ENTRY 21410 20170127 22572141000000001 SUBENT 21410001 20170127 22572141000100001 BIB 14 54 2141000100002 INSTITUTE (2UK HAR) 2141000100003 REFERENCE (R,AERE-R-5874,1,1968) Re-assessment of JIN,28,2467 2141000100004 (J,JIN,28,2467,1966) data superseded. 2141000100005 (R,AERE-R-5166,1966) Same as JIN,28,2467. 2141000100006 AUTHOR (M.J.Cabell) 2141000100007 TITLE A Re-assessment of Harwell mass spectrometric 2141000100008 measurements of the cross sections of Pu-239, 2141000100009 Pu-240 and Pu-241 for Maxwellian neutrons 2141000100010 FACILITY (SPECM,2UK HAR) Mass spectrometer. 2141000100011 (REAC,2UK HAR) DIDO reactor. 2141000100012 INC-SOURCE (REAC) Irradiation carried out in the no4 hobson- 2141000100013 honeycomb unit, at the end nearest the core. 2141000100014 The irradiation can was separated from the nearest 2141000100015 fuel rod by 15 cm aluminium alloy and 62 cm heavy 2141000100016 water. Irradiation for 295.6 +- 0.1 days. 2141000100017 INC-SPECT The neutron spectrum was Maxwellian with a 2141000100018 temperature of 116 degrees and an epithermal component2141000100019 of 7.5 / 10**4. 2141000100020 SAMPLE .Target materials were aliquots of mixtures of 2141000100021 highly enriched plutonium isotopes, in nitric acid 2141000100022 solution, supplied by the electromagnetic separation 2141000100023 group at Harwell. Mixtures were deposited on precipte 2141000100024 silica.Samples contained about 10 mg silica and about 2141000100025 10 micro-gram plutonium in small silica phials under 2141000100026 reduced pressure.Irradiated samples were separated 2141000100027 chemically by anion exchange column, then 2141000100028 analyzed for relative isotopic abundances by mass 2141000100029 spectrometry. 2141000100030 METHOD (ASEP) Mass separation in A.E.I. Type MS5 mass 2141000100031 spectrometer, for details see JIN,27,2481. 2141000100032 MONITOR (27-CO-59(N,G)27-CO-60,,SIG) 2141000100033 value taken as 37.5 +- 0.13 b, revised value 2141000100034 supersedes that used in JIN,28,2467. 2141000100035 COMMENT .The original analysis in JIN,28,2467 used an 2141000100036 interactive fitting procedure to obtain a self- 2141000100037 consistent set of cross sections from all fourteen 2141000100038 samples. 2141000100039 .The revised procedure considers the experiment in 2141000100040 tree separate parts, with each isotopic mixture 2141000100041 analyzed independently. 2141000100042 ERR-ANALYS (DATA-ERR).Errors are given at one standard deviation 2141000100043 and include contributions from 2141000100044 * the mass analysis, 2141000100045 (ERR-1) the neutron flux normalization (2.26%), 2141000100046 * uncertainties in other assumed quantities such 2141000100047 as the Pu-241 half life etc. 2141000100048 (MONIT-ERR) Uncertainty in monitor reaction 2141000100049 STATUS (TABLE) .Tables in AERE-R-5874. 2141000100050 HISTORY (19800229C) 2141000100051 (20101114A) SD:Updated to new date formats,lower case. 2141000100052 Code SUM deleted from REACTION (Subents 002-004, 2141000100053 006,010,012) and ASSUMED (Subents 005,007) 2141000100054 (20170127A) SD: REACTION code corrected in Subents 2141000100055 002-011. Small corrections in all Subents. 2141000100056 ENDBIB 54 0 2141000100057 COMMON 3 3 2141000100058 MONIT MONIT-ERR ERR-1 2141000100059 B B PER-CENT 2141000100060 37.5 0.13 2.26 2141000100061 ENDCOMMON 3 0 2141000100062 ENDSUBENT 61 0 2141000199999 SUBENT 21410002 20170127 22572141000200001 BIB 4 8 2141000200002 REACTION ((94-PU-240(N,G)94-PU-241,,SIG,,SPA)- 2141000200003 (94-PU-242(N,G)94-PU-243,,SIG,,SPA)) 2141000200004 Difference Pu-240 and Pu-242 capture cross sections. 2141000200005 Mean value (four samples were used). 2141000200006 ANALYSIS .From irradiation of Pu-240 and Pu-242 mixture. 2141000200007 STATUS (TABLE) .Table 2, revised, page 3 from AERE-R-5874 2141000200008 HISTORY (20170127A) SD: SF8=MXW -> SPA in REACTION code; 2141000200009 EN-DUMMY -> KT-K. 2141000200010 ENDBIB 8 0 2141000200011 NOCOMMON 0 0 2141000200012 DATA 4 1 2141000200013 KT-K KT-K-ERR DATA DATA-ERR 2141000200014 DEG-C DEG-C B B 2141000200015 116. 9. 276.2 12.2 2141000200016 ENDDATA 3 0 2141000200017 ENDSUBENT 16 0 2141000299999 SUBENT 21410003 20170127 22572141000300001 BIB 5 10 2141000300002 REACTION (94-PU-240(N,G)94-PU-241,,SIG,,SPA) 2141000300003 cross section. 2141000300004 ANALYSIS .Derived from measurement of difference measurement 2141000300005 of Pu-240 and Pu-242 capture. 2141000300006 ASSUMED (ASSUM,94-PU-242(N,G)94-PU-243,,SIG,,SPA) 2141000300007 Assumed value taken as 21.0 +- 1.2 barns. 2141000300008 STATUS (TABLE) .Table 2, revised, page 3 from AERE-R-5874 2141000300009 (DEP,21410002) 2141000300010 HISTORY (20170127A) SD: SF8=MXW -> SPA in REACTION code; 2141000300011 EN-DUMMY -> KT-K. 2141000300012 ENDBIB 10 0 2141000300013 NOCOMMON 0 0 2141000300014 DATA 6 1 2141000300015 KT-K KT-K-ERR ASSUM ASSUM-ERR DATA DATA-ERR 2141000300016 DEG-C DEG-C B B B B 2141000300017 116. 9. 21.0 1.2 297.2 14.2 2141000300018 ENDDATA 3 0 2141000300019 ENDSUBENT 18 0 2141000399999 SUBENT 21410004 20170127 22572141000400001 BIB 4 10 2141000400002 REACTION ((94-PU-239(N,ABS),,SIG,,SPA)- 2141000400003 (94-PU-242(N,G)94-PU-243,,SIG,,SPA)) 2141000400004 difference between absorption cross sections of Pu-2392141000400005 and capture cross section of Pu-242. 2141000400006 ANALYSIS .Direct measurement of changes in isotopic 2141000400007 composition of Pu-239 and Pu-242 2141000400008 mixture. 2141000400009 STATUS (TABLE) .Table 3, revised, page 3 from AERE-R-5874 2141000400010 HISTORY (20170127A) SD: SF8=MXW -> SPA in REACTION code; 2141000400011 EN-DUMMY -> KT-K. 2141000400012 ENDBIB 10 0 2141000400013 NOCOMMON 0 0 2141000400014 DATA 4 1 2141000400015 KT-K KT-K-ERR DATA DATA-ERR 2141000400016 DEG-C DEG-C B B 2141000400017 116. 9. 1182.8 22.2 2141000400018 ENDDATA 3 0 2141000400019 ENDSUBENT 18 0 2141000499999 SUBENT 21410005 20170127 22572141000500001 BIB 5 10 2141000500002 REACTION (94-PU-239(N,ABS),,SIG,,SPA) Absorption cross 2141000500003 section. 2141000500004 ANALYSIS .Derived from measured difference in Pu-239 absorption 2141000500005 and Pu-242 capture cross sections. 2141000500006 ASSUMED (ASSUM,94-PU-242(N,G)94-PU-243,,SIG,,SPA) 2141000500007 Value taken as 21.0+-1.2 b. 2141000500008 STATUS (TABLE) .Table 3, revised, page 3 from AERE-R-5874 2141000500009 (DEP,21410004) 2141000500010 HISTORY (20170127A) SD: SF8=MXW -> SPA in REACTION code; 2141000500011 EN-DUMMY -> KT-K. 2141000500012 ENDBIB 10 0 2141000500013 NOCOMMON 0 0 2141000500014 DATA 6 1 2141000500015 KT-K KT-K-ERR ASSUM ASSUM-ERR DATA DATA-ERR 2141000500016 DEG-C DEG-C B B B B 2141000500017 116. 9. 21.0 1.2 1203.8 42.1 2141000500018 ENDDATA 3 0 2141000500019 ENDSUBENT 18 0 2141000599999 SUBENT 21410006 20170127 22572141000600001 BIB 5 9 2141000600002 REACTION (94-PU-239(N,G)94-PU-240,,SIG,,SPA) 2141000600003 cross section. 2141000600004 ANALYSIS .Derived from changes in isotopic abundances of a 2141000600005 Pu-239 and Pu-242 mixture. 2141000600006 ASSUMED (ASSUM,94-PU-240(N,G)94-PU-241,,SIG,,SPA) 2141000600007 Value taken as 305.1 +- 7.6 barns. 2141000600008 STATUS (TABLE) .Table 4, revised, page 4 from AERE-R-5874 2141000600009 HISTORY (20170127A) SD: SF8=MXW -> SPA in REACTION code; 2141000600010 EN-DUMMY -> KT-K. 2141000600011 ENDBIB 9 0 2141000600012 NOCOMMON 0 0 2141000600013 DATA 6 1 2141000600014 KT-K KT-K-ERR ASSUM ASSUM-ERR DATA DATA-ERR 2141000600015 DEG-C DEG-C B B B B 2141000600016 116. 9. 305.1 7.6 368.2 8.3 2141000600017 ENDDATA 3 0 2141000600018 ENDSUBENT 17 0 2141000699999 SUBENT 21410007 20170127 22572141000700001 BIB 4 11 2141000700002 REACTION (94-PU-239(N,ABS),,ALF,,SPA) Alpha, ratio 2141000700003 of capture to fission cross sections. 2141000700004 ANALYSIS Derived from equation: S9/C9=1 + 1/ALF, where 2141000700005 S9 - absorption cr.section; 2141000700006 C9 - capture cross section; 2141000700007 ALF - alpha. 2141000700008 STATUS (TABLE) .Table 4, revised, page 4 from AERE-R-5874 2141000700009 (DEP,21410019) Ratio of absorption to capture cr.sec. 2141000700010 HISTORY (20170127A) SD: SF8=MXW -> SPA in REACTION code; 2141000700011 EN-DUMMY -> KT-K. ASSUMED deleted; STATUS 'DEP' added; 2141000700012 ANALYSIS update. 2141000700013 ENDBIB 11 0 2141000700014 NOCOMMON 0 0 2141000700015 DATA 4 1 2141000700016 KT-K KT-K-ERR DATA DATA-ERR 2141000700017 DEG-C DEG-C NO-DIM NO-DIM 2141000700018 116. 9. 0.4407 0.0173 2141000700019 ENDDATA 3 0 2141000700020 ENDSUBENT 19 0 2141000799999 SUBENT 21410008 20170127 22572141000800001 BIB 5 12 2141000800002 REACTION ((94-PU-241(N,ABS),,SIG,,SPA)- 2141000800003 (94-PU-239(N,ABS),,SIG,,SPA)) 2141000800004 difference in the absorption cross sections of Pu-241 2141000800005 and Pu-239. 2141000800006 ANALYSIS .From direct measurement of changes in isotopic 2141000800007 composition of Pu-239 and Pu-241 mixtures. 2141000800008 FLAG (1.) Assuming Pu-241 half-life 14.05 +- 0.14 years. 2141000800009 (2.) Assuming Pu-241 half-life 14.98 +- 0.33 years. 2141000800010 STATUS (TABLE) .Table 5a and 5b, revised, pages 4 and 6 2141000800011 from AERE-R-5874 2141000800012 HISTORY (20170127A) SD: SF8=MXW -> SPA in REACTION code; 2141000800013 EN-DUMMY -> KT-K. 2141000800014 ENDBIB 12 0 2141000800015 COMMON 2 3 2141000800016 KT-K KT-K-ERR 2141000800017 DEG-C DEG-C 2141000800018 116. 9. 2141000800019 ENDCOMMON 3 0 2141000800020 DATA 3 2 2141000800021 DATA DATA-ERR FLAG 2141000800022 B B NO-DIM 2141000800023 306.0 17.7 1. 2141000800024 342.9 19.4 2. 2141000800025 ENDDATA 4 0 2141000800026 ENDSUBENT 25 0 2141000899999 SUBENT 21410009 20170127 22572141000900001 BIB 6 12 2141000900002 REACTION (94-PU-241(N,ABS),,SIG,,SPA) Cross section. 2141000900003 ANALYSIS .Derived from measured difference in Pu-241 and 2141000900004 Pu-239 absorption cross sections. 2141000900005 ASSUMED (ASSUM,94-PU-239(N,ABS),,SIG,,MXW) Value taken 2141000900006 as 1196.5 +- 15.0 b. 2141000900007 FLAG (1.) Assuming Pu-241 half-life 14.05 +- 0.14 years. 2141000900008 (2.) Assuming Pu-241 half-life 14.98 +- 0.33 years. 2141000900009 STATUS (TABLE) .Tables 5a and 5b, revised, pages 4 and 6 2141000900010 from AERE-R-5874 2141000900011 (DEP,21410008) 2141000900012 HISTORY (20170127A) SD: SF8=MXW -> SPA in REACTION code; 2141000900013 EN-DUMMY -> KT-K. 2141000900014 ENDBIB 12 0 2141000900015 COMMON 4 3 2141000900016 KT-K KT-K-ERR ASSUM ASSUM-ERR 2141000900017 DEG-C DEG-C B B 2141000900018 116. 9. 1196.5 15.0 2141000900019 ENDCOMMON 3 0 2141000900020 DATA 3 2 2141000900021 DATA DATA-ERR FLAG 2141000900022 B B NO-DIM 2141000900023 1502.5 23.2 1. 2141000900024 1539.4 24.5 2. 2141000900025 ENDDATA 4 0 2141000900026 ENDSUBENT 25 0 2141000999999 SUBENT 21410010 20170127 22572141001000001 BIB 5 10 2141001000002 REACTION (94-PU-241(N,G)94-PU-242,,SIG,,SPA) 2141001000003 cross section. 2141001000004 ANALYSIS .From direct measurement of isotopic 2141001000005 composition changes in Pu-239 and Pu-241 mixture. 2141001000006 FLAG (1.) Assuming Pu-241 half-life 14.05 +- 0.14 years. 2141001000007 (2.) Assuming Pu-241 half-life 14.98 +- 0.33 years. 2141001000008 STATUS (TABLE) .Table 6a and 6b, revised, page 5 and 6 2141001000009 from AERE-R-5874 2141001000010 HISTORY (20170127A) SD: SF8=MXW -> SPA in REACTION code; 2141001000011 EN-DUMMY -> KT-K. 2141001000012 ENDBIB 10 0 2141001000013 COMMON 2 3 2141001000014 KT-K KT-K-ERR 2141001000015 DEG-C DEG-C 2141001000016 116. 9. 2141001000017 ENDCOMMON 3 0 2141001000018 DATA 3 2 2141001000019 DATA DATA-ERR FLAG 2141001000020 B B NO-DIM 2141001000021 388.1 9.1 1. 2141001000022 389.5 9.2 2. 2141001000023 ENDDATA 4 0 2141001000024 ENDSUBENT 23 0 2141001099999 SUBENT 21410011 20170127 22572141001100001 BIB 5 13 2141001100002 REACTION (94-PU-241(N,ABS),,ALF,,SPA) Alpha, ratio of capture to2141001100003 fission cross sections. 2141001100004 ANALYSIS Derived from equation: S9/C9=1 + 1/ALF, where 2141001100005 S9 - absorption cr.section; 2141001100006 C9 - capture cross section; 2141001100007 ALF - alpha. 2141001100008 FLAG (1.) Assuming Pu-241 half-life 14.05 +- 0.14 years. 2141001100009 (2.) Assuming Pu-241 half-life 14.98 +- 0.33 years. 2141001100010 STATUS (TABLE).Table 6a and 6b, revised, p. 6 from AERE-R-58742141001100011 (DEP,21410020) Ratio of absorption to capture cr.sec. 2141001100012 HISTORY (20170127A) SD: SF8=SPA was added to REACTION code; 2141001100013 EN-DUMMY -> KT-K. ASSUMED deleted; STATUS 'DEP' added; 2141001100014 ANALYSIS update. 2141001100015 ENDBIB 13 0 2141001100016 COMMON 2 3 2141001100017 KT-K KT-K-ERR 2141001100018 DEG-C DEG-C 2141001100019 116. 9. 2141001100020 ENDCOMMON 3 0 2141001100021 DATA 3 2 2141001100022 DATA DATA-ERR FLAG 2141001100023 NO-DIM NO-DIM NO-DIM 2141001100024 0.3483 0.0075 1. 2141001100025 0.3388 0.0074 2. 2141001100026 ENDDATA 4 0 2141001100027 ENDSUBENT 26 0 2141001199999 SUBENT 21410012 20170127 22572141001200001 BIB 4 8 2141001200002 REACTION (94-PU-240(N,G)94-PU-241,,SIG) 2141001200003 2200 m/sec value. 2141001200004 ANALYSIS .Derived from measured Maxwellian average divided 2141001200005 by the conversion factor 1.0858+-0.0034 2141001200006 ASSUMED (ASSUM,94-PU-242(N,G)94-PU-243,,SIG,,MXW) 2141001200007 value taken as 21.0 +- 1.2 b. 2141001200008 STATUS (TABLE) .Table 7B,revised, page 8 from AERE-R-5874 2141001200009 (DEP,21410003) 2141001200010 ENDBIB 8 0 2141001200011 NOCOMMON 0 0 2141001200012 DATA 5 1 2141001200013 EN ASSUM ASSUM-ERR DATA DATA-ERR 2141001200014 EV B B B B 2141001200015 0.0253 21. 1.2 273.7 13.1 2141001200016 ENDDATA 3 0 2141001200017 ENDSUBENT 16 0 2141001299999 SUBENT 21410013 20170127 22572141001300001 BIB 4 7 2141001300002 REACTION (94-PU-239(N,ABS),,SIG) 2200 m/sec value. 2141001300003 ANALYSIS .Derived from measured Maxwellian average divided 2141001300004 by conversion factor 1.1869 +- 0.0136 2141001300005 ASSUMED (ASSUM,94-PU-242(N,G)94-PU-243,,SIG,,MXW) 2141001300006 value taken as 21.0 +- 1.2 b 2141001300007 STATUS (TABLE) .Table 7B, revised, page 8 from AERE-R-5874 2141001300008 (DEP,21410005) 2141001300009 ENDBIB 7 0 2141001300010 NOCOMMON 0 0 2141001300011 DATA 5 1 2141001300012 EN ASSUM ASSUM-ERR DATA DATA-ERR 2141001300013 EV B B B B 2141001300014 0.0253 21.0 1.2 1014.2 37.3 2141001300015 ENDDATA 3 0 2141001300016 ENDSUBENT 15 0 2141001399999 SUBENT 21410014 20170127 22572141001400001 BIB 4 8 2141001400002 REACTION (94-PU-239(N,G)94-PU-240,,SIG) 2141001400003 2200 m/sec value. 2141001400004 ANALYSIS .Derived from measured Maxwellian average divided 2141001400005 by conversion factor, unspecified. 2141001400006 ASSUMED (ASSUM,94-PU-240(N,G)94-PU-241,,SIG,,MXW) 2141001400007 Value taken as 305.1,+- 7.6 b 2141001400008 STATUS (TABLE) .Table 7B, revised, page 8 from AERE-R-5874 2141001400009 (DEP,21410006) 2141001400010 ENDBIB 8 0 2141001400011 NOCOMMON 0 0 2141001400012 DATA 5 1 2141001400013 EN ASSUM ASSUM-ERR DATA DATA-ERR 2141001400014 EV B B B B 2141001400015 0.0253 305.1 7.6 277.9 13.7 2141001400016 ENDDATA 3 0 2141001400017 ENDSUBENT 16 0 2141001499999 SUBENT 21410015 20170127 22572141001500001 BIB 4 8 2141001500002 REACTION (94-PU-239(N,ABS),,ALF) Alpha, ratio of capture to 2141001500003 fission cross sections. 2141001500004 ANALYSIS .Derived from measured Maxwellian average divided 2141001500005 by conversion factor of 0.9560 +- 0.0029 2141001500006 ASSUMED (ASSUM,94-PU-240(N,G)94-PU-241,,SIG,,MXW) 2141001500007 value taken as 305.1 +- 7.6 b 2141001500008 STATUS (TABLE) .Table 7B,revised, page 8 from AERE-R-5874 2141001500009 (DEP,21410007) 2141001500010 ENDBIB 8 0 2141001500011 NOCOMMON 0 0 2141001500012 DATA 5 1 2141001500013 EN ASSUM ASSUM-ERR DATA DATA-ERR 2141001500014 EV B B NO-DIM NO-DIM 2141001500015 0.0253 305.1 7.6 0.3773 0.0170 2141001500016 ENDDATA 3 0 2141001500017 ENDSUBENT 16 0 2141001599999 SUBENT 21410016 20170127 22572141001600001 BIB 4 9 2141001600002 REACTION (94-PU-241(N,ABS),,SIG) 2200 m/sec value. 2141001600003 ANALYSIS .Derived from measured Maxwellian average divided 2141001600004 by conversion factor of 1.0841 =- 0.0073 2141001600005 ASSUMED (ASSUM,94-PU-239(N,ABS),,SIG,,MXW) Value taken as 2141001600006 1196.5 +- 15.0 b 2141001600007 the value of the Pu-241 half-life was taken 2141001600008 as 14.51 years, an average of discrepant values. 2141001600009 STATUS (TABLE) .Table 7B, revised, page 8 from AERE-R-5874 2141001600010 (DEP,21410009) 2141001600011 ENDBIB 9 0 2141001600012 NOCOMMON 0 0 2141001600013 DATA 5 1 2141001600014 EN ASSUM ASSUM-ERR DATA DATA-ERR 2141001600015 EV B B B B 2141001600016 0.0253 1196.5 15.0 1404.0 29.1 2141001600017 ENDDATA 3 0 2141001600018 ENDSUBENT 17 0 2141001699999 SUBENT 21410017 20170127 22572141001700001 BIB 3 6 2141001700002 REACTION (94-PU-241(N,G)94-PU-242,,SIG) 2141001700003 ANALYSIS .Derived from measured Maxwellian average. 2141001700004 The value of the Pu-241 half-life was taken 2141001700005 as 14.51 years, the average of discrepant values. 2141001700006 STATUS (TABLE) .Table 7B,revised, page 8 from AERE-R-5874 2141001700007 (DEP,21410010) 2141001700008 ENDBIB 6 0 2141001700009 NOCOMMON 0 0 2141001700010 DATA 3 1 2141001700011 EN DATA DATA-ERR 2141001700012 EV B B 2141001700013 0.0253 371.6 12.0 2141001700014 ENDDATA 3 0 2141001700015 ENDSUBENT 14 0 2141001799999 SUBENT 21410018 20170127 22572141001800001 BIB 3 8 2141001800002 REACTION (94-PU-241(N,ABS),,ALF) 2200 m/sec value for alpha, 2141001800003 ratio of capture to fission cross sections. 2141001800004 ANALYSIS .Derived from measured Maxwellian averages divided 2141001800005 by conversion factor of 1.0127 +- 0.0061 2141001800006 the Pu-241 half-life was taken as 14.51 years, an 2141001800007 average of discrepant values. 2141001800008 STATUS (TABLE) .Table 7B, revised, page 8 from AERE-R-5874 2141001800009 (DEP,21410011) 2141001800010 ENDBIB 8 0 2141001800011 NOCOMMON 0 0 2141001800012 DATA 3 1 2141001800013 EN DATA DATA-ERR 2141001800014 EV NO-DIM NO-DIM 2141001800015 0.0253 0.3600 0.0121 2141001800016 ENDDATA 3 0 2141001800017 ENDSUBENT 16 0 2141001899999 SUBENT 21410019 20170127 22572141001900001 BIB 3 7 2141001900002 REACTION ((94-PU-239(N,ABS),,SIG,,SPA)/ 2141001900003 (94-PU-239(N,G)94-PU-240,,SIG,,SPA)) ratio 2141001900004 of absorption to capture cross sections. 2141001900005 STATUS (TABLE) .Table 4, revised, page 4 from AERE-R-5874 2141001900006 (DEP,21410006) capture cross section 2141001900007 (DEP,21410005) absorption cross section 2141001900008 HISTORY (20170127C) SD 2141001900009 ENDBIB 7 0 2141001900010 NOCOMMON 0 0 2141001900011 DATA 4 1 2141001900012 KT-K KT-K-ERR DATA DATA-ERR 2141001900013 DEG-C DEG-C NO-DIM NO-DIM 2141001900014 116. 9. 3.269 0.089 2141001900015 ENDDATA 3 0 2141001900016 ENDSUBENT 15 0 2141001999999 SUBENT 21410020 20170127 22572141002000001 BIB 3 7 2141002000002 REACTION ((94-PU-241(N,ABS),,SIG,,SPA)/ 2141002000003 (94-PU-241(N,G)94-PU-242,,SIG,,SPA)) ratio 2141002000004 of absorption to capture cross sections. 2141002000005 STATUS (TABLE) .Table 4, revised, page 4 from AERE-R-5874 2141002000006 (DEP,21410009) capture cross section 2141002000007 (DEP,21410010) absorption cross section 2141002000008 HISTORY (20170127C) SD 2141002000009 ENDBIB 7 0 2141002000010 NOCOMMON 0 0 2141002000011 DATA 4 1 2141002000012 KT-K KT-K-ERR DATA DATA-ERR 2141002000013 DEG-C DEG-C NO-DIM NO-DIM 2141002000014 116. 9. 3.916 0.075 2141002000015 ENDDATA 3 0 2141002000016 ENDSUBENT 15 0 2141002099999 ENDENTRY 20 0 2141099999999