ENTRY 20602 20090310 22102060200000001 SUBENT 20602001 20090310 22102060200100001 BIB 15 46 2060200100002 INSTITUTE (2GERMUN) 2060200100003 REFERENCE (J,ZN/A,29,1750,197411) Final publication. 2060200100004 (J,NIM,100,83,1972) Experimental details. 2060200100005 (P,NEANDC(E)-162U,197502) Preliminary Report. 2060200100006 (J,NIM,122,343,197407) Details of vanadium measurement.2060200100007 AUTHOR (W.Dilg) 2060200100008 TITLE -Neutron total cross sections at 18.8 eV-. 2060200100009 FACILITY (REAC) FRM Research Reactor, Munich. 2060200100010 INC-SOURCE (REAC) Reactor.Thin tungsten resonance scatterer near 2060200100011 reactor core. Cadmium filter. 2060200100012 INC-SPECT -Energy selection by three resonance scattering in 2060200100013 tungsten foils. Nearly monoenergetic. Upper bound of 2060200100014 0.5% for spectral contribution of off-resonance 2060200100015 neutrons. Total contribution due to double scattering 2060200100016 from further eV resonances in tungsten (mainly 21.2 eV2060200100017 and 46.2 eV) was estimated to less 3%. 2060200100018 SAMPLE -Metal except fluorine. 2060200100019 METHOD (TRN) Transmission. 2060200100020 (FNB) Tungsten resonance technique. Tungsten filter 2060200100021 difference technique. 2060200100022 DETECTOR No details. 2060200100023 CORRECTION -Corrections for sample impurities. 2060200100024 -Free scattering x-sections corrected for capture 2060200100025 x-sections derived from thermal values with 2060200100026 assumed 1/v dependence, and for the effects of 2060200100027 nearby resonances. 2060200100028 -Coherent scattering amplitudes are given after 2060200100029 correction for incoherent scattering. 2060200100030 ERR-ANALYS (DATA-ERR) Counting statistical uncertainty, errors in 2060200100031 the sample dimensions and impurities. 2060200100032 EN-ERR - estimated uncertainty in the mean energy 2060200100033 18.8 eV of present experiment. 2060200100034 COMMENT -Measurements used to evaluate free scattering 2060200100035 x-sections at zero energy and coherent amplitudes. 2060200100036 STATUS -Final publication. Numerical values in text. 2060200100037 HISTORY (19760615C) 2060200100038 (19761217E) 2060200100039 (20090310A) M.M. BIB and COMMON information was added. 2060200100040 Dates were corrected for 4-digits year. 2060200100041 Free text was corrected to be human-readable. 2060200100042 EN-ERR was added for EN=18.8 eV . 2060200100043 Reference (J,ZN/A,26,442,197103) was moved in REL-REF 2060200100044 of Subent 003. 2060200100045 In Subents 002, 004, 006, 008, 010, 012, 014, 016, 0182060200100046 EN -> EN-DUMMY , value 0.0 -> 0.0253 (for "zero" 2060200100047 energy - slow neutron energy). 2060200100048 ENDBIB 46 0 2060200100049 NOCOMMON 0 0 2060200100050 ENDSUBENT 49 0 2060200199999 SUBENT 20602002 20090310 22102060200200001 BIB 6 20 2060200200002 REACTION (9-F-19(N,EL)9-F-19,FA,SIG,,,DERIV) 2060200200003 Value at zero energy. 2060200200004 SAMPLE -Teflon. 2060200200005 CORRECTION Estimated capture c-s at 18.8 eV, derived from thermal 2060200200006 c-s of REL-REF under the assumption that the 2060200200007 absorption varies as 1/v, was found to be negligible. 2060200200008 D-SIG-s - variation in the scattering c-s between zero 2060200200009 energy and 18.8 eV due to the effects of nearlyby 2060200200010 resonances was estimated to be negligible. 2060200200011 REL-REF (R,,S.F.Mughabghab+,R,BNL-325,1,1973) Third edition. 2060200200012 Value of present experiment was compared with 2060200200013 recommended value from REL-REF - 4.0+-0.1 b for 2060200200014 2200 m/c neutrons. 2060200200015 ADD-RES (STRUC) Spin dependent scattering lengths (free nuclei)2060200200016 derived by combining the present data with data from 2060200200017 polarized-neutron experiments: 2060200200018 A+ =5.301+-0.011Fermi. A- =5.429+-0.011Fermi (Table3).2060200200019 A+ -for I+1/2, A- -for I-1/2. I=1/2. 2060200200020 STATUS (DEP,20602003)Dependent on total x-section measurements2060200200021 (TABLE) Table 1 of ZN/A,29,1750,197411. 2060200200022 ENDBIB 20 0 2060200200023 NOCOMMON 0 0 2060200200024 DATA 3 1 2060200200025 EN-DUMMY DATA DATA-ERR 2060200200026 EV B B 2060200200027 0.0253 3.5750E+00 1.4000E-02 2060200200028 ENDDATA 3 0 2060200200029 ENDSUBENT 28 0 2060200299999 SUBENT 20602003 20090310 22102060200300001 BIB 6 9 2060200300002 REACTION (9-F-19(N,TOT),,SIG) 2060200300003 SAMPLE Teflon, (CF2)n. 2060200300004 ASSUMED (ASSUM,6-C-12(N,TOT),,SIG) From REL-REF. 2060200300005 REL-REF (R,21353003,Dilg+,J,ZN/A,26,442,197103) 2060200300006 STATUS (DEP,21353003) Value dependent on the carbon X-section.2060200300007 SIGMA(C) = 4.746+-0.007 B, ZN/A,26,442,7103. 2060200300008 (TABLE) Table 1 of ZN/A,29,1750,197411. 2060200300009 HISTORY (19760615C) 2060200300010 (19761217E) 2060200300011 ENDBIB 9 0 2060200300012 NOCOMMON 0 0 2060200300013 DATA 6 1 2060200300014 EN EN-ERR DATA DATA-ERR ASSUM ASSUM-ERR 2060200300015 EV EV B B B B 2060200300016 1.8800E+01 1. 3.5750E+00 1.4000E-02 4.746 0.007 2060200300017 ENDDATA 3 0 2060200300018 ENDSUBENT 17 0 2060200399999 SUBENT 20602004 20090310 22102060200400001 BIB 8 23 2060200400002 REACTION (13-AL-27(N,EL)13-AL-27,FA,SIG,,,DERIV) 2060200400003 Value at zero energy. 2060200400004 SAMPLE -Purity 99.999 % . 2060200400005 ASSUMED (ASSUM,13-AL-27(N,G)13-AL-28,,SIG,,,EVAL) Calculated 2060200400006 capture c-s at 18.8 eV, derived from thermal c-s from 2060200400007 REL-REFs under the assumption that the absorption 2060200400008 varies as 1/v. 2060200400009 CORRECTION Variation in the scattering c-s between zero energy and2060200400010 18.8 eV due to the effects of nearlyby resonances was 2060200400011 estimated to be negligible. 2060200400012 REL-REF (R,,S.F.Mughabghab+,R,BNL-325,1,1973) Third edition. 2060200400013 ANALYSIS -Free scattering c-s was defined as : 2060200400014 SIG-tot - SIG-cap . 2060200400015 Value of present experiment was compared with 2060200400016 recommended value from REL-REF - 1.49+-0.03 b for 2060200400017 2200 m/c neutrons. 2060200400018 ADD-RES (STRUC) Spin dependent scattering lengths (free nuclei)2060200400019 derived by combining the present data with data from 2060200400020 polarized-neutron measurements: 2060200400021 A+ = 3.57+-0.03 Fermi. A- = 3.04+-0.04 Fermi (Table3).2060200400022 A+ -for I+1/2, A- -for I-1/2. I=5/2. 2060200400023 STATUS (DEP,20602005) Dependent on total x-section, 2060200400024 (TABLE) ZN/A,29,1750,197411. Table 1 . 2060200400025 ENDBIB 23 0 2060200400026 NOCOMMON 0 0 2060200400027 DATA 4 1 2060200400028 EN-DUMMY DATA DATA-ERR ASSUM 2060200400029 EV B B B 2060200400030 0.0253 1.4170E+00 3.0000E-03 0.008 2060200400031 ENDDATA 3 0 2060200400032 ENDSUBENT 31 0 2060200499999 SUBENT 20602005 20090310 22102060200500001 BIB 4 5 2060200500002 REACTION (13-AL-27(N,TOT),,SIG) 2060200500003 SAMPLE .99.999 % purity. 2060200500004 STATUS (TABLE) Table 1, ZN/A,29,1750,197411 2060200500005 HISTORY (19760615C) 2060200500006 (19761217E) 2060200500007 ENDBIB 5 0 2060200500008 NOCOMMON 0 0 2060200500009 DATA 4 1 2060200500010 EN EN-ERR DATA DATA-ERR 2060200500011 EV EV B B 2060200500012 1.8800E+01 1. 1.4250E+00 3.0000E-03 2060200500013 ENDDATA 3 0 2060200500014 ENDSUBENT 13 0 2060200599999 SUBENT 20602006 20090310 22102060200600001 BIB 8 24 2060200600002 REACTION (21-SC-45(N,EL)21-SC-45,FA,SIG,,,DERIV) 2060200600003 Value at zero energy. 2060200600004 SAMPLE -Purity 99.9 % . 2060200600005 ASSUMED (ASSUM,21-SC-45(N,G)21-SC-46,,SIG,,,EVAL) Calculated 2060200600006 capture c-s at 18.8 eV, derived from thermal c-s from 2060200600007 REL-REFs under the assumption that the absorption 2060200600008 varies as 1/v. 2060200600009 CORRECTION Variation in the scattering c-s between zero energy and2060200600010 18.8 eV due to the effects of nearlyby resonances was 2060200600011 estimated to be D-SIG-s =1.1 +-0.2 b. 2060200600012 REL-REF (R,,S.F.Mughabghab+,R,BNL-325,1,1973) Third edition. 2060200600013 (R,20965006,W.Dilg+,J,ZP,266,157,1974) 2060200600014 ANALYSIS -Free scattering c-s was defined as : 2060200600015 SIG-tot - SIG-cap + D-SIG-s . 2060200600016 Value of present experiment was compared with 2060200600017 recommended value from REL-REF - 24. +- 2. b for 2060200600018 2200 m/c neutrons. 2060200600019 ADD-RES (STRUC) Spin dependent scattering lengths (free nuclei)2060200600020 derived by combining the present data with data from 2060200600021 polarized-neutron measurements: 2060200600022 A+ = 17.0+-0.2 Fermi. A- = 5.3+-0.3 Fermi (Table 3). 2060200600023 A+ -for I+1/2, A- -for I-1/2. I=7/2. 2060200600024 STATUS (DEP,20602007) Dependent on total x-section, 2060200600025 (TABLE) ZN/A,29,1750,197411, Table 1 . 2060200600026 ENDBIB 24 0 2060200600027 NOCOMMON 0 0 2060200600028 DATA 5 1 2060200600029 EN-DUMMY DATA DATA-ERR ASSUM ASSUM-ERR 2060200600030 EV B B B B 2060200600031 0.0253 2.2100E+01 4.0000E-01 1.01 0.01 2060200600032 ENDDATA 3 0 2060200600033 ENDSUBENT 32 0 2060200699999 SUBENT 20602007 20090310 22102060200700001 BIB 4 5 2060200700002 REACTION (21-SC-45(N,TOT),,SIG) 2060200700003 SAMPLE -99.9 % purity. 2060200700004 STATUS (TABLE) Table 1, ZN/A,29,1750,197411. 2060200700005 HISTORY (19760615C) 2060200700006 (19761217E) 2060200700007 ENDBIB 5 0 2060200700008 NOCOMMON 0 0 2060200700009 DATA 4 1 2060200700010 EN EN-ERR DATA DATA-ERR 2060200700011 EV EV B B 2060200700012 1.8800E+01 1. 2.2030E+01 2.5000E-01 2060200700013 ENDDATA 3 0 2060200700014 ENDSUBENT 13 0 2060200799999 SUBENT 20602008 20090310 22102060200800001 BIB 9 29 2060200800002 REACTION (23-V-0(N,EL)23-V-0,FA,SIG,,,DERIV) 2060200800003 Value quoted at zero energy. 2060200800004 SAMPLE -Purity 99.7 % . 2060200800005 ASSUMED (ASSUM,23-V-0(N,G),,SIG,,,EVAL) Calculated capture c-s 2060200800006 at 18.8 eV, derived by extrapolating the thermal 2060200800007 absorption c-s, about 5.1b, from REL-REFs 2060200800008 under the assumption that the absorption varies as 1/v.2060200800009 CORRECTION Variation in the scattering c-s between zero energy and2060200800010 18.8 eV due to the effects of nearlyby resonances was 2060200800011 estimated to be D-SIG-s < 0.01 b. 2060200800012 REL-REF (R,,S.F.Mughabghab+,R,BNL-325,1,1973) Third edition. 2060200800013 (R,20965007,W.Dilg+,J,ZP,266,157,1974) 2060200800014 ANALYSIS -Free scattering c-s was defined as : 2060200800015 SIG-tot - SIG-cap + D-SIG-s . 2060200800016 Value of present experiment was compared with 2060200800017 recommended value from REL-REF - 4.93+-0.03 b for 2060200800018 2200 m/c neutrons. 2060200800019 ADD-RES (STRUC) Spin dependent scattering lengths (free nuclei)2060200800020 derived by combining the present data with data of the2060200800021 bound coherent scattering lengths, but depends on spin2060200800022 assignments of low energy neutron resonances for V: 2060200800023 A+ =4.96+-0.12 Fermi. A- = -7.45+-0.12 Fermi (Table3).2060200800024 A+ -for I+1/2, A- -for I-1/2. I=7/2. 2060200800025 ERR-ANALYS Error of absorption correction about 0.01 b, including2060200800026 both uncertainties in thermal value and in mean energy2060200800027 of present experiment (estimated as 1 eV). 2060200800028 STATUS (DEP,20602009) Dependent on total x-section. 2060200800029 (TABLE) ZN/A,29,1750,197411, Table 1 . 2060200800030 Value in text, NIM,122,343,197407. 2060200800031 ENDBIB 29 0 2060200800032 NOCOMMON 0 0 2060200800033 DATA 4 1 2060200800034 EN-DUMMY DATA DATA-ERR ASSUM 2060200800035 EV B B B 2060200800036 0.0253 4.7900E+00 3.0000E-02 0.19 2060200800037 ENDDATA 3 0 2060200800038 ENDSUBENT 37 0 2060200899999 SUBENT 20602009 20090310 22102060200900001 BIB 8 26 2060200900002 REACTION (23-V-0(N,TOT),,SIG) 2060200900003 SAMPLE -99.7 % purity. Sheets 1 mm thick, 28 mm diameter 2060200900004 combined to give total thicknesses of 5-10 mm. Sample 2060200900005 impurities: Si 1400 ppm; C,O,N,Fe,Al 400-200 ppm; 2060200900006 H 5 ppm by weight. W 31+-2 ppm by weight. 2060200900007 METHOD Permanent filter of 8 mm vanadium in the beam was used2060200900008 in addition to cadmium filter. 2060200900009 COMMENT -Detailed discussion of this measurement is in 2060200900010 NIM,122,343,197407. The vanadium x-section has been 2060200900011 often used as a reference standard but discrepancies 2060200900012 exist with the BNL-325 recommended value. 2060200900013 STATUS (TABLE) Table 1, ZN/A,29,1750,197411. 2060200900014 Value in text, NIM,122,343,197407. 2060200900015 CORRECTION -Dead time about +0.6 %, effect of displaced air in 2060200900016 sample-in measurement +0.11 %, tungsten impurity 2060200900017 (-1.38+-0.2) %, sample other impurities -0.42 % . 2060200900018 ERR-ANALYS (ERR-1) Uncertainty of correction for sample impurities2060200900019 as half of correction. 2060200900020 Error of sample thickness less 0.1% . 2060200900021 (ERR-S) Standard error of the mean of six measurements.2060200900022 (ERR-T) Square root of quadratic sum of standard error 2060200900023 and uncertainties in correction and in sample thickness2060200900024 HISTORY (19760615C) 2060200900025 (19761217E) 2060200900026 (20090310A) REACTION was corrected: 23-V-51 -> 23-V-0 .2060200900027 COMMON was added. DATA-ERR -> ERR-T. 2060200900028 ENDBIB 26 0 2060200900029 COMMON 2 3 2060200900030 ERR-1 ERR-S 2060200900031 PER-CENT PER-CENT 2060200900032 0.24 0.15 2060200900033 ENDCOMMON 3 0 2060200900034 DATA 4 1 2060200900035 EN EN-ERR DATA ERR-T 2060200900036 EV EV B B 2060200900037 1.8800E+01 1. 4.9800E+00 2.0000E-02 2060200900038 ENDDATA 3 0 2060200900039 ENDSUBENT 38 0 2060200999999 SUBENT 20602010 20090310 22102060201000001 BIB 7 17 2060201000002 REACTION (26-FE-0(N,EL)26-FE-0,FA,SIG) 2060201000003 Quoted value at zero energy. 2060201000004 SAMPLE Purity 99.5 % . 2060201000005 ASSUMED (ASSUM,26-FE-0(N,G),,SIG,,,EVAL) Calculated capture c-s2060201000006 at 18.8 eV, derived from thermal c-s from REL-REFs 2060201000007 under the assumption that the absorption varies as 1/v.2060201000008 CORRECTION Variation in the scattering c-s between zero energy and2060201000009 18.8 eV due to the effects of nearlyby resonances was 2060201000010 estimated to be D-SIG-s =0.04 b. 2060201000011 ANALYSIS -Free scattering c-s was defined as : 2060201000012 SIG-tot - SIG-cap + D-SIG-s . 2060201000013 Value of present experiment was compared with 2060201000014 recommended value from REL-REF - 10.9+-0.2 b for 2060201000015 2200 m/c neutrons. 2060201000016 REL-REF (R,,S.F.Mughabghab+,R,BNL-325,1,1973) Third edition. 2060201000017 STATUS (DEP,20602011) Dependent on total x-section. 2060201000018 (TABLE) ZN/A,29,1750,197411, Table 1. 2060201000019 ENDBIB 17 0 2060201000020 NOCOMMON 0 0 2060201000021 DATA 4 1 2060201000022 EN-DUMMY DATA DATA-ERR ASSUM 2060201000023 EV B B B 2060201000024 0.0253 1.1330E+01 4.0000E-02 0.09 2060201000025 ENDDATA 3 0 2060201000026 ENDSUBENT 25 0 2060201099999 SUBENT 20602011 20090310 22102060201100001 BIB 4 6 2060201100002 REACTION (26-FE-0(N,TOT),,SIG) 2060201100003 SAMPLE 99.5 % purity. Sample checked for tungsten 2060201100004 impurity by neutron activation analysis. 2060201100005 STATUS (TABLE) Table 1, ZN/A,29,1750,197411. 2060201100006 HISTORY (19760615C) 2060201100007 (19761217E) 2060201100008 ENDBIB 6 0 2060201100009 NOCOMMON 0 0 2060201100010 DATA 4 1 2060201100011 EN EN-ERR DATA DATA-ERR 2060201100012 EV EV B B 2060201100013 1.8800E+01 1. 1.1380E+01 4.0000E-02 2060201100014 ENDDATA 3 0 2060201100015 ENDSUBENT 14 0 2060201199999 SUBENT 20602012 20090310 22102060201200001 BIB 8 26 2060201200002 REACTION (27-CO-59(N,EL)27-CO-59,FA,SIG,,,DERIV) 2060201200003 Value at zero energy. 2060201200004 SAMPLE -Spec pure. 2060201200005 ASSUMED (ASSUM,9-F-19(N,G)9-F-20,,SIG,,,EVAL) Calculated 2060201200006 capture c-s at 18.8 eV, derived from thermal c-s from 2060201200007 REL-REF under the assumption that the absorption varies2060201200008 as 1/v.Includes also effect due to wings of the level 2060201200009 at 132 eV , evaluated from single-level Breit-Wigner 2060201200010 formula using resonance parameters from 1st REL-REF. 2060201200011 CORRECTION Variation in the scattering c-s between zero energy and2060201200012 18.8 eV due to the effects of nearlyby resonances was 2060201200013 estimated to be D-SIG-s = -0.49 +- 0.08 b. 2060201200014 REL-REF (R,,S.F.Mughabghab+,R,BNL-325,1,1973) Third edition. 2060201200015 ANALYSIS -Free scattering c-s was defined as : 2060201200016 SIG-tot - SIG-cap + D-SIG-s . 2060201200017 Value of present experiment was compared with 2060201200018 recommended value from REL-REF - 6.7 +-0.3 b for 2060201200019 2200 m/c neutrons. 2060201200020 ADD-RES (STRUC) Spin dependent scattering lengths (free nuclei)2060201200021 derived by combining the present data with data of the2060201200022 bound coherent scattering lengths and polarized neutron2060201200023 diffraction: 2060201200024 A+ = -2.92+-0.06 Fermi. A- =10.01+-0.07Fermi (Table3).2060201200025 A+ -for I+1/2, A- -for I-1/2. I=7/2. 2060201200026 STATUS (TABLE) Table 1, ZN/A,29,1750,197411. 2060201200027 (DEP,20602013) 2060201200028 ENDBIB 26 0 2060201200029 NOCOMMON 0 0 2060201200030 DATA 5 1 2060201200031 EN-DUMMY DATA DATA-ERR ASSUM ASSUM-ERR 2060201200032 EV B B B B 2060201200033 0.0253 6.1100E+00 1.0000E-01 1.75 0.04 2060201200034 ENDDATA 3 0 2060201200035 ENDSUBENT 34 0 2060201299999 SUBENT 20602013 20090310 22102060201300001 BIB 4 5 2060201300002 REACTION (27-CO-59(N,TOT),,SIG) 2060201300003 SAMPLE -Spec pure. 2060201300004 STATUS (TABLE) Table 1, ZN/A,29,1750,197411. 2060201300005 HISTORY (19760615C) 2060201300006 (19761217E) 2060201300007 ENDBIB 5 0 2060201300008 NOCOMMON 0 0 2060201300009 DATA 4 1 2060201300010 EN EN-ERR DATA DATA-ERR 2060201300011 EV EV B B 2060201300012 1.8800E+01 1. 8.3500E+00 4.0000E-02 2060201300013 ENDDATA 3 0 2060201300014 ENDSUBENT 13 0 2060201399999 SUBENT 20602014 20090310 22102060201400001 BIB 7 18 2060201400002 REACTION (29-CU-0(N,EL)29-CU-0,FA,SIG,,,DERIV) 2060201400003 Value quoted at zero energy. 2060201400004 SAMPLE -Purity 99.999 % . 2060201400005 ASSUMED (ASSUM,29-CU-0(N,G),,SIG,,,EVAL) Calculated capture c-s2060201400006 at 18.8 eV, derived from thermal c-s from REL-REFs 2060201400007 under the assumption that the absorption varies as 1/v.2060201400008 CORRECTION Variation in the scattering c-s between zero energy and2060201400009 18.8 eV due to the effects of nearlyby resonances was 2060201400010 estimated to be D-SIG-s = 0.06 b. 2060201400011 REL-REF (R,,S.F.Mughabghab+,R,BNL-325,1,1973) Third edition. 2060201400012 (R,20965008,W.Dilg+,J,ZP,266,157,1974) 2060201400013 ANALYSIS -Free scattering c-s was defined as : 2060201400014 SIG-tot - SIG-cap + D-SIG-s . 2060201400015 Value of present experiment was compared with 2060201400016 recommended value from REL-REF - 7.9 +- 0.2 b for 2060201400017 2200 m/c neutrons. 2060201400018 STATUS (DEP,20602015) Dependent on total x-section. 2060201400019 (TABLE) ZN/A,29,1750,197411, Table 1 . 2060201400020 ENDBIB 18 0 2060201400021 NOCOMMON 0 0 2060201400022 DATA 4 1 2060201400023 EN-DUMMY DATA DATA-ERR ASSUM 2060201400024 EV B B B 2060201400025 0.0253 7.7000E+00 4.0000E-02 0.14 2060201400026 ENDDATA 3 0 2060201400027 ENDSUBENT 26 0 2060201499999 SUBENT 20602015 20090310 22102060201500001 BIB 4 5 2060201500002 REACTION (29-CU-0(N,TOT),,SIG) 2060201500003 SAMPLE -99.999 % . 2060201500004 STATUS (TABLE) Table 1, ZN/A,29,1750,197411. 2060201500005 HISTORY (19760615C) 2060201500006 (19761217E) 2060201500007 ENDBIB 5 0 2060201500008 NOCOMMON 0 0 2060201500009 DATA 4 1 2060201500010 EN EN-ERR DATA DATA-ERR 2060201500011 EV EV B B 2060201500012 1.8800E+01 1. 7.7800E+00 4.0000E-02 2060201500013 ENDDATA 3 0 2060201500014 ENDSUBENT 13 0 2060201599999 SUBENT 20602016 20090310 22102060201600001 BIB 7 17 2060201600002 REACTION (30-ZN-0(N,EL)30-ZN-0,FA,SIG,,,DERIV) 2060201600003 Value quoted at zero energy. 2060201600004 SAMPLE Purity 99.985 % . 2060201600005 ASSUMED (ASSUM,30-ZN-0(N,G),,SIG,,,EVAL) Calculated capture c-s2060201600006 at 18.8 eV, derived from thermal c-s from REL-REF 2060201600007 under the assumption that the absorption varies as 1/v.2060201600008 CORRECTION Variation in the scattering c-s between zero energy and2060201600009 18.8 eV due to the effects of nearlyby resonances was 2060201600010 estimated to be D-SIG-s = 0.05 b. 2060201600011 REL-REF (R,,S.F.Mughabghab+,R,BNL-325,1,1973) Third edition. 2060201600012 ANALYSIS -Free scattering c-s was defined as : 2060201600013 SIG-tot - SIG-cap + D-SIG-s . 2060201600014 Value of present experiment was compared with 2060201600015 recommended value from REL-REF - 4.2 +- 0.2 b for 2060201600016 2200 m/c neutrons. 2060201600017 STATUS (DEP,20602017) Dependent on total x-section. 2060201600018 (TABLE) ZN/A,29,1750,197411, Table 1 . 2060201600019 ENDBIB 17 0 2060201600020 NOCOMMON 0 0 2060201600021 DATA 4 1 2060201600022 EN-DUMMY DATA DATA-ERR ASSUM 2060201600023 EV B B B 2060201600024 0.0000E+00 4.1000E+00 3.0000E-02 0.04 2060201600025 ENDDATA 3 0 2060201600026 ENDSUBENT 25 0 2060201699999 SUBENT 20602017 20090310 22102060201700001 BIB 4 5 2060201700002 REACTION (30-ZN-0(N,TOT),,SIG) 2060201700003 SAMPLE 99.985 % purity . 2060201700004 STATUS (TABLE) Table 1, ZN/A,29,1750,197411. 2060201700005 HISTORY (19760615C) 2060201700006 (19761217E) 2060201700007 ENDBIB 5 0 2060201700008 NOCOMMON 0 0 2060201700009 DATA 4 1 2060201700010 EN EN-ERR DATA DATA-ERR 2060201700011 EV EV B B 2060201700012 1.8800E+01 1. 4.0900E+00 3.0000E-02 2060201700013 ENDDATA 3 0 2060201700014 ENDSUBENT 13 0 2060201799999 SUBENT 20602018 20090310 22102060201800001 BIB 7 18 2060201800002 REACTION (41-NB-93(N,EL)41-NB-93,FA,SIG,,,DERIV) 2060201800003 Value quoted at zero energy. 2060201800004 SAMPLE Purity 99.9 % . 2060201800005 ASSUMED (ASSUM,41-NB-93(N,G)41-NB-94,,SIG,,,EVAL) Calculated 2060201800006 capture c-s at 18.8 eV, derived from thermal c-s from 2060201800007 REL-REF under the assumption that the absorption varies2060201800008 as 1/v. 2060201800009 CORRECTION Variation in the scattering c-s between zero energy and2060201800010 18.8 eV due to the effects of nearlyby resonances was 2060201800011 estimated to be 0.00 b. 2060201800012 REL-REF (R,,S.F.Mughabghab+,R,BNL-325,1,1973) Third edition. 2060201800013 ADD-RES (STRUC) Spin dependent scattering lengths (free nuclei)2060201800014 derived by comparing the present data with data from 2060201800015 polarized neutron measurements : 2060201800016 A+ = 6.99+-0.04 Fermi. A- = 7.27+-0.04 Fermi (Table3).2060201800017 A+ -for I+1/2, A- -for I-1/2. I=9/2. 2060201800018 STATUS (DEP,20602019) Dependent on total x-section. 2060201800019 (TABLE) ZN/A,29,1750,197411, Table 1 . 2060201800020 ENDBIB 18 0 2060201800021 NOCOMMON 0 0 2060201800022 DATA 4 1 2060201800023 EN-DUMMY DATA DATA-ERR ASSUM 2060201800024 EV B B B 2060201800025 0.0253 6.3700E+00 4.0000E-02 0.04 2060201800026 ENDDATA 3 0 2060201800027 ENDSUBENT 26 0 2060201899999 SUBENT 20602019 20090310 22102060201900001 BIB 5 7 2060201900002 REACTION (41-NB-93(N,TOT),,SIG) 2060201900003 SAMPLE 99.9 % purity. 2060201900004 STATUS (TABLE) Table 1, ZN/A,29,1750,197411. 2060201900005 HISTORY (19760615C) 2060201900006 (19761217E) 2060201900007 CORRECTION -Correction for tungsten impurity ( less than 3 % 2060201900008 in x-section ). 2060201900009 ENDBIB 7 0 2060201900010 NOCOMMON 0 0 2060201900011 DATA 4 1 2060201900012 EN EN-ERR DATA DATA-ERR 2060201900013 EV EV B B 2060201900014 1.8800E+01 1. 6.4100E+00 4.0000E-02 2060201900015 ENDDATA 3 0 2060201900016 ENDSUBENT 15 0 2060201999999 SUBENT 20602020 20090310 22102060202000001 BIB 3 5 2060202000002 REACTION (9-F-19(N,THS)9-F-19,BA,SIG,,,DERIV) 2060202000003 Bound scattering cross section. 2060202000004 ANALYSIS Bound scattering c-s obtained from present data. 2060202000005 STATUS (TABLE) Table 2 of ZN/A,29,1750,197411. 2060202000006 (DEP,20602002) 2060202000007 ENDBIB 5 0 2060202000008 NOCOMMON 0 0 2060202000009 DATA 3 1 2060202000010 EN-DUMMY DATA DATA-ERR 2060202000011 EV B B 2060202000012 0.0253 3.964 0.016 2060202000013 ENDDATA 3 0 2060202000014 ENDSUBENT 13 0 2060202099999 SUBENT 20602021 20090310 22102060202100001 BIB 6 15 2060202100002 REACTION (9-F-19(N,THS)9-F-19,BA/COH,AMP,,,DERIV) 2060202100003 Bound-atom coherent scattering amplitude. 2060202100004 ASSUMED (ASSUM,9-F-19(N,THS)9-F-19,INC,SIG) Derived from 2060202100005 REL-REF. 2060202100006 REL-REF (R,20883001,A.Abragam+,J,PRL,28,805,1972) 2060202100007 ANALYSIS Bound-atom coherent scattering amplitude was derived 2060202100008 using value of bound scattering c-s Subent 020 and 2060202100009 bound incoherent c-s from REL-REF - ASSUM. 2060202100010 Value of present experiment was compared with 2060202100011 recommended value from BNL-325 - 5.64+-0.04 Fm for 2060202100012 2200 m/c neutrons. 2060202100013 CORRECTION Small correction for neutron-electron scattering was 2060202100014 subtracted. 2060202100015 STATUS (TABLE) Table 2 of ZN/A,29,1750,197411. 2060202100016 (DEP,20602020) 2060202100017 ENDBIB 15 0 2060202100018 NOCOMMON 0 0 2060202100019 DATA 4 1 2060202100020 EN-DUMMY DATA DATA-ERR ASSUM 2060202100021 EV FERMI FERMI B 2060202100022 0.0253 5.603 0.011 0.0004 2060202100023 ENDDATA 3 0 2060202100024 ENDSUBENT 23 0 2060202199999 SUBENT 20602022 20090310 22102060202200001 BIB 3 5 2060202200002 REACTION (13-AL-27(N,THS)13-AL-27,BA,SIG,,,DERIV) 2060202200003 Bound scattering cross section. 2060202200004 ANALYSIS Bound scattering c-s obtained from present data. 2060202200005 STATUS (TABLE) Table 2 of ZN/A,29,1750,197411. 2060202200006 (DEP,20602004) 2060202200007 ENDBIB 5 0 2060202200008 NOCOMMON 0 0 2060202200009 DATA 3 1 2060202200010 EN-DUMMY DATA DATA-ERR 2060202200011 EV B B 2060202200012 0.0253 1.525 0.003 2060202200013 ENDDATA 3 0 2060202200014 ENDSUBENT 13 0 2060202299999 SUBENT 20602023 20090310 22102060202300001 BIB 6 15 2060202300002 REACTION (13-AL-27(N,THS)13-AL-27,BA/COH,AMP,,,DERIV) 2060202300003 Bound-atom coherent scattering amplitude. 2060202300004 ASSUMED (ASSUM,13-AL-27(N,THS)13-AL-27,INC,SIG) 2060202300005 Derived from REL-REF . 2060202300006 REL-REF (R,20884001,P.Roubeau+,J,PRL,33,102,1974) 2060202300007 ANALYSIS Bound-atom coherent scattering amplitude was derived 2060202300008 using value of bound scattering c-s and ASSUM bound 2060202300009 incoherent c-s from REL-REF . 2060202300010 Value of present experiment was compared with 2060202300011 recommended value from BNL-325 - 3.449+-0.009 Fm for 2060202300012 2200 m/c neutrons. 2060202300013 CORRECTION Small correction for neutron-electron scattering was 2060202300014 subtracted. 2060202300015 STATUS (TABLE) Table 2 of ZN/A,29,1750,197411. 2060202300016 (DEP,20602022) 2060202300017 ENDBIB 15 0 2060202300018 NOCOMMON 0 0 2060202300019 DATA 5 1 2060202300020 EN-DUMMY DATA DATA-ERR ASSUM ASSUM-ERR 2060202300021 EV FERMI FERMI B B 2060202300022 0.0253 3.455 0.005 0.009 0.002 2060202300023 ENDDATA 3 0 2060202300024 ENDSUBENT 23 0 2060202399999 SUBENT 20602024 20090310 22102060202400001 BIB 3 5 2060202400002 REACTION (21-SC-45(N,THS)21-SC-45,BA,SIG,,,DERIV) 2060202400003 Bound scattering cross section. 2060202400004 ANALYSIS Bound scattering c-s obtained from present data. 2060202400005 STATUS (TABLE) Table 2 of ZN/A,29,1750,197411. 2060202400006 (DEP,20602006) 2060202400007 ENDBIB 5 0 2060202400008 NOCOMMON 0 0 2060202400009 DATA 3 1 2060202400010 EN-DUMMY DATA DATA-ERR 2060202400011 EV B B 2060202400012 0.0253 23.1 0.4 2060202400013 ENDDATA 3 0 2060202400014 ENDSUBENT 13 0 2060202499999 SUBENT 20602025 20090310 22102060202500001 BIB 6 14 2060202500002 REACTION (21-SC-45(N,THS)21-SC-45,BA/COH,AMP,,,DERIV) 2060202500003 Bound-atom coherent scattering amplitude. 2060202500004 ASSUMED (ASSUM,21-SC-45(N,THS)21-SC-45,INC,SIG)From REL-REF . 2060202500005 REL-REF (R,20884001,P.Roubeau+,J,PRL,33,102,1974) 2060202500006 ANALYSIS Bound-atom coherent scattering amplitude was derived 2060202500007 using value of bound scattering c-s and bound 2060202500008 incoherent c-s derived from REL-REF - ASSUM. 2060202500009 Value of present experiment was compared with 2060202500010 recommended value from BNL-325 - 11.8+-0.5 Fm for 2060202500011 2200 m/c neutrons. 2060202500012 CORRECTION Small correction for neutron-electron scattering was 2060202500013 subtracted. 2060202500014 STATUS (TABLE) Table 2 of ZN/A,29,1750,197411. 2060202500015 (DEP,20602024) 2060202500016 ENDBIB 14 0 2060202500017 NOCOMMON 0 0 2060202500018 DATA 5 1 2060202500019 EN-DUMMY DATA DATA-ERR ASSUM ASSUM-ERR 2060202500020 EV FERMI FERMI B B 2060202500021 0.0253 12.15 0.13 4.45 0.22 2060202500022 ENDDATA 3 0 2060202500023 ENDSUBENT 22 0 2060202599999 SUBENT 20602026 20090310 22102060202600001 BIB 3 5 2060202600002 REACTION (26-FE-0(N,THS)26-FE-0,BA,SIG,,,DERIV) 2060202600003 Bound scattering cross section. 2060202600004 ANALYSIS Bound scattering c-s obtained from present data. 2060202600005 STATUS (TABLE) Table 2 of ZN/A,29,1750,197411. 2060202600006 (DEP,20602010) 2060202600007 ENDBIB 5 0 2060202600008 NOCOMMON 0 0 2060202600009 DATA 3 1 2060202600010 EN-DUMMY DATA DATA-ERR 2060202600011 EV B B 2060202600012 0.0253 11.74 0.04 2060202600013 ENDDATA 3 0 2060202600014 ENDSUBENT 13 0 2060202699999 SUBENT 20602027 20090310 22102060202700001 BIB 6 15 2060202700002 REACTION (26-FE-0(N,THS)26-FE-0,BA/COH,AMP,,,DERIV) 2060202700003 Bound-atom coherent scattering amplitude. 2060202700004 ASSUMED (ASSUM,26-FE-0(N,THS)26-FE-0,INC,SIG) From REL-REF . 2060202700005 REL-REF (R,,W.Dilg+,J,ZN/A,26,442,1971) 2060202700006 ANALYSIS Bound-atom coherent scattering amplitude was derived 2060202700007 using value of bound scattering c-s and bound 2060202700008 incoherent c-s ASSUM estimated using isotopic 2060202700009 scattering lengths from REL-REF. 2060202700010 Value of present experiment was compared with 2060202700011 recommended value from BNL-325 - 9.51+-0.05 Fm for 2060202700012 2200 m/c neutrons. 2060202700013 STATUS (TABLE) Table 2 of ZN/A,29,1750,197411. 2060202700014 CORRECTION Small correction for neutron-electron scattering was 2060202700015 subtracted. 2060202700016 (DEP,20602026) 2060202700017 ENDBIB 15 0 2060202700018 NOCOMMON 0 0 2060202700019 DATA 5 1 2060202700020 EN-DUMMY DATA DATA-ERR ASSUM ASSUM-ERR 2060202700021 EV FERMI FERMI B B 2060202700022 0.0253 9.45 0.02 0.42 0.03 2060202700023 ENDDATA 3 0 2060202700024 ENDSUBENT 23 0 2060202799999 SUBENT 20602028 20090310 22102060202800001 BIB 3 5 2060202800002 REACTION (29-CU-0(N,THS)29-CU-0,BA,SIG,,,DERIV) 2060202800003 Bound scattering cross section. 2060202800004 ANALYSIS Bound scattering c-s obtained from present data. 2060202800005 STATUS (TABLE) Table 2 of ZN/A,29,1750,197411. 2060202800006 (DEP,20602014) 2060202800007 ENDBIB 5 0 2060202800008 NOCOMMON 0 0 2060202800009 DATA 3 1 2060202800010 EN-DUMMY DATA DATA-ERR 2060202800011 EV B B 2060202800012 0.0253 7.954 0.04 2060202800013 ENDDATA 3 0 2060202800014 ENDSUBENT 13 0 2060202899999 SUBENT 20602029 20090310 22102060202900001 BIB 5 13 2060202900002 REACTION (29-CU-0(N,THS)29-CU-0,BA/COH,AMP,,,DERIV) 2060202900003 Bound-atom coherent scattering amplitude. 2060202900004 ASSUMED (ASSUM,29-CU-0(N,THS)29-CU-0,INC,SIG) 2060202900005 ANALYSIS Bound-atom coherent scattering amplitude was derived 2060202900006 using value of bound scattering c-s and bound 2060202900007 incoherent c-s - ASSUM. 2060202900008 Value of present experiment was compared with 2060202900009 recommended value from BNL-325 - 7.63+-0.04 Fm for 2060202900010 2200 m/c neutrons. 2060202900011 CORRECTION Small correction for neutron-electron scattering was 2060202900012 subtracted. 2060202900013 STATUS (TABLE) Table 2 of ZN/A,29,1750,197411. 2060202900014 (DEP,20602028) 2060202900015 ENDBIB 13 0 2060202900016 NOCOMMON 0 0 2060202900017 DATA 5 1 2060202900018 EN-DUMMY DATA DATA-ERR ASSUM ASSUM-ERR 2060202900019 EV FERMI FERMI B B 2060202900020 0.0253 7.61 0.03 0.59 0.04 2060202900021 ENDDATA 3 0 2060202900022 ENDSUBENT 21 0 2060202999999 SUBENT 20602030 20090310 22102060203000001 BIB 3 5 2060203000002 REACTION (30-ZN-0(N,THS)30-ZN-0,BA,SIG,,,DERIV) 2060203000003 Bound scattering cross section. 2060203000004 ANALYSIS Bound scattering c-s obtained from present data. 2060203000005 STATUS (TABLE) Table 2 of ZN/A,29,1750,197411. 2060203000006 (DEP,20602016) 2060203000007 ENDBIB 5 0 2060203000008 NOCOMMON 0 0 2060203000009 DATA 3 1 2060203000010 EN-DUMMY DATA DATA-ERR 2060203000011 EV B B 2060203000012 0.0253 4.23 0.03 2060203000013 ENDDATA 3 0 2060203000014 ENDSUBENT 13 0 2060203099999 SUBENT 20602031 20090310 22102060203100001 BIB 5 14 2060203100002 REACTION (30-ZN-0(N,THS)30-ZN-0,BA/COH,AMP,,,DERIV) 2060203100003 Bound-atom coherent scattering amplitude. 2060203100004 ASSUMED (ASSUM,30-ZN-0(N,THS)30-ZN-0,INC,SIG) 2060203100005 ANALYSIS Bound-atom coherent scattering amplitude was derived 2060203100006 using value of bound scattering c-s and bound 2060203100007 incoherent c-s ASSUM estimated using isotopic 2060203100008 scattering lengths. 2060203100009 Value of present experiment was compared with 2060203100010 recommended value from BNL-325 - 5.8 +- 0.1 Fm for 2060203100011 2200 m/c neutrons. 2060203100012 CORRECTION Small correction for neutron-electron scattering was 2060203100013 subtracted. 2060203100014 STATUS (TABLE) Table 2 of ZN/A,29,1750,197411. 2060203100015 (DEP,20602030) 2060203100016 ENDBIB 14 0 2060203100017 NOCOMMON 0 0 2060203100018 DATA 4 1 2060203100019 EN-DUMMY DATA DATA-ERR ASSUM-MAX 2060203100020 EV FERMI FERMI B 2060203100021 0.0253 5.73 0.04 0.08 2060203100022 ENDDATA 3 0 2060203100023 ENDSUBENT 22 0 2060203199999 SUBENT 20602032 20090310 22102060203200001 BIB 3 5 2060203200002 REACTION (41-NB-93(N,THS)41-NB-93,BA,SIG,,,DERIV) 2060203200003 Bound scattering cross section. 2060203200004 ANALYSIS Bound scattering c-s obtained from present data. 2060203200005 STATUS (TABLE) Table 2 of ZN/A,29,1750,197411. 2060203200006 (DEP,20602018) 2060203200007 ENDBIB 5 0 2060203200008 NOCOMMON 0 0 2060203200009 DATA 3 1 2060203200010 EN-DUMMY DATA DATA-ERR 2060203200011 EV B B 2060203200012 0.0253 6.51 0.04 2060203200013 ENDDATA 3 0 2060203200014 ENDSUBENT 13 0 2060203299999 SUBENT 20602033 20090310 22102060203300001 BIB 6 15 2060203300002 REACTION (41-NB-93(N,THS)41-NB-93,BA/COH,AMP,,,DERIV) 2060203300003 Bound-atom coherent scattering amplitude. 2060203300004 ASSUMED (ASSUM,41-NB-93(N,THS)41-NB-93,INC,SIG) 2060203300005 Derived from REL-REF. 2060203300006 REL-REF (R,20884001,P.Roubeau+,J,PRL,33,102,1974) 2060203300007 ANALYSIS Bound-atom coherent scattering amplitude was derived 2060203300008 using value of bound scattering c-s and bound 2060203300009 incoherent c-s from REL-REFs - ASSUM. 2060203300010 Value of present experiment was compared with 2060203300011 recommended value from BNL-325 - 7.11+-0.04 Fm for 2060203300012 2200 m/c neutrons. 2060203300013 CORRECTION Small correction for neutron-electron scattering was 2060203300014 subtracted. 2060203300015 STATUS (TABLE) Table 2 of ZN/A,29,1750,197411. 2060203300016 (DEP,20602032) 2060203300017 ENDBIB 15 0 2060203300018 NOCOMMON 0 0 2060203300019 DATA 5 1 2060203300020 EN-DUMMY DATA DATA-ERR ASSUM ASSUM-ERR 2060203300021 EV FERMI FERMI B B 2060203300022 0.0253 7.14 0.03 0.0024 0.0003 2060203300023 ENDDATA 3 0 2060203300024 ENDSUBENT 23 0 2060203399999 ENDENTRY 33 0 2060299999999