDATA 3 0 3084400300042 ENDSUBENT 41 0 3084400399999 ENDENTRY 3 0 3084499999999