ENTRY 23157 20150512 22442315700000001 SUBENT 23157001 20150512 22442315700100001 BIB 14 81 2315700100002 TITLE Measurements of the Mass and Isotopic Yields of the 2315700100003 233U(nth,f) Reaction at the Lohengrin Spectrometer. 2315700100004 AUTHOR (F.Martin,C.Sage,G.Kessedjian,C.O.Bacri,A.Bidaud, 2315700100005 A.Billebaud,N.Capellan,S.Chabod,R.Cywinski,X.Doligez, 2315700100006 H.Faust,U.Koester,A.Letourneau,T.Materna,L.Mathieu, 2315700100007 O.Meplan,S.Panebianco,O.Serot,A.Chebboubi, 2315700100008 C.Amouroux) 2315700100009 INSTITUTE (2FR GRE) S.Chabod, O.Meplan,G.Kessedjian,C.Sage. 2315700100010 LPSC, UJF Grenoble 1, CNRS/IN2P3, INPG, Grenoble,France2315700100011 (2FR PAR) C.O.Bacri, X.Doligez. 2315700100012 IPN, CNRS/IN2P3, Univ. Paris-Sud,France 2315700100013 (2UK UK) R.Cywinski. 2315700100014 Dept. Chemical and Biological Sciences, Univ. 2315700100015 Ruddersfield, UK. 2315700100016 (2FR ILL) H.Faust,U.Koester. 2315700100017 Institut Laue-Langevin, Grenoble,France. 2315700100018 (2FR SAC) A.Letourneau,T.Materna,S.Panebianco, 2315700100019 C.Amouroux. 2315700100020 DSM/IRFU/SPhN, CEA Saclay, France 2315700100021 (2FR BOR) L.Mathieu. 2315700100022 CENBG, Universite de Bordeaux 1, France 2315700100023 (2FR CAD) O.Serot . 2315700100024 DEN/DER/SPRC/LEPh, CEA Cadarache, France 2315700100025 REFERENCE (C,2011GHENT,,(CINV21),2011) 2315700100026 #doi:10.1109/ANIMMA.2011.6172920 2315700100027 2nd International Conference on Advancements in Nuclear2315700100028 Instrumentation, Measurement Methods and their 2315700100029 Applications (ANIMMA 2011),June 6-9,2011,Ghent,Belgium 2315700100030 (J,EPJ/CS,42,01007,2013) 2315700100031 #doi:10.1051/epjconf/20134201007 2315700100032 First author G.Kessedjian. 2315700100033 Tabulated data of Subents 005,006. 2315700100034 (J,NDS,119,328,2014) Figs. only 2315700100035 #doi:10.1016/j.nds.2014.08.090 2315700100036 Fig.1- mass yields, 2315700100037 Fig.2 - prelim.data of isotopic production of mass 137 2315700100038 FACILITY (SPECM,2FR ILL) Lohengrin mass spectrometer of the 2315700100039 Institute Laue-Langevin (ILL). 2315700100040 (REAC,2FR ILL) 2315700100041 EXP-YEAR (2010) 2315700100042 INC-SOURCE (REAC) Reactor core. 2315700100043 INC-SPECT Thermal neutron flux reaching 5E+14 neutron/cm2/s. 2315700100044 METHOD (OLMS) Separation of ions according to their A/q and 2315700100045 E/q values (with A, q, E - the mass,ionic charge state,2315700100046 kinetic energy of the ions, respectively). Since 2315700100047 several nuclei can have the same A/q and E/q ratios, 2315700100048 an ionization chamber with two anodes is used to 2315700100049 further distinguish them. 2315700100050 (GSPEC) Isotopic fission yields were determined by 2315700100051 gamma spectrometry. The beta-decay of the fission 2315700100052 products occurs after their flight path in the 2315700100053 spectrometer (about 1 micros). The fission products are2315700100054 then implanted in a movable tape, the position of which2315700100055 is fixed for each single gamma measurement (about 30 2315700100056 min).Two HPGe clover detectors are placed on each side 2315700100057 of the tape to measure the gamma-decay. 2315700100058 DETECTOR (IOCH) Ionization chamber measures the fragment energy 2315700100059 loss dE, deposited in the first part of the chamber, 2315700100060 as well as the total energy E deposited in the whole 2315700100061 chamber. Ionization chamber alone is used for the mass 2315700100062 yield measurement. 2315700100063 (HPGE) Setup with two HPGe clovers - for the isotopic 2315700100064 yields determination. 2315700100065 SAMPLE Two different U3O8 targets for the mass yield 2315700100066 measurement : about one per week due to the target 2315700100067 burnup. 2315700100068 The first one was 68 microg/cm2 thick with an 233U 2315700100069 enrichment of 99.44 %, the second one 103 microg/cm2 2315700100070 thick with an 233U enrichment of 99.92 %. 2315700100071 ANALYSIS Count rate of a mass was obtained independently from 2315700100072 its energy or charge. 2315700100073 CORRECTION For burnup - the "burnup" monitoring of the 233U target2315700100074 was obtained by periodically measuring the kinetic 2315700100075 energy distribution of a given mass (136) at a fixed 2315700100076 ionic charge (21) and normalization to one at the 2315700100077 beginning of each measurement. 2315700100078 HISTORY (20120812C) M.M. 2315700100079 (20130628A) Ref. J,EPJ/CS,42,01007,2013 was added. 2315700100080 Author' name A.Chebboubi was added. 2315700100081 Subents 005-007 were added. 2315700100082 (20150512U) M.M. Ref. J,NDS,119,328,2014 was added. 2315700100083 ENDBIB 81 0 2315700100084 COMMON 1 3 2315700100085 EN-DUMMY 2315700100086 EV 2315700100087 0.0253 2315700100088 ENDCOMMON 3 0 2315700100089 ENDSUBENT 88 0 2315700199999 SUBENT 23157002 20120812 22332315700200001 BIB 3 11 2315700200002 REACTION (92-U-233(N,F)MASS,CHN,FY) 2315700200003 ANALYSIS In symmetrical region authors measured from masses 105 2315700200004 to 113 in light peak, and from 120 to 127 in the heavy 2315700200005 peak. The measurements in the light region are 2315700200006 normalized on the heavy peak ones, and thus constitute 2315700200007 independent measurements, among which the masses 112, 2315700200008 113 and 114 never measured this way. The results for 2315700200009 heavy symmetrical region are not shown in this paper 2315700200010 though, since they still need to be thoroughly analyzed2315700200011 STATUS (PRELM) Preliminary data. 2315700200012 Data are given on Fig.7,8 of C,2011GHENT,,(CINV21),20112315700200013 ENDBIB 11 0 2315700200014 NOCOMMON 0 0 2315700200015 NODATA 0 0 2315700200016 ENDSUBENT 15 0 2315700299999 SUBENT 23157003 20120812 22332315700300001 BIB 5 23 2315700300002 REACTION (92-U-233(N,F)ELEM/MASS,IND,FY) 2315700300003 ANALYSIS Only the productions of 52Te, 53I and 54Xe can be 2315700300004 estimated with our method, due to the long half-life of2315700300005 55Cs - about 30 years. Since we could measure only part2315700300006 of all the isotopes produced in the fission process, we2315700300007 chose to normalize our results to the sum of the three 2315700300008 measured isotopes.By doing the same normalization on 2315700300009 the JEFF-3.1.1 library data, we can then get an 2315700300010 independent comparison of the isotopic productions for 2315700300011 these three isotopes. 2315700300012 DECAY-DATA (52-TE-137,2.49SEC,DG,243.3,0.716) 2315700300013 E-gamma=243.3+-0.1 keV, intensity (71.6+-4.3) %. 2315700300014 (53-I-137,24.5SEC,DG,1218.0,0.1191, 2315700300015 DG,1220.07,0.0326, 2315700300016 DG,1302.64,0.0411) 2315700300017 E-gamma 1218.0+-0.1 keV, 1220.07+-0.15 keV, 2315700300018 1302.64+-0.07 keV. 2315700300019 (54-XE-137,3.818MIN,DG,455.490,0.312) 2315700300020 E-gamma=455.490+-0.003 keV. 2315700300021 Decay data from ENSDF . 2315700300022 REL-REF (A,41528003,V.M.Piksaykin+,S,ISINN-12,342,2004) 2315700300023 STATUS (PRELM) Preliminary data. 2315700300024 Data are given on Fig.11 of C,2011GHENT,,(CINV21),2011 2315700300025 ENDBIB 23 0 2315700300026 COMMON 1 3 2315700300027 MASS 2315700300028 NO-DIM 2315700300029 137. 2315700300030 ENDCOMMON 3 0 2315700300031 NODATA 0 0 2315700300032 ENDSUBENT 31 0 2315700399999 SUBENT 23157004 20120812 22332315700400001 BIB 5 29 2315700400002 REACTION (92-U-233(N,F)ELEM/MASS,IND,FY) 2315700400003 ANALYSIS The isotopic productions of 53I, 54Xe and 55Cs were 2315700400004 measured. 2315700400005 The normalization process so as to compare our results 2315700400006 to the JEFF-3.1.1 library and the Eichor+ measurement 2315700400007 is the same as in Subent 003. 2315700400008 DECAY-DATA (53-I-139,2.29SEC,DG,527.7,0.42, 2315700400009 DG,571.2,0.288, 2315700400010 DG,536.6,0.197) 2315700400011 E-gamma=527.7+-0.2 keV, intensity (42.3+-11.3) %, 2315700400012 E-gamma=571.2+-0.3 keV, intensity (28.8+-0.9) %, 2315700400013 E-gamma=536.6+-0.2 keV, intensity (19.7+-0.6) %. 2315700400014 (54-XE-139,39.68SEC,DG,218.56,0.56, 2315700400015 DG,296.53,0.217, 2315700400016 DG,174.97,0.113) 2315700400017 E-gamma=218.56+-0.03 keV, intensity 56 %, 2315700400018 E-gamma=296.53+-0.07 keV, intensity (21.7+-0.4) %, 2315700400019 E-gamma=174.97+-0.04 keV, intensity (11.3+-0.7) %. 2315700400020 (55-CS-139,9.27MIN,DG,1283.23,0.080, 2315700400021 DG,627.24,0.0171) 2315700400022 E-gamma=1283.23+-0.05 keV, intensity (8.0+-0.4) %, 2315700400023 E-gamma=627.24+-0.03 keV, intensity (1.71+-0.09) %. 2315700400024 Decay data from ENSDF . 2315700400025 REL-REF (N,13280002,M.Eichor+,J,JIN,33,1543,1971) 2315700400026 Can not be compared with the only experimental point 2315700400027 available from M.Eichor+, since this 56-BA-139 isotope 2315700400028 was not measured. 2315700400029 STATUS (PRELM) Preliminary data. 2315700400030 Data are given on Fig.12 of C,2011GHENT,,(CINV21),2011 2315700400031 ENDBIB 29 0 2315700400032 COMMON 1 3 2315700400033 MASS 2315700400034 NO-DIM 2315700400035 139. 2315700400036 ENDCOMMON 3 0 2315700400037 NODATA 0 0 2315700400038 ENDSUBENT 37 0 2315700499999 SUBENT 23157005 20130628 22352315700500001 BIB 6 19 2315700500002 REACTION 1(92-U-233(N,F)39-Y-98-M/G,IND,FY/RAT) 2315700500003 2(92-U-233(N,F)39-Y-98-L1/G,IND,FY/RAT) 2315700500004 3(92-U-233(N,F)39-Y-98-L2/G,IND,FY/RAT) 2315700500005 4(92-U-233(N,F)39-Y-98-L3/G,IND,FY/RAT) 2315700500006 Ratios of Isomeric fission yields for the 233U(n,f)98Y 2315700500007 reaction at the 92 MeV mean kinetic energy. 2315700500008 METHOD Measurement using RED ( Reverse Energy Dispersion ) 2315700500009 magnet. 2315700500010 DECAY-DATA (39-Y-98-G,0.548SEC) 0- 2315700500011 (39-Y-98-M,2.SEC) (4,5) 2315700500012 (39-Y-98-L1,0.62E-6SEC) 2- 2315700500013 (39-Y-98-L2,7.6E-6SEC) 4- 2315700500014 (39-Y-98-L3,0.83E-6SEC) 10- 2315700500015 COMMENT Of compiler. In Table 1 of J,EPJ/CS,42,01007,2013 2315700500016 for ground state 548 sec is given instead of 0.548 as 2315700500017 in NuDat and Nucl.Wallet Cards of J.Tuli. 2315700500018 STATUS (TABLE) Table 1 of J,EPJ/CS,42,01007,2013 2315700500019 (PRELM) Preliminary data. 2315700500020 HISTORY (20130628C) Subent was added. 2315700500021 ENDBIB 19 0 2315700500022 NOCOMMON 0 0 2315700500023 DATA 7 1 2315700500024 DATA 1DATA-ERR 1DATA 2DATA-ERR 2DATA 3DATA-ERR 32315700500025 DATA 4 2315700500026 NO-DIM NO-DIM NO-DIM NO-DIM NO-DIM NO-DIM 2315700500027 NO-DIM 2315700500028 0.158 0.008 0.023 0.011 0.409 0.018 2315700500029 0.014 2315700500030 ENDDATA 6 0 2315700500031 ENDSUBENT 30 0 2315700599999 SUBENT 23157006 20130628 22352315700600001 BIB 5 14 2315700600002 REACTION 1(92-U-233(N,F)39-Y-98-L1/M,IND,FY/RAT) 2315700600003 2(92-U-233(N,F)39-Y-98-L2/M,IND,FY/RAT) 2315700600004 3(92-U-233(N,F)39-Y-98-L3/M,IND,FY/RAT) 2315700600005 Ratios of Isomeric fission yields for the 233U(n,f)98Y 2315700600006 reaction at the 92 MeV mean kinetic energy. 2315700600007 METHOD Measurement using RED ( Reverse Energy Dispersion ) 2315700600008 magnet. 2315700600009 DECAY-DATA (39-Y-98-M,2.SEC) (4,5) 2315700600010 (39-Y-98-L1,0.62E-6SEC) 2- 2315700600011 (39-Y-98-L2,7.6E-6SEC) 4- 2315700600012 (39-Y-98-L3,0.83E-6SEC) 10- 2315700600013 STATUS (TABLE) Table 1 of J,EPJ/CS,42,01007,2013 2315700600014 (PRELM) Preliminary data. 2315700600015 HISTORY (20130628C) Subent was added. 2315700600016 ENDBIB 14 0 2315700600017 NOCOMMON 0 0 2315700600018 DATA 6 1 2315700600019 DATA 1DATA-ERR 1DATA 2DATA-ERR 2DATA 3DATA-ERR 32315700600020 NO-DIM NO-DIM NO-DIM NO-DIM NO-DIM NO-DIM 2315700600021 0.146 0.071 2.585 0.078 0.087 0.008 2315700600022 ENDDATA 3 0 2315700600023 ENDSUBENT 22 0 2315700699999 SUBENT 23157007 20130628 22352315700700001 BIB 6 16 2315700700002 REACTION 1(92-U-233(N,F)39-Y-98-L2/L1,IND,FY/RAT) 2315700700003 2(92-U-233(N,F)39-Y-98-L3/L1,IND,FY/RAT) 2315700700004 3(92-U-233(N,F)39-Y-98-L3/L2,IND,FY/RAT) 2315700700005 Ratios of Isomeric fission yields for the 233U(n,f)98Y 2315700700006 reaction at the 92 MeV mean kinetic energy. 2315700700007 METHOD Measurement coupling of a GAS Filled Magnet with 2315700700008 Lohengrin spectrometer. 2315700700009 DECAY-DATA (39-Y-98-L1,0.62E-6SEC) 2- 2315700700010 (39-Y-98-L2,7.6E-6SEC) 4- 2315700700011 (39-Y-98-L3,0.83E-6SEC) 10- 2315700700012 COMMENT Of compiler. In Table 1 of J,EPJ/CS,42,01007,2013 2315700700013 for ground state 548 sec is given instead of 0.548 as 2315700700014 in NuDat and Nucl.Wallet Cards of J.Tuli. 2315700700015 STATUS (TABLE) Table 1 of J,EPJ/CS,42,01007,2013 2315700700016 (PRELM) Preliminary data. 2315700700017 HISTORY (20130628C) Subent was added. 2315700700018 ENDBIB 16 0 2315700700019 NOCOMMON 0 0 2315700700020 DATA 6 1 2315700700021 DATA 1DATA-ERR 1DATA 2DATA-ERR 2DATA 3DATA-ERR 32315700700022 NO-DIM NO-DIM NO-DIM NO-DIM NO-DIM NO-DIM 2315700700023 17.8 8.6 0.60 0.29 0.034 0.001 2315700700024 ENDDATA 3 0 2315700700025 ENDSUBENT 24 0 2315700799999 ENDENTRY 7 0 2315799999999