ENTRY 31837 20211103 32063183700000001 SUBENT 31837001 20211103 32063183700100001 BIB 15 44 3183700100002 TITLE Stellar s-process neutron capture cross sections on 3183700100003 78,80,84,86Kr determined via activation, atom trap 3183700100004 trace analysis, and decay counting 3183700100005 AUTHOR (M.Tessler, J.Zappala, S.Cristallo, L.Roberti, M.Paul, 3183700100006 S.Halfon, T.Heftrich, W.Jiang, D.Kijel, A.Kreisel, 3183700100007 M.Limongi, Z.-T.Lu, P.Mueller, R.Purtschert, 3183700100008 R.Reifarth, A.Short, D.Veltum, D.Vescovi, M.Weigand, 3183700100009 L.Weissman) 3183700100010 INSTITUTE (3ISLSOR,3ISLHEB,1USAANL,2ITYOAC,2ITYROM,2GERFRK, 3183700100011 3CPRHST,2JPNTOK,2SWTUBE) 3183700100012 (2ITYITY) INFN - Sezione di Perugia, Perugia; 3183700100013 INAF - Osservatorio Astronomico di Roma, Monte Porzio 3183700100014 Catone; Gran Sasso Science Institute 3183700100015 REFERENCE (J,PR/C,104,015806,2021) 3183700100016 FACILITY (LINAC,3ISLSOR) SARAF accelerator 3183700100017 INC-SOURCE (P-LI7) Proton beam (1930+/-5 keV with spread of 3183700100018 15 keV in one standard deviation) on liquid Li target 3183700100019 (LiLiT) circulating in a closed loop 3183700100020 SAMPLE Kr gas in Ti spherical shell (10 mm outer diam., 3183700100021 0.2 mm thick). 3183700100022 Two Au foils (~12.5 um thick) in front of the Kr 3183700100023 capsule as neutron fluence monitor. 3183700100024 ZrO2+Al pellet (~1 mm thick) between the two Au foils 3183700100025 which has negligible effect (~1%) on the neutron 3183700100026 fluence and spectrum 3183700100027 METHOD (ACTIV) Irradiated for 7.28 mA-h protons at Ep=1930 keV3183700100028 for (n,g)+(g,n) activation, and also for 11.7 mA-h 3183700100029 protons at Ep=1816 keV for (g,n) activation 3183700100030 MONITOR (79-AU-197(N,G)79-AU-198,,SIG,,SPA) 3183700100031 The measured 198Au activity agrees with the activity 3183700100032 simulated by SimLiT+GEANT4 within 1%. 3183700100033 CORRECTION Corrected for 3183700100034 - gamma-ray self absorption in sample and Ti shell 3183700100035 - variation of neutron yield during irradiation 3183700100036 - (g,n) due to 7Li(p,g0) and (p,g1) gammas 3183700100037 REL-REF (R,A0639002,D.Zahnow+,J,ZP/A,351,229,1995) 3183700100038 7Li(p,g)8Be cross sections 3183700100039 ADD-RES kT=3 to 300 keV Maxwellian averaged cross sections 3183700100040 ERR-ANALYS (ERR-T) Total uncertainty propagated from the partial 3183700100041 uncertainties in Table XI of Phys.Rev.C104(2021)0158063183700100042 (ERR-1) Kr mass (0.1%) 3183700100043 (ERR-2) Neutron fluence simulation (2%) 3183700100044 STATUS (APRVD) Approved by Michael Paul (2022-01-12) 3183700100045 HISTORY (20211103C) On 3183700100046 ENDBIB 44 0 3183700100047 COMMON 2 3 3183700100048 ERR-1 ERR-2 3183700100049 PER-CENT PER-CENT 3183700100050 0.1 2. 3183700100051 ENDCOMMON 3 0 3183700100052 ENDSUBENT 51 0 3183700199999 SUBENT 31837002 20211103 32063183700200001 BIB 7 18 3183700200002 REACTION (36-KR-78(N,G)36-KR-79,,SIG,,SPA/FCT) 3183700200003 Spectrum averaged cross section * 2/sqrt(pi) 3183700200004 SAMPLE (36-KR-78,NAT=3.55E-03) 3183700200005 DECAY-DATA (36-KR-79-G,35.04HR,DG,261.29,0.127, 3183700200006 DG,397.54,0.093, 3183700200007 DG,606.09,0.081) 3183700200008 DETECTOR (HPGE) 3183700200009 METHOD (GSPEC) 18 half-hour gamma counting runs starting 3183700200010 ~2.5 hr after the end of irradiation, then six 3183700200011 four-hour gamma counting runs ~1.5 days later. 3183700200012 ERR-ANALYS (ERR-3) Isotopic abundance (0.8%) 3183700200013 (ERR-4) Statistical (0.3%) 3183700200014 (ERR-5) HPGe efficiency (2.5%) 3183700200015 (ERR-6) gamma intensity (3.1%) 3183700200016 (ERR-7) Self-absorption correction (1%) 3183700200017 (ERR-8,,0.1) Under-threshold correction (<0.1%) 3183700200018 STATUS (TABLE) Table IX of of Phys.Rev.C104(2021)015806 3183700200019 (SUPPL,31837002) Neutron source spectrum 3183700200020 ENDBIB 18 0 3183700200021 COMMON 5 3 3183700200022 ERR-3 ERR-4 ERR-5 ERR-6 ERR-7 3183700200023 PER-CENT PER-CENT PER-CENT PER-CENT PER-CENT 3183700200024 0.8 0.3 2.5 3.1 1. 3183700200025 ENDCOMMON 3 0 3183700200026 DATA 3 1 3183700200027 KT-DUMMY DATA ERR-T 3183700200028 KEV MB MB 3183700200029 42.5 407. 20. 3183700200030 ENDDATA 3 0 3183700200031 ENDSUBENT 30 0 3183700299999 SUBENT 31837003 20211103 32063183700300001 BIB 5 9 3183700300002 REACTION (36-KR-80(N,G)36-KR-81,,SIG,,SPA/FCT) 3183700300003 Spectrum averaged cross section * 2/sqrt(pi) 3183700300004 SAMPLE (36-KR-80,NAT=0.02286) 3183700300005 METHOD Atom trap trace analysis at the ANL TRACER Center 3183700300006 ERR-ANALYS (ERR-3) Isotopic abundance (0.4%) 3183700300007 (ERR-9) ATTA measurement (4.3%) 3183700300008 (ERR-10) Cosmogenic correction (3.2%) 3183700300009 STATUS (TABLE) Table IX of of Phys.Rev.C104(2021)015806 3183700300010 (SUPPL,31837002) Neutron source spectrum 3183700300011 ENDBIB 9 0 3183700300012 COMMON 3 3 3183700300013 ERR-3 ERR-9 ERR-10 3183700300014 PER-CENT PER-CENT PER-CENT 3183700300015 0.4 4.3 3.2 3183700300016 ENDCOMMON 3 0 3183700300017 DATA 3 1 3183700300018 KT-DUMMY DATA ERR-T 3183700300019 KEV MB MB 3183700300020 42.5 230. 14. 3183700300021 ENDDATA 3 0 3183700300022 ENDSUBENT 21 0 3183700399999 SUBENT 31837004 20211103 32063183700400001 BIB 2 6 3183700400002 REACTION (36-KR-84(N,G)36-KR-85,,SIG,,SPA/FCT) 3183700400003 Spectrum averaged cross section * 2/sqrt(pi) 3183700400004 STATUS (TABLE) Table IX of of Phys.Rev.C104(2021)015806 3183700400005 (DEP,31837005) 84Kr(n,g)85mKr cross section 3183700400006 (DEP,31837007) 84Kr(n,g)85gKr cross section 3183700400007 (SUPPL,31837002) Neutron source spectrum 3183700400008 ENDBIB 6 0 3183700400009 NOCOMMON 0 0 3183700400010 DATA 3 1 3183700400011 KT-DUMMY DATA ERR-T 3183700400012 KEV MB MB 3183700400013 42.5 30.7 2.4 3183700400014 ENDDATA 3 0 3183700400015 ENDSUBENT 14 0 3183700499999 SUBENT 31837005 20211103 32063183700500001 BIB 6 11 3183700500002 REACTION (36-KR-84(N,G)36-KR-85-M,,SIG,,SPA/FCT) 3183700500003 Spectrum averaged cross section * 2/sqrt(pi) 3183700500004 SAMPLE (36-KR-84,NAT=0.56987) 3183700500005 DECAY-DATA (36-KR-85-M,4.480HR,DG,151.195,0.752, 3183700500006 DG,304.87,0.140) 3183700500007 DETECTOR (HPGE) 3183700500008 METHOD (GSPEC) 18 half-hour gamma counting runs starting 3183700500009 ~2.5 hr after the end of irradiation, then six 3183700500010 four-hour gamma counting runs ~1.5 days later. 3183700500011 STATUS (TABLE) Table IX of of Phys.Rev.C104(2021)015806 3183700500012 (SUPPL,31837002) Neutron source spectrum 3183700500013 ENDBIB 11 0 3183700500014 NOCOMMON 0 0 3183700500015 DATA 3 1 3183700500016 KT-DUMMY DATA ERR-T 3183700500017 KEV MB MB 3183700500018 42.5 22.6 1.0 3183700500019 ENDDATA 3 0 3183700500020 ENDSUBENT 19 0 3183700599999 SUBENT 31837006 20211103 32063183700600001 BIB 6 11 3183700600002 REACTION (36-KR-84(N,G)36-KR-85-G,M+,SIG,,SPA/FCT) 3183700600003 Spectrum averaged cross section * 2/sqrt(pi) 3183700600004 SAMPLE (36-KR-84,NAT=0.56987) 3183700600005 DECAY-DATA (36-KR-85-G,10.739YR,DG,513.997,0.00434) 3183700600006 DETECTOR (HPGE) 3183700600007 (PROPC) 22 cm3 low-level proportional beta counter 3183700600008 METHOD Atom trap trace analysis at the ANL TRACER Center 3183700600009 (GSPEC) ~16 days counting run 3183700600010 (BSPEC) 3183700600011 STATUS (TABLE) Table IX of of Phys.Rev.C104(2021)015806 3183700600012 (SUPPL,31837002) Neutron source spectrum 3183700600013 ENDBIB 11 0 3183700600014 NOCOMMON 0 0 3183700600015 DATA 3 1 3183700600016 KT-DUMMY DATA ERR-T 3183700600017 KEV MB MB 3183700600018 42.5 12.9 0.8 3183700600019 ENDDATA 3 0 3183700600020 ENDSUBENT 19 0 3183700699999 SUBENT 31837007 20211103 32063183700700001 BIB 2 6 3183700700002 REACTION (36-KR-84(N,G)36-KR-85-G,,SIG,,SPA/FCT) 3183700700003 Spectrum averaged cross section * 2/sqrt(pi) 3183700700004 STATUS (TABLE) Table IX of of Phys.Rev.C104(2021)015806 3183700700005 (DEP,31837005) 84Kr(n,g)85mKr cross section 3183700700006 (DEP,31837006) 84Kr(n,g)85(g+0.212*m)Kr cross section 3183700700007 (SUPPL,31837002) Neutron source spectrum 3183700700008 ENDBIB 6 0 3183700700009 NOCOMMON 0 0 3183700700010 DATA 3 1 3183700700011 KT-DUMMY DATA ERR-T 3183700700012 KEV MB MB 3183700700013 42.5 8.1 0.8 3183700700014 ENDDATA 3 0 3183700700015 ENDSUBENT 14 0 3183700799999 SUBENT 31837008 20211103 32063183700800001 BIB 6 10 3183700800002 REACTION (36-KR-86(N,G)36-KR-87,,SIG,,SPA/FCT) 3183700800003 Spectrum averaged cross section * 2/sqrt(pi) 3183700800004 SAMPLE (36-KR-86,NAT=0.17279) 3183700800005 DECAY-DATA (36-KR-87,76.3MIN,DG,402.587,0.50) 3183700800006 DETECTOR (HPGE) 3183700800007 METHOD (GSPEC) 18 half-hour gamma counting runs starting 3183700800008 ~2.5 hr after the end of irradiation, then six 3183700800009 four-hour gamma counting runs ~1.5 days later. 3183700800010 STATUS (TABLE) Table IX of of Phys.Rev.C104(2021)015806 3183700800011 (SUPPL,31837002) Neutron source spectrum 3183700800012 ENDBIB 10 0 3183700800013 NOCOMMON 0 0 3183700800014 DATA 3 1 3183700800015 KT-DUMMY DATA ERR-T 3183700800016 KEV MB MB 3183700800017 42.5 4.7 0.3 3183700800018 ENDDATA 3 0 3183700800019 ENDSUBENT 18 0 3183700899999 SUBENT 31837009 20211103 32063183700900001 BIB 4 15 3183700900002 REACTION (36-KR-78(N,G)36-KR-79,,SIG,,MXW) 3183700900003 ANALYSIS kT=30 keV MACS of JEFF-3.3 cross section renormalized 3183700900004 by the ratio of the measured cross section to the 3183700900005 point-wise JEFF-3.3 evaluated cross section folded by 3183700900006 the LiLiT spectrum (kT~42.5 keV) 3183700900007 ERR-ANALYS (ERR-3) Isotopic abundance (0.8%)3183700900008 (ERR-4) Statistical (0.3%)3183700900009 (ERR-5) HPGe efficiency (2.5%)3183700900010 (ERR-6) gamma intensity (3.1%)3183700900011 (ERR-7) Self-absorption correction (1%)3183700900012 (ERR-8,,0.1) Under-threshold correction (<0.1%)3183700900013 (ERR-11) Ratio of measured/JEFF-3.3 cross section(0.7%)3183700900014 STATUS (TABLE) Table X of of Phys.Rev.C104(2021)015806 3183700900015 (DEP,31837002) kT~42.5 keV spectrum averaged cross 3183700900016 section multiplied by 2/sqrt(pi) 3183700900017 ENDBIB 15 0 3183700900018 COMMON 6 3 3183700900019 ERR-3 ERR-4 ERR-5 ERR-6 ERR-7 ERR-11 3183700900020 PER-CENT PER-CENT PER-CENT PER-CENT PER-CENT PER-CENT 3183700900021 0.8 0.3 2.5 3.1 1. 0.7 3183700900022 ENDCOMMON 3 0 3183700900023 DATA 3 1 3183700900024 KT DATA ERR-T 3183700900025 KEV MB MB 3183700900026 30. 394. 20. 3183700900027 ENDDATA 3 0 3183700900028 ENDSUBENT 27 0 3183700999999 SUBENT 31837010 20211103 32063183701000001 BIB 4 12 3183701000002 REACTION (36-KR-80(N,G)36-KR-81,,SIG,,MXW) 3183701000003 ANALYSIS kT=30 keV MACS of JEFF-3.3 cross section renormalized 3183701000004 by the ratio of the measured cross section to the 3183701000005 point-wise JEFF-3.3 evaluated cross section folded by 3183701000006 the LiLiT spectrum (kT~42.5 keV) 3183701000007 ERR-ANALYS (ERR-3) Isotopic abundance (0.4%)3183701000008 (ERR-9) ATTA measurement (4.3%)3183701000009 (ERR-10) Cosmogenic correction (3.2%)3183701000010 (ERR-11) Ratio of measured/JEFF-3.3 cross section(2.0%)3183701000011 STATUS (TABLE) Table X of of Phys.Rev.C104(2021)015806 3183701000012 (DEP,31837003) kT~42.5 keV spectrum averaged cross 3183701000013 section multiplied by 2/sqrt(pi) 3183701000014 ENDBIB 12 0 3183701000015 COMMON 4 3 3183701000016 ERR-3 ERR-9 ERR-10 ERR-11 3183701000017 PER-CENT PER-CENT PER-CENT PER-CENT 3183701000018 0.4 4.3 3.2 2.0 3183701000019 ENDCOMMON 3 0 3183701000020 DATA 3 1 3183701000021 KT DATA ERR-T 3183701000022 KEV MB MB 3183701000023 30. 257. 16. 3183701000024 ENDDATA 3 0 3183701000025 ENDSUBENT 24 0 3183701099999 SUBENT 31837011 20211103 32063183701100001 BIB 3 8 3183701100002 REACTION (36-KR-84(N,G)36-KR-85,,SIG,,MXW) 3183701100003 ANALYSIS kT=30 keV MACS of JEFF-3.3 cross section renormalized 3183701100004 by the ratio of the measured cross section to the 3183701100005 point-wise JEFF-3.3 evaluated cross section folded by 3183701100006 the LiLiT spectrum (kT~42.5 keV) 3183701100007 STATUS (TABLE) Table X of of Phys.Rev.C104(2021)015806 3183701100008 (DEP,31837004) kT~42.5 keV spectrum averaged cross 3183701100009 section multiplied by 2/sqrt(pi) 3183701100010 ENDBIB 8 0 3183701100011 NOCOMMON 0 0 3183701100012 DATA 3 1 3183701100013 KT DATA ERR-T 3183701100014 KEV MB MB 3183701100015 30. 34.7 2.8 3183701100016 ENDDATA 3 0 3183701100017 ENDSUBENT 16 0 3183701199999 SUBENT 31837012 20211103 32063183701200001 BIB 3 8 3183701200002 REACTION (36-KR-84(N,G)36-KR-85-M,,SIG,,MXW) 3183701200003 ANALYSIS kT=30 keV MACS of JEFF-3.3 cross section renormalized 3183701200004 by the ratio of the measured cross section to the 3183701200005 point-wise JEFF-3.3 evaluated cross section folded by 3183701200006 the LiLiT spectrum (kT~42.5 keV) 3183701200007 STATUS (TABLE) Table X of of Phys.Rev.C104(2021)015806 3183701200008 (DEP,31837005) kT~42.5 keV spectrum averaged cross 3183701200009 section multiplied by 2/sqrt(pi) 3183701200010 ENDBIB 8 0 3183701200011 NOCOMMON 0 0 3183701200012 DATA 3 1 3183701200013 KT DATA ERR-T 3183701200014 KEV MB MB 3183701200015 30. 25.6 1.3 3183701200016 ENDDATA 3 0 3183701200017 ENDSUBENT 16 0 3183701299999 SUBENT 31837013 20211103 32063183701300001 BIB 3 8 3183701300002 REACTION (36-KR-84(N,G)36-KR-85-G,M+,SIG,,MXW) 3183701300003 ANALYSIS kT=30 keV MACS of JEFF-3.3 cross section renormalized 3183701300004 by the ratio of the measured cross section to the 3183701300005 point-wise JEFF-3.3 evaluated cross section folded by 3183701300006 the LiLiT spectrum (kT~42.5 keV) 3183701300007 STATUS (TABLE) Table X of of Phys.Rev.C104(2021)015806 3183701300008 (DEP,31837006) kT~42.5 keV spectrum averaged cross 3183701300009 section multiplied by 2/sqrt(pi) 3183701300010 ENDBIB 8 0 3183701300011 NOCOMMON 0 0 3183701300012 DATA 3 1 3183701300013 KT DATA ERR-T 3183701300014 KEV MB MB 3183701300015 30. 14.6 1.0 3183701300016 ENDDATA 3 0 3183701300017 ENDSUBENT 16 0 3183701399999 SUBENT 31837014 20211103 32063183701400001 BIB 3 8 3183701400002 REACTION (36-KR-84(N,G)36-KR-85-G,,SIG,,MXW) 3183701400003 ANALYSIS kT=30 keV MACS of JEFF-3.3 cross section renormalized 3183701400004 by the ratio of the measured cross section to the 3183701400005 point-wise JEFF-3.3 evaluated cross section folded by 3183701400006 the LiLiT spectrum (kT~42.5 keV) 3183701400007 STATUS (TABLE) Table X of of Phys.Rev.C104(2021)015806 3183701400008 (DEP,31837007) kT~42.5 keV spectrum averaged cross 3183701400009 section multiplied by 2/sqrt(pi) 3183701400010 ENDBIB 8 0 3183701400011 NOCOMMON 0 0 3183701400012 DATA 3 1 3183701400013 KT DATA ERR-T 3183701400014 KEV MB MB 3183701400015 30. 9.15 0.95 3183701400016 ENDDATA 3 0 3183701400017 ENDSUBENT 16 0 3183701499999 SUBENT 31837015 20211103 32063183701500001 BIB 3 8 3183701500002 REACTION (36-KR-86(N,G)36-KR-87,,SIG,,MXW) 3183701500003 ANALYSIS kT=30 keV MACS of JEFF-3.3 cross section renormalized 3183701500004 by the ratio of the measured cross section to the 3183701500005 point-wise JEFF-3.3 evaluated cross section folded by 3183701500006 the LiLiT spectrum (kT~42.5 keV) 3183701500007 STATUS (TABLE) Table X of of Phys.Rev.C104(2021)015806 3183701500008 (DEP,31837008) kT~42.5 keV spectrum averaged cross 3183701500009 section multiplied by 2/sqrt(pi) 3183701500010 ENDBIB 8 0 3183701500011 NOCOMMON 0 0 3183701500012 DATA 3 1 3183701500013 KT DATA ERR-T 3183701500014 KEV MB MB 3183701500015 30. 5.07 0.37 3183701500016 ENDDATA 3 0 3183701500017 ENDSUBENT 16 0 3183701599999 SUBENT 31837016 20211103 32063183701600001 BIB 3 58 3183701600002 SUPPL-INF (INCSP) SimLit-GEANT4 simulated neutron spectrum 3183701600003 ----------------------------------- 3183701600004 Emin Emax Spectrum 3183701600005 (keV) (keV) (1E+8 n/5 keV mC) 3183701600006 ----------------------------------- 3183701600007 0 5 0.755493 3183701600008 5 10 1.56155 3183701600009 10 15 2.25009 3183701600010 15 20 2.72923 3183701600011 20 25 3.22967 3183701600012 25 30 3.50743 3183701600013 30 35 3.93213 3183701600014 35 40 3.57758 3183701600015 40 45 3.90833 3183701600016 45 50 4.03073 3183701600017 50 55 3.85199 3183701600018 55 60 3.86163 3183701600019 60 65 3.79689 3183701600020 65 70 3.73683 3183701600021 70 75 3.62046 3183701600022 75 80 3.51415 3183701600023 80 85 3.17719 3183701600024 85 90 2.75333 3183701600025 90 95 2.64308 3183701600026 95 100 2.50023 3183701600027 100 105 2.33436 3183701600028 105 110 2.10502 3183701600029 110 115 1.8575 3183701600030 115 120 1.54894 3183701600031 120 125 1.25986 3183701600032 125 130 1.06744 3183701600033 130 135 0.821961 3183701600034 135 140 0.614082 3183701600035 140 145 0.40397 3183701600036 145 150 0.286988 3183701600037 150 155 0.197417 3183701600038 155 160 0.124723 3183701600039 160 165 0.0771626 3183701600040 165 170 0.0460993 3183701600041 170 175 0.0251306 3183701600042 175 180 0.0141342 3183701600043 180 185 0.00685491 3183701600044 185 190 0.00321936 3183701600045 190 195 0.00122409 3183701600046 195 200 0.000526359 3183701600047 200 205 0.00013873 3183701600048 205 210 6.12046E-05 3183701600049 210 215 3.26424E-05 3183701600050 215 220 8.16061E-06 3183701600051 220 225 0 3183701600052 225 230 0 3183701600053 230 235 0 3183701600054 235 240 0 3183701600055 240 245 0 3183701600056 245 250 0 3183701600057 ----------------------------------- 3183701600058 STATUS (TABLE) Plotted in Fig.6 of Phys.Rev.C.104(2021)015806 3183701600059 HISTORY (20220112R) On. Received from Michael Paul 3183701600060 ENDBIB 58 0 3183701600061 NOCOMMON 0 0 3183701600062 NODATA 0 0 3183701600063 ENDSUBENT 62 0 3183701699999 ENDENTRY 16 0 3183799999999