ENTRY 30629 20050623 31173062900000001 SUBENT 30629001 20050623 31173062900100001 BIB 13 22 3062900100002 INSTITUTE (3INDTRM) 3062900100003 REFERENCE (J,RCA,30,15,1982) Final publication 3062900100004 (R,BARC-1126,7,1981) The same results as in the first 3062900100005 reference 3062900100006 AUTHOR (A.Ramaswami,B.K.Srivastava,S.B.Manohar,S.Prakash, 3062900100007 M.V.Ramanian) 3062900100008 TITLE Charge distribution in the spontaneous fission of 3062900100009 252Cf. Determination of fractional cumulative yields 3062900100010 of 138Xe and 139Cs 3062900100011 SAMPLE 7 microgram 252Cf sample, prepared by 3062900100012 electrodeposition on platinum planchet. 3062900100013 METHOD Fission fragments collected on catcher foil or pellet 3062900100014 the collection time varied from 5 to 10 min 3062900100015 DETECTOR (GELI) 60 c.c.Ge(Li) detector 3062900100016 ANALYSIS Solution of the decay equations for isobaric decay 3062900100017 chains 3062900100018 MONITOR Absolute measurements 3062900100019 PART-DET (DG) Gammas after beta-decay 3062900100020 STATUS Data from table 1 of the first reference 3062900100021 HISTORY (19820701C) Data compiled by VP. 3062900100022 (20040311U) SD:changed to 4-dig. year and lower case 3062900100023 ERR-ANALYS no information 3062900100024 ENDBIB 22 0 3062900100025 NOCOMMON 0 0 3062900100026 ENDSUBENT 25 0 3062900199999 SUBENT 30629002 20050623 31173062900200001 BIB 4 13 3062900200002 REACTION ((98-CF-252(0,F)54-XE-138,CUM,FY)/ 3062900200003 (98-CF-252(0,F)MASS,CHN,FY)) 3062900200004 METHOD (REC) Aluminium catcher foil was used for collecting 3062900200005 the fission products 3062900200006 DECAY-DATA (55-CS-138-G,32.2MIN,DG,1435.) was used for 3062900200007 measurements 3062900200008 (54-XE-138,14.2MIN) was used for analysis 3062900200009 (55-CS-138-M,2.9MIN,DG,79.9,0.81) was used for 3062900200010 analysis. 3062900200011 COMMENT The ratio of the independent yields for 138mCs to 3062900200012 138gCs to take into account the partial decay 3062900200013 of 138Xe through 138mCs was taken 1.3 (see D.C. 3062900200014 Aumann,D.Weismann,J.Inorg.Nucl.Chem.,40,1611,(1978)) 3062900200015 ENDBIB 13 0 3062900200016 NOCOMMON 0 0 3062900200017 DATA 3 1 3062900200018 MASS DATA DATA-ERR 3062900200019 NO-DIM NO-DIM NO-DIM 3062900200020 1.3800E+02 8.5000E-01 3.0000E-02 3062900200021 ENDDATA 3 0 3062900200022 ENDSUBENT 21 0 3062900299999 SUBENT 30629003 20050623 31173062900300001 BIB 5 16 3062900300002 REACTION ((98-CF-252(0,F)55-CS-139,CUM,FY)/ 3062900300003 (98-CF-252(0,F)MASS,CHN,FY)) 3062900300004 METHOD (REC) Ammonium nitrate pellet was used as catcher 3062900300005 of the fission fragments 3062900300006 (CHSEP) Chemical separation of barium from cesium 3062900300007 DECAY-DATA (56-BA-139,82.7MIN,DG,165.) Was used for measurements 3062900300008 (55-CS-139,8.9MIN,DG) Was used for analysis 3062900300009 ADD-RES A value of 54.28 for the most probable charge for 3062900300010 mass 139 is obtained from this experiment and a cor- 3062900300011 rected (for independent yield of 139Ba) value of 0.67 3062900300012 for the fractional cumulative yield of 139Xe based on 3062900300013 the value from A.C. Wahl et al., Phys.Rev.126,1112,19623062900300014 the value of the sigma parameter describing of the 3062900300015 charge distribution obtained from experiment is 0.59 3062900300016 CORRECTION All activities were corrected for chemical yield in 3062900300017 barium precipitation 3062900300018 ENDBIB 16 0 3062900300019 NOCOMMON 0 0 3062900300020 DATA 3 1 3062900300021 MASS DATA DATA-ERR 3062900300022 NO-DIM NO-DIM NO-DIM 3062900300023 1.3900E+02 9.7700E-01 6.0000E-03 3062900300024 ENDDATA 3 0 3062900300025 ENDSUBENT 24 0 3062900399999 ENDENTRY 3 0 3062999999999