ENTRY 23220 20211120 23052322000000001 SUBENT 23220001 20211120 23052322000100001 BIB 15 55 2322000100002 TITLE Neutron capture cross-sections of stable xenon isotopes2322000100003 and their application in stellar nucleosynthesis 2322000100004 AUTHOR (H.Beer,F.Kaeppeler,G.Reffo,G.Venturini) 2322000100005 REFERENCE (J,ASP,97,95,1983) 2322000100006 (R,INDC(GER)-0053,2021) Revised values of Karlsruhe 2322000100007 cross sections. 2322000100008 INSTITUTE (2GERKFK) H.Beer,F.Kaeppeler. 2322000100009 (2ITYBOL) G.Reffo,G.Venturini. 2322000100010 FACILITY (VDG,2GERKFK) The Karlsruhe pulsed 3 MV Van de Graaff. 2322000100011 INC-SOURCE (P-LI7) Neutrons were produced about 25 kev above the 2322000100012 reaction threshold. Li metallic layers (about 2 mg/cm2 2322000100013 thickness) on Cu backing. 2322000100014 INC-SPECT The neutron spectrum was good approximated by 2322000100015 Maxwellian spectrum with a temperature of 25 keV. 2322000100016 SAMPLE Natural Xe in chemical form of sodiumperxenat 2322000100017 Na(4)XeO(6)*8(H(2)O) crystalline material, dehidrated 2322000100018 by heating to 120 Cdeg, pressed to self-supporting 2322000100019 tablets of 6 mm diameter. Xenon samples were placed 2322000100020 between two Au foils. 2322000100021 Sample Na(4)XeO(6)*8(H(2)O) : 2322000100022 Weight,mg Investigated isotope Thickness,at/b 2322000100023 121.51 Na-23 2.235E-3 2322000100024 Xe-124 5.363E-7 2322000100025 Xe-132 1.502E-4 2322000100026 Xe-134 5.833E-5 2322000100027 20.75 Xe-134 9.964E-6 2322000100028 Au-197 metal sample of 18.48 mg weight, 1.998E-4 at/b 2322000100029 thickness. 2322000100030 METHOD (ACTIV) Irradiation time about 20 hr. 2322000100031 DETECTOR (GELI) The activity was counted in subsequent time 2322000100032 intervals of 2 hr with GeLi-detector of 42 cm**3, 2322000100033 energy resolution 2 keV at 1.33 MeV . 2322000100034 (GLASD) The neutron flux was monitored by a Li-6 glass 2322000100035 scintillation counter. 2322000100036 CORRECTION Dead time effects, background subtraction. 2322000100037 Effect of possible diffusion of radioactive Xe out of 2322000100038 sample was checked via Xe-135 half-life and was found 2322000100039 to be neglected. 2322000100040 ANALYSIS Measured Na-23 capture cross section agreed with 2322000100041 calculated (by resonance parameters of Musgrove+,1978) 2322000100042 Maxwellian average capture cross-section better than 1%2322000100043 ERR-ANALYS (DATA-ERR) Not specified. 2322000100044 ADD-RES Level density parameters for Xe-124,128,129,130,131, 2322000100045 132,134 (Table III), model param. (Table IV), radiative2322000100046 widths (Table V), strength functions (Table VI), calc. 2322000100047 cross-sections vs neutron energy (Table VII), 2322000100048 calculated cross sections at kT=30 keV (Table VIII), 2322000100049 astrophysical parameters (Tables IX, X) were defined 2322000100050 using all available information on discrete level 2322000100051 schemes, resonance schemes, measured cross sections 2322000100052 and theoretical calculations. 2322000100053 HISTORY (20131125C) M.M. 2322000100054 (20211120A) SD: Corrections in all Subents. 2322000100055 Subents 008-017 added. ERR-IDD deleted (absent in the 2322000100056 article). 2322000100057 ENDBIB 55 0 2322000100058 NOCOMMON 0 0 2322000100059 ENDSUBENT 58 0 2322000199999 SUBENT 23220002 20211120 23052322000200001 BIB 8 11 2322000200002 REACTION (54-XE-124(N,G)54-XE-125-G,,SIG,,MXW) 2322000200003 DECAY-DATA (54-XE-125-G,17.3HR,DG,188.43,0.55) 2322000200004 MONITOR (79-AU-197(N,G)79-AU-198-G,,SIG,,MXW) 2322000200005 MONIT-REF (,R.Kinsey,3,ENDF/B-V,,1979) 2322000200006 DECAY-MON (79-AU-198-G,2.697D,DG,411.80,0.9552) 2322000200007 Intensity 95.52+-0.06 %. 2322000200008 ERR-ANALYS (MONIT-ERR) Uncertainty in monitor reaction 2322000200009 STATUS (TABLE) Table II of Astrophys.Space Science,97(1983)95 2322000200010 (SPSDD,22253010) Superseded according to authors' 2322000200011 comment in Astrophys.J.,375(1991)823 2322000200012 HISTORY (20211120U) SD: STATUS updated. 2322000200013 ENDBIB 11 0 2322000200014 NOCOMMON 0 0 2322000200015 DATA 5 1 2322000200016 KT MONIT MONIT-ERR DATA DATA-ERR 2322000200017 KEV MB MB MB MB 2322000200018 25. 657. 16. 1154. 116. 2322000200019 ENDDATA 3 0 2322000200020 ENDSUBENT 19 0 2322000299999 SUBENT 23220003 20211120 23052322000300001 BIB 8 11 2322000300002 REACTION (54-XE-132(N,G)54-XE-133-G,,SIG,,MXW) 2322000300003 DECAY-DATA (54-XE-133-G,5.245D,DG,81.,0.37) 2322000300004 MONITOR (79-AU-197(N,G)79-AU-198-G,,SIG,,MXW) 2322000300005 MONIT-REF (,R.Kinsey,3,ENDF/B-V,,1979) 2322000300006 DECAY-MON (79-AU-198-G,2.697D,DG,411.80,0.9552) 2322000300007 Intensity 95.52+-0.06% 2322000300008 ERR-ANALYS (MONIT-ERR) Uncertainty in monitor reaction 2322000300009 STATUS (TABLE) Table II of Astrophys.Space Science,97(1983)95 2322000300010 (SPSDD,22253018) Superseded according to authors' 2322000300011 comment in Astrophys.J.,375(1991)823 2322000300012 HISTORY (20211120U) SD: STATUS updated. 2322000300013 ENDBIB 11 0 2322000300014 NOCOMMON 0 0 2322000300015 DATA 5 1 2322000300016 KT MONIT MONIT-ERR DATA DATA-ERR 2322000300017 KEV MB MB MB MB 2322000300018 25. 657. 16. 67. 4. 2322000300019 ENDDATA 3 0 2322000300020 ENDSUBENT 19 0 2322000399999 SUBENT 23220004 20211120 23052322000400001 BIB 9 13 2322000400002 REACTION (54-XE-134(N,G)54-XE-135-G,,SIG,,MXW) 2322000400003 DECAY-DATA (54-XE-135-G,9.104HR,DG,249.79,0.90) 2322000400004 MONITOR (79-AU-197(N,G)79-AU-198-G,,SIG,,MXW) 2322000400005 MONIT-REF (,R.Kinsey,3,ENDF/B-V,,1979) 2322000400006 DECAY-MON (79-AU-198-G,2.697D,DG,411.80,0.9552) 2322000400007 Intensity 95.52+-0.06% 2322000400008 ANALYSIS Capture c-s determined using two different samples 2322000400009 agreed to within 1%. 2322000400010 ERR-ANALYS (MONIT-ERR) Uncertainty in monitor reaction 2322000400011 STATUS (TABLE) Table II of Astrophys.Space Science,97(1983)95 2322000400012 (SPSDD,22253021) Superseded according to authors' 2322000400013 comment in Astroph.J.,375(1991)823. 2322000400014 HISTORY (20211120U) SD: STATUS updated. 2322000400015 ENDBIB 13 0 2322000400016 NOCOMMON 0 0 2322000400017 DATA 5 1 2322000400018 KT MONIT MONIT-ERR DATA DATA-ERR 2322000400019 KEV MB MB MB MB 2322000400020 25. 657. 16. 33. 2. 2322000400021 ENDDATA 3 0 2322000400022 ENDSUBENT 21 0 2322000499999 SUBENT 23220005 20211120 23052322000500001 BIB 9 13 2322000500002 REACTION (11-NA-23(N,G)11-NA-24,,SIG,,MXW) 2322000500003 DECAY-DATA (11-NA-24,15.03HR,DG,1368.53,0.999942) 2322000500004 MONITOR (79-AU-197(N,G)79-AU-198-G,,SIG,,MXW) 2322000500005 MONIT-REF (,R.Kinsey,3,ENDF/B-V,,1979) 2322000500006 DECAY-MON (79-AU-198-G,2.697D,DG,411.80,0.9552) 2322000500007 Intensity 95.52+-0.06% 2322000500008 ANALYSIS Capture c-s determined using two different samples 2322000500009 agreed to within 1%. 2322000500010 ERR-ANALYS (MONIT-ERR) Uncertainty in monitor reaction 2322000500011 STATUS (TABLE) Table II of Astrophys.Space Science,97(1983)95 2322000500012 (OUTDT) Update with the new gold standard (681 mb) not2322000500013 done in INDC(GER)-0053 2322000500014 HISTORY (20211120U) SD: STATUS updated. 2322000500015 ENDBIB 13 0 2322000500016 NOCOMMON 0 0 2322000500017 DATA 5 1 2322000500018 KT MONIT MONIT-ERR DATA DATA-ERR 2322000500019 KEV MB MB MB MB 2322000500020 25. 657. 16. 2.72 0.15 2322000500021 ENDDATA 3 0 2322000500022 ENDSUBENT 21 0 2322000599999 SUBENT 23220006 20211120 23052322000600001 BIB 5 12 2322000600002 REACTION (54-XE-124(N,G)54-XE-125-G,,SIG,,MXW,DERIV) 2322000600003 ANALYSIS As measurement was carried out with neutron spectrum 2322000600004 similar to Maxwellian spectrum for thermal energy 2322000600005 kT=25 keV, it directly yields a proper Maxwellian 2322000600006 averaged cross-section. 2322000600007 REL-REF (C,22253001,H.Beer,J,AJ,375,823,1991) 2322000600008 STATUS (TABLE) Table II of Astrophys.Space Science,97(1983)95 2322000600009 (DEP,23220002) Directly measured c-s. 2322000600010 (SPSDD,22253001) The experimental results are 2322000600011 superseded by a new experiment published in 2322000600012 H.Beer et al.,Astrophys.J.375(1991)823 (EXFOR 22253) 2322000600013 HISTORY (20211120U) SD: STATUS updated. REL-REF added. 2322000600014 ENDBIB 12 0 2322000600015 NOCOMMON 0 0 2322000600016 DATA 3 1 2322000600017 KT DATA DATA-ERR 2322000600018 KEV MB MB 2322000600019 30. 1153. 110. 2322000600020 ENDDATA 3 0 2322000600021 ENDSUBENT 20 0 2322000699999 SUBENT 23220007 20211120 23052322000700001 BIB 4 9 2322000700002 REACTION (54-XE-132(N,G)54-XE-133-G,,SIG,,MXW,DERIV) 2322000700003 ANALYSIS As measurement was carried out with neutron spectrum 2322000700004 similar to Maxwellian spectrum for thermal energy 2322000700005 kT=25 keV, it directly yields a proper Maxwellian 2322000700006 averaged cross-section. 2322000700007 STATUS (TABLE) Table II of Astrophys.Space Science,97(1983)95 2322000700008 (DEP,23220003) Directly measured c-s. 2322000700009 (SPSDD,23220009) Renormalized. 2322000700010 HISTORY (20211120A) SD: STATUS updated. Subent superseded. 2322000700011 ENDBIB 9 0 2322000700012 NOCOMMON 0 0 2322000700013 DATA 3 1 2322000700014 KT DATA DATA-ERR 2322000700015 KEV MB MB 2322000700016 30. 61. 4. 2322000700017 ENDDATA 3 0 2322000700018 ENDSUBENT 17 0 2322000799999 SUBENT 23220008 20211120 23052322000800001 BIB 5 12 2322000800002 REACTION (54-XE-134(N,G)54-XE-135-G,,SIG,,MXW,DERIV) 2322000800003 ANALYSIS As measurement was carried out with neutron spectrum 2322000800004 similar to Maxwellian spectrum for thermal energy 2322000800005 kT=25 keV, it directly yields a proper Maxwellian 2322000800006 averaged cross-section. 2322000800007 REL-REF (C,22253001,H.Beer,J,AJ,375,823,1991) 2322000800008 STATUS (TABLE) Table II of Astrophys.Space Science,97(1983)95 2322000800009 (DEP,23220004) Directly measured c-s. 2322000800010 (SPSDD,22253001) The experimental results are 2322000800011 superseded by a new experiment published in 2322000800012 H.Beer et al.,Astrophys.J.375(1991)823 (EXFOR 22253) 2322000800013 HISTORY (20211120U) SD: STATUS updated. REL-REF added. 2322000800014 ENDBIB 12 0 2322000800015 NOCOMMON 0 0 2322000800016 DATA 3 1 2322000800017 KT DATA DATA-ERR 2322000800018 KEV MB MB 2322000800019 30. 29. 2. 2322000800020 ENDDATA 3 0 2322000800021 ENDSUBENT 20 0 2322000899999 SUBENT 23220009 20211120 23052322000900001 BIB 9 15 2322000900002 REACTION (54-XE-132(N,G)54-XE-133-G,,SIG,,MXW,DERIV) 2322000900003 MONITOR (79-AU-197(N,G)79-AU-198-G,,SIG,,MXW) 2322000900004 DECAY-MON (79-AU-198-G,3881.0MIN,DG,411.80,0.9558) 2322000900005 MONIT-REF (,R.Reifarth+,J,EPJ/P,133,424,2018) 2322000900006 CORRECTION Correction for revised gold standard: 681/657 =1.037 2322000900007 ANALYSIS Cross section value in subentry 23220.007 is 2322000900008 renormalized: 2322000900009 a) for new gold cross section 2322000900010 b) by an additional factor 0.55/0.538=1.022, which 2322000900011 accounts for the gamma-intensity of the 5297.29 keV 2322000900012 transition in the 15C decay (NDS/ENSDF 2020)6 2322000900013 ERR-ANALYS (MONIT-ERR) Uncertainty in monitor reaction 2322000900014 STATUS (TABLE) Table on p.351 of INDC(GER)-0053 2322000900015 (DEP,23220003) Directly measured c-s. 2322000900016 HISTORY (20211120C) SD 2322000900017 ENDBIB 15 0 2322000900018 NOCOMMON 0 0 2322000900019 DATA 6 1 2322000900020 KT KT-NRM DATA DATA-ERR MONIT MONIT-ERR 2322000900021 KEV KEV MB MB MB MB 2322000900022 30. 25. 65. 4. 681. 7. 2322000900023 ENDDATA 3 0 2322000900024 ENDSUBENT 23 0 2322000999999 ENDENTRY 9 0 2322099999999