ENTRY 23571 20200503 22872357100000001 SUBENT 23571001 20200503 22872357100100001 BIB 14 34 2357100100002 TITLE Study on the reactor neutron induced fission of 232U 2357100100003 AUTHOR (J.Kemmer,J.I.Kim,H.-J.Born) 2357100100004 REFERENCE (J,RCA,15,113,1971) 2357100100005 INSTITUTE (2GERMUN) 2357100100006 REL-REF (M,23570001,J.Kemmer+,J,RCA,13,181,1970) 2357100100007 Details of method and samples preparation. 2357100100008 FACILITY (REAC,2GERMUN) Munich research reactor 2357100100009 INC-SOURCE (REAC) Irradiation in the core of reactor. 2357100100010 INC-SPECT Thermal neutron flux 1.4E+13 n/(cm2*sec) with 2357100100011 epithermal index 0.0245(gamma*sqrt(T/T0)). 2357100100012 Epithermal neutrons fission reaction rate ~10%. 2357100100013 SAMPLE .U-232 - 99.14 %, U-233 - 0.85% , U-234 - 0.009 %. 2357100100014 Catcher foil 0.03 mm, 8.1 mg Al/cm2. 2357100100015 Packed in quartz ampule of 0.38 cm2 x 4.5 cm. 2357100100016 .Standard - 0.8 microg U-235 on Al foil, in quartz 2357100100017 ampoules of 0.13 cm2 x 1.5 cm. 2357100100018 . U-232 and U-235 were packed in one large quartz ampul2357100100019 of 1.8 cm2 x 11 cm. 2357100100020 Irradiation time 2 - 72 hr . 2357100100021 METHOD (GSPEC) 2357100100022 DETECTOR (GELI) 15 cm3 volume, energy resolution 3.5 keV at 2357100100023 662 keV. ORTEC 118A FET preamplifier, ORTEC434A active 2357100100024 filter amplifier,scipp 4096 pulse height analyzer of 2357100100025 Victoreen Co. 2357100100026 CORRECTION For U-233 fission contribution by using the effective 2357100100027 C-S 85.8 b for U-232 and 545.6 b for U-233, which were 2357100100028 calculated by ASSUM1-ASSUm4. 2357100100029 ASSUMED (ASSUM1,92-U-232(N,F),,SIG) At thermal point 2357100100030 (ASSUM2,92-U-233(N,F),,SIG) At thermal point 2357100100031 (ASSUM3,92-U-232(N,F),,SIG) Epithermal C-S 2357100100032 (ASSUM4,92-U-233(N,F),,SIG) Epithermal C-S 2357100100033 ASSUM1- ASSUM4 were used in correction for U-233 2357100100034 contribution. 2357100100035 HISTORY (20200503C) M.M. 2357100100036 ENDBIB 34 0 2357100100037 COMMON 7 6 2357100100038 ASSUM1 ASSUM1-ERR ASSUM2 ASSUM2-ERR ASSUM3 ASSUM4 2357100100039 ASSUM4-ERR 2357100100040 B B B B B B 2357100100041 B 2357100100042 77. 10. 525. 2. 320. 746. 2357100100043 15. 2357100100044 ENDCOMMON 6 0 2357100100045 ENDSUBENT 44 0 2357100199999 SUBENT 23571002 20200503 22872357100200001 BIB 6 32 2357100200002 REACTION (92-U-232(N,F)ELEM/MASS,CUM,FY,,SPA/REL) 2357100200003 COMMENT Of authors. 2357100200004 Measurement of short-lived nuclides Kr-88(2.8hr) 2357100200005 Ba-139(83min), Sr-92(2.7hr) results to large errors, 2357100200006 they were neglected in Tables 1,2. 2357100200007 Values determined as trial and error are 2357100200008 6.48+-0.6 (Kr-88), 6.75+-0.28 (Ba-139). 2357100200009 MISC-COL (MISC) Number of measurements. 2357100200010 DECAY-DATA ((1.)36-KR-85-M,,DG,151.1) 2357100200011 ((2.)39-Y-91-M,,DG,555.7) 2357100200012 ((3.)40-ZR-95,,DG,724.5,,DG,756.6) 2357100200013 ((4.)41-NB-95,,DG,765.6) 2357100200014 ((5.)41-NB-97-M,,DG,743.3) 2357100200015 ((6.)41-NB-97,,DG,656.1) 2357100200016 ((7.)43-TC-99-M,,DG,140.5) 2357100200017 ((8.)44-RU-103,,DG,497.4) 2357100200018 ((9.)53-I-131,,DG,364.5) 2357100200019 ((10.)52-TE-132,,DG,228.2) 2357100200020 ((11.)53-I-132,,DG,772.5,,DG,667.8) 2357100200021 ((12.)53-I-133,,DG,529.9) 2357100200022 ((13.)54-XE-133,,DG,80.9) 2357100200023 ((14.)54-XE-135,,DG,249.7) 2357100200024 ((15.)55-CS-137,,DG,661.6) 2357100200025 ((16.)56-BA-140,,DG,162.8,,DG,537.) 2357100200026 ((17.)57-LA-140,,DG,328.5,,DG,466.8) 2357100200027 ((18.)58-CE-141,,DG,140.5,,DG,145.6) 2357100200028 ((19.)58-CE-143,,DG,293.1) 2357100200029 ((20.)58-CE-144,,DG,133.4) 2357100200030 ((21.)60-ND-147,,DG,91.0) 2357100200031 ERR-ANALYS (DATA-ERR) Type of error is not explained in the 2357100200032 article. 2357100200033 STATUS (TABLE) Table 1 Radiochimica Acta,v.15,p.113,1971 2357100200034 ENDBIB 32 0 2357100200035 COMMON 1 3 2357100200036 EN-DUMMY 2357100200037 EV 2357100200038 0.0253 2357100200039 ENDCOMMON 3 0 2357100200040 DATA 7 22 2357100200041 MASS ELEMENT ISOMER DATA DATA-ERR DECAY-FLAG 2357100200042 MISC 2357100200043 NO-DIM NO-DIM NO-DIM ARB-UNITS ARB-UNITS NO-DIM 2357100200044 NO-DIM 2357100200045 85. 36. 1. 2.69 0.05 1. 2357100200046 10. 2357100200047 91. 39. 1. 7.92 0.14 2. 2357100200048 15. 2357100200049 95. 40. 6.77 0.05 3. 2357100200050 34. 2357100200051 95. 41. 6.83 0.08 4. 2357100200052 19. 2357100200053 97. 40. 5.71 0.03 5. 2357100200054 20. 2357100200055 97. 41. 5.80 0.08 6. 2357100200056 12. 2357100200057 99. 42. 4.65 0.09 2357100200058 8. 2357100200059 99. 43. 1. 4.49 0.04 7. 2357100200060 26. 2357100200061 103. 44. 1.13 0.01 8. 2357100200062 29. 2357100200063 131. 53. 4.39 0.06 9. 2357100200064 28. 2357100200065 132. 52. 5.21 0.05 10. 2357100200066 30. 2357100200067 132. 53. 5.28 0.06 11. 2357100200068 34. 2357100200069 133. 53. 6.12 0.24 12. 2357100200070 12. 2357100200071 133. 54. 5.97 0.10 13. 2357100200072 14. 2357100200073 135. 54. 6.82 0.70 14. 2357100200074 18. 2357100200075 137. 55. 8.44 0.11 15. 2357100200076 10. 2357100200077 140. 56. 7.49 0.06 16. 2357100200078 40. 2357100200079 140. 57. 7.26 0.07 17. 2357100200080 33. 2357100200081 141. 58. 7.04 0.04 18. 2357100200082 23. 2357100200083 143. 58. 5.02 0.06 19. 2357100200084 20. 2357100200085 144. 58. 4.62 0.18 20. 2357100200086 4. 2357100200087 147. 60. 1.23 0.02 21. 2357100200088 18. 2357100200089 ENDDATA 48 0 2357100200090 ENDSUBENT 89 0 2357100299999 SUBENT 23571003 20200503 22872357100300001 BIB 5 7 2357100300002 REACTION (92-U-232(N,F)MASS,CHN,FY,,SPA/REL) 2357100300003 DECAY-DATA Not given in the article. 2357100300004 MONITOR (92-U-235(N,F)MASS,CHN,FY) 2357100300005 ERR-ANALYS (DATA-ERR) Type of error is not explained in the 2357100300006 article. 2357100300007 STATUS (TABLE) Table 1 Radiochimica Acta,v.15,p.113,1971 2357100300008 (DEP,23571002) Directly measured yields. 2357100300009 ENDBIB 7 0 2357100300010 COMMON 1 3 2357100300011 EN-DUMMY 2357100300012 EV 2357100300013 0.0253 2357100300014 ENDCOMMON 3 0 2357100300015 DATA 3 16 2357100300016 MASS DATA DATA-ERR 2357100300017 NO-DIM ARB-UNITS ARB-UNITS 2357100300018 85. 2.69 0.05 2357100300019 91. 7.92 0.14 2357100300020 95. 6.80 0.10 2357100300021 97. 5.76 0.09 2357100300022 99. 4.57 0.10 2357100300023 103. 1.13 0.01 2357100300024 131. 4.39 0.06 2357100300025 132. 5.25 0.08 2357100300026 133. 6.05 0.28 2357100300027 135. 6.82 0.70 2357100300028 137. 8.44 0.11 2357100300029 140. 7.38 0.09 2357100300030 141. 7.04 0.04 2357100300031 143. 5.02 0.06 2357100300032 144. 4.62 0.18 2357100300033 147. 1.23 0.02 2357100300034 ENDDATA 18 0 2357100300035 ENDSUBENT 34 0 2357100399999 SUBENT 23571004 20200503 22872357100400001 BIB 6 12 2357100400002 REACTION (92-U-232(N,F)MASS,CHN,FY,,SPA) 2357100400003 MONITOR ((MONIT1)92-U-233(N,F)MASS,CHN,FY) 2357100400004 ((MONIT2)92-U-235(N,F)MASS,CHN,FY) 2357100400005 MONIT-REF ((MONIT1),I.F.Croall,R,AERE-R-5086,1967) 2357100400006 MONIT2 from W.Seelmann-Eggebert+, Nuklid-Karte, 2357100400007 der Bundesminister fuer wissenschaftliche Forschung, 2357100400008 Bonn,1968. 2357100400009 ANALYSIS Relative yields were measure by U-235 and U-233 2357100400010 reference and normalized to 200 % . 2357100400011 ERR-ANALYS (DATA-ERR) Type of error is not explained in the 2357100400012 article. 2357100400013 STATUS (TABLE) Table 2 Radiochimica Acta,v.15,p.113,1971 2357100400014 ENDBIB 12 0 2357100400015 COMMON 1 3 2357100400016 EN-DUMMY 2357100400017 EV 2357100400018 0.0253 2357100400019 ENDCOMMON 3 0 2357100400020 DATA 5 16 2357100400021 MASS DATA DATA-ERR MONIT1 MONIT2 2357100400022 NO-DIM PC/FIS PC/FIS PC/FIS PC/FIS 2357100400023 85. 2.50 0.05 2.45 1.31 2357100400024 91. 7.38 0.14 6.45 5.97 2357100400025 95. 6.30 0.10 6.15 6.55 2357100400026 97. 5.31 0.09 5.46 6.33 2357100400027 99. 4.15 0.10 4.96 6.25 2357100400028 103. 1.02 0.02 1.60 2.90 2357100400029 131. 4.09 0.06 3.55 2.93 2357100400030 132. 4.86 0.08 4.90 4.38 2357100400031 133. 5.51 0.28 5.90 6.62 2357100400032 135. 6.33 0.70 6.0 6.45 2357100400033 137. 7.87 0.11 6.65 6.17 2357100400034 140. 6.95 0.09 6.71 6.25 2357100400035 141. 6.53 0.04 6.40 5.73 2357100400036 143. 4.59 0.06 5.90 5.71 2357100400037 144. 4.19 0.18 4.74 5.30 2357100400038 147. 1.10 0.02 1.92 2.16 2357100400039 ENDDATA 18 0 2357100400040 ENDSUBENT 39 0 2357100499999 SUBENT 23571005 20200503 22872357100500001 BIB 2 5 2357100500002 REACTION 1(92-U-232(N,F),SEC,AP,LF) 2357100500003 2(92-U-232(N,F),SEC,AP,HF) 2357100500004 STATUS (TABLE) Text page 116 of 2357100500005 Radiochimica Acta,v.15,p.113,1971 2357100500006 (DEP,23571004) Mass distribution 2357100500007 ENDBIB 5 0 2357100500008 COMMON 1 3 2357100500009 EN-DUMMY 2357100500010 EV 2357100500011 0.0253 2357100500012 ENDCOMMON 3 0 2357100500013 DATA 2 1 2357100500014 DATA 1DATA 2 2357100500015 NO-DIM NO-DIM 2357100500016 93.0 137.3 2357100500017 ENDDATA 3 0 2357100500018 ENDSUBENT 17 0 2357100599999 SUBENT 23571006 20200503 22872357100600001 BIB 3 6 2357100600002 REACTION (92-U-232(N,F),PR,NU,,,DERIV) 2357100600003 ANALYSIS Average number of emitted neutrons was determined from2357100600004 peak positions of mass distribution. 2357100600005 STATUS (TABLE) Text page 116 of 2357100600006 Radiochimica Acta,v.15,p.113,1971 2357100600007 (DEP,23571005) Mean light and mean heavy mass 2357100600008 ENDBIB 6 0 2357100600009 COMMON 1 3 2357100600010 EN-DUMMY 2357100600011 EV 2357100600012 0.0253 2357100600013 ENDCOMMON 3 0 2357100600014 DATA 1 1 2357100600015 DATA 2357100600016 PRT/FIS 2357100600017 2.6 2357100600018 ENDDATA 3 0 2357100600019 ENDSUBENT 18 0 2357100699999 ENDENTRY 6 0 2357199999999