ENTRY 31779 20171219 31813177900000001 SUBENT 31779001 20171219 31813177900100001 BIB 14 137 3177900100002 TITLE Measurement of 208Pb(n,g)209Pb Maxwellian averaged 3177900100003 neutron capture cross section. 3177900100004 AUTHOR (L.Weissman, M.Tessler, A.Arenshtam, I.Eliyahu, 3177900100005 S.Halfon, C.Guerrero, B.Kaizer, D.Kijel, A.Kreisel, 3177900100006 T.Palchan, M.Paul, A.Perry, G.Schimel, I.Silverman, 3177900100007 A.Shor, N.Tamim, S.Vaintraub) 3177900100008 INSTITUTE (3ISLSOR,3ISLHEB,2SPNSEU) 3177900100009 REFERENCE (J,PR/C,96,015802,2017) 3177900100010 #doi:10.1103/PhysRevC.96015802 3177900100011 FACILITY (LINAC,3ISLSOR) SARAF accelerator was used for 3177900100012 production of neutron beam. 3177900100013 INC-SOURCE (P-LI7) Liquid lithium target (18-mm-wide and 3177900100014 1.5-mm-thick) was bombarded by protons (Ep=1938+/-3 keV3177900100015 with energy spread of 15 keV at one sigma). 3177900100016 INC-SPECT Monte-Carlo simulations of neutron spectra (received 3177900100017 from Leo Weissman on 24 December 2017) were obtained 3177900100018 by SimLiT-GEANT4 codes: 3177900100019 --------------------------------------------------- 3177900100020 En dn/dE En dn/dE En dn/dE 3177900100021 keV n/mC/keV keV n/mC/keV keV n/mC/keV 3177900100022 --------------------------------------------------- 3177900100023 0 4.7340E+07 100 2.1046E+08 200 9.0746E+04 3177900100024 1 9.3286E+07 101 2.0676E+08 201 7.1438E+04 3177900100025 2 1.2089E+08 102 2.0003E+08 202 4.2477E+04 3177900100026 3 1.4915E+08 103 1.9956E+08 203 5.4061E+04 3177900100027 4 1.7013E+08 104 1.9550E+08 204 3.4754E+04 3177900100028 5 1.9087E+08 105 1.9082E+08 205 3.2823E+04 3177900100029 6 2.1229E+08 106 1.8656E+08 206 2.7031E+04 3177900100030 7 2.2449E+08 107 1.8208E+08 207 2.5100E+04 3177900100031 8 2.3508E+08 108 1.7455E+08 208 1.1585E+04 3177900100032 9 2.5941E+08 109 1.6996E+08 209 1.9308E+04 3177900100033 10 2.7782E+08 110 1.6693E+08 210 1.7377E+04 3177900100034 11 2.9190E+08 111 1.6171E+08 211 1.3515E+04 3177900100035 12 2.9981E+08 112 1.5613E+08 212 5.7923E+03 3177900100036 13 3.1455E+08 113 1.5324E+08 213 5.7923E+03 3177900100037 14 3.3500E+08 114 1.4876E+08 214 9.6538E+03 3177900100038 15 3.2393E+08 115 1.4454E+08 215 5.7923E+03 3177900100039 16 3.4275E+08 116 1.4060E+08 216 9.6538E+03 3177900100040 17 3.5999E+08 117 1.3584E+08 217 5.7923E+03 3177900100041 18 3.7334E+08 118 1.2855E+08 218 3.8615E+03 3177900100042 19 3.8458E+08 119 1.2290E+08 219 0.0000E+00 3177900100043 20 3.9298E+08 120 1.1885E+08 220 1.9308E+03 3177900100044 21 4.0044E+08 121 1.1704E+08 221 1.9308E+03 3177900100045 22 4.1325E+08 122 1.1109E+08 222 0.0000E+00 3177900100046 23 4.2206E+08 123 1.1007E+08 223 0.0000E+00 3177900100047 24 4.3264E+08 124 1.0524E+08 224 3.8615E+03 3177900100048 25 4.5926E+08 125 1.0241E+08 225 1.9308E+03 3177900100049 26 4.8746E+08 126 9.9787E+07 226 0.0000E+00 3177900100050 27 3.9531E+08 127 9.6708E+07 227 0.0000E+00 3177900100051 28 3.6817E+08 128 9.2201E+07 228 0.0000E+00 3177900100052 29 4.3852E+08 129 8.5704E+07 229 1.9308E+03 3177900100053 30 4.7957E+08 130 7.9532E+07 230 0.0000E+00 3177900100054 31 4.9686E+08 131 7.9843E+07 231 0.0000E+00 3177900100055 32 4.9299E+08 132 7.6802E+07 232 0.0000E+00 3177900100056 33 4.7719E+08 133 7.3608E+07 233 0.0000E+00 3177900100057 34 4.4674E+08 134 7.1303E+07 234 0.0000E+00 3177900100058 35 4.3261E+08 135 6.7526E+07 235 0.0000E+00 3177900100059 36 4.4388E+08 136 6.4810E+07 236 0.0000E+00 3177900100060 37 4.5656E+08 137 6.1201E+07 237 0.0000E+00 3177900100061 38 4.6120E+08 138 5.7900E+07 238 0.0000E+00 3177900100062 39 4.6711E+08 139 5.3308E+07 239 0.0000E+00 3177900100063 40 4.6945E+08 140 4.8122E+07 240 0.0000E+00 3177900100064 41 4.6644E+08 141 4.4550E+07 241 0.0000E+00 3177900100065 42 4.6823E+08 142 4.1917E+07 242 0.0000E+00 3177900100066 43 4.6658E+08 143 4.0193E+07 243 0.0000E+00 3177900100067 44 4.6793E+08 144 3.8619E+07 244 0.0000E+00 3177900100068 45 4.6817E+08 145 3.6188E+07 245 0.0000E+00 3177900100069 46 4.6552E+08 146 3.4551E+07 246 0.0000E+00 3177900100070 47 4.6586E+08 147 3.2684E+07 247 0.0000E+00 3177900100071 48 4.6547E+08 148 3.0166E+07 248 0.0000E+00 3177900100072 49 4.5995E+08 149 2.9025E+07 249 0.0000E+00 3177900100073 50 4.3508E+08 150 2.6994E+07 250 0.0000E+00 3177900100074 51 4.4210E+08 151 2.5187E+07 3177900100075 52 4.3737E+08 152 2.3760E+07 3177900100076 53 4.4008E+08 153 2.2098E+07 3177900100077 54 4.4077E+08 154 2.0383E+07 3177900100078 55 4.3694E+08 155 1.9228E+07 3177900100079 56 4.3628E+08 156 1.7587E+07 3177900100080 57 4.2654E+08 157 1.6201E+07 3177900100081 58 4.2783E+08 158 1.4485E+07 3177900100082 59 4.2386E+08 159 1.3044E+07 3177900100083 60 4.2129E+08 160 1.2430E+07 3177900100084 61 4.1755E+08 161 1.1334E+07 3177900100085 62 4.1200E+08 162 1.0532E+07 3177900100086 63 4.0281E+08 163 9.7098E+06 3177900100087 64 3.9786E+08 164 8.8931E+06 3177900100088 65 3.9141E+08 165 8.0725E+06 3177900100089 66 3.8994E+08 166 7.3485E+06 3177900100090 67 3.8895E+08 167 6.8233E+06 3177900100091 68 3.8479E+08 168 6.1881E+06 3177900100092 69 3.8250E+08 169 5.4138E+06 3177900100093 70 3.8062E+08 170 4.9176E+06 3177900100094 71 3.7918E+08 171 4.6512E+06 3177900100095 72 3.7851E+08 172 4.2226E+06 3177900100096 73 3.6674E+08 173 3.5584E+06 3177900100097 74 3.3186E+08 174 3.2417E+06 3177900100098 75 3.5182E+08 175 2.8846E+06 3177900100099 76 3.5235E+08 176 2.7475E+06 3177900100100 77 3.4810E+08 177 2.4019E+06 3177900100101 78 3.4370E+08 178 2.0312E+06 3177900100102 79 3.4022E+08 179 1.8921E+06 3177900100103 80 3.3410E+08 180 1.7377E+06 3177900100104 81 3.3227E+08 181 1.5350E+06 3177900100105 82 3.2495E+08 182 1.2569E+06 3177900100106 83 2.9004E+08 183 1.1681E+06 3177900100107 84 2.7953E+08 184 9.9241E+05 3177900100108 85 2.8136E+08 185 8.8622E+05 3177900100109 86 2.7484E+08 186 7.1824E+05 3177900100110 87 2.6883E+08 187 7.1631E+05 3177900100111 88 2.6808E+08 188 5.8502E+05 3177900100112 89 2.6048E+08 189 4.7304E+05 3177900100113 90 2.5577E+08 190 4.3249E+05 3177900100114 91 2.5102E+08 191 3.4174E+05 3177900100115 92 2.5090E+08 192 3.1858E+05 3177900100116 93 2.4634E+08 193 2.4714E+05 3177900100117 94 2.4005E+08 194 2.5100E+05 3177900100118 95 2.3543E+08 195 2.0659E+05 3177900100119 96 2.2757E+08 196 1.7570E+05 3177900100120 97 2.2407E+08 197 1.4867E+05 3177900100121 98 2.1631E+08 198 1.2743E+05 3177900100122 99 2.1336E+08 199 9.6538E+04 3177900100123 --------------------------------------------------- 3177900100124 METHOD (ACTIV) 3177900100125 DETECTOR (HPGE) Germanium detector was used for gamma 3177900100126 registration. 3177900100127 (IMPSI) Beta-counter iSolo500 with a 500-mm2 area and 3177900100128 a 500 mu-m thick detector. 3177900100129 MONITOR (79-AU-197(N,G)79-AU-198,,SIG,,SPA) 3177900100130 DECAY-MON (79-AU-198-G,64.68HR,DG,411.8,0.956) 3177900100131 MONIT-REF (,,3,ENDF/B-VII.1,,2011) 3177900100132 ERR-ANALYS (ERR-T) Total error. 3177900100133 (MONIT-ERR) Uncertainty of Au cross section from 3177900100134 evaluation. 3177900100135 (ERR-1) Au-198 411.8-keV gamma Ge efficiency. 3177900100136 (ERR-2) Au-198 411.8-keV gamma peak statistical 3177900100137 error. 3177900100138 HISTORY (20171219C) SS + On 3177900100139 ENDBIB 137 0 3177900100140 COMMON 4 3 3177900100141 MONIT MONIT-ERR ERR-1 ERR-2 3177900100142 MB MB PER-CENT PER-CENT 3177900100143 537. 11. 2.0 0.65 3177900100144 ENDCOMMON 3 0 3177900100145 ENDSUBENT 144 0 3177900199999 SUBENT 31779002 20171219 31813177900200001 BIB 7 23 3177900200002 REACTION (82-PB-208(N,G)82-PB-209,,SIG,,SPA) 3177900200003 DECAY-DATA (82-PB-209,3.253HR,B-,644.,1.00) 3177900200004 SAMPLE (82-PB-208,ENR=0.9999) Self-supporting 25x25 mm2 foil 3177900200005 (thickness of 3.79 +/- 0.02 mg/cm2 or 3177900200006 3.34 +/- 0.02 mu-m) was sandwiched between two 3177900200007 25x25 mm2 gold foils with the thickness of 3177900200008 23.6 +/- 0.01 mg/cm2 and 23.4 +/- 0.01 mg/cm2 for 3177900200009 downstream and upstream foil. Gold foils were used for 3177900200010 gamma registration. 3177900200011 ERR-ANALYS (ERR-3) Cu-64 1345.8-keV gamma peak statistical error.3177900200012 (ERR-4) Cu-64 1345.8-keV gamma Ge efficiency. 3177900200013 (ERR-5) Uncertainty from GEANT4 simulations. 3177900200014 (ERR-6) Error on nonpointlike source correction. 3177900200015 (ERR-7) Error on Cu-64 beta and positron branching. 3177900200016 (ERR-8) Error on Cu-64 1345.8-keV gamma branching. 3177900200017 (ERR-9) Cu-64 beta and positron statistical errors. 3177900200018 (ERR-10) Lead foil mass uncertainty. 3177900200019 (ERR-11) Pb-209 beta statistical error. 3177900200020 METHOD (BSPEC) 3177900200021 ANALYSIS Beta detection efficiency was determined by measuring 3177900200022 both gamma (1345.8 keV) and beta of Cu-64 decay for 3177900200023 which gamma detection efficiency is well determined. 3177900200024 STATUS (TABLE) Table 3 from J,PR/C,96,015802,2017. 3177900200025 ENDBIB 23 0 3177900200026 COMMON 9 6 3177900200027 ERR-3 ERR-4 ERR-5 ERR-6 ERR-7 ERR-8 3177900200028 ERR-9 ERR-10 ERR-11 3177900200029 PER-CENT PER-CENT PER-CENT PER-CENT PER-CENT PER-CENT 3177900200030 PER-CENT PER-CENT PER-CENT 3177900200031 3.9 2.7 2. 1. 1.4 0.73177900200032 0.3 0.45 0.2 3177900200033 ENDCOMMON 6 0 3177900200034 DATA 3 1 3177900200035 EN-DUMMY DATA ERR-T 3177900200036 KEV MB MB 3177900200037 35. 0.30 0.02 3177900200038 ENDDATA 3 0 3177900200039 ENDSUBENT 38 0 3177900299999 SUBENT 31779003 20171219 31813177900300001 BIB 4 16 3177900300002 REACTION (82-PB-208(N,G)82-PB-209,,SIG,,MXW) 3177900300003 ANALYSIS The Maxwellian averaged cross section (MXW) is the 3177900300004 experimental spectrum averaged cross section (SPA) 3177900300005 multiplied by the MXW/SPA ratio calculated by 3177900300006 JENDL-4.0. 3177900300007 ERR-ANALYS (ERR-3) Cu-64 1345.8-keV gamma peak statistical error.3177900300008 (ERR-4) Cu-64 1345.8-keV gamma Ge efficiency. 3177900300009 (ERR-5) Uncertainty from GEANT4 simulations. 3177900300010 (ERR-6) Error on nonpointlike source correction. 3177900300011 (ERR-7) Error on Cu-64 beta and positron branching. 3177900300012 (ERR-8) Error on Cu-64 1345.8-keV gamma branching. 3177900300013 (ERR-9) Cu-64 beta and positron statistical errors. 3177900300014 (ERR-10) Lead foil mass uncertainty. 3177900300015 (ERR-11) Pb-209 beta statistical error. 3177900300016 STATUS (TABLE) Text, p.015802-7 of J,PR/C,96,015802,2017. 3177900300017 (DEP,31779002) Spectrum averaged cross sections. 3177900300018 ENDBIB 16 0 3177900300019 COMMON 9 6 3177900300020 ERR-3 ERR-4 ERR-5 ERR-6 ERR-7 ERR-8 3177900300021 ERR-9 ERR-10 ERR-11 3177900300022 PER-CENT PER-CENT PER-CENT PER-CENT PER-CENT PER-CENT 3177900300023 PER-CENT PER-CENT PER-CENT 3177900300024 3.9 2.7 2. 1. 1.4 0.73177900300025 0.3 0.45 0.2 3177900300026 ENDCOMMON 6 0 3177900300027 DATA 3 1 3177900300028 KT DATA ERR-T 3177900300029 KEV MB MB 3177900300030 30. 0.33 0.02 3177900300031 ENDDATA 3 0 3177900300032 ENDSUBENT 31 0 3177900399999 SUBENT 31779004 20171219 31813177900400001 BIB 6 12 3177900400002 REACTION (29-CU-63(N,G)29-CU-64,,SIG,,SPA) 3177900400003 DECAY-DATA (29-CU-64,12.70HR,DG,1345.8,0.00475) 3177900400004 SAMPLE The 25x25 mm2 copper foil (situated between lead and 3177900400005 the downstream gold foil) supported by 12.5 mu-m 3177900400006 Mylar sheet was used. 3177900400007 METHOD (GSPEC) 3177900400008 ERR-ANALYS (ERR-3) Cu-64 1345.8-keV gamma peak statistical error. 3177900400009 (ERR-4) Cu-64 1345.8-keV gamma Ge efficiency. 3177900400010 (ERR-5) Uncertainty from GEANT4 simulations. 3177900400011 (ERR-6) Error on nonpointlike source correction. 3177900400012 (ERR-7) Error on Cu-64 1345.8-keV gamma branching. 3177900400013 STATUS (TABLE) Table 3 from J,PR/C,96,015802,2017. 3177900400014 ENDBIB 12 0 3177900400015 COMMON 5 3 3177900400016 ERR-3 ERR-4 ERR-5 ERR-6 ERR-7 3177900400017 PER-CENT PER-CENT PER-CENT PER-CENT PER-CENT 3177900400018 3.9 2.7 2. 1. 0.7 3177900400019 ENDCOMMON 3 0 3177900400020 DATA 3 1 3177900400021 EN-DUMMY DATA ERR-T 3177900400022 KEV MB MB 3177900400023 35. 67.1 3.4 3177900400024 ENDDATA 3 0 3177900400025 ENDSUBENT 24 0 3177900499999 SUBENT 31779005 20171219 31813177900500001 BIB 4 12 3177900500002 REACTION (29-CU-63(N,G)29-CU-64,,SIG,,MXW) 3177900500003 ANALYSIS The Maxwellian averaged cross section (MXW) is the 3177900500004 experimental spectrum averaged cross section (SPA) 3177900500005 multiplied by the MXW/SPA ratio calculated by 3177900500006 JENDL-4.0 and ENDF/B-VII.1. 3177900500007 ERR-ANALYS (ERR-3) Cu-64 1345.8-keV gamma peak statistical error. 3177900500008 (ERR-4) Cu-64 1345.8-keV gamma Ge efficiency. 3177900500009 (ERR-5) Uncertainty from GEANT4 simulations. 3177900500010 (ERR-6) Error on nonpointlike source correction. 3177900500011 (ERR-7) Error on Cu-64 1345.8-keV gamma branching. 3177900500012 STATUS (TABLE) Text, p.015802-7, of J,PR/C,96,015802,2017. 3177900500013 (DEP,31779004) Spectrum averaged cross sections. 3177900500014 ENDBIB 12 0 3177900500015 COMMON 5 3 3177900500016 ERR-3 ERR-4 ERR-5 ERR-6 ERR-7 3177900500017 PER-CENT PER-CENT PER-CENT PER-CENT PER-CENT 3177900500018 3.9 2.7 2. 1. 0.7 3177900500019 ENDCOMMON 3 0 3177900500020 DATA 3 1 3177900500021 KT DATA ERR-T 3177900500022 KEV MB MB 3177900500023 30. 69.7 3.4 3177900500024 ENDDATA 3 0 3177900500025 ENDSUBENT 24 0 3177900599999 ENDENTRY 5 0 3177999999999