ENTRY 13153 20181203 14451315300000001 SUBENT 13153001 20181203 14451315300100001 BIB 14 32 1315300100002 INSTITUTE (1USANBS) 1315300100003 REFERENCE (C,88MITO,,1033,1988) 1315300100004 AUTHOR (G.P.Lamaze,C.M.Eisenhauer,J.A.Grundl,E.D.Mcgarry, 1315300100005 F.J.Schima,V.Spiegel) 1315300100006 TITLE Cross-section measurements in the intermediate- 1315300100007 energy standard neutron field 1315300100008 FACILITY (REAC,1USANBS) NBS 20 MW research reactor + U235 disks 1315300100009 INC-SOURCE Fission spectrum, 235U 1315300100010 INC-SPECT ISNF spectrum, resembles fast reactor spectrum, but 1315300100011 has less complex structure. Median energy = 0.58 MeV. 1315300100012 98% of fluence between 1.2 keV and 5.6 MeV. 1315300100013 COMMENT The ISNF spectrum is available in IRDF-2002. 1315300100014 METHOD (ACTIV) 1315300100015 DETECTOR (GE-IN) 1315300100016 MONITOR 252Cf/235U ratio for 140Ba-140La count rate is 0.772, 1315300100017 which gives the FLUENCE transfer 1315300100018 ERR-ANALYS (ERR-T) Contributions to total data uncertainty of 3.0%1315300100019 are uncertainties: 1315300100020 (ERR-1) .Cf source strength 1.1% 1315300100021 (ERR-2) .Distance measurement 0.6%, 1315300100022 (ERR-3) .235U cross section ratio 1.6% 1315300100023 (ERR-4) .235U scattering 0.6% 1315300100024 (ERR-5) .Fluence transfer statistics 0.9% 1315300100025 (ERR-6) .Extrapolation to zero thickness 1.0% 1315300100026 (ERR-7) .Neutron background 0.3% 1315300100027 (ERR-8) .Gamma counter efficiency 1.0% 1315300100028 (ERR-S) .Activation statistics 0.6% 1315300100029 STATUS (APRVD) G.P.Lamaze, 89/12/18. 1315300100030 (TABLE) Table III of Proc. of 88Mito, p1033 (1988) 1315300100031 HISTORY (19891029C) 1315300100032 (20181130U) Added COMMENT, revised error analysis, 1315300100033 converted to lower and upper case 1315300100034 ENDBIB 32 0 1315300100035 COMMON 10 6 1315300100036 EN-MEAN ERR-1 ERR-2 ERR-3 ERR-4 ERR-5 1315300100037 ERR-6 ERR-7 ERR-8 ERR-S 1315300100038 MEV PER-CENT PER-CENT PER-CENT PER-CENT PER-CENT 1315300100039 PER-CENT PER-CENT PER-CENT PER-CENT 1315300100040 0.58 1.1 0.6 1.6 0.6 0.9 1315300100041 1.0 0.3 1.0 0.6 1315300100042 ENDCOMMON 6 0 1315300100043 ENDSUBENT 42 0 1315300199999 SUBENT 13153002 20181203 14451315300200001 BIB 5 7 1315300200002 REACTION (49-IN-115(N,INL)49-IN-115-M,,SIG,,FST) 1315300200003 SAMPLE Natural in foil, 0.25mm thick, 12.7mm diameter 1315300200004 DECAY-DATA (49-IN-115-M,4.486HR,DG,336.,0.458) 1315300200005 CORRECTION Background subtraction 0.75% 1315300200006 Self-absorption correction 1.2% 1315300200007 ERR-ANALYS Contribution to total uncertainty from fluence 1315300200008 gradient correction 1.0% 1315300200009 ENDBIB 7 0 1315300200010 NOCOMMON 0 0 1315300200011 DATA 2 1 1315300200012 DATA ERR-T 1315300200013 MB MB 1315300200014 97.0 2.5 1315300200015 ENDDATA 3 0 1315300200016 ENDSUBENT 15 0 1315300299999 SUBENT 13153003 20181203 14451315300300001 BIB 5 8 1315300300002 REACTION (79-AU-197(N,G)79-AU-198,,SIG,,FST) 1315300300003 SAMPLE 50 Mg/cm**2 Au, 1.3 mg/cm**2 Au-Al alloy 1315300300004 DECAY-DATA (79-AU-198-G,2.6956D,DG,411.8,1.0) 1315300300005 CORRECTION Background subtraction 0.6% 1315300300006 Correction to zero thickness 0.1% to 4.1% 1315300300007 Fluence gradient correction 1.4% 1315300300008 ERR-ANALYS Contribution to total uncertainty from fluence 1315300300009 gradient correction 1.0% 1315300300010 ENDBIB 8 0 1315300300011 NOCOMMON 0 0 1315300300012 DATA 2 1 1315300300013 DATA ERR-T 1315300300014 MB MB 1315300300015 411. 11. 1315300300016 ENDDATA 3 0 1315300300017 ENDSUBENT 16 0 1315300399999 SUBENT 13153004 20181203 14451315300400001 BIB 5 7 1315300400002 REACTION (11-NA-23(N,G)11-NA-24,,SIG,,FST) 1315300400003 SAMPLE Reagent grade salt pellet, 12.7mm diameter, 1.3mm thick1315300400004 DECAY-DATA (11-NA-24,15.0HR,DG,1368.5,1.0) 1315300400005 CORRECTION Background subtraction 0.6% 1315300400006 Correction to zero thickness 4% to 12% 1315300400007 ERR-ANALYS Contribution to total uncertainty from fluence gradient1315300400008 correction 6% 1315300400009 ENDBIB 7 0 1315300400010 NOCOMMON 0 0 1315300400011 DATA 2 1 1315300400012 DATA ERR-T 1315300400013 MB MB 1315300400014 1.57 0.10 1315300400015 ENDDATA 3 0 1315300400016 ENDSUBENT 15 0 1315300499999 SUBENT 13153005 20181203 14451315300500001 BIB 5 7 1315300500002 REACTION (21-SC-45(N,G)21-SC-46,,SIG,,FST) 1315300500003 SAMPLE Metal foils, 12.7mm diameter, 0.15mm thick 1315300500004 DECAY-DATA (21-SC-46-G,83.83D,DG,889.9,0.9998,DG,1120.5,0.9999) 1315300500005 CORRECTION Background subtraction 0.4% 1315300500006 Correction to zero thickness 1.6% 1315300500007 ERR-ANALYS Contribution to total uncertainty from fluence gradient1315300500008 correction 1.0% 1315300500009 ENDBIB 7 0 1315300500010 NOCOMMON 0 0 1315300500011 DATA 2 1 1315300500012 DATA ERR-T 1315300500013 MB MB 1315300500014 24.4 0.8 1315300500015 ENDDATA 3 0 1315300500016 ENDSUBENT 15 0 1315300599999 SUBENT 13153006 20181203 14451315300600001 BIB 6 8 1315300600002 REACTION (47-AG-109(N,G)47-AG-110-M,,SIG,,FST) 1315300600003 SAMPLE Metal foils, 12.7mm diameter, 0.13mm or 0.25MM thick 1315300600004 DECAY-DATA (47-AG-110-M,249.78D,DG,659.,0.9438,DG,885.,0.7260) 1315300600005 CORRECTION Background subtraction 0.4% 1315300600006 Correction to zero thickness 1.2% 1315300600007 ERR-ANALYS Contribution to total uncertainty from fluence gradient1315300600008 correction 1.0% 1315300600009 HISTORY (19900604A) BIB correction 1315300600010 ENDBIB 8 0 1315300600011 NOCOMMON 0 0 1315300600012 DATA 2 1 1315300600013 DATA ERR-T 1315300600014 MB MB 1315300600015 23.8 0.9 1315300600016 ENDDATA 3 0 1315300600017 ENDSUBENT 16 0 1315300699999 SUBENT 13153007 20181203 14451315300700001 BIB 5 8 1315300700002 REACTION (27-CO-59(N,G)27-CO-60,,SIG,,FST) 1315300700003 SAMPLE Metal foils, 12.7mm diameter, 0.06mm or 0.25mm thick 1315300700004 DECAY-DATA (27-CO-60-G,1925.23D,DG,1173.2,0.9990,DG,1332.5,0.9998)1315300700005 CORRECTION Background subtraction 0.7% 1315300700006 Correction to zero thickness 12.% 1315300700007 Fluence gradient correction 0 to 4% 1315300700008 ERR-ANALYS Contribution to total uncertainty from fluence gradient1315300700009 correction 3% 1315300700010 ENDBIB 8 0 1315300700011 NOCOMMON 0 0 1315300700012 DATA 2 1 1315300700013 DATA ERR-T 1315300700014 MB MB 1315300700015 36.3 1.5 1315300700016 ENDDATA 3 0 1315300700017 ENDSUBENT 16 0 1315300799999 ENDENTRY 7 0 1315399999999