ENTRY 23468 20211202 23052346800000001 SUBENT 23468001 20211202 23052346800100001 BIB 14 43 2346800100002 TITLE Accelerator mass spectrometry measurement of the 2346800100003 reaction 35Cl(n,g)36Cl at keV energies 2346800100004 AUTHOR (S.Pavetich, A.Wallner, M.Martschini, S.Akhmadaliev, 2346800100005 I.Dillmann, K.Fifield, S.Halfon, T.Heftrich, 2346800100006 F.Kaeppeler, C.Lederer-Woods, S.Merchel, M.Paul, 2346800100007 R.Reifarth, G.Rugel, P.Steier, M.Tessler, S.Tims, 2346800100008 M.Weigand, L.Weissman) 2346800100009 INSTITUTE (2AUSVIE,3AULCBR,2GERZFK,1CANTMF,2GERKFK, 2346800100010 3ISLSOR,2GERFRK,2UK EDG,3ISLHEB,1CANVCT) 2346800100011 REFERENCE (J,PR/C,99,015801,2019) 2346800100012 #doi:10.1103/PhysRevC.99.015801 2346800100013 FACILITY (VDG,2GERKFK) KIT 3.7 MV Van de Graaff for kT~30 keV 2346800100014 (LINAC,3ISLSOR) SARAF LiLiT beam line for kT~40 keV 2346800100015 INC-SOURCE (P-LI7) Neutron produced by 2346800100016 - KIT: a 30 um thick Li target with Ep=1912 keV 2346800100017 - SARAF: a 30 um thick LiF target with Ep=1930(3) keV 2346800100018 with an energy spread of 15 keV 2346800100019 SAMPLE - KIT: NaCl powder (99.99% purity) of natural isotopic 2346800100020 composition 35Cl/37Cl = 3.125(15) pressed into pellet2346800100021 (KIT1, 46.1 mg, 0.75 mm thick, 6 mm diam.) 2346800100022 - SARAF: A NaCl (purity>99.92%) pellet (SPI9, 203.9 mg,2346800100023 0.83 mm thick, 12 mm diam.) 2346800100024 METHOD (AMS) The number of 36Cl atoms was determined by 2346800100025 36Cl/35Cl ratio measurement at VERA (Vienna) 2346800100026 and DREAM (Canberra) for sample irradiated at 2346800100027 KIT and SARAF, respectively. 2346800100028 (ACTIV) 2346800100029 DETECTOR (HPGE) 198Au 411.8 keV line was measured by 2346800100030 - KIT: a high purity germanium (HPGe) detector of 2346800100031 2.12(4)% efficiency 2346800100032 - SARAF: a coaxial HPGe detector with an efficiency 2346800100033 of 1.22(3)% 2346800100034 MONITOR (79-AU-197(N,G)79-AU-198,,SIG,,SPA) 2346800100035 DECAY-MON (79-AU-198-G,2.6947D,DG,411.8,0.9562) 2346800100036 ADD-RES (THEO) MACS for kT = (2-100) keV calculated from the 2346800100037 ENDF/B-VII.1 data scaled by the spectrum averaged 2346800100038 cross sections measured in this work 2346800100039 STATUS (APRVD) Proof-read by S.Pavetich (2019-03-08) 2346800100040 HISTORY (20190227C) VS 2346800100041 (20200610A) VS. Ratio to Au ENDF cross section for the 2346800100042 neutron irradiation field and MONIT deleted in 002-0032346800100043 (20211202A) SD: MONIT added according to comment from 2346800100044 A.Wallner, 2021-11-27. 2346800100045 ENDBIB 43 0 2346800100046 COMMON 2 3 2346800100047 MONIT MONIT-ERR 2346800100048 MB MB 2346800100049 640. 11. 2346800100050 ENDCOMMON 3 0 2346800100051 ENDSUBENT 50 0 2346800199999 SUBENT 23468002 20201006 22922346800200001 BIB 8 27 2346800200002 REACTION (17-CL-35(N,G)17-CL-36,,SIG,,SPA) 2346800200003 FACILITY (VDG,2GERKFK) 3.7 MV Van de Graaff 2346800200004 INC-SOURCE (P-LI7) A 30 um thick Li target; Ep=1912 keV. 2346800200005 SAMPLE NaCl powder (99.99% purity) of natural isotopic 2346800200006 composition 35Cl/37Cl = 3.125(15) was pressed into 2346800200007 pellet (KIT1) with a mass of 46.1 mg, a thickness of 2346800200008 0.75 mm, and a diameter of 6 mm. 2346800200009 The data from the second sample (KIT2) was not used for2346800200010 the evaluation due to inconsistencies during the 2346800200011 irradiation. 2346800200012 METHOD (AMS) The number of 36Cl atoms was determined by 2346800200013 36Cl/35Cl ratio measurement at AMS facility VERA. 2346800200014 ERR-ANALYS (ERR-T) The total uncertainty was determined by the 2346800200015 following individual uncertainties: 2346800200016 (ERR-S) AMS measurement uncertainty - 0.71% 2346800200017 (ERR-1) sample mass - 1% 2346800200018 (ERR-2) gamma-ray intensity - 0.06% 2346800200019 (ERR-3) HPGe detector efficiency - 2.0% 2346800200020 (ERR-4) SACS for the monitor reaction - 1.4% 2346800200021 (ERR-5) Neutron spectrum - 5.0% 2346800200022 (ERR-6) Statistics activation - 0.16% 2346800200023 (ERR-7) Natural 35Cl/37Cl ratio - 0.43% 2346800200024 (ERR-8) Nominal 36Cl/35Cl ratio of SM-Cl-11 - 0.94% 2346800200025 STATUS (TABLE) Table VI of Phys.Rev.C99(2019)015801. 2346800200026 (SUPPL,23468005) Neutron source spectrum. 2346800200027 HISTORY (20200610A) VS. Ratio to Au ENDF cross section for the 2346800200028 neutron irradiation field and MONIT deleted. 2346800200029 ENDBIB 27 0 2346800200030 COMMON 9 6 2346800200031 ERR-S ERR-1 ERR-2 ERR-3 ERR-4 ERR-5 2346800200032 ERR-6 ERR-7 ERR-8 2346800200033 PER-CENT PER-CENT PER-CENT PER-CENT PER-CENT PER-CENT 2346800200034 PER-CENT PER-CENT PER-CENT 2346800200035 0.71 1.0 0.06 2.0 1.4 5.02346800200036 0.16 0.43 0.94 2346800200037 ENDCOMMON 6 0 2346800200038 DATA 3 1 2346800200039 KT-DUMMY DATA ERR-T 2346800200040 KEV MB MB 2346800200041 30. 9.2 0.5 2346800200042 ENDDATA 3 0 2346800200043 ENDSUBENT 42 0 2346800299999 SUBENT 23468003 20201006 22922346800300001 BIB 8 28 2346800300002 REACTION (17-CL-35(N,G)17-CL-36,,SIG,,SPA) 2346800300003 FACILITY (LINAC,3ISLSOR) Soreq Applied Research Accelerator 2346800300004 Facility (SARAF) using the Liquid-Lithium Target 2346800300005 INC-SOURCE (P-LI7) A 30 um thick LiF target, Ep = 1930(3) keV with2346800300006 an energy spread of 15 keV. 2346800300007 SAMPLE A NaCl (purity>99.92%) pellet (SPI9) with a mass of 2346800300008 203.9 mg, a thickness of 0.83 mm, and a diameter of 2346800300009 12 mm was used. 2346800300010 METHOD (AMS) The number of 36Cl atoms was determined by 2346800300011 36Cl/35Cl ratio measurement at DREAMS and Heavy Ion 2346800300012 Accelerator facility of Australian National University.2346800300013 ERR-ANALYS (ERR-T) The total uncertainty was determined by the 2346800300014 following individual uncertainties: 2346800300015 (ERR-S) AMS measurement uncertainty - 2.13% 2346800300016 (ERR-1) sample mass - 0.5% 2346800300017 (ERR-2) gamma-ray intensity - 0.06% 2346800300018 (ERR-3) HPGe detector efficiency - 2.4% 2346800300019 (ERR-4) SACS for the monitor reaction - 1.4% 2346800300020 (ERR-5) Neutron spectrum - 3.2% 2346800300021 - position and stability of the beam 2.5% 2346800300022 - simulation of spectra 2.0 2346800300023 (ERR-6) Statistics activation - 0.23% 2346800300024 (ERR-7) Natural 35Cl/37Cl ratio - 0.43% 2346800300025 (ERR-8) Nominal 36Cl/35Cl ratio of SM-Cl-11 - 0.94% 2346800300026 STATUS (TABLE) Table VI of Phys.Rev.C99(2019)015801. 2346800300027 (SUPPL,23468006) Neutron source spectrum. 2346800300028 HISTORY (20200610A) VS. Ratio to Au ENDF cross section for the 2346800300029 neutron irradiation field and MONIT deleted. 2346800300030 ENDBIB 28 0 2346800300031 COMMON 9 6 2346800300032 ERR-S ERR-1 ERR-2 ERR-3 ERR-4 ERR-5 2346800300033 ERR-6 ERR-7 ERR-8 2346800300034 PER-CENT PER-CENT PER-CENT PER-CENT PER-CENT PER-CENT 2346800300035 PER-CENT PER-CENT PER-CENT 2346800300036 2.13 0.5 0.06 2.4 1.4 3.22346800300037 0.23 0.43 0.94 2346800300038 ENDCOMMON 6 0 2346800300039 DATA 3 1 2346800300040 KT-DUMMY DATA ERR-T 2346800300041 KEV MB MB 2346800300042 40. 6.42 0.29 2346800300043 ENDDATA 3 0 2346800300044 ENDSUBENT 43 0 2346800399999 SUBENT 23468004 20190301 22792346800400001 BIB 4 8 2346800400002 REACTION (17-CL-35(N,G)17-CL-36,,SIG,,MXW,DERIV) 2346800400003 ANALYSIS A weighted average ratio of the ratios of the measured 2346800400004 SACS to the monitor SACS. 2346800400005 ERR-ANALYS (DATA-ERR) Only the uncertainty of weighted average 2346800400006 ratio was considered. 2346800400007 STATUS (TABLE) Table VI of Phys.Rev.C99(2019)015801. 2346800400008 (DEP,23468002) Data from KIT irradiated sample. 2346800400009 (DEP,23468003) Data from SARAF irradiated sample. 2346800400010 ENDBIB 8 0 2346800400011 NOCOMMON 0 0 2346800400012 DATA 3 1 2346800400013 KT DATA DATA-ERR 2346800400014 KEV MB MB 2346800400015 30. 8.33 0.32 2346800400016 ENDDATA 3 0 2346800400017 ENDSUBENT 16 0 2346800499999 SUBENT 23468005 20190705 22792346800500001 BIB 3 121 2346800500002 SUPPL-INF (INCSP) Neutron flux (spectrum) normalized 1 2346800500003 Col. 1: Incident neutron energy (keV) 2346800500004 Col. 2: Neutron flux (1/keV) 2346800500005 ------------------------------------------------- 2346800500006 0 6.79883E-4 2346800500007 1 0.00266 2346800500008 2 0.00402 2346800500009 3 0.0051 2346800500010 4 0.00603 2346800500011 5 0.00684 2346800500012 6 0.00762 2346800500013 7 0.00824 2346800500014 8 0.00897 2346800500015 9 0.00957 2346800500016 10 0.01011 2346800500017 11 0.01062 2346800500018 12 0.01113 2346800500019 13 0.01156 2346800500020 14 0.01203 2346800500021 15 0.01245 2346800500022 16 0.01277 2346800500023 17 0.01313 2346800500024 18 0.01348 2346800500025 19 0.01377 2346800500026 20 0.01407 2346800500027 21 0.0143 2346800500028 22 0.01447 2346800500029 23 0.01469 2346800500030 24 0.0148 2346800500031 25 0.01497 2346800500032 26 0.01508 2346800500033 27 0.01517 2346800500034 28 0.01523 2346800500035 29 0.0153 2346800500036 30 0.01529 2346800500037 31 0.0153 2346800500038 32 0.01525 2346800500039 33 0.01524 2346800500040 34 0.0152 2346800500041 35 0.01513 2346800500042 36 0.015 2346800500043 37 0.01495 2346800500044 38 0.01482 2346800500045 39 0.01471 2346800500046 40 0.01455 2346800500047 41 0.0144 2346800500048 42 0.0143 2346800500049 43 0.01413 2346800500050 44 0.01396 2346800500051 45 0.0138 2346800500052 46 0.01359 2346800500053 47 0.01346 2346800500054 48 0.01321 2346800500055 49 0.01305 2346800500056 50 0.01284 2346800500057 51 0.01272 2346800500058 52 0.0124 2346800500059 53 0.01228 2346800500060 54 0.01202 2346800500061 55 0.01182 2346800500062 56 0.0116 2346800500063 57 0.01143 2346800500064 58 0.01116 2346800500065 59 0.01096 2346800500066 60 0.01077 2346800500067 61 0.01058 2346800500068 62 0.01026 2346800500069 63 0.01009 2346800500070 64 0.00983 2346800500071 65 0.00963 2346800500072 66 0.00942 2346800500073 67 0.00918 2346800500074 68 0.00898 2346800500075 69 0.00875 2346800500076 70 0.00849 2346800500077 71 0.0083 2346800500078 72 0.00805 2346800500079 73 0.00784 2346800500080 74 0.00762 2346800500081 75 0.00739 2346800500082 76 0.00715 2346800500083 77 0.00695 2346800500084 78 0.00673 2346800500085 79 0.00647 2346800500086 80 0.00623 2346800500087 81 0.00601 2346800500088 82 0.00579 2346800500089 83 0.00557 2346800500090 84 0.00532 2346800500091 85 0.00511 2346800500092 86 0.00489 2346800500093 87 0.00465 2346800500094 88 0.00442 2346800500095 89 0.0042 2346800500096 90 0.00398 2346800500097 91 0.00376 2346800500098 92 0.00355 2346800500099 93 0.00333 2346800500100 94 0.0031 2346800500101 95 0.00287 2346800500102 96 0.00264 2346800500103 97 0.00242 2346800500104 98 0.00219 2346800500105 99 0.00198 2346800500106 100 0.00176 2346800500107 101 0.00151 2346800500108 102 0.00129 2346800500109 103 0.00109 2346800500110 104 8.49787E-4 2346800500111 105 6.42826E-4 2346800500112 106 4.30576E-4 2346800500113 107 2.54689E-4 2346800500114 108 1.25424E-4 2346800500115 109 4.97255E-5 2346800500116 110 1.69137E-5 2346800500117 111 3.84088E-6 2346800500118 112 7.07394E-7 2346800500119 113 7.56922E-8 2346800500120 114 2.53008E-8 2346800500121 STATUS (TABLE) Fig. 2 (a) data received from authors 2346800500122 HISTORY (20190306R) Data received from S.Pavetich. 2346800500123 ENDBIB 121 0 2346800500124 NOCOMMON 0 0 2346800500125 NODATA 0 0 2346800500126 ENDSUBENT 125 0 2346800599999 SUBENT 23468006 20190705 22792346800600001 BIB 3 207 2346800600002 SUPPL-INF (INCSP) Neutron flux (spectrum) normalized 1 2346800600003 Col. 1: Incident neutron energy (keV) 2346800600004 Col. 2: Neutron flux (1/keV) 2346800600005 ------------------------------------------------- 2346800600006 0 8.75103E-4 2346800600007 1 0.00176 2346800600008 2 0.0024 2346800600009 3 0.00299 2346800600010 4 0.00344 2346800600011 5 0.00387 2346800600012 6 0.00433 2346800600013 7 0.00464 2346800600014 8 0.00493 2346800600015 9 0.0054 2346800600016 10 0.0058 2346800600017 11 0.00615 2346800600018 12 0.00637 2346800600019 13 0.0067 2346800600020 14 0.00714 2346800600021 15 0.00705 2346800600022 16 0.00751 2346800600023 17 0.00788 2346800600024 18 0.00822 2346800600025 19 0.00852 2346800600026 20 0.00872 2346800600027 21 0.00899 2346800600028 22 0.00929 2346800600029 23 0.00956 2346800600030 24 0.00984 2346800600031 25 0.01027 2346800600032 26 0.01079 2346800600033 27 0.00907 2346800600034 28 0.00857 2346800600035 29 0.00996 2346800600036 30 0.01078 2346800600037 31 0.01113 2346800600038 32 0.01125 2346800600039 33 0.01103 2346800600040 34 0.0105 2346800600041 35 0.01025 2346800600042 36 0.01046 2346800600043 37 0.0107 2346800600044 38 0.01084 2346800600045 39 0.01097 2346800600046 40 0.01107 2346800600047 41 0.01102 2346800600048 42 0.01106 2346800600049 43 0.01104 2346800600050 44 0.01109 2346800600051 45 0.01114 2346800600052 46 0.01106 2346800600053 47 0.0111 2346800600054 48 0.01111 2346800600055 49 0.01098 2346800600056 50 0.01055 2346800600057 51 0.01065 2346800600058 52 0.01051 2346800600059 53 0.01065 2346800600060 54 0.01069 2346800600061 55 0.01062 2346800600062 56 0.01061 2346800600063 57 0.01042 2346800600064 58 0.01051 2346800600065 59 0.01046 2346800600066 60 0.01038 2346800600067 61 0.01028 2346800600068 62 0.01023 2346800600069 63 0.00999 2346800600070 64 0.0099 2346800600071 65 0.00986 2346800600072 66 0.00975 2346800600073 67 0.00976 2346800600074 68 0.00972 2346800600075 69 0.0097 2346800600076 70 0.00965 2346800600077 71 0.00957 2346800600078 72 0.0095 2346800600079 73 0.00927 2346800600080 74 0.00846 2346800600081 75 0.00901 2346800600082 76 0.00898 2346800600083 77 0.00893 2346800600084 78 0.00886 2346800600085 79 0.00879 2346800600086 80 0.00861 2346800600087 81 0.00855 2346800600088 82 0.00841 2346800600089 83 0.00755 2346800600090 84 0.00734 2346800600091 85 0.00738 2346800600092 86 0.00729 2346800600093 87 0.00714 2346800600094 88 0.00706 2346800600095 89 0.00697 2346800600096 90 0.00684 2346800600097 91 0.00669 2346800600098 92 0.00666 2346800600099 93 0.00658 2346800600100 94 0.00638 2346800600101 95 0.00624 2346800600102 96 0.00608 2346800600103 97 0.00594 2346800600104 98 0.0058 2346800600105 99 0.0057 2346800600106 100 0.00559 2346800600107 101 0.00549 2346800600108 102 0.00535 2346800600109 103 0.00528 2346800600110 104 0.00521 2346800600111 105 0.00508 2346800600112 106 0.00493 2346800600113 107 0.00481 2346800600114 108 0.00465 2346800600115 109 0.0045 2346800600116 110 0.00441 2346800600117 111 0.00429 2346800600118 112 0.00417 2346800600119 113 0.00405 2346800600120 114 0.00389 2346800600121 115 0.0038 2346800600122 116 0.00364 2346800600123 117 0.00354 2346800600124 118 0.00337 2346800600125 119 0.00316 2346800600126 120 0.00303 2346800600127 121 0.00298 2346800600128 122 0.00282 2346800600129 123 0.0028 2346800600130 124 0.00265 2346800600131 125 0.00257 2346800600132 126 0.00247 2346800600133 127 0.00236 2346800600134 128 0.00226 2346800600135 129 0.0021 2346800600136 130 0.00196 2346800600137 131 0.00191 2346800600138 132 0.00185 2346800600139 133 0.00173 2346800600140 134 0.00166 2346800600141 135 0.00156 2346800600142 136 0.00147 2346800600143 137 0.00138 2346800600144 138 0.00129 2346800600145 139 0.00119 2346800600146 140 0.00106 2346800600147 141 9.67617E-4 2346800600148 142 9.19286E-4 2346800600149 143 8.63208E-4 2346800600150 144 8.19091E-4 2346800600151 145 7.62464E-4 2346800600152 146 7.14753E-4 2346800600153 147 6.49896E-4 2346800600154 148 6.16498E-4 2346800600155 149 5.66161E-4 2346800600156 150 5.3145E-4 2346800600157 151 4.97845E-4 2346800600158 152 4.5857E-4 2346800600159 153 4.14732E-4 2346800600160 154 3.81542E-4 2346800600161 155 3.5423E-4 2346800600162 156 3.19589E-4 2346800600163 157 2.88128E-4 2346800600164 158 2.5397E-4 2346800600165 159 2.2887E-4 2346800600166 160 2.15456E-4 2346800600167 161 1.89873E-4 2346800600168 162 1.81921E-4 2346800600169 163 1.58619E-4 2346800600170 164 1.432E-4 2346800600171 165 1.30684E-4 2346800600172 166 1.20382E-4 2346800600173 167 1.04409E-4 2346800600174 168 9.21703E-5 2346800600175 169 7.93093E-5 2346800600176 170 7.08737E-5 2346800600177 171 6.36134E-5 2346800600178 172 5.69755E-5 2346800600179 173 5.13056E-5 2346800600180 174 4.39763E-5 2346800600181 175 3.71309E-5 2346800600182 176 3.41576E-5 2346800600183 177 3.07696E-5 2346800600184 178 2.7174E-5 2346800600185 179 2.2403E-5 2346800600186 180 2.08127E-5 2346800600187 181 1.70788E-5 2346800600188 182 1.37599E-5 2346800600189 183 1.29993E-5 2346800600190 184 1.14089E-5 2346800600191 185 9.26544E-6 2346800600192 186 8.22827E-6 2346800600193 187 6.56879E-6 2346800600194 188 5.8082E-6 2346800600195 189 5.04759E-6 2346800600196 190 3.73384E-6 2346800600197 191 3.59555E-6 2346800600198 192 2.48922E-6 2346800600199 193 2.35093E-6 2346800600200 194 1.72863E-6 2346800600201 195 2.00521E-6 2346800600202 196 1.17547E-6 2346800600203 197 1.10632E-6 2346800600204 198 1.31376E-6 2346800600205 199 6.22305E-7 2346800600206 200 3.45726E-6 2346800600207 STATUS (TABLE) Fig. 2 (b) data received from authors 2346800600208 HISTORY (20190306R) Data received from S.Pavetich. 2346800600209 ENDBIB 207 0 2346800600210 NOCOMMON 0 0 2346800600211 NODATA 0 0 2346800600212 ENDSUBENT 211 0 2346800699999 ENDENTRY 6 0 2346899999999