ENTRY 23306 20211215 23052330600000001 SUBENT 23306001 20211215 23052330600100001 BIB 10 51 2330600100002 TITLE Stellar neutron capture cross sections of 41K and 45Sc2330600100003 AUTHOR (M.Heil, R.Plag, E.Uberseder, S.Bisterzo, F.Kaeppeler, 2330600100004 A.Mengoni, M.Pignatari) 2330600100005 REFERENCE (J,PR/C,93,055807,2016) Main reference, data are given 2330600100006 #doi:10.1103/PhysRevC.93.055807 2330600100007 Preliminary data in M.Heil et al.,Pub.Astron.Soc.Aust.2330600100008 26, 243 (2009). 2330600100009 (R,INDC(GER)-0053,2021) Revised values of Karlsruhe 2330600100010 cross sections. 2330600100011 INSTITUTE (2GERKFK) F.Kaeppeler 2330600100012 (2GERGSI) M.Heil, R.Plag 2330600100013 (1USANOT) E.Uberseder 2330600100014 (2ITYTUR) INFN, Sezione di Torino, Via P. Giuria 1, 2330600100015 10125 Torino, Italy. 2330600100016 S.Bisterzo 2330600100017 (2ITYITY) INAF, Astrophysical Observatory of Turin, 2330600100018 10025 Pino Torinese, Italy. 2330600100019 S.Bisterzo 2330600100020 (2ZZZCER) A.Mengoni 2330600100021 (2UK UK) E.A.Milne Centre for Astrophysics, Department 2330600100022 of Physics and Mathematics, University of Hull, Hull 2330600100023 HU6 7RX, United Kingdom. M.Pignatari 2330600100024 (3HUNHUN) Konkoly Observatory, Research Centre for 2330600100025 Astronomy and Earth Sciences, Hungarian Academy of 2330600100026 Sciences, H-1121 Budapest, Hungary. M.Pignatari 2330600100027 FACILITY (VDG,2GERKFK) Karlsruhe 3.7 MV Van de Graaff 2330600100028 INC-SOURCE (P-LI7) Metallic Li layer 30 um in thickness, 2330600100029 evaporated onto a water-cooled Cu backing. 2330600100030 Proton beam energy 1912 keV, intensities of typically 2330600100031 100 uA. The neutron yield (2-3) * 10**9 1/s 2330600100032 SAMPLE Sc high-purity metal foils of 30 um thickness. 2330600100033 KBr fine powder pressed into pellets of ~0.25 and 2330600100034 0.5 mm thickness. 2330600100035 30-um thick Au monitor foils of the same diameter. 2330600100036 DETECTOR (HPGE) Well-shielded high-purity germanium (HPGe) 2330600100037 detector of 30% relative efficiency was used to measure2330600100038 the induced activity . Distance sample-detector 76mm. 2330600100039 The gamma efficiency was calibrated with a set of 2330600100040 standard sources with uncertainty 2.% in 400-1200 keV 2330600100041 energy range. 2330600100042 (GLASD) The neutron flux is monitored throughout the 2330600100043 irradiation by means of a Li-6 glass detector, 2330600100044 positioned at a distance of 83 cm from the target. 2330600100045 CORRECTION For neutron flux variation and decay during activation 2330600100046 factor fb. 2330600100047 For gamma-ray self-absorption ( Kgamma) in the sample -2330600100048 losses were negligible for Sc and Au and 2330600100049 well below 2% for the thicker KBr sample. 2330600100050 HISTORY (20160928C) M.M. 2330600100051 (20211215A) SD: Corrections in all Subents. 2330600100052 Subents 010-017 added. 2330600100053 ENDBIB 51 0 2330600100054 NOCOMMON 0 0 2330600100055 ENDSUBENT 54 0 2330600199999 SUBENT 23306002 20211215 23052330600200001 BIB 5 8 2330600200002 REACTION (21-SC-45(N,G)21-SC-46,,SIG,,MXW) 2330600200003 INC-SPECT Maxwell-Boltzmann neutron energy distribution 2330600200004 ERR-ANALYS (DATA-ERR) Total uncertainty.See details in Subent 004.2330600200005 STATUS (TABLE) Abstract of Phys.Rev.,C93(2016) 055807 This 2330600200006 Subent supersedes data 22928.002. 2330600200007 (OUTDT) Update with the new gold standard (681 mb) 2330600200008 not done in INDC(GER) -0053 2330600200009 HISTORY (20211215U) SD: STATUS updated. 2330600200010 ENDBIB 8 0 2330600200011 NOCOMMON 0 0 2330600200012 DATA 3 1 2330600200013 KT DATA DATA-ERR 2330600200014 KEV MB MB 2330600200015 30. 61.3 1.8 2330600200016 ENDDATA 3 0 2330600200017 ENDSUBENT 16 0 2330600299999 SUBENT 23306003 20211215 23052330600300001 BIB 5 7 2330600300002 REACTION (19-K-41(N,G)19-K-42,,SIG,,MXW) 2330600300003 INC-SPECT Maxwell-Boltzmann neutron energy distribution 2330600300004 ERR-ANALYS (DATA-ERR) Total uncertainty.See details in Subent 005.2330600300005 STATUS (TABLE) Abstract of Phys.Rev.,C93(2016)055807 2330600300006 (OUTDT) Update with the new gold standard (681 mb) 2330600300007 not done in INDC(GER) -0053 2330600300008 HISTORY (20211215U) SD: STATUS updated. 2330600300009 ENDBIB 7 0 2330600300010 NOCOMMON 0 0 2330600300011 DATA 3 1 2330600300012 KT DATA DATA-ERR 2330600300013 KEV MB MB 2330600300014 30. 19.2 0.6 2330600300015 ENDDATA 3 0 2330600300016 ENDSUBENT 15 0 2330600399999 SUBENT 23306004 20211215 23052330600400001 BIB 13 45 2330600400002 REACTION (21-SC-45(N,G)21-SC-46,,SIG,,SPA) 2330600400003 INC-SPECT Quasi-Maxwell-Boltzmann neutron energy distribution 2330600400004 SAMPLE Sc high-purity metal foils of 30 um thickness. 2330600400005 30-um thick Au monitor foils of the same diameter. 2330600400006 METHOD (ACTIV) 2330600400007 Sc metal samples: 1 2 3 2330600400008 Mass,mg 2.43 6.37 9.57 2330600400009 Diameter,mm 6. 10. 12. 2330600400010 Irradiation time,min 2829. 4148. 2829. 2330600400011 Neutron fluence,10**14 5.019 3.352 1.855 2330600400012 DECAY-DATA ((6.)21-SC-46-G,120658.MIN,DG,889.28,0.99984) 2330600400013 ((7.)21-SC-46-G,120658.MIN,DG,1120.55,0.99987) 2330600400014 120658.+-58. min, 99.984+-0.001%, 99.987+-0.001% 2330600400015 REL-REF (R,,S.-C.Wu,J,NDS,91,1,2000) Decay data for Sc-46 2330600400016 (R,,Z.Chunmei,J,NDS,95,59,2002) Decay data for Au-198 2330600400017 FLAG (1.) Sample 1, Kgamma=1.00 2330600400018 (2.) Sample 2 2330600400019 (3.) Sample 3 2330600400020 MONITOR (79-AU-197(N,G)79-AU-198,,SIG,,SPA) 2330600400021 Au SACS were obtained by folding of energy dependent 2330600400022 gold cross section from KADoNiS with the quasistellar 2330600400023 neutron spectrum used in this work. 2330600400024 Value was used for neutron fluence determination. 2330600400025 MONIT-REF (,I.Dillmann+,J,NDS,120,171,2014) KADoNiS v1.0 2330600400026 DECAY-MON (79-AU-198-G,3881.1MIN,DG,411.8,0.9558) 2330600400027 3881.1+-0.3 min , 95.58+-0.12 % . 2330600400028 ERR-ANALYS (ERR-S) Statistical uncertainty. 2330600400029 (ERR-SYS) Total systematical uncertainty - 2.7 %. 2330600400030 Sources of uncertainties: 2330600400031 (MONIT-ERR) Gold cross section - 1.4% . 2330600400032 (ERR-1) Number of nuclei for Au 2330600400033 (ERR-2) Number of nuclei for Sc 2330600400034 (ERR-3,,0.1) Time factors for Au 2330600400035 (ERR-4,,0.1) Time factors for Sc 2330600400036 (ERR-5,,0.1) Self-absorption for Au 2330600400037 (ERR-6,,0.1) Self-absorption for Sc 2330600400038 (ERR-7) Detector efficiency for Au 2330600400039 (ERR-8) Detector efficiency for Sc 2330600400040 (ERR-9) Gamma intensity per decay for Au 2330600400041 (ERR-10,,0.01) Gamma intensity per decay for Sc 2330600400042 (ERR-11) Neutron fluence 2330600400043 STATUS (TABLE) Table IV ( data), Table III ( uncertainties) 2330600400044 of Phys.Rev.,C93(2016)055807 2330600400045 (SPSDD,23306010) Renormalized. 2330600400046 HISTORY (20211215A) SD: Subent superseded. 2330600400047 ENDBIB 45 0 2330600400048 COMMON 10 6 2330600400049 KT MONIT MONIT-ERR ERR-HL ERR-1 ERR-2 2330600400050 ERR-7 ERR-8 ERR-9 ERR-11 2330600400051 KEV MB MB MIN PER-CENT PER-CENT 2330600400052 PER-CENT PER-CENT PER-CENT PER-CENT 2330600400053 25. 632. 9. 58. 0.6 0.4 2330600400054 1.5 1.5 0.13 2.2 2330600400055 ENDCOMMON 6 0 2330600400056 DATA 5 6 2330600400057 DATA ERR-S ERR-SYS DECAY-FLAG FLAG 2330600400058 MB MB MB NO-DIM NO-DIM 2330600400059 64.0 0.9 1.8 6. 1. 2330600400060 66.5 1.0 1.9 7. 1. 2330600400061 64.4 0.7 1.8 6. 2. 2330600400062 65.8 0.7 1.8 7. 2. 2330600400063 65.0 0.7 1.8 6. 3. 2330600400064 64.7 0.8 1.8 7. 3. 2330600400065 ENDDATA 8 0 2330600400066 ENDSUBENT 65 0 2330600499999 SUBENT 23306005 20211215 23052330600500001 BIB 13 44 2330600500002 REACTION (19-K-41(N,G)19-K-42,,SIG,,SPA) 2330600500003 INC-SPECT Quasi-Maxwell-Boltzmann neutron energy distribution 2330600500004 SAMPLE KBr fine powder pressed into pellets of ~0.25 and 2330600500005 0.5 mm thickness. 2330600500006 30-um thick Au monitor foils of the same diameter. 2330600500007 METHOD (ACTIV) 2330600500008 KBr samples: 4 5 2330600500009 Mass,mg 98.70 733.27 2330600500010 Diameter,mm 6 12 2330600500011 Irradiation time,min 156 1118 2330600500012 Neutron fluence,10**14 0.2681 0.7069 2330600500013 DECAY-DATA (19-K-42,741.6MIN,DG,1524.6,0.1808) 2330600500014 741.6+-0.72 min, 18.08+-0.09 % 2330600500015 REL-REF (R,,B.Singh+,J,NDS,92,1,2001) Decay data for K-42 2330600500016 (R,,Z.Chunmei,J,NDS,95,59,2002) Decay data for Au-198 2330600500017 FLAG (4.) Sample 4, Kgamma=0.99 2330600500018 (5.) Sample 5, Kgamma=0.98 2330600500019 MONITOR (79-AU-197(N,G)79-AU-198,,SIG,,SPA) 2330600500020 Au SACS were obtained by folding of energy dependent 2330600500021 gold cross section from KADoNiS with the quasistellar 2330600500022 neutron spectrum used in this work. 2330600500023 Value was used for neutron fluence determination. 2330600500024 MONIT-REF (,I.Dillmann+,J,NDS,120,171,2014) KADoNiS v1.0 2330600500025 DECAY-MON (79-AU-198-G,3881.1MIN,DG,411.8,0.9558) 2330600500026 3881.1+-0.3 min , 95.58+-0.12 % . 2330600500027 ERR-ANALYS (ERR-S) Statistical uncertainty. 2330600500028 (ERR-SYS) Total systematical uncertainty - 2.7 %. 2330600500029 Sources of uncertainties: 2330600500030 (MONIT-ERR) Gold cross section - 1.4% . 2330600500031 (ERR-1) Number of nuclei for Au 0.6% 2330600500032 (ERR-2) Number of nuclei for K 0.1 2330600500033 (ERR-3,,0.1) Time factors for Au 2330600500034 (ERR-4,,0.1) Time factors for K 2330600500035 (ERR-5,,0.1) Self-absorption for Au 2330600500036 (ERR-6,,0.1) Self-absorption for K 2330600500037 (ERR-7) Detector efficiency for Au 1.5 2330600500038 (ERR-8) Detector efficiency for K 1.5 2330600500039 (ERR-9) Gamma intensity per decay for Au 0.13 2330600500040 (ERR-10) Gamma intensity per decay for K 0.5 2330600500041 (ERR-11) Neutron fluence 2.2 2330600500042 STATUS (TABLE) Table IV ( data) , Table III ( uncertainties) 2330600500043 of Phys.Rev.,C93(2016)055807 2330600500044 (SPSDD,23306011) Renormalized. 2330600500045 HISTORY (20211215A) SD: Subent superseded. 2330600500046 ENDBIB 44 0 2330600500047 COMMON 10 6 2330600500048 KT MONIT MONIT-ERR ERR-1 ERR-2 ERR-7 2330600500049 ERR-8 ERR-9 ERR-10 ERR-11 2330600500050 KEV MB MB PER-CENT PER-CENT PER-CENT 2330600500051 PER-CENT PER-CENT PER-CENT PER-CENT 2330600500052 25. 632. 9. 0.6 0.1 1.52330600500053 1.5 0.13 0.5 2.2 2330600500054 ENDCOMMON 6 0 2330600500055 DATA 4 2 2330600500056 DATA ERR-S ERR-SYS FLAG 2330600500057 MB MB MB NO-DIM 2330600500058 22.0 1.6 0.7 4. 2330600500059 21.8 0.5 0.6 5. 2330600500060 ENDDATA 4 0 2330600500061 ENDSUBENT 60 0 2330600599999 SUBENT 23306006 20211215 23052330600600001 BIB 6 10 2330600600002 REACTION (21-SC-45(N,G)21-SC-46,,SIG,,SPA) 2330600600003 ANALYSIS Average value of 6 directly measured spectrum-averaged2330600600004 cross section. 2330600600005 INC-SPECT Quasi-Maxwell-Boltzmann neutron energy distribution 2330600600006 ERR-ANALYS (DATA-ERR) Total uncertainty 2330600600007 STATUS (TABLE) Tables IV, V, VI of Phys.Rev.,C93(2016)055807 2330600600008 (DEP,23306004) Directly measured data. 2330600600009 (OUTDT) Update with the new gold standard (622.7 mb) 2330600600010 not done in INDC(GER) -0053 2330600600011 HISTORY (20211215U) SD: STATUS updated. 2330600600012 ENDBIB 10 0 2330600600013 COMMON 1 3 2330600600014 KT 2330600600015 KEV 2330600600016 25. 2330600600017 ENDCOMMON 3 0 2330600600018 DATA 2 1 2330600600019 DATA DATA-ERR 2330600600020 MB MB 2330600600021 65.0 1.8 2330600600022 ENDDATA 3 0 2330600600023 ENDSUBENT 22 0 2330600699999 SUBENT 23306007 20211215 23052330600700001 BIB 6 10 2330600700002 REACTION (19-K-41(N,G)19-K-42,,SIG,,SPA) 2330600700003 ANALYSIS Average value of 2 directly measured spectrum-averaged2330600700004 cross section. 2330600700005 INC-SPECT Quasi-Maxwell-Boltzmann neutron energy distribution 2330600700006 ERR-ANALYS (DATA-ERR) Total uncertainty 2330600700007 STATUS (TABLE) Tables IV, V, VI of Phys.Rev.,C93(2016)055807 2330600700008 (DEP,23306005) Directly measured data. 2330600700009 (OUTDT) Update with the new gold standard (622.7 mb) 2330600700010 not done in INDC(GER) -0053 2330600700011 HISTORY (20211215U) SD: STATUS updated. 2330600700012 ENDBIB 10 0 2330600700013 COMMON 1 3 2330600700014 KT 2330600700015 KEV 2330600700016 25. 2330600700017 ENDCOMMON 3 0 2330600700018 DATA 2 1 2330600700019 DATA DATA-ERR 2330600700020 MB MB 2330600700021 21.9 0.8 2330600700022 ENDDATA 3 0 2330600700023 ENDSUBENT 22 0 2330600799999 SUBENT 23306008 20211215 23052330600800001 BIB 6 14 2330600800002 REACTION (21-SC-45(N,G)21-SC-46,,SIG,,MXW,DERIV) 2330600800003 ANALYSIS The present results were used to normalize the 2330600800004 evaluated cross sections . 2330600800005 MISC-COL (MISC1) JEFF-3.3 normalized to present exp. data 2330600800006 (MISC2) ENDF/B-7.1 normalized to present exp. data 2330600800007 (MISC3) JENDL-3.3 normalized to present exp. data 2330600800008 (MISC4) KADoNiS renormalized to present gold reference 2330600800009 cross section. 2330600800010 ERR-ANALYS (DATA-ERR) Total uncertainty 2330600800011 STATUS (TABLE) Table VIII of Phys.Rev.,C93(2016)055807 2330600800012 (DEP,23306006) Measured SACS data for kT=25 keV. 2330600800013 (OUTDT) Update with the new gold standard (681. mb) 2330600800014 not done in INDC(GER) -0053 2330600800015 HISTORY (20211215U) SD: STATUS updated. 2330600800016 ENDBIB 14 0 2330600800017 NOCOMMON 0 0 2330600800018 DATA 8 11 2330600800019 KT DATA DATA-ERR MISC1 MISC2 MISC3 2330600800020 MISC4 MISC4-ERR 2330600800021 KEV MB MB MB MB MB 2330600800022 MB MB 2330600800023 5. 175. 5. 176. 174. 176. 2330600800024 240. 2330600800025 10. 124. 4. 124. 124. 124. 2330600800026 162. 2330600800027 15. 96.4 2.8 96.7 95.8 96.7 2330600800028 122. 2330600800029 20. 80.1 2.3 80.5 79.2 80.6 2330600800030 100. 2330600800031 25. 69.1 2.0 69.3 68.2 69.8 2330600800032 84. 2330600800033 30. 61.3 1.8 61.3 60.5 62.0 2330600800034 73. 5. 2330600800035 40. 50.7 1.5 50.0 50.6 51.4 2330600800036 57. 2330600800037 50. 43.8 1.7 42.6 44.3 44.4 2330600800038 46. 2330600800039 60. 38.8 2.2 37.1 39.7 39.5 2330600800040 40. 2330600800041 80. 31.9 2.2 29.9 33.0 32.7 2330600800042 33. 2330600800043 100. 27.2 2.1 25.2 28.0 28.3 2330600800044 28. 2330600800045 ENDDATA 26 0 2330600800046 ENDSUBENT 45 0 2330600899999 SUBENT 23306009 20211215 23052330600900001 BIB 6 14 2330600900002 REACTION (19-K-41(N,G)19-K-42,,SIG,,MXW,DERIV) 2330600900003 ANALYSIS The present results were used to normalize the 2330600900004 evaluated cross sections from JEFF-3.2 and JENDL-4.2 2330600900005 with factors of 1.54 and 0.61 , respectively. 2330600900006 This yields to identical MACS data independent of kT 2330600900007 for two eval. libraries. 2330600900008 MISC-COL (MISC) KADoNiS renormalized to present gold reference 2330600900009 cross section. 2330600900010 ERR-ANALYS (DATA-ERR) Total uncertainty 2330600900011 STATUS (TABLE) Table VII of Phys.Rev.,C93(2016)055807 2330600900012 (DEP,23306007) Measured SACS data for kT=25 keV. 2330600900013 (OUTDT) Update with the new gold standard (681. mb) 2330600900014 not done in INDC(GER) -0053 2330600900015 HISTORY (20211215U) SD: STATUS updated. 2330600900016 ENDBIB 14 0 2330600900017 NOCOMMON 0 0 2330600900018 DATA 5 11 2330600900019 KT DATA DATA-ERR MISC MISC-ERR 2330600900020 KEV MB MB MB MB 2330600900021 5. 98.4 2.8 92.8 2330600900022 10. 54.7 1.6 52.0 2330600900023 15. 38.1 1.1 37.6 2330600900024 20. 28.8 0.8 30.4 2330600900025 25. 23.0 0.7 26.0 2330600900026 30. 19.2 0.6 23.2 0.8 2330600900027 40. 16.6 0.5 19.7 2330600900028 50. 12.6 0.4 17.6 2330600900029 60. 11.2 0.4 16.1 2330600900030 80. 9.8 0.3 14.2 2330600900031 100. 9.1 0.3 12.8 2330600900032 ENDDATA 13 0 2330600900033 ENDSUBENT 32 0 2330600999999 SUBENT 23306010 20211215 23052330601000001 BIB 15 39 2330601000002 REACTION (21-SC-45(N,G)21-SC-46,,SIG,,SPA) 2330601000003 INC-SPECT Quasi-Maxwell-Boltzmann neutron energy distribution 2330601000004 SAMPLE Sc high-purity metal foils of 30 um thickness. 2330601000005 30-um thick Au monitor foils of the same diameter. 2330601000006 METHOD (ACTIV) 2330601000007 Sc metal samples: 1 2 3 2330601000008 Mass,mg 2.43 6.37 9.57 2330601000009 Diameter,mm 6. 10. 12. 2330601000010 Irradiation time,min 2829. 4148. 2829. 2330601000011 Neutron fluence,10**14 5.019 3.352 1.855 2330601000012 ANALYSIS Cross section value in Subent 23306.004 is 2330601000013 renormalized for new gold cross section. 2330601000014 Revised data: 2330601000015 Measured quantity: cross section ratio 2330601000016 45Sc/197Au = 0.1030+-0.0026 2330601000017 DECAY-DATA ((6.)21-SC-46-G,120658.MIN,DG,889.28,0.99984) 2330601000018 ((7.)21-SC-46-G,120658.MIN,DG,1120.55,0.99987) 2330601000019 120658.+-58. min, 99.984+-0.001%, 99.987+-0.001% 2330601000020 REL-REF (R,,S.-C.Wu,J,NDS,91,1,2000) Decay data for Sc-46 2330601000021 (R,,Z.Chunmei,J,NDS,95,59,2002) Decay data for Au-198 2330601000022 FLAG (1.) Sample 1, Kgamma=1.00 2330601000023 (2.) Sample 2 2330601000024 (3.) Sample 3 2330601000025 MONITOR (79-AU-197(N,G)79-AU-198,,SIG,,SPA) 2330601000026 DECAY-MON (79-AU-198-G,3881.0MIN,DG,411.80,0.9558) 2330601000027 MONIT-REF (,R.Reifarth+,J,EPJ/P,133,424,2018) 2330601000028 CORRECTION Correction for revised gold standard: 622.7/632 =0.9852330601000029 ERR-ANALYS (ERR-S) Statistical uncertainty. 2330601000030 (ERR-SYS) Total systematical uncertainty - 2.7 %. 2330601000031 Sources of uncertainties: 2330601000032 (MONIT-ERR) Gold cross section 2330601000033 (ERR-2) Number of nuclei for Sc 2330601000034 (ERR-4,,0.1) Time factors for Sc 2330601000035 (ERR-6,,0.1) Self-absorption for Sc 2330601000036 (ERR-8) Detector efficiency for Sc 2330601000037 (ERR-10,,0.01) Gamma intensity per decay for Sc 2330601000038 (ERR-11) Neutron fluence 2330601000039 STATUS (TABLE) Table on p.403 from INDC(GER)-0053 2330601000040 HISTORY (20211215C) SD 2330601000041 ENDBIB 39 0 2330601000042 COMMON 7 6 2330601000043 KT-DUMMY MONIT MONIT-ERR ERR-HL ERR-2 ERR-8 2330601000044 ERR-11 2330601000045 KEV MB MB MIN PER-CENT PER-CENT 2330601000046 PER-CENT 2330601000047 25. 622.7 6. 58. 0.4 1.52330601000048 2.2 2330601000049 ENDCOMMON 6 0 2330601000050 DATA 5 6 2330601000051 DATA ERR-S ERR-SYS DECAY-FLAG FLAG 2330601000052 MB MB MB NO-DIM NO-DIM 2330601000053 63.0 0.9 1.6 6. 1. 2330601000054 65.5 1.0 1.7 7. 1. 2330601000055 63.4 0.7 1.6 6. 2. 2330601000056 64.8 0.7 1.6 7. 2. 2330601000057 64.0 0.7 1.6 6. 3. 2330601000058 63.7 0.8 1.6 7. 3. 2330601000059 ENDDATA 8 0 2330601000060 ENDSUBENT 59 0 2330601099999 SUBENT 23306011 20211215 23052330601100001 BIB 15 38 2330601100002 REACTION (19-K-41(N,G)19-K-42,,SIG,,SPA) 2330601100003 INC-SPECT Quasi-Maxwell-Boltzmann neutron energy distribution 2330601100004 SAMPLE KBr fine powder pressed into pellets of ~0.25 and 2330601100005 0.5 mm thickness. 2330601100006 30-um thick Au monitor foils of the same diameter. 2330601100007 ANALYSIS Cross section value in Subent 23306.005 is 2330601100008 renormalized for new gold cross section. 2330601100009 Revised data: 2330601100010 Measured quantity: cross section ratio 2330601100011 41K/197Au = 0.0347+-0.0014 2330601100012 METHOD (ACTIV) 2330601100013 KBr samples: 4 5 2330601100014 Mass,mg 98.70 733.27 2330601100015 Diameter,mm 6 12 2330601100016 Irradiation time,min 156 1118 2330601100017 Neutron fluence,10**14 0.2681 0.7069 2330601100018 DECAY-DATA (19-K-42,741.6MIN,DG,1524.6,0.1808) 2330601100019 741.6+-0.72 min, 18.08+-0.09 % 2330601100020 REL-REF (R,,B.Singh+,J,NDS,92,1,2001) Decay data for K-42 2330601100021 (R,,Z.Chunmei,J,NDS,95,59,2002) Decay data for Au-198 2330601100022 FLAG (4.) Sample 4, Kgamma=0.99 2330601100023 (5.) Sample 5, Kgamma=0.98 2330601100024 MONITOR (79-AU-197(N,G)79-AU-198,,SIG,,SPA) 2330601100025 DECAY-MON (79-AU-198-G,3881.0MIN,DG,411.80,0.9558) 2330601100026 MONIT-REF (,R.Reifarth+,J,EPJ/P,133,424,2018) 2330601100027 CORRECTION Correction for revised gold standard: 622.7/632 =0.9852330601100028 ERR-ANALYS (ERR-S) Statistical uncertainty. 2330601100029 (ERR-SYS) Total systematical uncertainty - 2.7 %. 2330601100030 Sources of uncertainties: 2330601100031 (MONIT-ERR) Gold cross section 2330601100032 (ERR-2) Number of nuclei for K 0.1 2330601100033 (ERR-4,,0.1) Time factors for K 2330601100034 (ERR-6,,0.1) Self-absorption for K 2330601100035 (ERR-8) Detector efficiency for K 1.5 2330601100036 (ERR-10) Gamma intensity per decay for K 0.5 2330601100037 (ERR-11) Neutron fluence 2.2 2330601100038 STATUS (TABLE) Table on p.404 from INDC(GER)-0053 2330601100039 HISTORY (20211215C) SD 2330601100040 ENDBIB 38 0 2330601100041 COMMON 8 6 2330601100042 KT-DUMMY MONIT MONIT-ERR ERR-HL ERR-2 ERR-8 2330601100043 ERR-10 ERR-11 2330601100044 KEV MB MB MIN PER-CENT PER-CENT 2330601100045 PER-CENT PER-CENT 2330601100046 25. 622.7 6. 0.72 0.1 1.52330601100047 0.5 2.2 2330601100048 ENDCOMMON 6 0 2330601100049 DATA 4 2 2330601100050 DATA ERR-S ERR-SYS FLAG 2330601100051 MB MB MB NO-DIM 2330601100052 21.7 1.6 0.6 4. 2330601100053 21.5 0.5 0.5 5. 2330601100054 ENDDATA 4 0 2330601100055 ENDSUBENT 54 0 2330601199999 ENDENTRY 11 0 2330699999999