ENTRY 23804 20210610 23012380400000001 SUBENT 23804001 20210610 23012380400100001 BIB 12 23 2380400100002 TITLE The fission yields of Ru103 and Ru106 2380400100003 AUTHOR (W.H.Hardwick) 2380400100004 REFERENCE (J,PR,92,1072(2),1953) 2380400100005 INSTITUTE (2UK HAR) 2380400100006 FACILITY (REAC,2UK HAR) Harwell pile at Atomic Energy Research 2380400100007 Establishment. 2380400100008 INC-SOURCE (REAC) 2380400100009 INC-SPECT Contribution from fast fission was considered as 2380400100010 negligible. 2380400100011 SAMPLE Four samples of U metal. 2380400100012 DETECTOR (GEMUC) End-window Geiger tube for beta counting. 2380400100013 Calibrated by 4PI counter and checked by Ra D-E-F 2380400100014 source. 2380400100015 (NAICR) Sodium iodide crystal of 1.75 inch diameter, 2380400100016 0.75 inch thick for gamma counting. 2380400100017 Calibrated by Au-198 and Cs-137 sources. 2380400100018 Efficiency for Ru-103 was taken to be 2.8%. 2380400100019 METHOD (CHSEP) Irradiation: 2380400100020 one sample - 7 days, one - 1 month, two - six months. 2380400100021 Samples were dissolved in warm nitric acid. 2380400100022 Ru metal was used as carrier. 2380400100023 CORRECTION Scattering and self-absorption corrections < 1%. 2380400100024 HISTORY (20210220C) M.M. 2380400100025 ENDBIB 23 0 2380400100026 COMMON 1 3 2380400100027 EN-DUMMY 2380400100028 EV 2380400100029 0.0253 2380400100030 ENDCOMMON 3 0 2380400100031 ENDSUBENT 30 0 2380400199999 SUBENT 23804002 20210610 23012380400200001 BIB 7 12 2380400200002 REACTION (92-U-0(N,F)ELEM/MASS,CUM,FY,,SPA) 2380400200003 MONITOR (92-U-0(N,F)56-BA-140,CUM,FY,,SPA) 2380400200004 DECAY-DATA (44-RU-103,,DG,490.) 2380400200005 FLAG (1.) Irradiation time 7 days 2380400200006 (2.) Irradiation time 1 month 2380400200007 REL-REF (M,,L.E.Glendenin+,B,RCS,9,(IV),(#103),1951) 2380400200008 Vol.9, div. IV, paper # 103. 2380400200009 Method of Ba-140 activities determination. 2380400200010 Modified by G.B.Cook and H.Willis ( unpublished). 2380400200011 ERR-ANALYS (DATA-ERR) Uncertainties are largely due to the fission2380400200012 yield of Ba and the half-live of Ru-106. 2380400200013 STATUS (TABLE) Table 1 of Phys.Rev.,v.92,p.1072,1953 2380400200014 ENDBIB 12 0 2380400200015 COMMON 2 3 2380400200016 MONIT ELEMENT 2380400200017 PC/FIS NO-DIM 2380400200018 6.2 44. 2380400200019 ENDCOMMON 3 0 2380400200020 DATA 4 4 2380400200021 MASS DATA DATA-ERR FLAG 2380400200022 NO-DIM PC/FIS PER-CENT NO-DIM 2380400200023 103. 2.8 5.7 1. 2380400200024 103. 2.9 5.7 2. 2380400200025 106. 0.37 7.6 1. 2380400200026 106. 0.38 7.6 2. 2380400200027 ENDDATA 6 0 2380400200028 ENDSUBENT 27 0 2380400299999 SUBENT 23804003 20210610 23012380400300001 BIB 7 10 2380400300002 REACTION (92-U-0(N,F)ELEM/MASS,CUM,FY,,SPA) 2380400300003 MONITOR (92-U-0(N,F)55-CS-137,CUM,FY,,SPA) 2380400300004 DECAY-MON (55-CS-137,,DG,660.) 2380400300005 METHOD Irradiation time 6 months. 2380400300006 Cs-137 activity was determined by method of 2380400300007 J.G.Cuninghame& M.Sizeland ( ref. not given). 2380400300008 PART-DET (B) 2380400300009 ERR-ANALYS (DATA-ERR) Uncertainties are largely due to the fission2380400300010 yield Cs and the half-lives of Ru-106 and Cs-137 2380400300011 STATUS (TABLE) Table 1 of Phys.Rev.,v.92,p.1072,1953 2380400300012 ENDBIB 10 0 2380400300013 COMMON 2 3 2380400300014 MONIT ELEMENT 2380400300015 PC/FIS NO-DIM 2380400300016 6.15 44. 2380400300017 ENDCOMMON 3 0 2380400300018 DATA 3 2 2380400300019 MASS DATA DATA-ERR 2380400300020 NO-DIM PC/FIS PER-CENT 2380400300021 106. 0.38 7.6 2380400300022 106. 0.39 7.6 2380400300023 ENDDATA 4 0 2380400300024 ENDSUBENT 23 0 2380400399999 SUBENT 23804004 20210610 23012380400400001 BIB 3 7 2380400400002 REACTION (92-U-0(N,F)ELEM/MASS,CUM,FY,,SPA) 2380400400003 ERR-ANALYS (DATA-ERR) Uncertainties are largely due to the fission2380400400004 yields of Ba and Cs and the half-lives of Ru-106 and 2380400400005 Cs-137. 2380400400006 STATUS (TABLE) Text page 1073 of Phys.Rev.,v.92,p.1072,1953 2380400400007 (DEP,23804002) measurement relative to Ba-140 2380400400008 (DEP,23804003) measurement relative to Cs-137 2380400400009 ENDBIB 7 0 2380400400010 COMMON 1 3 2380400400011 ELEMENT 2380400400012 NO-DIM 2380400400013 44. 2380400400014 ENDCOMMON 3 0 2380400400015 DATA 3 2 2380400400016 MASS DATA DATA-ERR 2380400400017 NO-DIM PC/FIS PC/FIS 2380400400018 103. 2.85 0.16 2380400400019 106. 0.38 0.03 2380400400020 ENDDATA 4 0 2380400400021 ENDSUBENT 20 0 2380400499999 ENDENTRY 4 0 2380499999999