ENTRY 30837 20160930 31763083700000001 SUBENT 30837001 20160930 31763083700100001 BIB 11 32 3083700100002 TITLE Thermal neutron capture and resonance integral cross 3083700100003 section of 45Sc 3083700100004 AUTHOR (V.D.Nguyen, D.K.Pham, T.T.Kim, T.H.Nguyen, G.N.Kim, 3083700100005 K.S.Kim, S.G.Shin, M.H.Cho, M.W.Lee) 3083700100006 INSTITUTE (3VN IPH,3KORKNU,3KORPUE,3KORDRM) 3083700100007 REFERENCE (J,NIM/B,362,9,2015) 3083700100008 FACILITY (LINAC,3KORPUE) Pohang Neutron Facility 3083700100009 INC-SOURCE (PHOTO) Ta(g,n) photonuclear reaction 3083700100010 SAMPLE Natural scandium foil 3083700100011 - Purity: 99.81% 3083700100012 - Thickness: 0.127 mm 3083700100013 - Weight: 0.0512 g, 0.0475 g 3083700100014 Natural Au foil 3083700100015 - Purity: 99.95% 3083700100016 - Thickness: 0.03 mm 3083700100017 - Weight: 0.0706 g, 0.0693 g 3083700100018 Natural In for the neutron flux monitoring 3083700100019 - Purity: 99.95% 3083700100020 - Thickness: 0.05 mm 3083700100021 - Weight: 0.0495 - 0.0514 g 3083700100022 The natural Sc and Au foils were irradiated with and 3083700100023 without a Cd cover with a thickness of 0.5 mm. 3083700100024 METHOD (ACTIV) Irradiated for 4 hours 3083700100025 (GSPEC) Measuring time based on the half-life of each 3083700100026 radioactive isotope and statistics of gamma-ray peaks 3083700100027 of interest 3083700100028 DETECTOR (HPGE) Energy resolution of 1.8 keV FWHM at 1332.5 keV 3083700100029 peak of 60Co, efficiency of 20% at 1332.5 keV 3083700100030 relative to NaI(Tl) detector with a size of 7.62 cm 3083700100031 diameter and 7.62 cm length 3083700100032 STATUS (APRVD) Approved by G.N.Kim (2016-10-12) 3083700100033 HISTORY (20160930C) S.C.Yang 3083700100034 ENDBIB 32 0 3083700100035 NOCOMMON 0 0 3083700100036 ENDSUBENT 35 0 3083700199999 SUBENT 30837002 20160930 31763083700200001 BIB 7 23 3083700200002 REACTION (21-SC-45(N,G)21-SC-46,,SIG) 3083700200003 DECAY-DATA (21-SC-46-G,83.79D,DG,889.277,0.999840, 3083700200004 DG,1120.545,0.999870) 3083700200005 MONITOR (79-AU-197(N,G)79-AU-198,,SIG) 3083700200006 DECAY-MON (79-AU-198-G,2.6947D,DG,411.802,0.9562) 3083700200007 MONIT-REF (,S.F.Mughabghab,R,INDC(NDS)-440,2003) 3083700200008 ERR-ANALYS (ERR-T) Total uncertainty: 3% 3083700200009 (ERR-1) Geometry, Sc (0.15%)3083700200010 (ERR-2) Detection efficiency, Sc (2.05%)3083700200011 (ERR-3) Mass (foil weight), Sc (0.10%)3083700200012 (ERR-4) Half-life, Sc (0.05%)3083700200013 (ERR-5) Gamma-ray intensity, Sc (0.001%)3083700200014 (ERR-6) Thermal neutron self-shielding, Sc (0.35%)3083700200015 (ERR-7) Coincidence summing effect, Sc (0.50%)3083700200016 (ERR-8,,,U) Counting statistics, Sc (0.50%)3083700200017 (ERR-9) Geometry, Au (0.15%)3083700200018 (ERR-10) Detection efficiency, Au (2.00%)3083700200019 (ERR-11) Mass (foil weight), Au (0.10%)3083700200020 (ERR-12) Half-life, Au (0.01%)3083700200021 (ERR-13) Thermal neutron self-shielding, Au (0.50%)3083700200022 (ERR-14,,,U) Counting statistics, Au (0.30%)3083700200023 (MONIT-ERR) Reference thermal cross section, Au (0.09%)3083700200024 STATUS (TABLE) Table 4 of Nucl.Instrum.Meth.B,362,9,2015 3083700200025 ENDBIB 23 0 3083700200026 COMMON 14 9 3083700200027 ERR-1 ERR-2 ERR-3 ERR-4 ERR-5 ERR-6 3083700200028 ERR-7 ERR-8 ERR-9 ERR-10 ERR-11 ERR-12 3083700200029 ERR-13 ERR-14 3083700200030 PER-CENT PER-CENT PER-CENT PER-CENT PER-CENT PER-CENT 3083700200031 PER-CENT PER-CENT PER-CENT PER-CENT PER-CENT PER-CENT 3083700200032 PER-CENT PER-CENT 3083700200033 0.15 2.05 0.10 0.05 0.001 0.35 3083700200034 0.50 0.50 0.15 2.00 0.10 0.01 3083700200035 0.50 0.30 3083700200036 ENDCOMMON 9 0 3083700200037 DATA 5 1 3083700200038 EN-DUMMY DATA ERR-T MONIT MONIT-ERR 3083700200039 EV B B B B 3083700200040 0.0253 27.5 0.8 98.65 0.09 3083700200041 ENDDATA 3 0 3083700200042 ENDSUBENT 41 0 3083700299999 SUBENT 30837003 20160930 31763083700300001 BIB 9 28 3083700300002 REACTION (21-SC-45(N,G)21-SC-46,,RI) 3083700300003 DECAY-DATA (21-SC-46-G,83.79D,DG,889.277,0.999840, 3083700300004 DG,1120.545,0.999870) 3083700300005 MONITOR ((MONIT1)79-AU-197(N,G)79-AU-198,,RI) 3083700300006 ((MONIT2)21-SC-45(N,G)21-SC-46,,SIG) 3083700300007 ANALYSIS The alpha-shape factor was experimentally determined 3083700300008 by dual monitor method using Cd ratio measurements of 3083700300009 the 186W(n,g)187W and 197Au(n,g)198Au reactions. 3083700300010 The alpha-shape factor was determined to be 0.069 +/- 3083700300011 0.004. 3083700300012 ASSUMED (ASSUM,79-AU-197(N,G)79-AU-198,,SIG) 3083700300013 DECAY-MON ((MONIT1)79-AU-198-G,2.6947D,DG,411.802,0.9562) 3083700300014 REL-REF (R,,S.F.Mughabghab,R,INDC(NDS)-440,2003) 3083700300015 Au thermal cross section and resonance integral given 3083700300016 ERR-ANALYS (ERR-T) Total uncertainty: 5.6% 3083700300017 (ERR-1) Epithermal neutron self-shielding,Sc (0.5%)3083700300018 (ERR-2) Thermal neutron self-shielding, Sc (0.35%)3083700300019 (ERR-3) Coincidence summing effect, Sc (0.50%)3083700300020 (ERR-4) Cadmium ratio, Sc (1.55%)3083700300021 (ERR-5) Alpha-shape factor, Sc (3.15%)3083700300022 (ERR-6) Epithermal neutron self-shielding,Au (1.6%)3083700300023 (ERR-7) Thermal neutron self-shielding, Au (0.5%)3083700300024 (ERR-8) Cadmium ratio, Au (1.45%)3083700300025 (ERR-9) Alpha-shape factor, Au (3.20%)3083700300026 (ASSUM-ERR) Reference thermal cross-section, Au (0.09%)3083700300027 (MONIT1-ERR) Reference resonance integral, Au (1.81%)3083700300028 (MONIT2-ERR) Reference thermal cross-section, Sc(0.74%)3083700300029 STATUS (TABLE) Table 5 of Nucl.Instrum.Meth.B,362,9,2015 3083700300030 ENDBIB 28 0 3083700300031 COMMON 12 6 3083700300032 ERR-1 ERR-2 ERR-3 ERR-4 ERR-5 ERR-6 3083700300033 ERR-7 ERR-8 ERR-9 ASSUM-ERR MONIT1-ERR MONIT2-ERR 3083700300034 PER-CENT PER-CENT PER-CENT PER-CENT PER-CENT PER-CENT 3083700300035 PER-CENT PER-CENT PER-CENT PER-CENT PER-CENT PER-CENT 3083700300036 0.5 0.35 0.50 1.55 3.15 1.6 3083700300037 0.5 1.45 3.20 0.09 1.81 0.74 3083700300038 ENDCOMMON 6 0 3083700300039 DATA 6 1 3083700300040 EN-MIN DATA ERR-T ASSUM MONIT1 MONIT2 3083700300041 EV B B B B B 3083700300042 0.55 12.4 0.7 98.65 1550. 27.5 3083700300043 ENDDATA 3 0 3083700300044 ENDSUBENT 43 0 3083700399999 ENDENTRY 3 0 3083799999999