ENTRY 13053 20200623 14701305300000001 SUBENT 13053001 20200623 14701305300100001 BIB 13 25 1305300100002 TITLE Fission yields of Ba139 and Ba140 in neutron fission 1305300100003 of U235 and U238 1305300100004 AUTHOR (W.E.Grummitt,J.Gueron,G.Wilkinson,L.Yaffe) 1305300100005 INSTITUTE (1CANMRC) 1305300100006 REFERENCE (J,CJR/B,25,364,1947) 1305300100007 INC-SOURCE (RA-BE) Radium-beryllium neutron source. 1305300100008 SAMPLE U-oxide - natural uranium. 1305300100009 The samples were irradiated in paraffin and in air 1305300100010 METHOD (CHSEP) 1305300100011 MONITOR (92-U-238(N,ABS),,ALF,,MXW) Taken as 2/3. 1305300100012 DECAY-DATA ((1.)56-BA-139,86.MIN,B-) 1305300100013 ((2.)56-BA-140,12.7D,B-) 1305300100014 DETECTOR The Beta - particle counters were of the end-on type, 1305300100015 with windows of area 7.1 cm2 and mass thickness 1305300100016 4.5 mgm/cm2. 1305300100017 ERR-ANALYS No information on uncertainty. 1305300100018 STATUS (RIDER) Data were approved by B.F.Rider 1988/12 1305300100019 (TABLE) Tab.II (p.367) and the text on p.368 in 1305300100020 Can.J.Res.B,25,364,1947 1305300100021 HISTORY (19871109C) WD+VM 1305300100022 (20120711A) SD: Updated to new date formats,lower case.1305300100023 Corrected according to last EXFOR rules and Dict. 1305300100024 (20200623A) OG. In Sub002: MXW was replaced by SPA, 1305300100025 INC-SPECT and ANALYSIS added; in Sub003: FIS was 1305300100026 replaced by SPA, INC-SPECT added; STATUS updated. 1305300100027 ENDBIB 25 0 1305300100028 NOCOMMON 0 0 1305300100029 ENDSUBENT 28 0 1305300199999 SUBENT 13053002 20200623 14701305300200001 BIB 4 8 1305300200002 REACTION (92-U-235(N,F)ELEM/MASS,CUM,FY,,SPA) 1305300200003 - for thermal neutron fission of U-235 1305300200004 INC-SPECT Spectrum moderated by paraffin block 1305300200005 ANALYSIS Thermal neutron values were obtained by difference 1305300200006 between the activities formed in the irradiation of 1305300200007 samples in aluminium and cadmium vessels. 1305300200008 HISTORY (20200623A) OG. MXW was replaced by SPA, INC-SPECT 1305300200009 and ANALYSIS added. 1305300200010 ENDBIB 8 0 1305300200011 COMMON 1 3 1305300200012 EN-DUMMY 1305300200013 EV 1305300200014 0.0253 1305300200015 ENDCOMMON 3 0 1305300200016 DATA 4 2 1305300200017 ELEMENT MASS DATA DECAY-FLAG 1305300200018 NO-DIM NO-DIM PC/FIS NO-DIM 1305300200019 56. 139. 6.1 1. 1305300200020 56. 140. 5.6 2. 1305300200021 ENDDATA 4 0 1305300200022 ENDSUBENT 21 0 1305300299999 SUBENT 13053003 20200623 14701305300300001 BIB 4 9 1305300300002 REACTION (92-U-238(N,F)ELEM/MASS,CUM,FY,,SPA) 1305300300003 - for fast fission of U-238 1305300300004 INC-SPECT Spectrum moderated by paraffin block 1305300300005 CORRECTION The U235 in the natural uranium samples was 1305300300006 fissioned by fast neutrons as well, although the 1305300300007 fission cross-sections of U235 are lower than 1305300300008 by thermal neutrons. No correction for this 1305300300009 was made. 1305300300010 HISTORY (20200623A) OG. FIS replaced by SPA, INC-SPECT added. 1305300300011 ENDBIB 9 0 1305300300012 COMMON 1 3 1305300300013 EN-DUMMY 1305300300014 MEV 1305300300015 1.32 1305300300016 ENDCOMMON 3 0 1305300300017 DATA 4 2 1305300300018 ELEMENT MASS DATA DECAY-FLAG 1305300300019 NO-DIM NO-DIM PC/FIS NO-DIM 1305300300020 56. 139. 5.1 1. 1305300300021 56. 140. 4.2 2. 1305300300022 ENDDATA 4 0 1305300300023 ENDSUBENT 22 0 1305300399999 ENDENTRY 3 0 1305399999999