ENTRY 21464 20211224 23062146400000001 SUBENT 21464001 20211224 23062146400100001 BIB 14 47 2146400100002 TITLE Some yields in the thermal and epi-cadmium 2146400100003 neutron fission of Pu-239 2146400100004 AUTHOR (I.F.Croall,H.H.Willis) 2146400100005 REFERENCE (C,65SALZBURG,1,355,1965) Paper Sm-60/27 2146400100006 (R,AERE-R-4723,1964) Croall+, identical to main ref. 2146400100007 (J,JIN,25,1213,1963) 2146400100008 (R,AERE-R-4148,1962) 2146400100009 (R,AERE-R-3879,1961) 2146400100010 (J,JIN,16,358,1961) 2146400100011 (R,AERE-R-3209,1960) 2146400100012 INSTITUTE (2UK HAR) 2146400100013 FACILITY (REAC,2UK HAR) Graphite moderated reactor BEPO. 2146400100014 INC-SOURCE (REAC) 2146400100015 METHOD (CHSEP) 2146400100016 (RVAL) A quantity ((Y1/Y2)/(Y3/Y4)) is measured, Y2 2146400100017 and Y4 are Mo-99 yields, Y1 and Y2 are Pu-239 yields 2146400100018 (thermal or epi-cadmium, see reaction string) and 2146400100019 Y3 and Y4 are U-235 or Pu-239 thermal yields (see 2146400100020 monitor-reaction strings) 2146400100021 DETECTOR (PROPC) End-window gas-flow proportional counter 2146400100022 using C-H(4)-gas. 2146400100023 PART-DET (DG) Decay-gammas. 2146400100024 SAMPLE Pu-oxide wrapped in 0.01 in. thick Al foil, sealed 2146400100025 in silica ampoules. For the epi-cadmium measurements 2146400100026 the Al+Pu was put into a cadmium box of 1 mm 2146400100027 average wall thickness, and than sealed in silica 2146400100028 ampoules. 2146400100029 No information about U-235 samples. 2146400100030 CORRECTION Selfabsorption and backscattering in counting 2146400100031 samples, growth and decay after irradiation, 2146400100032 chemical yield in the separation. 2146400100033 ERR-ANALYS A minimum of 3 separate determinations of each of 2146400100034 the parameters involved in any given r-value were 2146400100035 made (the r-value is a quantity of the form Y1*Y4/ 2146400100036 Y2*Y4, see method). The errors given are overall 2146400100037 standard deviations, i.e. They include possible 2146400100038 errors in half-lifes, and self-absorption and 2146400100039 backscattering corrections wherever possible. 2146400100040 Errors are only given for the R-values. 2146400100041 COMMENT All MONIT2 and MONIT3 values were taken from 2146400100042 literature. 2146400100043 HISTORY (19800312T) G.C. 2146400100044 (19890907A) Cum not ind yields in subents 2 to 5 2146400100045 (19900823A) S.W. N-source replaced, refs corrected, 2146400100046 monitor and inc-spect amended in subents 2 to 4. 2146400100047 (20211224U) SD:Updated to new date formats,lower case. 2146400100048 Corrections in all Subents. 2146400100049 ENDBIB 47 0 2146400100050 NOCOMMON 0 0 2146400100051 ENDSUBENT 50 0 2146400199999 SUBENT 21464002 20211224 23062146400200001 BIB 7 16 2146400200002 REACTION (94-PU-239(N,F)ELEM/MASS,CUM,FY,,SPA) Y1-quantity. 2146400200003 MONITOR ((MONIT1)94-PU-239(N,F)ELEM/MASS,CUM,FY,,MXW) Y3-quant.2146400200004 ((MONIT2)94-PU-239(N,F)42-MO-99,CUM,FY,,SPA) Y2-quant. 2146400200005 ((MONIT3)94-PU-239(N,F)42-MO-99,CUM,FY,,MXW) Y4-quant. 2146400200006 MONIT-REF ((MONIT2),J.G.Guninghame+,R,AERE-R-4727,1964) 2146400200007 ((MONIT3),J.G.Guninghame+,R,AERE-R-4727,1964) 2146400200008 INC-SPECT Thermal reactor Maxwellian after passage through 1 mm 2146400200009 of cadmium metal - reaction and monit2 2146400200010 Thermal reactor spectrum for MONIT1 and MONIT3. 2146400200011 FLAG (1.) MONIT1 data taken from literature. 2146400200012 (2.) MONIT1 data taken from own measurement since no 2146400200013 values were found in literature. 2146400200014 STATUS (TABLE) Tbl.III from 65SALZBURG,1,355,1965 2146400200015 HISTORY (19890907A) Cum not ind yields 2146400200016 (19900823A) S.W. Monitor and inc-spect amended. 2146400200017 (20211224U) SD: BIB updated. 2146400200018 ENDBIB 16 0 2146400200019 COMMON 4 3 2146400200020 EN-DUMMY EN-NRM MONIT2 MONIT3 2146400200021 EV EV PC/FIS PC/FIS 2146400200022 1.0 2.53E-02 5.86 5.86 2146400200023 ENDCOMMON 3 0 2146400200024 DATA 5 7 2146400200025 ELEMENT MASS DATA MONIT1 FLAG 2146400200026 NO-DIM NO-DIM PC/FIS PC/FIS NO-DIM 2146400200027 38. 89. 1.75 1.71 1. 2146400200028 40. 95. 5.08 5. 1. 2146400200029 40. 97. 5.51 5.25 1. 2146400200030 47. 111. 0.214 0.23 1. 2146400200031 47. 113. 0.047 0.065 2. 2146400200032 58. 141. 4.72 4.54 1. 2146400200033 58. 143. 4.53 4.48 1. 2146400200034 ENDDATA 9 0 2146400200035 ENDSUBENT 34 0 2146400299999 SUBENT 21464003 20211224 23062146400300001 BIB 7 13 2146400300002 REACTION (94-PU-239(N,F)ELEM/MASS,CUM,FY,,MXW) Y1-quantity. 2146400300003 MONITOR ((MONIT1)92-U-235(N,F)ELEM/MASS,CUM,FY,,MXW) Y3-quant. 2146400300004 ((MONIT2)94-PU-239(N,F)42-MO-99,CUM,FY,,MXW) Y2-quant. 2146400300005 ((MONIT3)92-U-235(N,F)42-MO-99,CUM,FY,,MXW) Y4-quant. 2146400300006 MONIT-REF ((MONIT1),S.Katcoff,J,NUC,18,201,1960) 2146400300007 ((MONIT2),J.G.Guninghame+,R,AERE-R-4727,1964) 2146400300008 ((MONIT3),J.G.Guninghame+,R,AERE-R-4727,1964) 2146400300009 INC-SPECT Thermal reactor spectrum. 2146400300010 COMMENT All the MONIT1 values were taken from literature. 2146400300011 STATUS (TABLE) Tbl.III from 65SALZBURG,1,355,1965 2146400300012 HISTORY (19890907A) Cum not ind yields 2146400300013 (19900823A) S.W. Monitor and inc-spect amended. 2146400300014 (20211224U) SD: BIB updated. 2146400300015 ENDBIB 13 0 2146400300016 COMMON 3 3 2146400300017 EN-DUMMY MONIT2 MONIT3 2146400300018 EV PC/FIS PC/FIS 2146400300019 2.53E-02 5.86 6.06 2146400300020 ENDCOMMON 3 0 2146400300021 DATA 4 3 2146400300022 ELEMENT MASS DATA MONIT1 2146400300023 NO-DIM NO-DIM PC/FIS PC/FIS 2146400300024 33. 77. 0.0072 0.0083 2146400300025 33. 78. 0.026 0.02 2146400300026 35. 83. 0.29 0.51 2146400300027 ENDDATA 5 0 2146400300028 ENDSUBENT 27 0 2146400399999 SUBENT 21464004 20211224 23062146400400001 BIB 7 15 2146400400002 REACTION (94-PU-239(N,F)ELEM/MASS,CUM,FY,,SPA) Y1-quantity. 2146400400003 MONITOR ((MONIT1)92-U-235(N,F)ELEM/MASS,CUM,FY,,MXW) Y3-quant. 2146400400004 ((MONIT2)94-PU-239(N,F)42-MO-99,CUM,FY,,SPA) Y2-quant. 2146400400005 ((MONIT3)92-U-235(N,F)42-MO-99,CUM,FY,,MXW) Y4-quant. 2146400400006 MONIT-REF ((MONIT1),S.Katcoff,J,NUC,18,201,1960) 2146400400007 ((MONIT2),J.G.Guninghame+,R,AERE-R-4727,1964) 2146400400008 ((MONIT3),J.G.Guninghame+,R,AERE-R-4727,1964) 2146400400009 INC-SPECT Thermal reactor maxwellian after passage through 1 mm 2146400400010 of cadmium metal - reaction and MONIT2 2146400400011 Thermal reactor spectrum for MONIT1 and MONIT3. 2146400400012 COMMENT All the monit1 values were taken from literature. 2146400400013 STATUS (TABLE) Tbl.III from 65SALZBURG,1,355,1965 2146400400014 HISTORY (19890907A) Cum not ind yields 2146400400015 (19900823A) S.W. Monitor and inc-spect amended. 2146400400016 (20211224U) SD: BIB updated. 2146400400017 ENDBIB 15 0 2146400400018 COMMON 4 3 2146400400019 EN-DUMMY EN-NRM MONIT2 MONIT3 2146400400020 EV EV PC/FIS PC/FIS 2146400400021 1.0 2.53E-02 5.86 6.06 2146400400022 ENDCOMMON 3 0 2146400400023 DATA 4 3 2146400400024 ELEMENT MASS DATA MONIT1 2146400400025 NO-DIM NO-DIM PC/FIS PC/FIS 2146400400026 33. 77. 0.013 0.0073 2146400400027 33. 78. 0.035 0.025 2146400400028 35. 83. 0.31 0.3 2146400400029 ENDDATA 5 0 2146400400030 ENDSUBENT 29 0 2146400499999 SUBENT 21464005 20211224 23062146400500001 BIB 6 10 2146400500002 REACTION (94-PU-239(N,F)47-AG-113,CUM,FY,,MXW) 2146400500003 Y1-quantity. 2146400500004 MONITOR (94-PU-239(N,F)47-AG-111,CUM,FY,,MXW) 2146400500005 Y3-quantity. 2146400500006 COMMENT Y2=Y4 here. The known Aglll yield of 0.23% used 2146400500007 as a reference. 2146400500008 INC-SPECT Thermal reactor Maxwellian neutron spectrum. 2146400500009 STATUS (TABLE) Tbl.III from 65SALZBURG,1,355,1965 2146400500010 HISTORY (19890907A) Cum not ind yields 2146400500011 (20211224U) SD: BIB updated. 2146400500012 ENDBIB 10 0 2146400500013 NOCOMMON 0 0 2146400500014 DATA 3 1 2146400500015 EN-DUMMY DATA MONIT 2146400500016 EV PC/FIS PC/FIS 2146400500017 2.53E-02 0.065 0.23 2146400500018 ENDDATA 3 0 2146400500019 ENDSUBENT 18 0 2146400599999 ENDENTRY 5 0 2146499999999