ENTRY 31773 20170602 31793177300000001 SUBENT 31773001 20170602 31793177300100001 BIB 15 31 3177300100002 TITLE Neutron capture cross section measurements and 3177300100003 theoretical calculation for the 186W(n,gamma)187W 3177300100004 reaction 3177300100005 AUTHOR (M.Al-Abyad,G.Y.Mohamed) 3177300100006 INSTITUTE (3EGYCAI) 3177300100007 REFERENCE (J,RCA,105,347,2017) 3177300100008 #doi:10.1515/react-2016-2635 3177300100009 FACILITY (REAC,3EGYCAI) 3177300100010 FLAG (1.) Data obtained using Am-Be source. 3177300100011 (2.) Data obtained using the research reactor. 3177300100012 INC-SOURCE (AM-BE) Am-Be source 5 Ci 241Am activity surrounded 3177300100013 by a cylinder of paraffin wax for moderation of fast 3177300100014 neutrons. 3177300100015 (REAC) 3177300100016 INC-SPECT Am-Be source neutron flux shape alpha value=0.06 3177300100017 Reactor neutron flux shape alpha value = -0.05 3177300100018 SAMPLE (74-W-186,NAT=0.2842) Natural tungsten metallic foils, 3177300100019 10 mm2 in area by 0.2 mm in thickness. 3177300100020 METHOD (CADMB) 3177300100021 (GSPEC) 3177300100022 DETECTOR (HPGE) 3177300100023 CORRECTION Corrections were applied for: 3177300100024 -Cadmium correction factor 3177300100025 -Thermal neutron self-shielding factor 3177300100026 -Westcott correction factor 3177300100027 197Au(n,gamma)198Au = 1.006 3177300100028 186W(n,gamma)187W = 1.002 3177300100029 -Cadmium transmission factor for epithermal neutrons. 3177300100030 DECAY-DATA (74-W-187,23.72HR,DG,479.5,0.218,DG,685.8,0.273) 3177300100031 DECAY-MON (79-AU-198-G,2.69D,DG,411.8,0.9558) 3177300100032 HISTORY (20170602C) VS. 3177300100033 ENDBIB 31 0 3177300100034 NOCOMMON 0 0 3177300100035 ENDSUBENT 34 0 3177300199999 SUBENT 31773002 20170602 31793177300200001 BIB 4 12 3177300200002 REACTION (74-W-186(N,G)74-W-187,,SIG) 3177300200003 MONITOR (79-AU-197(N,G)79-AU-198,,SIG) 3177300200004 ERR-ANALYS (ERR-T) The total uncertainties were estimated from 3177300200005 the following partial uncertainties: 3177300200006 (ERR-1,1.,3.) absolute abundance of the used gamma- 3177300200007 lines (1-3%) 3177300200008 (ERR-2,1.,4.) determination of the peak areas 3177300200009 including statistical errors (1-4%) 3177300200010 (ERR-3) sample mass 2% 3177300200011 (ERR-4,1.,3.) detector efficiency 3177300200012 (MONIT-ERR) 3177300200013 STATUS (TABLE) Table 3 of Radiochim.Acta105(2017)347. 3177300200014 ENDBIB 12 0 3177300200015 COMMON 4 3 3177300200016 EN ERR-3 MONIT MONIT-ERR 3177300200017 EV PER-CENT B B 3177300200018 0.0253 2. 98.65 0.09 3177300200019 ENDCOMMON 3 0 3177300200020 DATA 3 2 3177300200021 DATA ERR-T FLAG 3177300200022 B B NO-DIM 3177300200023 38.75 1.0 1. 3177300200024 39.1 2.6 2. 3177300200025 ENDDATA 4 0 3177300200026 ENDSUBENT 25 0 3177300299999 SUBENT 31773003 20170602 31793177300300001 BIB 5 17 3177300300002 REACTION (74-W-186(N,G)74-W-187,,RI) 3177300300003 MONITOR (79-AU-197(N,G)79-AU-198,,SIG) 3177300300004 ASSUMED (ASSUM1,79-AU-197(N,G)79-AU-198,,SIG) 3177300300005 (ASSUM2,74-W-186(N,G)74-W-187,,SIG) 3177300300006 Thermal cross sections 3177300300007 ERR-ANALYS (ERR-T) The total uncertainties were estimated from 3177300300008 the following partial uncertainties: 3177300300009 (ERR-1,1.,3.) absolute abundance of the used gamma- 3177300300010 lines (1-3%) 3177300300011 (ERR-2,5.,14.) determination of the peak areas 3177300300012 including statistical errors (1-4%) 3177300300013 (ERR-3) sample mass 2% 3177300300014 (ERR-4,1.,3.) detector efficiency 3177300300015 (ERR-5,2.3,3.5) cadmium correction factor (2.3-3.5%) 3177300300016 (ERR-6,1.5,2.5) cadmium ratio (1.5,2.5%) 3177300300017 (MONIT-ERR) 3177300300018 STATUS (TABLE) Table 4 of Radiochim.Acta105(2017)347. 3177300300019 ENDBIB 17 0 3177300300020 COMMON 4 3 3177300300021 EN-MIN ERR-3 MONIT MONIT-ERR 3177300300022 EV PER-CENT B B 3177300300023 0.55 2. 1550. 28. 3177300300024 ENDCOMMON 3 0 3177300300025 DATA 7 2 3177300300026 DATA ERR-T ASSUM1 ASSUM1-ERR ASSUM2 ASSUM2-ERR 3177300300027 FLAG 3177300300028 B B B B B B 3177300300029 NO-DIM 3177300300030 439.6 36. 98.65 0.09 38.75 1.0 3177300300031 1. 3177300300032 418.5 74. 98.65 0.09 39.1 2.6 3177300300033 2. 3177300300034 ENDDATA 8 0 3177300300035 ENDSUBENT 34 0 3177300399999 ENDENTRY 3 0 3177399999999