ENTRY 21218 20201224 22962121800000001 SUBENT 21218001 20201224 22962121800100001 BIB 17 52 2121800100002 TITLE Independent yields of 96Nb and 51 min 98Nb in 2121800100003 the thermal neutron-induced fission of 233U, 235U 2121800100004 and 239Pu 2121800100005 AUTHOR (T.Kaiser,H.R.Von Gunten) 2121800100006 REFERENCE (J,JIN,40,377,1978) 2121800100007 (P,INDC(SWT)-11,10(1),1977) short descript. prelim.data2121800100008 INSTITUTE (2SWTWUR) Experimental site and H.R.Von Gunten. 2121800100009 (2SWTUBE) T.Kaiser. 2121800100010 FACILITY (REAC,2SWTWUR) The heavy water reactor DIORIT. 2121800100011 (BETAT,2SWTUBE) The betatron at Bern, used in a 2121800100012 separate experiment to correct the Nb-98 data, see 2121800100013 under correction. 2121800100014 INC-SOURCE (THCOL) The graphite reflector of the reactor. 2121800100015 INC-SPECT Thermal neutron flux 7 x 10**12 neutron/cm2/sec 2121800100016 SAMPLE Solutions containing 5 - 10 ug of uranium or 2121800100017 plutonium were evaporated to dryness either on 2121800100018 NH4NO3 powder or on Be-foils. 2121800100019 20 g of natural uranium oxide were used in the 2121800100020 experiment to correct the Nb-98 data. 2121800100021 METHOD (CHSEP) Chemical separation after irradiation. 2121800100022 DETECTOR (GELI) A calibrated Ge(Li)-detector. 2121800100023 DECAY-DATA ((1.)41-NB-96,23.5HR,DG,460.,0.291,DG,568.,0.575,DG, 2121800100024 778.,1.00,DG,849.,0.214,DG,1091.,0.51,DG,1200.,0.207) 2121800100025 (41-NB-97-G,74.MIN,DG,658.,1.00) 2121800100026 ((2.)41-NB-98-M,51.MIN,DG,722.,0.77,DG,787.,0.95) 2121800100027 CORRECTION The beta-feeding of Nb-98 by Zr-98 was corrected 2121800100028 (the correction factor was determined in 2121800100029 three experiments in the photo-fission of U-238 2121800100030 using Bremsstrahlung from the betatron). 2121800100031 ADD-RES Values of the measured independent yield divided by 2121800100032 the chain yield in the literature (see REL-REF) are 2121800100033 presented. 2121800100034 REL-REF (N,,M.E.Meek+,R,NEDO-12154-1,1974) 2121800100035 Chain yields used for ratio calculation (see ADD-RES).2121800100036 ERR-ANALYS (DATA-ERR) Total error including uncertainties in 2121800100037 -the measurement ( one sigma ), 2121800100038 -the calibration of the detector, 2121800100039 -the decay corrections, 2121800100040 -the growth corrections, 2121800100041 -the decay schemes, 2121800100042 -the half-lifes, 2121800100043 -the chain-yields. 2121800100044 Systematic errors are small as the independent yields 2121800100045 are measured relative to the yield of Nb-97. 2121800100046 STATUS (TABLE) Tbls 1,2 from J.Inorg.Nucl.Chem.,40(1978)377 2121800100047 HISTORY (19791219C) CN. 2121800100048 (19801120A) G.C., Error analysis changed, monitor 2121800100049 strings corrected. 2121800100050 (19820115A) 2121800100051 (20201224A) SD:Updated to new date formats,lower case. 2121800100052 Ref. added. ERR-T -> DATA-ERR. Subents 003, 005, 007 2121800100053 deleted (not measured, information moved to ADD-RES). 2121800100054 ENDBIB 52 0 2121800100055 COMMON 2 3 2121800100056 EN-DUMMY ELEMENT 2121800100057 EV NO-DIM 2121800100058 2.53E-02 41. 2121800100059 ENDCOMMON 3 0 2121800100060 ENDSUBENT 59 0 2121800199999 SUBENT 21218002 20201224 22962121800200001 BIB 4 7 2121800200002 REACTION (92-U-233(N,F)ELEM/MASS,IND,FY,,MXW) 2121800200003 MONITOR (92-U-233(N,F)41-NB-97,IND,FY,,MXW) 2121800200004 MONIT-REF (,M.E.Meek+,R,NEDO-12154-1,1974) 2121800200005 HISTORY (19820115A) One value in col. DATA-ERR corrected. 2121800200006 (20201224U) SD: STATUS moved to Subent 001. MONIT-REF 2121800200007 added. ERR-T->DATA-ERR. Col.ELEMENT moved to Subent 0012121800200008 For Nb-98 add ISOMER = 1 was added. 2121800200009 ENDBIB 7 0 2121800200010 NOCOMMON 0 0 2121800200011 DATA 5 2 2121800200012 MASS ISOMER DATA DATA-ERR DECAY-FLAG 2121800200013 NO-DIM NO-DIM PC/FIS PC/FIS NO-DIM 2121800200014 96. 5.30E-03 3.00E-04 1. 2121800200015 98. 1. 1.30E-01 3.00E-02 2. 2121800200016 ENDDATA 4 0 2121800200017 ENDSUBENT 16 0 2121800299999 NOSUBENT 21218003 20201224 22962121800300001 SUBENT 21218004 20201224 22962121800400001 BIB 5 8 2121800400002 REACTION (92-U-235(N,F)ELEM/MASS,IND,FY,,MXW) 2121800400003 MONITOR (92-U-235(N,F)41-NB-97,IND,FY,,MXW) 2121800400004 MONIT-REF (,M.E.Meek+,R,NEDO-12154-1,1974) 2121800400005 STATUS (TABLE) Tbls 1,2 from J.Inorg.Nucl.Chem.,40(1978)377 2121800400006 HISTORY (19801120A) G.C., Monitor reaction string corrected. 2121800400007 (20201224U) SD: STATUS moved to Subent 001. MONIT-REF 2121800400008 added. ERR-T->DATA-ERR. Col.ELEMENT moved to Subent 0012121800400009 For Nb-98 add ISOMER = 1 was added. 2121800400010 ENDBIB 8 0 2121800400011 NOCOMMON 0 0 2121800400012 DATA 5 2 2121800400013 MASS ISOMER DATA DATA-ERR DECAY-FLAG 2121800400014 NO-DIM NO-DIM PC/FIS PC/FIS NO-DIM 2121800400015 96. 5.20E-04 2.00E-05 1. 2121800400016 98. 1. 3.40E-02 1.50E-02 2. 2121800400017 ENDDATA 4 0 2121800400018 ENDSUBENT 17 0 2121800499999 NOSUBENT 21218005 20201224 22962121800500001 SUBENT 21218006 20201224 22962121800600001 BIB 5 8 2121800600002 REACTION (94-PU-239(N,F)ELEM/MASS,IND,FY,,MXW) 2121800600003 MONITOR (94-PU-239(N,F)41-NB-97,IND,FY,,MXW) 2121800600004 MONIT-REF (,M.E.Meek+,R,NEDO-12154-1,1974) 2121800600005 STATUS (TABLE) Tbls 1,2 from J.Inorg.Nucl.Chem.,40(1978)377 2121800600006 HISTORY (19801120A) G.C., Monitor reaction string corrected. 2121800600007 (20201224U) SD: STATUS moved to Subent 001. MONIT-REF 2121800600008 added. ERR-T->DATA-ERR. Col.ELEMENT moved to Subent 0012121800600009 For Nb-98 add ISOMER = 1 was added. 2121800600010 ENDBIB 8 0 2121800600011 NOCOMMON 0 0 2121800600012 DATA 5 2 2121800600013 MASS ISOMER DATA DATA-ERR DECAY-FLAG 2121800600014 NO-DIM NO-DIM PC/FIS PC/FIS NO-DIM 2121800600015 96. 3.60E-03 1.00E-04 1. 2121800600016 98. 1. 1.60E-01 3.00E-02 2. 2121800600017 ENDDATA 4 0 2121800600018 ENDSUBENT 17 0 2121800699999 NOSUBENT 21218007 20201224 22962121800700001 ENDENTRY 7 0 2121899999999