ENTRY 22376 20210816 23032237600000001 SUBENT 22376001 20210816 23032237600100001 BIB 13 45 2237600100002 TITLE Experimental determination of the stellar neutron 2237600100003 capture cross sections of the short-lived radioactive 2237600100004 isotope 147-Pm 2237600100005 AUTHOR (Th.W.Gerstenhoefer) 2237600100006 INSTITUTE (2GERKFK) 2237600100007 REFERENCE (R,KFK-5180,1993) Thesis of the Heidelberg Ruprecht- 2237600100008 Karls-University's general faculty. 2237600100009 Main reference, data are given 2237600100010 (R,INDC(GER)-0053,2021) Revised values of Karlsruhe 2237600100011 cross sections. 2237600100012 REL-REF (I,,K.Wisshak+,J,NIM/A,292,595,1990) Detector descript.2237600100013 FACILITY (VDG,2GERKFK) 3.75 MV Van de Graaff accelerator. 2237600100014 Protons for neutron production wer produced by high- 2237600100015 frequency gas discharge. Proton pulse width is appr. 2237600100016 1 ns. 2237600100017 DETECTOR (GLASD) Li-6 glass detector for transmission 2237600100018 measurements 2237600100019 (BAF2) 4Pi-BaP2 detector (see REL-REF) used for 2237600100020 comparisson. 2237600100021 (HPGE) 2237600100022 MONITOR (79-AU-197(N,G)79-AU-198,,SIG) 2237600100023 INC-SOURCE (P-LI7) Water-cooled metallic Li target of about 2237600100024 0.5 mg/cm2 (10 um) thickness on 1 cm 2237600100025 in diameter copper backing. 2237600100026 INC-SPECT Proton energy is 31 keV above the reaction threshold 2237600100027 1.881 MeV giving approximately Maxwell neutron energy 2237600100028 distribution with temperature 25 keV 2237600100029 Neutron flux: 10**13 n/s/cm2 2237600100030 SAMPLE Common samples - all round disks with 1-0.8 mm diam. 2237600100031 Four metallic gold samples of 0.025 and 0.1 mm thick- 2237600100032 ness, masses 27.82-152.91 mg canned in polyethylene 2237600100033 foils 5 and 10 microns 2237600100034 Scattering sample of bismuth oxide Bi2-O3 939.88 mg 2237600100035 1.6 mm thick 2237600100036 Two lead scattering samples 0.1mm thick, masses 78.47 2237600100037 and 51.08 mg 2237600100038 were present in all measurements' runs 2237600100039 ERR-ANALYS (ERR-2) error due to sample thickness 2237600100040 (ERR-3) error due to detector efficiency 2237600100041 (MONIT-ERR) error due to standard cross-section 2237600100042 HISTORY (19980215C) + + Compiled by S.Maev + + 2237600100043 (19990604A) date is corrected 2237600100044 (20210816A) SD:Updated to new date formats,lower case. 2237600100045 Major corrections in all Subents. Subents 005-007 2237600100046 added. EN-MEAN -> KT. 2237600100047 ENDBIB 45 0 2237600100048 COMMON 1 3 2237600100049 KT 2237600100050 KEV 2237600100051 25. 2237600100052 ENDCOMMON 3 0 2237600100053 ENDSUBENT 52 0 2237600199999 SUBENT 22376002 20210816 23032237600200001 BIB 8 19 2237600200002 REACTION (61-PM-147(N,G)61-PM-148-G,,SIG,,MXW) 2237600200003 DECAY-DATA (61-PM-147,2.626YR,B-,223.0,1.00) 2237600200004 (61-PM-147,2.626YR,G,121.0,0.0000285) 2237600200005 (61-PM-148-G,5.370D,DG,1465.,0.224) 2237600200006 SAMPLE Prometium oxide Pm2-O3 powder disk 1 mm diameter 2237600200007 enriched by isotope Pm-147 to 72%. Thickness is 2237600200008 0.1-0.2 mm, masse 2.15 Ci, canned in polyethylene 2237600200009 foil 10 micron. Samarium-147 admixture content is 28% 2237600200010 MONIT-REF (22099003,W.Ratynski+,J,PR/C,37,595,1988) 2237600200011 METHOD (ACTIV) 2237600200012 ERR-ANALYS (ERR-T) Total error equal to sum of statistical and 2237600200013 total systematic error. 2237600200014 (ERR-1) Error due to registration 2237600200015 (ERR-4) error due to gamma-ray intensity 2237600200016 (ERR-5) error due to time-of-flight uncertainty 2237600200017 STATUS (TABLE) Text on p.66 of KFK-5180 report. 2237600200018 (SPSDD,22376005) Renormalized. 2237600200019 HISTORY (20210816A) SD: BIB updated. ERR-ANALYS re-compiled. 2237600200020 Subent superseded. 2237600200021 ENDBIB 19 0 2237600200022 NOCOMMON 0 0 2237600200023 DATA 9 1 2237600200024 DATA ERR-T MONIT MONIT-ERR ERR-1 ERR-2 2237600200025 ERR-3 ERR-4 ERR-5 2237600200026 MB MB MB MB PER-CENT PER-CENT 2237600200027 PER-CENT PER-CENT PER-CENT 2237600200028 301. 42. 648. 10. 5. 10.2237600200029 4. 5. 1. 2237600200030 ENDDATA 6 0 2237600200031 ENDSUBENT 30 0 2237600299999 SUBENT 22376003 20210816 23032237600300001 BIB 8 18 2237600300002 REACTION (61-PM-147(N,G)61-PM-148-M,,SIG,,MXW) 2237600300003 DECAY-DATA (61-PM-147,2.626YR,B-,223.0,1.00) 2237600300004 (61-PM-147,2.626YR,G,121.0,0.0000285) 2237600300005 (61-PM-148-G,5.370D,DG,1465.,0.224) 2237600300006 SAMPLE Prometium oxide Pm2-O3 powder disk 1 mm diameter 2237600300007 enriched by isotope Pm-147 to 72%. Thickness is 2237600300008 0.1-0.2 mm, masse 2.15 Ci, canned in polyethylene 2237600300009 foil 10 micron. Samarium admixture content is 28% 2237600300010 MONIT-REF (22099003,W.Ratynski+,J,PR/C,37,595,1988) 2237600300011 METHOD (ACTIV) 2237600300012 ERR-ANALYS (ERR-T) Total error equal to sum of statistical and 2237600300013 total systematic error. 2237600300014 (ERR-1) Error due to registration 2237600300015 (ERR-4) error due to gamma-ray intensity 2237600300016 (ERR-5) error due to time-of-flight uncertainty 2237600300017 STATUS (TABLE) Text on p.66 of KFK-5180 report. 2237600300018 (SPSDD,22376005) Renormalized. 2237600300019 HISTORY (20210816A) SD: BIB updated. Subent superseded. 2237600300020 ENDBIB 18 0 2237600300021 NOCOMMON 0 0 2237600300022 DATA 9 1 2237600300023 DATA ERR-T MONIT MONIT-ERR ERR-1 ERR-2 2237600300024 ERR-3 ERR-4 ERR-5 2237600300025 MB MB MB MB PER-CENT PER-CENT 2237600300026 PER-CENT PER-CENT PER-CENT 2237600300027 202. 32. 648. 10. 5. 10.2237600300028 4. 5. 1. 2237600300029 ENDDATA 6 0 2237600300030 ENDSUBENT 29 0 2237600399999 SUBENT 22376004 20210816 23032237600400001 BIB 7 23 2237600400002 REACTION (62-SM-147(N,G)62-SM-148,,SIG,,MXW) 2237600400003 DETECTOR (MOXR) Moxon-Rae detector for detection of capture 2237600400004 gamma-rays by transition to ground state of Sm-148. 2237600400005 SAMPLE (62-SM-147,ENR=0.983) Samarium oxide Sm2-O3 powder 2237600400006 disk 10 mm diameter enriched by isotope Sm-147 to 2237600400007 98.3%. Thickness is 1.6 mm, mass 474.07 mg, canned 2237600400008 in polyethylene foil 10 micron. Sm-148 admixture 2237600400009 content is 0.9%, Sm-149 content is 0.4% 2237600400010 MONIT-REF (22099003,W.Ratynski+,J,PR/C,37,595,1988) 2237600400011 ERR-ANALYS (ERR-SYS) Total systematic error 2237600400012 (ERR-1,1.,3.3) Error due to registration 2237600400013 (ERR-4) error due to number of admixtures 2237600400014 (ERR-5) error due to number of target nuclei 2237600400015 (ERR-6) error due to neutron flux 2237600400016 (ERR-7) error due to cascade energy uncertainty 2237600400017 (ERR-8) error due to gamma energy distribution 2237600400018 (ERR-9) error due to scattering corrections 2237600400019 (ERR-10) error due to multiple scattering 2237600400020 (ERR-S) statistical error 2237600400021 STATUS (TABLE) Text on p.53 of KFK-5180 report. 2237600400022 (SPSDD,22376007) Renormalized. 2237600400023 HISTORY (20210816A) SD: BIB updated. ERR-ANALYS re-compiled. 2237600400024 Subent superseded. 2237600400025 ENDBIB 23 0 2237600400026 NOCOMMON 0 0 2237600400027 DATA 14 1 2237600400028 DATA ERR-S ERR-SYS MONIT MONIT-ERR ERR-2 2237600400029 ERR-3 ERR-4 ERR-5 ERR-6 ERR-7 ERR-8 2237600400030 ERR-9 ERR-10 2237600400031 MB MB MB MB MB PER-CENT 2237600400032 PER-CENT PER-CENT PER-CENT PER-CENT PER-CENT PER-CENT 2237600400033 PER-CENT PER-CENT 2237600400034 933. 14. 38. 648. 10. 2.02237600400035 0.2 1.3 1.5 0.6 0.1 5.2237600400036 10. 5. 2237600400037 ENDDATA 9 0 2237600400038 ENDSUBENT 37 0 2237600499999 SUBENT 22376005 20210816 23032237600500001 BIB 11 23 2237600500002 REACTION 1((61-PM-147(N,G)61-PM-148-G,,SIG,,MXW)/ 2237600500003 (79-AU-197(N,G)79-AU-198,,SIG,,MXW)) 2237600500004 2(61-PM-147(N,G)61-PM-148-G,,SIG,,MXW) 2237600500005 DECAY-DATA (61-PM-147,2.626YR,DG,121.0,0.0000285) 2237600500006 (61-PM-148-G,5.370D,DG,1465.,0.224) 2237600500007 SAMPLE Prometium oxide Pm2-O3 powder disk 1 mm diameter 2237600500008 enriched by isotope Pm-147 to 72%. Thickness is 2237600500009 0.1-0.2 mm, mass 2.51 Ci, canned in polyethylene 2237600500010 foil 10 micron. Samarium-147 admixture content 2237600500011 is 28% 2237600500012 DECAY-MON (79-AU-198-G,3881.0MIN,DG,411.80,0.9558) 2237600500013 MONIT-REF (,R.Reifarth+,J,EPJ/P,133,424,2018) 2237600500014 METHOD (ACTIV) 2237600500015 ANALYSIS Cross section value in subentry 22376.002 is 2237600500016 renormalized for new gold cross section 2237600500017 CORRECTION Correction for revised gold standard: 681/648 =1.051 2237600500018 ERR-ANALYS (ERR-T) Total error equal to sum of statistical and 2237600500019 total systematic error. 2237600500020 (ERR-1) Error due to registration 2237600500021 (ERR-4) error due to gamma-ray intensity 2237600500022 (ERR-5) error due to time-of-flight uncertainty 2237600500023 STATUS (TABLE) p.89 of INDC(GER)-0053 2237600500024 HISTORY (20210816C) SD 2237600500025 ENDBIB 23 0 2237600500026 NOCOMMON 0 0 2237600500027 DATA 11 1 2237600500028 DATA 1ERR-T 1DATA 2ERR-T 2MONIT MONIT-ERR 2237600500029 ERR-1 ERR-2 ERR-3 ERR-4 ERR-5 2237600500030 NO-DIM NO-DIM MB MB MB MB 2237600500031 PER-CENT PER-CENT PER-CENT PER-CENT PER-CENT 2237600500032 0.465 0.065 316. 42. 681. 6.02237600500033 5. 10. 4. 5. 1. 2237600500034 ENDDATA 6 0 2237600500035 ENDSUBENT 34 0 2237600599999 SUBENT 22376006 20210816 23032237600600001 BIB 11 23 2237600600002 REACTION 1((61-PM-147(N,G)61-PM-148-M,,SIG,,MXW)/ 2237600600003 (79-AU-197(N,G)79-AU-198,,SIG,,MXW)) 2237600600004 2(61-PM-147(N,G)61-PM-148-M,,SIG,,MXW) 2237600600005 DECAY-DATA (61-PM-147,2.626YR,B-,223.0,1.00) 2237600600006 (61-PM-147,2.626YR,G,121.0,0.0000285) 2237600600007 (61-PM-148-M,41.29D,DG) 2237600600008 SAMPLE Prometium oxide Pm2-O3 powder disk 1 mm diameter 2237600600009 enriched by isotope Pm-147 to 72%. Thickness is 2237600600010 0.1-0.2 mm, masse 2.51 ci, canned in polyethylene 2237600600011 foil 10 micron. Samarium admixture content is 28 pc 2237600600012 DECAY-MON (79-AU-198-G,3881.0MIN,DG,411.80,0.9558) 2237600600013 MONIT-REF (,R.Reifarth+,J,EPJ/P,133,424,2018) 2237600600014 METHOD (ACTIV) 2237600600015 ANALYSIS Cross section value in subentry 22376.003 is 2237600600016 renormalized for new gold cross section 2237600600017 CORRECTION Correction for revised gold standard: 681/648 =1.051 2237600600018 ERR-ANALYS (ERR-T) Total error equal to sum of statistical and 2237600600019 total systematic error. 2237600600020 (ERR-1) Error due to registration 2237600600021 (ERR-4) error due to gamma-ray intensity 2237600600022 (ERR-5) error due to time-of-flight uncertainty 2237600600023 STATUS (TABLE) p.90 of INDC(GER)-0053 2237600600024 HISTORY (20210816C) SD 2237600600025 ENDBIB 23 0 2237600600026 NOCOMMON 0 0 2237600600027 DATA 11 1 2237600600028 DATA 1ERR-T 1DATA 2ERR-T 2MONIT MONIT-ERR 2237600600029 ERR-1 ERR-2 ERR-3 ERR-4 ERR-5 2237600600030 NO-DIM NO-DIM MB MB MB MB 2237600600031 PER-CENT PER-CENT PER-CENT PER-CENT PER-CENT 2237600600032 0.312 0.049 212. 34. 681. 6. 2237600600033 5. 10. 4. 5. 1. 2237600600034 ENDDATA 6 0 2237600600035 ENDSUBENT 34 0 2237600699999 SUBENT 22376007 20210816 23032237600700001 BIB 10 27 2237600700002 REACTION 1((62-SM-147(N,G)62-SM-148,,SIG,,MXW)/ 2237600700003 (79-AU-197(N,G)79-AU-198,,SIG,,MXW)) 2237600700004 2(62-SM-147(N,G)62-SM-148,,SIG,,MXW) 2237600700005 DETECTOR (MOXR) Moxon-Rae detector for detection of capture 2237600700006 gamma-rays by transition to ground state of Sm-148. 2237600700007 SAMPLE (62-SM-147,ENR=0.983) Samarium oxide Sm2-O3 powder 2237600700008 disk 10 mm diameter enriched by isotope Sm-147 to 2237600700009 98.3%. Thickness is 1.6 mm, mass 474.07 mg, canned 2237600700010 in polyethylene foil 10 micron. Sm-148 admixture 2237600700011 content is 0.9%, Sm-149 content is 0.4% 2237600700012 DECAY-MON (79-AU-198-G,3881.0MIN,DG,411.80,0.9558) 2237600700013 MONIT-REF (,R.Reifarth+,J,EPJ/P,133,424,2018) 2237600700014 CORRECTION Correction for revised gold standard: 681/648 =1.051 2237600700015 ANALYSIS Cross section value in subentry 22376.004 is 2237600700016 renormalized for new gold cross section 2237600700017 ERR-ANALYS (ERR-T) Total error equal to sum of statistical and 2237600700018 total systematic error. 2237600700019 (ERR-1,1.,3.3) Error due to registration 2237600700020 (ERR-4) error due to number of admixtures 2237600700021 (ERR-5) error due to number of target nuclei 2237600700022 (ERR-6) error due to neutron flux 2237600700023 (ERR-7) error due to cascade energy uncertainty 2237600700024 (ERR-8) error due to gamma energy distribution 2237600700025 (ERR-9) error due to scattering corrections 2237600700026 (ERR-10) error due to multiple scattering 2237600700027 STATUS (TABLE) p.91 of INDC(GER)-0053 2237600700028 HISTORY (20210816C) SD 2237600700029 ENDBIB 27 0 2237600700030 NOCOMMON 0 0 2237600700031 DATA 15 1 2237600700032 DATA 1ERR-T 1DATA 2ERR-T 2MONIT MONIT-ERR 2237600700033 ERR-2 ERR-3 ERR-4 ERR-5 ERR-6 ERR-7 2237600700034 ERR-8 ERR-9 ERR-10 2237600700035 NO-DIM NO-DIM MB MB MB MB 2237600700036 PER-CENT PER-CENT PER-CENT PER-CENT PER-CENT PER-CENT 2237600700037 PER-CENT PER-CENT PER-CENT 2237600700038 1.440 0.059 981. 40. 681. 6.2237600700039 2.0 0.2 1.3 1.5 0.6 0.12237600700040 5. 10. 5. 2237600700041 ENDDATA 9 0 2237600700042 ENDSUBENT 41 0 2237600799999 ENDENTRY 7 0 2237699999999