ENTRY 30912 20100826 31463091200000001 SUBENT 30912001 20100826 31463091200100001 BIB 14 28 3091200100002 TITLE Independent Fission Yields of Short-Lived Br and I 3091200100003 Isotopes in Thermal Neutron Fission of 235U 3091200100004 AUTHOR (G.Engler,M.S.Rapaport) 3091200100005 INSTITUTE (3ISLSOR) 3091200100006 REFERENCE (J,ZP/A,314,59,1983) 3091200100007 REL-REF (I,,M.Shmid+,J,NIM,186,349,1981) source system 3091200100008 described. 3091200100009 SAMPLE Nothing said about target 3091200100010 FACILITY (REAC,3ISLSOR) 3091200100011 METHOD (OLMS) The fission yield measurements were performed 3091200100012 with a negative surface ionization integrated 3091200100013 target-ion source. This source selectively ionizes 3091200100014 only Br and I isotopes, while the ionization 3091200100015 efficiency for the potential contaminants Se and Te 3091200100016 is two orders of magnitude lower. Only Se and Te are 3091200100017 considered since they are nuclei with relatively high 3091200100018 electron affinities i.e. 1.97eV and 2.02 eV, 3091200100019 respectively. Whereas other potential contaminants 3091200100020 i.e. As. Rb, Sb or Cs, have electron affinities of 3091200100021 < 1.0 eV. 3091200100022 (BSPEC).Beta activity scans at collector over desired 3091200100023 mass region. 3091200100024 MONIT-REF (,B.F.Rider,R,NEDO-12154-3(C),198110) 3091200100025 ANALYSIS (DECAY). From resolved beta-decay curves. 3091200100026 DETECTOR (SIBAR) 300 mu-m Si surface barrier detector 3091200100027 ERR-ANALYS (DATA-ERR) No information. 3091200100028 STATUS (TABLE) data from tbl.1 of ZP/A,314,59,1983 3091200100029 HISTORY (20100820C) SD 3091200100030 ENDBIB 28 0 3091200100031 COMMON 1 3 3091200100032 EN-DUMMY 3091200100033 EV 3091200100034 0.0253 3091200100035 ENDCOMMON 3 0 3091200100036 ENDSUBENT 35 0 3091200199999 SUBENT 30912002 20100826 31463091200200001 BIB 2 2 3091200200002 REACTION (92-U-235(N,F)ELEM/MASS,IND,FY) 3091200200003 MONITOR (92-U-235(N,F)35-BR-88,IND,FY) 3091200200004 ENDBIB 2 0 3091200200005 COMMON 3 3 3091200200006 ELEMENT MASS-NRM MONIT 3091200200007 NO-DIM NO-DIM PC/FIS 3091200200008 35. 88. 1.56 3091200200009 ENDCOMMON 3 0 3091200200010 DATA 3 4 3091200200011 MASS DATA DATA-ERR 3091200200012 NO-DIM PC/FIS PC/FIS 3091200200013 88. 1.56 0.31 3091200200014 89. 1.23 0.25 3091200200015 90. 0.66 0.08 3091200200016 91. 0.19 0.06 3091200200017 ENDDATA 6 0 3091200200018 ENDSUBENT 17 0 3091200299999 SUBENT 30912003 20100826 31463091200300001 BIB 2 2 3091200300002 REACTION (92-U-235(N,F)ELEM/MASS,IND,FY) 3091200300003 MONITOR (92-U-235(N,F)53-I-138,IND,FY) 3091200300004 ENDBIB 2 0 3091200300005 COMMON 4 3 3091200300006 ELEMENT MASS-NRM MONIT MONIT-ERR 3091200300007 NO-DIM NO-DIM PC/FIS PC/FIS 3091200300008 53. 138. 1.51 0.20 3091200300009 ENDCOMMON 3 0 3091200300010 DATA 3 4 3091200300011 MASS DATA DATA-ERR 3091200300012 NO-DIM PC/FIS PC/FIS 3091200300013 138. 1.51 0.20 3091200300014 139. 0.56 0.06 3091200300015 140. 0.16 0.05 3091200300016 141. 0.046 0.013 3091200300017 ENDDATA 6 0 3091200300018 ENDSUBENT 17 0 3091200399999 ENDENTRY 3 0 3091299999999