ENTRY 23714 20200601 22882371400000001 SUBENT 23714001 20200601 22882371400100001 BIB 9 22 2371400100002 TITLE The spontaneous fission of uranium-238 2371400100003 AUTHOR (T.Ishimori,K.Ueno,K.Kimura,E.Akatsu,Y.Kobayashi, 2371400100004 J.Akatsu,R.Ono,M.Hoshi) 2371400100005 REFERENCE (J,RCA,7,95,1967) 2371400100006 INSTITUTE (2JPNJAE) 2371400100007 SAMPLE U(IV) total amount 155.4 kg U, concentration 280 gU/l.2371400100008 Ce(III) carrier 1.36 g Ce, 2.5mg Ce/l. 2371400100009 Ag carrier 1.00 g Ag, 1.8 mg Ag/l. 2371400100010 Y carrier 0.78 g Y, 1.4 mg Y/l. 2371400100011 Natural U nitrate solution in HNO(2) conc. 2 M of total2371400100012 volume 555 l, density (20 deg C) 1.393 g/cm3 2371400100013 METHOD (CHSEP) Details are given in the article. 2371400100014 DETECTOR (NAICR) Gamma-ray spectrometer with 5 inch x 5 inch 2371400100015 NaI(Tl) crystal, TMC 400 channel pulse-height analyzer.2371400100016 (PROPC) Low-background proportional counter for 2371400100017 beta-counting. 2371400100018 CORRECTION For decay at sampling. 2371400100019 For chemical yield. 2371400100020 For self-absorption, electron conversion, counting 2371400100021 efficiency. 2371400100022 For saturation 2371400100023 HISTORY (20200601C) M.M. 2371400100024 ENDBIB 22 0 2371400100025 NOCOMMON 0 0 2371400100026 ENDSUBENT 25 0 2371400199999 SUBENT 23714002 20200601 22882371400200001 BIB 5 11 2371400200002 REACTION (92-U-238(0,F)ELEM/MASS,CUM,FY) 2371400200003 DECAY-DATA (39-Y-90-G,64.5HR) 2371400200004 (39-Y-91-G,58.D) 2371400200005 (39-Y-93-G,10.63HR) 2371400200006 (58-CE-141,32.5D) 2371400200007 (58-CE-143,33.4HR) 2371400200008 FLAG (1.) U-238 SF HL 8.00E+15 yr 2371400200009 (2.) U-238 SF HL 7.19E+15 yr 2371400200010 ERR-ANALYS (DATA-ERR) Type of uncertainty is not explained in the 2371400200011 article. 2371400200012 STATUS (TABLE) Table 3 of Radiochimica Acta,v.7,p.95,1967 2371400200013 ENDBIB 11 0 2371400200014 NOCOMMON 0 0 2371400200015 DATA 5 8 2371400200016 ELEMENT MASS DATA DATA-ERR FLAG 2371400200017 NO-DIM NO-DIM PC/FIS PC/FIS NO-DIM 2371400200018 39. 91. 9.41 0.27 1. 2371400200019 39. 91. 8.30 0.466 2. 2371400200020 39. 93. 11.04 0.47 1. 2371400200021 39. 93. 9.62 0.420 2. 2371400200022 58. 141. 10.40 0.513 1. 2371400200023 58. 141. 8.19 0.462 2. 2371400200024 58. 143. 8.53 0.259 1. 2371400200025 58. 143. 7.49 0.234 2. 2371400200026 ENDDATA 10 0 2371400200027 ENDSUBENT 26 0 2371400299999 SUBENT 23714003 20200601 22882371400300001 BIB 4 7 2371400300002 REACTION (92-U-238(0,F)MASS,CHN,FY,,,DERIV) 2371400300003 ANALYSIS Derived by interpolation from measured yields and 2371400300004 data of other authors using NU=2.2 n/fis to 2371400300005 complementary mass products and U-238 SF HL 7.19E+15 yr2371400300006 ERR-ANALYS (DATA-ERR) Type of uncertainty is not explained in the 2371400300007 article. 2371400300008 STATUS (TABLE) Table 3 of Radiochimica Acta,v.7,p.95,1967 2371400300009 ENDBIB 7 0 2371400300010 NOCOMMON 0 0 2371400300011 DATA 3 5 2371400300012 MASS DATA DATA-ERR 2371400300013 NO-DIM PC/FIS PC/FIS 2371400300014 138. 6.51 0.651 2371400300015 139. 7.56 0.756 2371400300016 142. 7.98 0.798 2371400300017 148. 2.28 0.228 2371400300018 149. 1.47 0.147 2371400300019 ENDDATA 7 0 2371400300020 ENDSUBENT 19 0 2371400399999 ENDENTRY 3 0 2371499999999