ENTRY 23519 20190607 22802351900000001 SUBENT 23519001 20190607 22802351900100001 BIB 10 20 2351900100002 TITLE The Thermal Neutron Capture Cross Section of 84Sr 2351900100003 AUTHOR (G.E.Harrison, F.D.Seymour) 2351900100004 REFERENCE (J,PPS/A,65,958,1952) 2351900100005 INSTITUTE (2UK HAR) 2351900100006 FACILITY (REAC,2UK HAR) Harwell Nuclear Pile 2351900100007 SAMPLE Specpure Sr carbonate ~2 mg 2351900100008 DETECTOR GM4 counter for beta counting. 2351900100009 (NAICR) Thallium-activated sodium iodine crystal for 2351900100010 gammas counting. 2351900100011 METHOD (ACTIV) Cooling time two days to decay of Sr-85m and 2351900100012 Sr-87m. 2351900100013 Beta-activity of activated sample was compared with 2351900100014 beta-activity of P-32 standard source. 2351900100015 Gamma-activity of activated sample was compared with 2351900100016 gamma-activity of I-131 standard source with mixed 2351900100017 gamma spectrum, predominantly 0.36 MeV and 2351900100018 Cs-137 (Egamma 0.663 MeV). 2351900100019 COMMENT Of compiler. Pile neutron spectrum energy is not given 2351900100020 in the article, assumed by compiler as EN-DUMMY=0.0253e2351900100021 HISTORY (20190607C) M.M. 2351900100022 ENDBIB 20 0 2351900100023 NOCOMMON 0 0 2351900100024 ENDSUBENT 23 0 2351900199999 SUBENT 23519002 20190607 22802351900200001 BIB 8 13 2351900200002 REACTION (38-SR-84(N,G)38-SR-85,,SIG,,SPA) 2351900200003 Isotopic capture cross-section. 2351900200004 SAMPLE (38-SR-84,NAT=0.0055) 2351900200005 MONITOR ((MONIT)38-SR-88(N,G)38-SR-89,,SIG,,SPA) 2351900200006 DECAY-MON (38-SR-89,52.5D) Measured 52.5 days 2351900200007 MONIT-REF (,L.Seren+,J,PR,72,888,1947) 2351900200008 DECAY-DATA (38-SR-85-G,65.D) Measured 67 days. 2351900200009 (38-SR-85-M,70.MIN) 2351900200010 (38-SR-87-M,2.8HR) 2351900200011 ERR-ANALYS (DATA-ERR) Type of uncertainty is not explained in the 2351900200012 article. 2351900200013 STATUS (TABLE) Text on page 959 of 2351900200014 Proc.Phys.Soc.A,v.65,p.958,1952 2351900200015 ENDBIB 13 0 2351900200016 NOCOMMON 0 0 2351900200017 DATA 4 1 2351900200018 EN-DUMMY DATA DATA-ERR MONIT 2351900200019 EV B PER-CENT B 2351900200020 0.0253 0.32 20. 0.0050 2351900200021 ENDDATA 3 0 2351900200022 ENDSUBENT 21 0 2351900299999 SUBENT 23519003 20190607 22802351900300001 BIB 6 11 2351900300002 REACTION (38-SR-87(N,G)38-SR-88,,SIG,,SPA,DERIV) 2351900300003 Isotopic capture cross-section. 2351900300004 SAMPLE (38-SR-84,NAT=0.0055) 2351900300005 ASSUMED (ASSUM1,38-SR-0(N,G),,SIG,,SPA) for thermal neutrons 2351900300006 (ASSUM2,38-SR-86(N,G)38-SR-87-M,,SIG,,SPA) 2351900300007 REL-REF (R,,F.C.W.Colmer+,J,PPS/A,63,1175,1950) ASSUM1 2351900300008 (R,,L.Seren+,J,PR,72,888,1947) ASSUM2 2351900300009 ANALYSIS Derived using isotopic abundance of I-184, ASSUM1 and 2351900300010 ASSUM2 data and measured CS for Sr-84. 2351900300011 STATUS (TABLE) Text on page 959 of 2351900300012 Proc.Phys.Soc.A,v.65,p.958,1952 2351900300013 ENDBIB 11 0 2351900300014 NOCOMMON 0 0 2351900300015 DATA 4 1 2351900300016 EN-DUMMY DATA-APRX ASSUM1 ASSUM2 2351900300017 EV B B B 2351900300018 0.0253 17. 1.35 1.3 2351900300019 ENDDATA 3 0 2351900300020 ENDSUBENT 19 0 2351900399999 ENDENTRY 3 0 2351999999999