ENTRY 31523 20190826 31903152300000001 SUBENT 31523001 20190826 31903152300100001 BIB 13 48 3152300100002 TITLE Nuclear charge distribution in the spontaneous fission 3152300100003 of 252Cf: Determination of fractional cumulative 3152300100004 yields of 133mTe and 133gTe 3152300100005 AUTHOR (Zhang Yan-Ling, Li Xue-Liang, Wang Fang-Ding, 3152300100006 Guo Jing-Ru, Tang Pei-Jia, Liu Da-Ming, Cui An-Zhi, 3152300100007 Su Shu-Xin) 3152300100008 INSTITUTE (3CPRAEP) 3152300100009 (3CPRCPR) Inst. of Biophysics, Acad. Sinica, Beijing 3152300100010 REFERENCE (J,JRN,189,165,1995) 3152300100011 (R,CNIC-421,1990) Prelim. data and additional table 3152300100012 SAMPLE 252Cf electro-deposited on Au planchet covered with 3152300100013 VYNS film. 3152300100014 Fission fragments could pass through film. 3152300100015 Fission fragments were collected on sodium acetate 3152300100016 salt pellets with mass thickness 70-90 mg/cm2. 3152300100017 METHOD (CHSEP) Pellets were dissolved in hot basic solution 3152300100018 containing iodine carrier and a little hold-back 3152300100019 carrier of tellurium. 3152300100020 After completion of separation, iodine was oxidized, 3152300100021 then extracted and after further chemical procedures 3152300100022 collected on a teflon disc, dried, mounted and 3152300100023 counted. 3152300100024 (GSPEC) 133I (530 keV peak) was counted, 135I was 3152300100025 used as intrinsic monitor for the chemical yield. 3152300100026 Spectra were taken at different separation times. 3152300100027 DETECTOR (NAICR) Low-background NaI(Tl) scintillation detector 3152300100028 coupled to multichannel analyzer. 3152300100029 ANALYSIS (DECAY) Spectra taken at different delay (separation) 3152300100030 times were used to obtain the parameters of the 3152300100031 equations for the growth (from 133mTe and 133gTe) 3152300100032 and the decay of 133I, and hence for the fractional 3152300100033 yields of 133mTe and 133gTe. 3152300100034 The equations were solved in an iteration process. 3152300100035 REL-REF (R,,A.C.Wahl,J,AND,39,1,198805) 3152300100036 Reference for ASSUMED 3152300100037 value, used in the data analysis. 3152300100038 ASSUMED (ASSUM,98-CF-252(0,F)51-SB-133,CUM,FY,,FRC) 3152300100039 CORRECTION Corrected for 3152300100040 - chemical yield, 3152300100041 - interfering gamma-peaks of 135mXe and 135gXe, 3152300100042 - efficiencies of counters. 3152300100043 ERR-ANALYS No information on the source of the uncertainty. 3152300100044 Compiler's comment: The total error is probably 3152300100045 resulting from the iteration process employed to 3152300100046 obtain fractional yields from activities. 3152300100047 HISTORY (20030122C) ML 3152300100048 (20090604A) SD: Extra paren in ASSUMED deleted. 3152300100049 (20190826A) On. Major revision in 002. 3152300100050 ENDBIB 48 0 3152300100051 COMMON 1 3 3152300100052 ASSUM 3152300100053 NO-DIM 3152300100054 0.306 3152300100055 ENDCOMMON 3 0 3152300100056 ENDSUBENT 55 0 3152300199999 SUBENT 31523002 20190826 31903152300200001 BIB 6 13 3152300200002 REACTION (98-CF-252(0,F)ELEM/MASS,CUM,FY,,FRC) 3152300200003 DECAY-DATA (51-SB-133,2.34MIN,B-,,0.42) to Te-133m 3152300200004 (52-TE-133-M,55.4MIN,DG,,0.165) internal transition 3152300200005 (52-TE-133-G,12.45MIN) 3152300200006 (53-I-133-G,20.8HR,DG,529.855,0.86) 3152300200007 (53-I-135,6.553HR,DG,526.563,0.131, 3152300200008 DG,546.564,0.0713) 3152300200009 (54-XE-135-M,15.65MIN,DG,526.563,0.812) 3152300200010 (54-XE-135-G,9.104HR,DG,249.792,0.90) 3152300200011 MISC-COL Initial values for the data in the iteration process. 3152300200012 ERR-ANALYS (DATA-ERR) No information on the source of uncertainty 3152300200013 STATUS (TABLE) Table 2 of J.Radioanal.Nucl.Chem 189(1995)165 3152300200014 HISTORY (20190826A) On. REACTION corrected. RESULT deleted. 3152300200015 ENDBIB 13 0 3152300200016 NOCOMMON 0 0 3152300200017 DATA 6 3 3152300200018 ELEMENT MASS ISOMER DATA DATA-ERR MISC 3152300200019 NO-DIM NO-DIM NO-DIM NO-DIM NO-DIM NO-DIM 3152300200020 52. 133. 1. 0.533 0.014 0.523 3152300200021 52. 133. 0. 0.291 0.042 0.297 3152300200022 52. 133. 0.824 0.044 3152300200023 ENDDATA 5 0 3152300200024 ENDSUBENT 23 0 3152300299999 SUBENT 31523003 20190826 31903152300300001 BIB 4 8 3152300300002 REACTION (98-CF-252(0,F)52-TE-133-M/G,IND,FY/RAT) 3152300300003 ADD-RES (AMFF) J-rms(133Te) = 8.8 h-bar: the root-mean-square 3152300300004 angular momentum of the 133Te primary fission 3152300300005 fragments, deduced from the data, the assumed value 3152300300006 and the initial angular momentum of the 133Te isomers.3152300300007 STATUS (TABLE) Table 2 of J.Radioanal.Nucl.Chem 189(1995)165 3152300300008 (DEP,31523002) 3152300300009 HISTORY (20190826U) On. STATUS. Code TABLE added. 3152300300010 ENDBIB 8 0 3152300300011 NOCOMMON 0 0 3152300300012 DATA 1 1 3152300300013 DATA 3152300300014 NO-DIM 3152300300015 3.5 3152300300016 ENDDATA 3 0 3152300300017 ENDSUBENT 16 0 3152300399999 SUBENT 31523004 20190826 31903152300400001 BIB 3 5 3152300400002 REACTION (98-CF-252(0,F)MASS,SEC,ZP) 3152300400003 STATUS (TABLE) Table 2 of J.Radioanal.Nucl.Chem 189(1995)165 3152300400004 (DEP,31523002) 3152300400005 (DEP,31523003) 3152300400006 HISTORY (20190826U) On. STATUS. Code TABLE added. 3152300400007 ENDBIB 5 0 3152300400008 NOCOMMON 0 0 3152300400009 DATA 2 1 3152300400010 MASS DATA 3152300400011 NO-DIM NO-DIM 3152300400012 133. 51.79 3152300400013 ENDDATA 3 0 3152300400014 ENDSUBENT 13 0 3152300499999 ENDENTRY 4 0 3152399999999