ENTRY 23793 20210326 22992379300000001 SUBENT 23793001 20210326 22992379300100001 BIB 11 25 2379300100002 TITLE Yields from the thermal neutron induced fission of 2379300100003 241Pu 2379300100004 AUTHOR (I.F.Croall, H.H.Willis) 2379300100005 REFERENCE (R,AERE-R-6154,1969) 2379300100006 INSTITUTE (2UK HAR) 2379300100007 FACILITY (REAC,2UK HAR) Graphite moderated reactor BEPO, 2379300100008 pneumatic tube assembly. 2379300100009 INC-SOURCE (REAC) Thermal neutrons. 2379300100010 INC-SPECT Cd ratio at the irradiation position ~ 2.3. 2379300100011 SAMPLE (94-PU-241,ENR=0.95) 2379300100012 Composition: Pu-239 - 1.5%, Pu-239 - 3.%, 2379300100013 Pu-241 - 95.%, Pu-242 - 0.5%. 2379300100014 Mounted on Pt foils, ~ 1 mg/cm2 spread over an area 2379300100015 1 cm2. Two samples of Pu-241. 2379300100016 . Four similar samples of Pu-239 as monitors. 2379300100017 . Pair of samples (Pu-241 and Pu-239) were irradiated 2379300100018 together. 2379300100019 METHOD Al foil of 0.012 cm thickness as FF catcher foil, 2379300100020 distance sample - catcher-foil - 0.5 cm. 2379300100021 Irradiation time from a few minutes to two hours. 2379300100022 Blank irradiation of the catcher foils. 2379300100023 (CHSEP) Radiochemical separation. 2379300100024 DETECTOR (PROPC) 2PI end-window methane flow proportional 2379300100025 counters. 2379300100026 HISTORY (20210326C) M.M. 2379300100027 ENDBIB 25 0 2379300100028 COMMON 1 3 2379300100029 EN-DUMMY 2379300100030 EV 2379300100031 0.0253 2379300100032 ENDCOMMON 3 0 2379300100033 ENDSUBENT 32 0 2379300199999 SUBENT 23793002 20210326 22992379300200001 BIB 8 30 2379300200002 REACTION (94-PU-241(N,F)ELEM/MASS,CUM,FY,,SPA) 2379300200003 MONITOR ((MONIT1)94-PU-239(N,F)ELEM/MASS,CUM,FY,,SPA) 2379300200004 ((MONIT2)94-PU-241(N,F)55-CS-137,CUM,FY,,SPA) 2379300200005 ((MONIT3)94-PU-239(N,F)55-CS-137,CUM,FY,,SPA) 2379300200006 MONIT-REF ((MONIT1),I.F.Croall,R,AERE-R-5086,1967) 2379300200007 ((MONIT1),M.E.Meek+,R,APED-5398-A,1968) 2379300200008 ((MONIT2)13070001,H.Farrar+,J,CJP,42,2063,1964) 2379300200009 DECAY-MON (55-CS-137,30.YR) For MONIT2, MONIT3 2379300200010 DECAY-DATA ((1.)33-AS-77,38.7HR) 2379300200011 ((2.)33-AS-78,90.MIN) 2379300200012 ((3.)35-BR-83,2.4HR) 2379300200013 ((4.)35-BR-84-G,31.8MIN) 2379300200014 ((5.)40-ZR-95,65.5D) 2379300200015 ((6.)40-ZR-97,17.0HR) 2379300200016 ((7.)42-MO-99,66.7HR) 2379300200017 ((8.)47-AG-111-G,7.5D) 2379300200018 ((9.)47-AG-113-G,5.3HR) Misprint As -> Ag 2379300200019 ((10.)55-CS-138-G,32.1MIN) 2379300200020 ((11.)58-CE-141,33.0D) 2379300200021 ((12.)58-CE-143,33.0HR) 2379300200022 REL-REF (R,,C.M.Lederer+,B,LEDERER-6,,,1967) Half-lives. 2379300200023 (N,13070001,H.Farrar+,J,CJP,42,2063,1964) 2379300200024 (N,13257001,B.F.Rider+,R,GEAP-5505,1967) 2379300200025 (N,13076001,A.Okazaki+,J,CJP,43,1036,1965) 2379300200026 (N,13270001,F.L.Lisman+,R,IN-1277,1969) (TID-450) 2379300200027 4 references for data used for comparison . 2379300200028 ERR-ANALYS (DATA-ERR) Overall errors derived from several runs, 2379300200029 do not include errors in half-lives or in the Pu-239 2379300200030 reference yields. 2379300200031 STATUS (TABLE) Table 1 of rep. AERE-R-6154,1969 2379300200032 ENDBIB 30 0 2379300200033 COMMON 2 3 2379300200034 MONIT2 MONIT3 2379300200035 PC/FIS PC/FIS 2379300200036 6.62 6.60 2379300200037 ENDCOMMON 3 0 2379300200038 DATA 6 12 2379300200039 ELEMENT MASS DATA DATA-ERR DECAY-FLAG MONIT1 2379300200040 NO-DIM NO-DIM PC/FIS PC/FIS NO-DIM PC/FIS 2379300200041 33. 77. 4.5 E-4 0.3 E-4 1. 7.3 E-32379300200042 33. 78. 8.2 E-3 0.5 E-3 2. 0.025 2379300200043 35. 83. 0.21 0.01 3. 0.30 2379300200044 35. 84. 0.341 0.013 4. 0.47 2379300200045 40. 95. 4.17 0.16 5. 5.2 2379300200046 40. 97. 4.69 0.20 6. 5.61 2379300200047 42. 99. 6.00 0.24 7. 5.9 2379300200048 47. 111. 0.52 0.04 8. 0.27 2379300200049 47. 113. 0.142 0.008 9. 0.070 2379300200050 55. 138. 6.75 0.22 10. 5.90 2379300200051 58. 141. 5.11 0.19 11. 5.75 2379300200052 58. 143. 4.65 0.21 12. 4.52 2379300200053 ENDDATA 14 0 2379300200054 ENDSUBENT 53 0 2379300299999 SUBENT 23793003 20210326 22992379300300001 BIB 8 14 2379300300002 REACTION (94-PU-241(N,F)41-NB-96,IND,FY,,SPA) 2379300300003 MONITOR ((MONIT1)94-PU-239(N,F)41-NB-96,IND,FY,,SPA) 2379300300004 ((MONIT2)94-PU-241(N,F)55-CS-137,CUM,FY,,SPA) 2379300300005 ((MONIT3)94-PU-239(N,F)55-CS-137,CUM,FY,,SPA) 2379300300006 MONIT-REF ((MONIT1),I.F.Croall,R,AERE-R-5086,1967) 2379300300007 ((MONIT1),M.E.Meek+,R,APED-5398-A,1968) 2379300300008 ((MONIT2),H.Farrar+,J,CJP,42,2063,1964) 2379300300009 DECAY-MON (55-CS-137,30.YR) For MONIT2, MONIT3 2379300300010 DECAY-DATA ((1.)41-NB-96,23.5HR) 2379300300011 REL-REF (R,,C.M.Lederer+,B,LEDERER-6,,,1967) Half-lives. 2379300300012 ERR-ANALYS (DATA-ERR) Overall errors derived from several runs, 2379300300013 do not include errors in half-lives or in the Pu-239 2379300300014 reference yields. 2379300300015 STATUS (TABLE) Table 1 of rep. AERE-R-6154,1969 2379300300016 ENDBIB 14 0 2379300300017 COMMON 2 3 2379300300018 MONIT2 MONIT3 2379300300019 PC/FIS PC/FIS 2379300300020 6.62 6.60 2379300300021 ENDCOMMON 3 0 2379300300022 DATA 4 1 2379300300023 DATA DATA-ERR DECAY-FLAG MONIT1 2379300300024 PC/FIS PC/FIS NO-DIM PC/FIS 2379300300025 2.4 E-3 0.2 E-3 1. 7.0 E-4 2379300300026 ENDDATA 3 0 2379300300027 ENDSUBENT 26 0 2379300399999 ENDENTRY 3 0 2379399999999