ENTRY A0150 20200602 A095A015000000001 SUBENT A0150001 20200602 A095A015000100001 BIB 11 22 A015000100002 TITLE Emission of electron-positron pairs from light nuclei A015000100003 I: monopole transition in 16-O * A015000100004 AUTHOR (S.Devons, G.Coldring, G.R.Lindsey) A015000100005 INSTITUTE (2UK IST) Department of Physics, Imperial College, A015000100006 London A015000100007 REFERENCE (J,PPS/A,67,134,1954) A015000100008 FACILITY (ACCEL,2UK IST) A015000100009 SAMPLE The target (CaF2) was deposited by vacuum evaporation A015000100010 on a thin foil of aluminum (0.15 mg/cm2). A015000100011 DETECTOR (COIN,GEMUC,GEMUC) To detect electron and positron. A015000100012 A third similar counter was used in anti-coincidence, A015000100013 to avoid registering as pairs, single electrons which A015000100014 have scattered in the walls of one of the counters and A015000100015 detected in both. A015000100016 METHOD (BCINT,EXTB,COINC) A015000100017 ERR-ANALYS (ERR-1) Uncertainty in the beam current integration A015000100018 ADD-RES Positron-electron correlation data. A015000100019 HISTORY (20010318C) A015000100020 (20010703A) O.Schwerer remark is included. A015000100021 (20010703U) Last checking has been done. A015000100022 (20200602A) SD: Corrections in all Subents. Numerical A015000100023 data revised. ERR-ANALYS updated. A015000100024 ENDBIB 22 0 A015000100025 COMMON 2 3 A015000100026 EN-ERR ERR-1 A015000100027 KEV PER-CENT A015000100028 1. 2. A015000100029 ENDCOMMON 3 0 A015000100030 ENDSUBENT 29 0 A015000199999 SUBENT A0150002 20200602 A095A015000200001 BIB 6 11 A015000200002 REACTION (9-F-19(P,A)8-O-16,PAR,SIG) A015000200003 PART-DET (ICE) Electron-positron pairs. A015000200004 LEVEL-PROP (8-O-16,E-LVL=6.06,SPIN=0.,PARITY=+1.) A015000200005 COMMENT - by authors - half-life investigated state has been A015000200006 measured independently. The half-life = (5.+/-0.5)E-11 A015000200007 sec A015000200008 STATUS (CURVE) fig. 2 from Proc.Phys.Soc.(London),A67(1954)134A015000200009 For better presentation data before Ep=827.4 keV are A015000200010 given in the scale x 10. (see difference in ERR-DIG). A015000200011 HISTORY (20200602A) SD: SF9=EXP deleted from REACTION code. A015000200012 DATA-ERR -> ERR-DIG. EN-SEC deleted. STATUS added. A015000200013 ENDBIB 11 0 A015000200014 COMMON 1 3 A015000200015 E-LVL A015000200016 MEV A015000200017 6.06 A015000200018 ENDCOMMON 3 0 A015000200019 DATA 3 149 A015000200020 EN DATA ERR-DIG A015000200021 KEV MB MB A015000200022 638.9 0.074 0.004 A015000200023 641.9 0.074 0.004 A015000200024 646.4 0.075 0.004 A015000200025 649.5 0.075 0.004 A015000200026 653.9 0.085 0.004 A015000200027 654.0 0.080 0.004 A015000200028 656.9 0.090 0.004 A015000200029 659.9 0.101 0.004 A015000200030 662.6 0.155 0.004 A015000200031 662.8 0.114 0.004 A015000200032 666.5 0.258 0.004 A015000200033 668.2 0.227 0.004 A015000200034 672.7 0.232 0.004 A015000200035 677.7 0.155 0.004 A015000200036 678.0 0.101 0.004 A015000200037 682.6 0.101 0.004 A015000200038 684.1 0.101 0.004 A015000200039 688.3 0.150 0.004 A015000200040 688.6 0.114 0.004 A015000200041 694.3 0.166 0.004 A015000200042 697.0 0.223 0.004 A015000200043 701.1 0.292 0.004 A015000200044 701.8 0.429 0.004 A015000200045 702.0 0.390 0.004 A015000200046 704.7 0.455 0.004 A015000200047 709.1 0.478 0.004 A015000200048 712.1 0.473 0.004 A015000200049 721.6 0.414 0.004 A015000200050 727.8 0.375 0.004 A015000200051 730.9 0.370 0.004 A015000200052 732.4 0.378 0.004 A015000200053 738.5 0.360 0.004 A015000200054 740.0 0.365 0.004 A015000200055 740.0 0.360 0.004 A015000200056 743.1 0.348 0.004 A015000200057 747.6 0.353 0.004 A015000200058 747.7 0.348 0.004 A015000200059 750.6 0.363 0.004 A015000200060 755.1 0.363 0.004 A015000200061 755.2 0.356 0.004 A015000200062 759.5 0.394 0.004 A015000200063 761.0 0.394 0.004 A015000200064 762.5 0.397 0.004 A015000200065 765.5 0.395 0.004 A015000200066 769.9 0.418 0.004 A015000200067 774.2 0.454 0.004 A015000200068 778.7 0.475 0.004 A015000200069 786.4 0.452 0.004 A015000200070 788.0 0.431 0.004 A015000200071 791.0 0.429 0.004 A015000200072 792.4 0.452 0.004 A015000200073 796.9 0.465 0.004 A015000200074 808.4 0.560 0.004 A015000200075 810.9 0.645 0.004 A015000200076 815.0 0.715 0.004 A015000200077 827.4 1.61 0.04 A015000200078 828.6 2.13 0.04 A015000200079 835.7 2.90 0.04 A015000200080 839.7 3.83 0.04 A015000200081 842.1 4.83 0.04 A015000200082 846.9 4.53 0.04 A015000200083 846.9 4.47 0.04 A015000200084 848.3 4.68 0.04 A015000200085 852.2 3.16 0.04 A015000200086 854.9 3.81 0.04 A015000200087 858.7 2.47 0.04 A015000200088 865.2 1.70 0.04 A015000200089 869.5 2.12 0.04 A015000200090 875.2 2.69 0.04 A015000200091 875.5 2.22 0.04 A015000200092 877.5 1.38 0.04 A015000200093 880.7 0.94 0.04 A015000200094 883.7 1.09 0.04 A015000200095 886.8 0.86 0.04 A015000200096 892.9 0.84 0.04 A015000200097 896.0 0.74 0.04 A015000200098 897.5 0.79 0.04 A015000200099 903.5 0.85 0.04 A015000200100 905.0 0.77 0.04 A015000200101 912.7 0.70 0.04 A015000200102 915.7 0.65 0.04 A015000200103 924.8 0.65 0.04 A015000200104 932.3 0.73 0.04 A015000200105 933.7 0.96 0.04 A015000200106 938.2 1.02 0.04 A015000200107 942.8 0.92 0.04 A015000200108 944.3 0.81 0.04 A015000200109 948.9 0.76 0.04 A015000200110 953.5 0.71 0.04 A015000200111 959.5 0.72 0.04 A015000200112 973.1 0.72 0.04 A015000200113 980.6 0.83 0.04 A015000200114 992.8 0.78 0.04 A015000200115 998.8 0.86 0.04 A015000200116 1005.0 0.89 0.04 A015000200117 1012.0 0.92 0.04 A015000200118 1015.0 0.97 0.04 A015000200119 1015.0 0.92 0.04 A015000200120 1023.0 1.03 0.04 A015000200121 1027.0 1.03 0.04 A015000200122 1030.0 1.26 0.04 A015000200123 1035.0 1.11 0.04 A015000200124 1041.0 1.29 0.04 A015000200125 1047.0 1.17 0.04 A015000200126 1050.0 1.19 0.04 A015000200127 1057.0 1.35 0.04 A015000200128 1057.0 1.22 0.04 A015000200129 1066.0 1.41 0.04 A015000200130 1072.0 1.49 0.04 A015000200131 1080.0 1.62 0.04 A015000200132 1081.0 1.70 0.04 A015000200133 1083.0 2.08 0.04 A015000200134 1086.0 2.03 0.04 A015000200135 1087.0 1.90 0.04 A015000200136 1092.0 2.37 0.04 A015000200137 1093.0 2.27 0.04 A015000200138 1097.0 2.78 0.04 A015000200139 1102.0 3.12 0.04 A015000200140 1111.0 3.30 0.04 A015000200141 1114.0 3.56 0.04 A015000200142 1119.0 3.87 0.04 A015000200143 1120.0 3.38 0.04 A015000200144 1123.0 3.41 0.04 A015000200145 1125.0 3.82 0.04 A015000200146 1131.0 3.98 0.04 A015000200147 1136.0 3.29 0.04 A015000200148 1138.0 3.70 0.04 A015000200149 1142.0 3.52 0.04 A015000200150 1146.0 3.24 0.04 A015000200151 1149.0 3.17 0.04 A015000200152 1153.0 3.14 0.04 A015000200153 1159.0 3.30 0.04 A015000200154 1165.0 3.40 0.04 A015000200155 1171.0 3.74 0.04 A015000200156 1174.0 3.59 0.04 A015000200157 1178.0 3.77 0.04 A015000200158 1183.0 3.90 0.04 A015000200159 1186.0 4.24 0.04 A015000200160 1190.0 4.14 0.04 A015000200161 1193.0 4.78 0.04 A015000200162 1199.0 4.63 0.04 A015000200163 1206.0 5.22 0.04 A015000200164 1208.0 5.63 0.04 A015000200165 1219.0 6.23 0.04 A015000200166 1231.0 6.55 0.04 A015000200167 1237.0 7.06 0.04 A015000200168 1237.0 6.68 0.04 A015000200169 1251.0 6.53 0.04 A015000200170 1258.0 5.53 0.04 A015000200171 ENDDATA 151 0 A015000200172 ENDSUBENT 171 0 A015000299999 ENDENTRY 2 0 A015099999999