ENTRY 30496 20081112 31313049600000001 SUBENT 30496001 20081112 31313049600100001 BIB 13 44 3049600100002 INSTITUTE (3INDTRM) 3049600100003 REFERENCE (J,PR/C,9,1506,197404) 3049600100004 (C,79JUELICH,2,311,1979) 3049600100005 (C,77PUNE,2,252,1977) 3049600100006 (P,BARC-990,12,197809) 3049600100007 (P,BARC-1005,84,1979) 3049600100008 (P,BARC-690,137,1973)Shorter paper,same data except for3049600100009 er-169 and as-77 yields. 3049600100010 (C,73BANGLO,2,21,197312)Discussion of results. 3049600100011 (P,BARC-821,187,1975) Similar to 73BANGLO,shorter. 3049600100012 (P,BARC-872,106,1976) abstr,ndg.work being continued. 3049600100013 (J,PR/C,19,1372,197904) 238U -5 new mass-yields added. 3049600100014 (C,72BOMBAY,2,53,197212)Data for nat U given.superseded3049600100015 AUTHOR (V.K.Rao,V.K.Bhargava,S.G.Marathe,S.M.Sahakundu, 3049600100016 R.H.Iyer) 3049600100017 TITLE Search for low-yield products in the neutron-induced 3049600100018 highly asymmetric fission of uranium. 3049600100019 FACILITY (REAC).APSARA. 3049600100020 INC-SOURCE Neutron flux (TH) above 232Th(n,f)thresh = 15-20% of TH3049600100021 neutron flux above 32S (n,p) thresh = 10% of TH 3049600100022 neutron flux above 54Fe(n,p) thresh =1.3% of TH 3049600100023 neutron flux above 54Fe(n,a) thresh =10E-4% of TH 3049600100024 METHOD (CHSEP) Standard radiochemical carrier techniques to 3049600100025 isolate fission products. Identification by gamma 3049600100026 spectra,purity test by beta decay curves. 3049600100027 (ACTIV) Activities of separated fission products. 3049600100028 (MOMIX) The 99Mo yield was used as internal standard. 3049600100029 DETECTOR (PROPC).With anticoincidence shielding. 3049600100030 (NAICR).For identification of fission products. 3049600100031 ANALYSIS The decay curves were analyzed by least square fit. The3049600100032 obtained activities were then corrected for chemical 3049600100033 yield, decay, counting efficiency and target volume. 3049600100034 CORRECTION The resulting isotopic yields were corrected for inde- 3049600100035 pendent yields to get the total isobaric yields. 3049600100036 ERR-ANALYS . For the very asymmetric yields,the uncertainty was 3049600100037 assumed to be 40 percent. 3049600100038 . for the higher yields,the uncertainty was assumed to 3049600100039 be 5 percent. 3049600100040 STATUS Data taken from table 1 of Phys.Rev.C,9,1506,except 3049600100041 for subentry .008. 3049600100042 HISTORY (19790629C) TL. 3049600100043 (20040311U) SD:changed to 4-dig. year and lower case 3049600100044 (20060314A) refs. corrected 3049600100045 (20081107U) On. 003 corrected 3049600100046 ENDBIB 44 0 3049600100047 NOCOMMON 0 0 3049600100048 ENDSUBENT 47 0 3049600199999 SUBENT 30496002 20050623 31173049600200001 BIB 3 4 3049600200002 REACTION (92-U-235(N,F)ELEM/MASS,CUM,FY,,SPA) 3049600200003 Low yield products. 3049600200004 SAMPLE 93.4% enriched 235U. 3049600200005 MONITOR (92-U-235(N,F)42-MO-99,CUM,FY,,SPA) 3049600200006 ENDBIB 4 0 3049600200007 COMMON 2 3 3049600200008 EN-DUMMY MONIT 3049600200009 EV PC/FIS 3049600200010 2.5300E-02 6.2000E+00 3049600200011 ENDCOMMON 3 0 3049600200012 DATA 5 6 3049600200013 ELEMENT MASS DATA DATA-ERR DATA-MAX 3049600200014 NO-DIM NO-DIM PC/FIS PC/FIS PC/FIS 3049600200015 2.8000E+01 6.6000E+01 4.6000E-09 3049600200016 2.9000E+01 6.7000E+01 1.6000E-08 3049600200017 3.0000E+01 7.2000E+01 5.8500E-06 2.3400E-06 3049600200018 6.5000E+01 1.6100E+02 1.3200E-04 5.2000E-05 3049600200019 7.0000E+01 1.7500E+02 2.4000E-08 3049600200020 7.1000E+01 1.7700E+02 1.8000E-08 3049600200021 ENDDATA 8 0 3049600200022 ENDSUBENT 21 0 3049600299999 SUBENT 30496003 20081112 31313049600300001 BIB 4 5 3049600300002 REACTION (92-U-235(N,F)ELEM/MASS,CUM,FY,,SPA) 3049600300003 High yield products. 3049600300004 SAMPLE 93.4% enriched 235U. 3049600300005 MONITOR (92-U-235(N,F)42-MO-99,CUM,FY,,SPA) 3049600300006 HISTORY (20081107U) On. SUBENT (N2) updated 3049600300007 ENDBIB 5 0 3049600300008 COMMON 2 3 3049600300009 EN-DUMMY MONIT 3049600300010 EV PC/FIS 3049600300011 2.5300E-02 6.2000E+00 3049600300012 ENDCOMMON 3 0 3049600300013 DATA 4 3 3049600300014 ELEMENT MASS DATA DATA-ERR 3049600300015 NO-DIM NO-DIM PC/FIS PC/FIS 3049600300016 3.8000E+01 8.9000E+01 4.8800E+00 2.4000E-01 3049600300017 4.7000E+01 1.1100E+02 2.0000E-02 1.0000E-03 3049600300018 5.6000E+01 1.4000E+02 6.6000E+00 3.3000E-01 3049600300019 ENDDATA 5 0 3049600300020 ENDSUBENT 19 0 3049600399999 SUBENT 30496004 20050623 31173049600400001 BIB 3 4 3049600400002 REACTION (92-U-0(N,F)ELEM/MASS,CUM,FY,,SPA) without Cd-wrap 3049600400003 low yield products. 3049600400004 SAMPLE Nuclear-pure uranyl nitrate. 3049600400005 MONITOR (92-U-0(N,F)42-MO-99,CUM,FY,,SPA) 3049600400006 ENDBIB 4 0 3049600400007 COMMON 2 3 3049600400008 EN-DUMMY MONIT 3049600400009 EV PC/FIS 3049600400010 2.5300E-02 6.2000E+00 3049600400011 ENDCOMMON 3 0 3049600400012 DATA 4 5 3049600400013 ELEMENT MASS DATA DATA-ERR 3049600400014 NO-DIM NO-DIM PC/FIS PC/FIS 3049600400015 2.8000E+01 6.6000E+01 2.0000E-07 8.3000E-08 3049600400016 2.9000E+01 6.7000E+01 1.6600E-06 6.6000E-07 3049600400017 6.8000E+01 1.7200E+02 8.8000E-07 3.5200E-07 3049600400018 7.0000E+01 1.7500E+02 6.1000E-07 2.4400E-07 3049600400019 7.1000E+01 1.7700E+02 3.7000E-07 1.4800E-07 3049600400020 ENDDATA 7 0 3049600400021 ENDSUBENT 20 0 3049600499999 SUBENT 30496005 20050623 31173049600500001 BIB 3 4 3049600500002 REACTION (92-U-0(N,F)ELEM/MASS,CUM,FY,,SPA) Without Cd-wrap 3049600500003 High yield products. 3049600500004 SAMPLE Nuclear-pure uranyl nitrate. 3049600500005 MONITOR (92-U-0(N,F)42-MO-99,CUM,FY,,SPA) 3049600500006 ENDBIB 4 0 3049600500007 COMMON 2 3 3049600500008 EN-DUMMY MONIT 3049600500009 EV PC/FIS 3049600500010 2.5300E-02 6.2000E+00 3049600500011 ENDCOMMON 3 0 3049600500012 DATA 4 3 3049600500013 ELEMENT MASS DATA DATA-ERR 3049600500014 NO-DIM NO-DIM PC/FIS PC/FIS 3049600500015 3.8000E+01 8.9000E+01 4.6600E+00 2.3000E-01 3049600500016 4.7000E+01 1.1100E+02 2.1000E-02 1.0000E-03 3049600500017 5.6000E+01 1.4000E+02 5.2000E+00 2.6000E-01 3049600500018 ENDDATA 5 0 3049600500019 ENDSUBENT 18 0 3049600599999 SUBENT 30496006 20050623 31173049600600001 BIB 4 5 3049600600002 REACTION (92-U-0(N,F)ELEM/MASS,CUM,FY,,SPA) Cd-wrap 3049600600003 low yield products. 3049600600004 INC-SPECT Reactor spectrum above Cd-cutoff energy. 3049600600005 SAMPLE Nuclear-pure uranyl nitrate wrapped in 0.3mm Cd-foil. 3049600600006 MONITOR (92-U-0(N,F)42-MO-99,CUM,FY,,SPA) 3049600600007 ENDBIB 5 0 3049600600008 COMMON 2 3 3049600600009 EN-DUMMY MONIT 3049600600010 MEV PC/FIS 3049600600011 1.0000E+00 6.2000E+00 3049600600012 ENDCOMMON 3 0 3049600600013 DATA 4 2 3049600600014 ELEMENT MASS DATA DATA-ERR 3049600600015 NO-DIM NO-DIM PC/FIS PC/FIS 3049600600016 2.9000E+01 6.7000E+01 4.2000E-06 1.6800E-06 3049600600017 7.1000E+01 1.7700E+02 1.4000E-06 5.6000E-07 3049600600018 ENDDATA 4 0 3049600600019 ENDSUBENT 18 0 3049600699999 SUBENT 30496007 20050623 31173049600700001 BIB 4 5 3049600700002 REACTION (92-U-0(N,F)ELEM/MASS,CUM,FY,,SPA) Cd-wrap 3049600700003 high yield products. 3049600700004 INC-SPECT Reactor spectrum above Cd-cutoff energy. 3049600700005 SAMPLE Nuclear-pure uranyl-nitrate wrapped in 0.3mm Cd-foil. 3049600700006 MONITOR (92-U-0(N,F)42-MO-99,CUM,FY,,SPA) 3049600700007 ENDBIB 5 0 3049600700008 COMMON 2 3 3049600700009 EN-DUMMY MONIT 3049600700010 MEV PC/FIS 3049600700011 1.0000E+00 6.2000E+00 3049600700012 ENDCOMMON 3 0 3049600700013 DATA 4 2 3049600700014 ELEMENT MASS DATA DATA-ERR 3049600700015 NO-DIM NO-DIM PC/FIS PC/FIS 3049600700016 3.8000E+01 8.9000E+01 4.4700E+00 2.2000E-01 3049600700017 4.7000E+01 1.1100E+02 3.8000E-02 2.0000E-03 3049600700018 ENDDATA 4 0 3049600700019 ENDSUBENT 18 0 3049600799999 SUBENT 30496008 20050623 31173049600800001 BIB 8 17 3049600800002 REFERENCE (J,PR/C,19,1372,197904) The measurements were extended 3049600800003 to 5 more low yield products. the data given in 3049600800004 Phys.Rev. C9,1506 are taken over. 3049600800005 REACTION (92-U-238(N,F)ELEM/MASS,CUM,FY,,SPA) Cd-wrap 3049600800006 low yield products. 3049600800007 INC-SPECT Reactor spectrum above Cd-cutoff energy. 3049600800008 SAMPLE Depleted uranium(0.217% 235U), wrapped in 0.3mm Cd- 3049600800009 foil (Phys.Rev. C9,1506) and 1mm cd (Phys.Rev C19,1372)3049600800010 MONITOR (92-U-238(N,F)42-MO-99,CUM,FY,,SPA) 3049600800011 FLAG (1.) Same data as in phys.rev. C9,1506. 3049600800012 (2.) Same data as in phys.rev. C9,1506, but uncertain- 3049600800013 ty reduced to 20pc. 3049600800014 STATUS Data taken from table 1 of Phys.Rev. C19,1372. 3049600800015 ERR-ANALYS In view of the higher activities of the products 73Ga, 3049600800016 77As,161Tb, 167Ho, the uncertainties for these yields 3049600800017 are estimated to be =20pc. The other yields are 3049600800018 assigned an uncertainty of 40pc. 3049600800019 ENDBIB 17 0 3049600800020 COMMON 2 3 3049600800021 EN-DUMMY MONIT 3049600800022 MEV PC/FIS 3049600800023 1.0000E+00 6.2000E+00 3049600800024 ENDCOMMON 3 0 3049600800025 DATA 6 15 3049600800026 ELEMENT MASS DATA DATA-ERR DATA-MAX FLAG 3049600800027 NO-DIM NO-DIM PC/FIS PC/FIS PC/FIS NO-DIM 3049600800028 2.8000E+01 6.6000E+01 4.0100E-06 1.6000E-06 1.0000E+003049600800029 2.9000E+01 6.7000E+01 2.3200E-05 9.3000E-06 1.0000E+003049600800030 3.0000E+01 7.2000E+01 6.5400E-05 2.5000E-05 1.0000E+003049600800031 3.1000E+01 7.3000E+01 2.1900E-04 4.4000E-05 3049600800032 3.3000E+01 7.7000E+01 1.5100E-03 3.0000E-04 2.0000E+003049600800033 6.5000E+01 1.6100E+02 6.4500E-04 1.2900E-04 2.0000E+003049600800034 6.7000E+01 1.6700E+02 4.0800E-05 8.0000E-06 3049600800035 6.8000E+01 1.7100E+02 5.0400E-06 2.0000E-06 3049600800036 6.8000E+01 1.7200E+02 9.4000E-06 3.7600E-06 1.0000E+003049600800037 6.9000E+01 1.7300E+02 6.1700E-06 2.5000E-06 3049600800038 7.0000E+01 1.7500E+02 8.0000E-06 3.2000E-06 1.0000E+003049600800039 7.1000E+01 1.7700E+02 6.6000E-06 2.6400E-06 1.0000E+003049600800040 7.1000E+01 1.7900E+02 2.4100E-07 3049600800041 7.3000E+01 1.8300E+02 1.1300E-08 1.0000E+003049600800042 7.9000E+01 1.9900E+02 4.6600E-09 1.0000E+003049600800043 ENDDATA 17 0 3049600800044 ENDSUBENT 43 0 3049600899999 SUBENT 30496009 20050623 31173049600900001 BIB 4 6 3049600900002 REACTION (92-U-238(N,F)ELEM/MASS,CUM,FY,,SPA) 3049600900003 high yield products. 3049600900004 INC-SPECT Reactor spectrum above Cd-cutoff energy. 3049600900005 SAMPLE Depleted uranium(0.217 pc 235U),wrapped in 0.3mm Cd- 3049600900006 foil. 3049600900007 MONITOR (92-U-238(N,F)42-MO-99,CUM,FY,,SPA) 3049600900008 ENDBIB 6 0 3049600900009 COMMON 2 3 3049600900010 EN-DUMMY MONIT 3049600900011 MEV PC/FIS 3049600900012 1.0000E+00 6.2000E+00 3049600900013 ENDCOMMON 3 0 3049600900014 DATA 4 3 3049600900015 ELEMENT MASS DATA DATA-ERR 3049600900016 NO-DIM NO-DIM PC/FIS PC/FIS 3049600900017 3.8000E+01 8.9000E+01 3.1300E+00 1.6000E-01 3049600900018 4.7000E+01 1.1100E+02 4.8500E-02 2.4000E-03 3049600900019 5.6000E+01 1.4000E+02 4.8000E+00 2.4000E-01 3049600900020 ENDDATA 5 0 3049600900021 ENDSUBENT 20 0 3049600999999 ENDENTRY 9 0 3049699999999