ENTRY 13832 20050722 13361383200000001 SUBENT 13832001 20050722 13361383200100001 BIB 14 37 1383200100002 INSTITUTE (1USAANL) 1383200100003 REFERENCE (J,PR,129,1691,1963) 1383200100004 AUTHOR (R.K.Smither) 1383200100005 TITLE Gamma-Ray Spectrum from Thermal-Neutron Capture in 1383200100006 Hf177 and Associated Energy Levels in Hf178. 1383200100007 FACILITY (REAC) In-pile facility at the Argonne CP-5 research 1383200100008 reactor. 1383200100009 (SPECC) 7.7-m Argonne bent-crystal spectrometer. 1383200100010 INC-SOURCE (REAC) Reactor core with a thermal neutron flux ~3E+13 1383200100011 n/(cm2.s) at the sample position. 1383200100012 INC-SPECT Reactor spectrum. 1383200100013 SAMPLE Two samples used: 1383200100014 1) Sample of natural Hf (18.6% Hf177); 1383200100015 2) Sample of Hf enriched to 94% in Hf177. 1383200100016 DETECTOR (NAICR) Bank of NaI crystals used to detect the gamma- 1383200100017 ray spectrum as a function of the Bragg angle. 1383200100018 MONITOR (72-HF-178(N,G)72-HF-179,,SPC,,SPA) 1383200100019 CORRECTION Intensities corrected for 1383200100020 . self-absorption in the sample, 1383200100021 . absorption of material (He, air, Al, Li, paraffin, 1383200100022 quartz) between sample and detector, 1383200100023 . reflectivity of quartz crystal, 1383200100024 . transmission of the collimator, 1383200100025 . efficiency of the NaI detector. 1383200100026 No correction made for internal conversion of gamma 1383200100027 rays. 1383200100028 ERR-ANALYS (E-ERR) Probable error in gamma-ray energies; reflects 1383200100029 both the statistical errors and estimated systematic 1383200100030 errors of the measurement. The relative values of the 1383200100031 energies are better than indicated by the probable 1383200100032 errors because of cancellation of systematic errors. 1383200100033 (DATA-ERR) Upper limit of the probable uncertainties 1383200100034 in line intensities; reflects both statistical and 1383200100035 systematic errors. Lower limit 10%. 1383200100036 ADD-RES Level scheme of Hf178. 1383200100037 HISTORY (20020409C) IS 1383200100038 (20050722C) DR Reference corrected 1383200100039 ENDBIB 37 0 1383200100040 COMMON 1 3 1383200100041 EN-DUMMY 1383200100042 EV 1383200100043 0.0253 1383200100044 ENDCOMMON 3 0 1383200100045 ENDSUBENT 44 0 1383200199999 SUBENT 13832002 20020501 13361383200200001 BIB 2 2 1383200200002 REACTION (72-HF-177(N,G)72-HF-178,,SPC,,SPA) 1383200200003 STATUS Data taken from Table I of reference. 1383200200004 ENDBIB 2 0 1383200200005 COMMON 1 3 1383200200006 DATA-ERR 1383200200007 PER-CENT 1383200200008 20. 1383200200009 ENDCOMMON 3 0 1383200200010 DATA 3 217 1383200200011 E E-ERR DATA 1383200200012 KEV KEV PC/REAC 1383200200013 1552.1 2.8 0.40 1383200200014 1500.4 2.7 0.76 1383200200015 1473.9 2.7 0.32 1383200200016 1420.9 2.0 2.14 1383200200017 1402.9 2.6 0.81 1383200200018 1381.8 3.0 0.27 1383200200019 1350.5 3.0 0.44 1383200200020 1338.2 2.0 4.65 1383200200021 1327.5 2.2 2.05 1383200200022 1310.3 2.4 1.24 1383200200023 1291.9 2.3 0.57 1383200200024 1269.5 1.6 1.80 1383200200025 1228.8 1.4 7.30 1383200200026 1206.4 0.6 5.98 1383200200027 1176.3 1.2 9.08 1383200200028 1167.4 1.2 4.71 1383200200029 1143.7 0.9 1.82 1383200200030 1125.4 1.2 0.19 1383200200031 1103.1 0.5 3.56 1383200200032 1081.8 1.0 2.80 1383200200033 1077.8 1.0 2.90 1383200200034 1057.7 1.2 0.24 1383200200035 1032.3 2.0 0.27 1383200200036 1016.5 0.7 0.56 1383200200037 1006.9 1.0 0.38 1383200200038 983.5 1.0 0.27 1383200200039 969.5 0.8 0.40 1383200200040 962.1 0.7 1.09 1383200200041 949.09 1.6 0.24 1383200200042 937.97 1.6 0.21 1383200200043 921.26 0.4 1.09 1383200200044 901.30 0.4 0.36 1383200200045 881.27 1.2 0.15 1383200200046 870.11 1.4 0.11 1383200200047 861.84 1.2 0.28 1383200200048 855.87 1.5 0.15 1383200200049 847.71 1.5 0.12 1383200200050 841.11 0.9 0.17 1383200200051 831.65 1.2 0.08 1383200200052 822.05 1.2 0.09 1383200200053 817.50 1.2 0.11 1383200200054 792.54 1.0 0.10 1383200200055 780.58 1.0 0.10 1383200200056 775.68 1.0 0.22 1383200200057 763.11 0.9 0.13 1383200200058 758.01 0.9 0.31 1383200200059 752.35 0.4 0.36 1383200200060 744.15 0.6 0.19 1383200200061 736.90 0.4 0.19 1383200200062 716.33 0.4 0.21 1383200200063 704.24 0.4 0.14 1383200200064 698.17 0.6 0.11 1383200200065 694.82 1.2 0.07 1383200200066 687.44 0.6 0.10 1383200200067 682.37 0.6 0.16 1383200200068 672.35 0.8 0.08 1383200200069 668.69 0.5 0.10 1383200200070 662.40 0.5 0.10 1383200200071 658.29 0.6 0.14 1383200200072 649.43 0.4 0.13 1383200200073 645.37 0.2 0.33 1383200200074 632.93 0.3 0.13 1383200200075 628.32 0.3 0.23 1383200200076 617.81 0.3 0.23 1383200200077 611.10 0.4 0.11 1383200200078 606.84 0.3 0.39 1383200200079 597.64 0.3 0.41 1383200200080 596.33 0.3 0.31 1383200200081 590.33 0.4 0.09 1383200200082 587.20 0.4 0.14 1383200200083 583.07 0.4 0.12 1383200200084 580.45 0.4 0.08 1383200200085 572.23 0.3 0.11 1383200200086 567.78 0.5 0.03 1383200200087 563.08 0.5 0.017 1383200200088 559.38 0.5 0.035 1383200200089 550.10 0.5 0.016 1383200200090 547.36 0.2 0.51 1383200200091 542.99 0.3 0.12 1383200200092 534.66 0.2 0.21 1383200200093 522.08 0.1 0.36 1383200200094 503.90 0.2 0.10 1383200200095 497.62 0.1 1.46 1383200200096 494.22 0.1 0.17 1383200200097 488.70 0.3 0.09 1383200200098 483.92 0.3 0.046 1383200200099 481.40 0.2 0.09 1383200200100 478.31 0.3 0.047 1383200200101 477.31 0.3 0.039 1383200200102 472.91 0.1 0.23 1383200200103 466.83 0.4 0.28 1383200200104 459.91 0.1 0.12 1383200200105 453.99 0.1 0.16 1383200200106 449.79 0.2 0.042 1383200200107 438.84 0.2 0.07 1383200200108 435.57 0.14 0.21 1383200200109 430.81 0.30 0.19 1383200200110 427.71 0.20 0.07 1383200200111 426.21 0.14 0.58 1383200200112 424.39 0.17 0.23 1383200200113 420.87 0.20 0.08 1383200200114 417.00 0.30 0.021 1383200200115 406.70 0.20 0.024 1383200200116 403.64 0.09 0.16 1383200200117 399.84 0.09 0.17 1383200200118 397.48 0.20 0.025 1383200200119 395.65 0.14 0.040 1383200200120 390.90 0.20 0.015 1383200200121 388.04 0.20 0.015 1383200200122 383.26 0.07 0.26 1383200200123 379.44 0.07 0.11 1383200200124 376.45 0.10 0.016 1383200200125 374.62 0.10 0.027 1383200200126 371.74 0.10 0.012 1383200200127 364.33 0.14 0.011 1383200200128 363.24 0.15 0.06 1383200200129 356.83 0.05 0.38 1383200200130 354.59 0.10 0.025 1383200200131 350.98 0.10 0.046 1383200200132 348.26 0.05 0.50 1383200200133 345.43 0.15 0.040 1383200200134 341.98 0.05 0.020 1383200200135 339.08 0.04 1.14 1383200200136 337.51 0.05 0.05 1383200200137 331.60 0.06 0.049 1383200200138 328.59 0.08 0.042 1383200200139 325.51 0.04 6.82 1383200200140 321.46 0.08 0.015 1383200200141 318.89 0.08 0.017 1383200200142 318.29 0.08 0.017 1383200200143 317.28 0.03 0.12 1383200200144 313.38 0.05 0.15 1383200200145 312.42 0.05 0.026 1383200200146 311.16 0.07 0.042 1383200200147 308.38 0.10 0.009 1383200200148 306.37 0.04 0.10 1383200200149 296.72 0.03 0.06 1383200200150 289.47 0.03 0.60 1383200200151 280.63 0.03 0.10 1383200200152 279.31 0.06 0.036 1383200200153 278.58 0.06 0.021 1383200200154 277.28 0.06 0.22 1383200200155 276.88 0.06 0.22 1383200200156 274.69 0.04 0.047 1383200200157 273.09 0.03 0.25 1383200200158 270.52 0.08 0.06 1383200200159 270.06 0.08 0.027 1383200200160 268.69 0.04 0.012 1383200200161 264.59 0.02 0.025 1383200200162 259.99 0.02 0.05 1383200200163 256.56 0.05 0.34 1383200200164 256.01 0.05 0.28 1383200200165 249.37 0.03 0.07 1383200200166 247.54 0.04 0.015 1383200200167 246.88 0.04 0.024 1383200200168 245.23 0.02 0.51 1383200200169 244.23 0.02 0.52 1383200200170 242.55 0.03 0.029 1383200200171 241.95 0.04 0.08 1383200200172 234.49 0.03 0.10 1383200200173 230.74 0.07 0.010 1383200200174 230.22 0.04 0.045 1383200200175 229.31 0.02 0.15 1383200200176 227.20 0.02 0.19 1383200200177 224.37 0.06 0.006 1383200200178 223.96 0.06 0.027 1383200200179 223.32 0.14 0.006 1383200200180 218.93 0.02 0.09 1383200200181 217.76 0.03 0.044 1383200200182 216.63 0.09 0.014 1383200200183 216.29 0.02 0.15 1383200200184 213.42 0.02 41.30 1383200200185 208.26 0.03 0.012 1383200200186 204.05 0.04 0.13 1383200200187 203.75 0.04 0.20 1383200200188 201.04 0.03 0.009 1383200200189 190.07 0.01 0.083 1383200200190 187.59 0.01 0.071 1383200200191 185.31 0.06 0.007 1383200200192 180.39 0.02 0.021 1383200200193 176.19 0.02 0.051 1383200200194 173.63 0.03 0.014 1383200200195 173.31 0.03 0.038 1383200200196 169.47 0.02 0.031 1383200200197 166.63 0.01 0.014 1383200200198 161.92 0.02 0.037 1383200200199 157.86 0.02 0.023 1383200200200 151.29 0.01 0.063 1383200200201 149.14 0.01 0.10 1383200200202 148.07 0.03 0.042 1383200200203 147.78 0.01 0.16 1383200200204 144.49 0.01 0.27 1383200200205 140.86 0.01 0.19 1383200200206 137.67 0.01 0.05 1383200200207 129.33 0.01 0.04 1383200200208 128.09 0.03 0.018 1383200200209 126.58 0.01 0.25 1383200200210 125.84 0.04 0.01 1383200200211 124.09 0.01 0.022 1383200200212 122.85 0.01 0.39 1383200200213 116.58 0.01 0.082 1383200200214 112.63 0.01 0.043 1383200200215 111.66 0.01 0.092 1383200200216 107.31 0.01 0.14 1383200200217 105.14 0.01 0.12 1383200200218 102.58 0.01 0.017 1383200200219 100.94 0.02 0.023 1383200200220 97.91 0.01 0.066 1383200200221 93.17 0.005 18.09 1383200200222 88.84 0.01 0.35 1383200200223 86.97 0.02 0.023 1383200200224 85.59 0.01 0.43 1383200200225 82.70 0.01 0.40 1383200200226 73.07 0.01 0.077 1383200200227 71.05 0.01 0.030 1383200200228 53.90 0.01 0.012 1383200200229 52.74 0.01 0.018 1383200200230 ENDDATA 219 0 1383200200231 ENDSUBENT 230 0 1383200299999 ENDENTRY 2 0 1383299999999