ENTRY 13833 20020507 00001383300000001 SUBENT 13833001 20020507 00001383300100001 BIB 11 36 1383300100002 INSTITUTE (1USAANL) 1383300100003 REFERENCE (J,PR/C,10,2483,197412) 1383300100004 AUTHOR (D.L.Bushnell,D.J.Buss,R.K.Smither) 1383300100005 TITLE 180Hf Energy Levels Deduced from Thermal and Average 1383300100006 Resonance Neutron-capture Gamma-ray spectra. 1383300100007 FACILITY (REAC) In-pile facility at the Argonne CP-5 research 1383300100008 reactor. 1383300100009 INC-SOURCE (REAC) Reactor core with a thermal neutron flux 1383300100010 ~3.5E+13 n/(cm2.s) at the sample position. 1383300100011 INC-SPECT Reactor spectrum. 1383300100012 ERR-ANALYS (E-ERR) Probable uncertainties in gamma-ray energies 1383300100013 based on: 1383300100014 . counting statistics, 1383300100015 . complexity of the spectrum, 1383300100016 . calibration of precision screw used to measure Bragg1383300100017 angle. 1383300100018 Does not include any error in value assumed for K-L 1383300100019 x-rays and measurement of their diffraction angles, 1383300100020 since the combined uncertainty of the primary 1383300100021 calibration (1 part in 40000) is much smaller than 1383300100022 the error quoted for most of the gamma rays. 1383300100023 (DATA-ERR) Probable uncertainties of line intensities 1383300100024 due to errors in: 1383300100025 . counting statistics, 1383300100026 . efficiency calibration, 1383300100027 . complexity of the x-ray spectrum, 1383300100028 . uncertainty in the background. 1383300100029 Does not include uncertainty in the relative isotopic 1383300100030 abundance, in the neutron-capture cross section 1383300100031 (~20%) and uncertainties from contribution of 1383300100032 captured resonance neutrons, estimated to 5% of 1383300100033 thermal capture rate. 1383300100034 ADD-RES Unique spin assignments made for 21 levels. 1383300100035 Two K =0 and one K=2 excited state bands identified. 1383300100036 STATUS Data taken from Table II of reference. 1383300100037 HISTORY (20020415C) IS 1383300100038 ENDBIB 36 0 1383300100039 COMMON 1 3 1383300100040 EN-DUMMY 1383300100041 EV 1383300100042 0.0253 1383300100043 ENDCOMMON 3 0 1383300100044 ENDSUBENT 43 0 1383300199999 SUBENT 13833002 20020507 00001383300200001 BIB 5 16 1383300200002 REACTION (72-HF-179(N,G)72-HF-180,,SPC,,SPA) 1383300200003 SAMPLE Three samples used: 1383300200004 1) 324 mg of HfO2 powder enriched to 83.6% in Hf179, 1383300200005 packed in a cavity in a Mg(85%)Al(15%) alloy holder. 1383300200006 2) Natural Hf (13.78% 179Hf) sample. 1383300200007 3) Hf sample enriched to 93.6% in Hf177 (1.1% 179Hf). 1383300200008 DETECTOR (NAICR) 7.7-m Argonne bent-crystal spectrometer with a 1383300200009 2-mm thick quartz crystal (310 diffraction planes). 1383300200010 Line width (FWHM) 60 eV at 100 keV and 6.0 keV at 1383300200011 1 MeV. Bank of NaI crystals used to detect the gamma- 1383300200012 ray spectrum as a function of Bragg angle of 1383300200013 spectrometer. 1383300200014 MONITOR Gamma ray energies normalized so that they agree in 1383300200015 energy and intensity with the GeLi values at the 1383300200016 1065.77 keV doublet. 1383300200017 STATUS Data taken from Table II of reference. 1383300200018 ENDBIB 16 0 1383300200019 NOCOMMON 0 0 1383300200020 DATA 4 121 1383300200021 E E-ERR DATA DATA-ERR 1383300200022 KEV KEV PC/REAC PER-CENT 1383300200023 45.755 0.007 0.30 20. 1383300200024 53.799 0.001 0.32 10. 1383300200025 55.448 0.003 0.17 25. 1383300200026 57.554 0.017 0.51 6. 1383300200027 65.24 0.04 0.15 70. 1383300200028 76.623 0.003 0.48 10. 1383300200029 81.21 0.02 0.15 8. 1383300200030 92.44 0.01 0.014 55. 1383300200031 92.50 0.01 0.015 51. 1383300200032 92.56 0.01 0.016 47. 1383300200033 92.797 0.008 0.06 14. 1383300200034 93.324 0.002 9.85 1. 1383300200035 96.589 0.01 0.017 32. 1383300200036 104.604 0.01 0.0084 55. 1383300200037 104.692 0.01 0.0080 57. 1383300200038 105.433 0.01 0.039 15. 1383300200039 108.308 0.002 1.90 4. 1383300200040 109.474 0.003 0.62 9. 1383300200041 113.66 0.02 0.05 18. 1383300200042 113.71 0.01 0.13 7. 1383300200043 115.91 0.02 0.14 15. 1383300200044 123.93 0.003 0.54 10. 1383300200045 125.260 0.03 0.07 50. 1383300200046 130.26 0.003 0.65 9. 1383300200047 135.09 0.01 0.48 10. 1383300200048 138.05 0.03 0.08 46. 1383300200049 141.55 0.01 0.17 22. 1383300200050 152.05 0.03 0.135 8. 1383300200051 155.06 0.06 0.05 15. 1383300200052 155.60 0.06 0.03 18. 1383300200053 158.33 0.06 0.03 67. 1383300200054 160.40 0.03 0.12 27. 1383300200055 161.67 0.08 0.04 80. 1383300200056 163.07 0.04 0.05 80. 1383300200057 163.41 0.02 0.11 35. 1383300200058 167.10 0.01 0.30 12. 1383300200059 168.80 0.05 0.06 14. 1383300200060 177.71 0.03 0.17 20. 1383300200061 177.86 0.03 0.19 20. 1383300200062 181.26 0.04 0.06 54. 1383300200063 185.25 0.04 0.06 54. 1383300200064 186.04 0.02 0.19 18. 1383300200065 188.14 0.02 0.17 20. 1383300200066 192.83 0.02 0.24 15. 1383300200067 198.35 0.07 0.04 84. 1383300200068 203.27 0.08 0.07 48. 1383300200069 205.51 0.01 1.35 3.9 1383300200070 207.98 0.02 0.59 7.2 1383300200071 209.51 0.07 0.04 84. 1383300200072 215.252 0.002 34.5 0.6 1383300200073 219.7 0.1 0.04 20. 1383300200074 223.76 0.06 0.06 64. 1383300200075 233.33 0.08 0.22 23. 1383300200076 235.020 0.006 4.46 2.5 1383300200077 238.56 0.05 0.79 8.0 1383300200078 243.40 0.10 0.10 51. 1383300200079 254.61 0.09 0.19 7. 1383300200080 255.34 0.03 0.08 16. 1383300200081 258.21 0.06 0.045 23. 1383300200082 258.90 0.03 0.10 12. 1383300200083 260.08 0.03 0.08 15. 1383300200084 261.18 0.03 0.13 9. 1383300200085 265.27 0.06 0.06 21. 1383300200086 266.07 0.02 0.19 7. 1383300200087 274.6 0.10 0.16 10. 1383300200088 282.28 0.08 0.42 15. 1383300200089 284.60 0.10 0.23 30. 1383300200090 291.01 0.08 0.32 23. 1383300200091 302.06 0.08 0.23 30. 1383300200092 306.4 0.10 0.15 10. 1383300200093 310.4 0.10 0.06 15. 1383300200094 313.5 0.10 0.13 10. 1383300200095 316.61 0.06 0.64 13. 1383300200096 319.25 0.06 1383300200097 332.271 0.010 9.25 2.2 1383300200098 344.1 0.10 0.06 15. 1383300200099 346.25 0.14 0.37 25. 1383300200100 355.2 0.10 0.10 30. 1383300200101 358.2 0.10 0.03 50. 1383300200102 363.32 0.10 0.16 21. 1383300200103 365.58 0.03 0.28 11. 1383300200104 367.36 0.07 0.17 20. 1383300200105 385.84 0.14 0.19 20. 1383300200106 388.45 0.14 0.25 16. 1383300200107 389.95 0.07 0.39 7. 1383300200108 391.06 0.13 0.13 22. 1383300200109 392.38 0.38 0.14 21. 1383300200110 407.94 0.02 1.57 2. 1383300200111 409.61 0.08 0.18 15. 1383300200112 410.5 0.1 0.06 40. 1383300200113 420.96 0.10 0.33 8. 1383300200114 433.71 0.12 0.34 8. 1383300200115 440.87 0.20 0.20 13. 1383300200116 443.09 0.04 1.69 2. 1383300200117 446.87 0.05 0.56 5. 1383300200118 451.64 0.08 0.35 6. 1383300200119 452.53 0.16 0.16 20. 1383300200120 465.25 0.11 0.35 9. 1383300200121 476.86 0.07 0.57 6. 1383300200122 487.29 0.08 0.55 7. 1383300200123 500.64 0.18 0.18 21. 1383300200124 527.08 0.03 0.73 5. 1383300200125 530.10 0.08 0.24 20. 1383300200126 534.52 0.04 0.60 7. 1383300200127 538.39 0.04 0.65 6. 1383300200128 551.75 0.06 0.24 15. 1383300200129 577.56 0.08 0.14 25. 1383300200130 595.6 0.5 0.07 80. 1383300200131 621.3 0.4 0.41 15. 1383300200132 644.3 0.6 0.28 60. 1383300200133 654.9 0.6 0.13 15. 1383300200134 659.1 0.5 0.26 50. 1383300200135 664.1 0.6 0.18 50. 1383300200136 799.9 0.3 0.38 20. 1383300200137 982.0 0.5 0.94 5. 1383300200138 1003.0 0.4 0.54 10. 1383300200139 1061.0 0.3 2.65 5. 1383300200140 1065.60 0.06 26.8 1. 1383300200141 1197.8 0.2 7.0 5. 1383300200142 1248.8 0.3 2.9 3. 1383300200143 1260.9 0.12 4.8 4. 1383300200144 ENDDATA 123 0 1383300200145 ENDSUBENT 144 0 1383300299999 SUBENT 13833003 20020507 00001383300300001 BIB 6 16 1383300300002 REACTION (72-HF-179(N,G)72-HF-180,,SPC,,SPA) 1383300300003 SAMPLE 324 mg of HfO2 powder enriched to 83.6% in Hf179 1383300300004 (1.2% 177Hf), packed in a cavity in Mg(85%)Al(15%) 1383300300005 alloy holder. 1383300300006 DETECTOR (GELI) Ge(Li) detector located inside a NaI annular 1383300300007 ring detector used for spectrum above 0.5 MeV. 1383300300008 MONITOR Energy calibration done at 1065.77 keV using previously1383300300009 measured values of the K-L Hf x-rays, 55.7902(8) and 1383300300010 54.6114(8) keV, respectively. 1383300300011 FLAG (1.) Uncertain isotopic identification. 1383300300012 (2.) Includes contributions from other isotopes. 1383300300013 (3.) Possible contributions from other isotopes. 1383300300014 (4.) Doublet or triplet. 1383300300015 (5.) Amy be doublet or triplet. 1383300300016 See Table III in reference for further information. 1383300300017 STATUS Data taken from Table III of reference. 1383300300018 ENDBIB 16 0 1383300300019 NOCOMMON 0 0 1383300300020 DATA 5 221 1383300300021 E E-ERR DATA DATA-ERR FLAG 1383300300022 KEV KEV PC/REAC PER-CENT NO-DIM 1383300300023 526.9 0.2 0.70 25. 1383300300024 529.6 0.4 0.22 40. 3. 1383300300025 534.4 0.2 0.26 40. 1383300300026 538.0 0.2 0.65 15. 1383300300027 551.4 0.3 0.30 30. 1383300300028 577.0 0.3 0.15 40. 1. 1383300300029 583.4 0.5 0.13 60. 1383300300030 585.0 0.5 0.15 60. 1383300300031 586.9 0.6 0.14 66. 1383300300032 588.6 0.5 0.09 60. 1383300300033 617.7 0.6 0.17 50. 1383300300034 621.2 0.3 0.56 10. 1383300300035 644.5 0.3 0.33 25. 1383300300036 646.6 0.6 0.06 60. 2. 1383300300037 654.9 0.3 0.13 30. 1383300300038 657.1 0.7 0.09 60. 1383300300039 659.1 0.7 0.18 60. 1383300300040 664.1 0.7 0.13 50. 1383300300041 667.9 0.4 0.17 40. 3. 1383300300042 680.1 0.5 0.09 55. 1. 1383300300043 681.8 0.5 0.10 50. 1. 1383300300044 683.7 0.4 0.12 50. 1. 1383300300045 686.9 0.3 0.14 35. 1. 1383300300046 690.1 0.6 0.12 60. 1. 1383300300047 691.4 0.5 0.13 40. 1383300300048 703.3 0.5 0.11 50. 1. 1383300300049 707.3 0.5 0.09 50. 1. 1383300300050 709.8 0.4 0.16 50. 1383300300051 714.6 0.3 0.10 60. 1. 1383300300052 716.1 0.3 0.16 40. 1. 1383300300053 725.6 0.2 0.42 13. 1383300300054 728.1 0.5 0.23 28. 1. 1383300300055 729.9 0.3 0.28 27. 1. 1383300300056 741.9 0.4 0.14 40. 2. 1383300300057 743.4 0.2 0.24 20. 1. 1383300300058 745.4 0.4 0.14 40. 2. 1383300300059 758.1 0.4 0.15 40. 1383300300060 761.1 0.3 0.08 50. 1383300300061 763.3 0.5 0.11 40. 1. 1383300300062 764.8 0.5 0.13 35. 1. 1383300300063 768.1 0.6 0.12 30. 2. 1383300300064 779.3 0.5 0.10 40. 1383300300065 784.5 0.5 0.08 60. 1383300300066 786.1 0.5 0.10 50. 1. 1383300300067 787.8 0.5 0.14 35. 1. 1383300300068 792.1 0.5 0.11 45. 1383300300069 794.0 0.5 0.10 50. 1. 1383300300070 800.3 0.15 0.38 11. 1383300300071 803.6 0.7 0.09 55. 1. 1383300300072 809.9 0.3 0.20 20. 1383300300073 811.8 0.7 0.07 70. 1. 1383300300074 819.7 0.6 0.10 50. 1383300300075 830.8 0.6 0.18 25. 1383300300076 844.8 0.7 0.07 90. 1383300300077 846.2 0.6 0.15 30. 1383300300078 847.3 0.7 0.06 90. 1383300300079 853.8 0.5 0.09 60. 1383300300080 856.2 0.5 0.09 65. 1383300300081 857.5 0.5 0.11 65. 1383300300082 864.2 0.3 0.14 30. 1383300300083 880.8 0.7 0.12 50. 1383300300084 884.7 0.7 0.10 70. 1. 1383300300085 888.5 0.7 0.08 80. 1383300300086 890.9 0.4 0.28 20. 1383300300087 893.4 0.7 0.10 60. 1383300300088 913.8 0.8 0.09 80. 1. 1383300300089 915.8 0.3 0.49 15. 5. 1383300300090 917.4 0.5 0.25 30. 1383300300091 921.0 0.3 0.14 25. 1. 1383300300092 928.4 0.5 0.13 50. 4. 1383300300093 930.8 0.5 0.13 50. 1383300300094 935.4 0.5 0.19 65. 5. 1383300300095 937.8 0.5 0.16 50. 1383300300096 946.6 0.6 0.10 60. 1. 1383300300097 950.6 0.5 0.11 1383300300098 952.2 0.7 0.05 1383300300099 956.3 0.5 0.11 50. 1. 1383300300100 965.8 0.5 0.11 50. 1383300300101 968.8 0.4 0.40 19. 1383300300102 973.0 0.5 0.18 25. 1383300300103 977.9 0.7 0.12 40. 1383300300104 979.7 0.7 0.11 100. 1383300300105 982.1 0.3 0.85 6. 1383300300106 1003.2 0.5 0.51 15. 1383300300107 1011.7 0.5 0.13 30. 1383300300108 1014.3 0.6 0.10 80. 1383300300109 1017.1 0.1 0.99 6. 1383300300110 1019.3 0.5 0.11 70. 1. 1383300300111 1022.9 0.5 0.16 35. 1383300300112 1030.4 0.6 0.07 80. 1. 1383300300113 1034.9 0.5 0.10 70. 1383300300114 1039.7 0.6 0.08 70. 1. 1383300300115 1041.7 0.5 0.13 40. 1383300300116 1046.1 0.6 0.09 70. 1. 1383300300117 1054.6 0.4 0.28 25. 5. 1383300300118 1061.0 0.3 2.65 5. 1383300300119 1065.77 0.05 23.75 1. 1383300300120 1070.7 0.5 0.36 40. 1383300300121 1072.6 0.5 0.14 70. 1383300300122 1077.4 0.2 0.30 50. 1383300300123 1083.2 0.4 0.44 40. 1383300300124 1085.6 0.5 0.08 65. 1383300300125 1097.6 0.7 0.14 60. 1383300300126 1100.6 0.15 2.43 5. 1383300300127 1106.0 0.15 2.48 5. 1383300300128 1110.5 0.6 0.13 40. 1383300300129 1117.0 0.6 0.12 30. 1383300300130 1121.7 0.5 0.36 16. 1383300300131 1123.0 1.0 0.05 100. 1. 1383300300132 1127.6 0.8 0.08 70. 1. 1383300300133 1138.4 1.0 0.12 40. 1383300300134 1140.8 0.8 0.21 30. 1383300300135 1151.7 0.5 0.28 16. 1383300300136 1163.9 1.0 0.13 50. 3. 1383300300137 1167.0 1.0 0.07 100. 1383300300138 1181.8 1.0 0.10 70. 1383300300139 1185.8 0.6 0.12 50. 1383300300140 1197.8 0.3 4.27 7. 1383300300141 1199.7 0.4 2.77 10. 1383300300142 1206.9 0.3 1.60 15. 1383300300143 1211.9 0.6 0.15 40. 1383300300144 1231.9 0.5 0.74 10. 3. 1383300300145 1249.1 0.1 2.32 3. 1383300300146 1260.8 0.3 3.8 12. 2. 1383300300147 1276.5 0.4 0.27 20. 1. 1383300300148 1281.7 0.2 1.05 5. 1383300300149 1286.9 1.0 0.09 70. 1. 1383300300150 1288.7 0.5 0.32 25. 1383300300151 1299.0 0.6 0.5 6. 1383300300152 1300.5 0.4 1.85 6. 1383300300153 1302.0 0.5 1.10 6. 1383300300154 1316.4 0.3 1.70 3. 1383300300155 1328.4 1.0 0.23 20. 1383300300156 1336.8 1.0 0.22 40. 1383300300157 1338.3 1.0 0.12 90. 1383300300158 1350.7 0.5 0.11 20. 1383300300159 1352.2 0.8 0.04 90. 1. 1383300300160 1359.4 1.0 0.07 70. 1. 1383300300161 1367.1 1.0 0.09 70. 1383300300162 1386.5 1.0 0.09 80. 1383300300163 1389.0 0.7 0.15 40. 1383300300164 1391.1 1.0 0.08 90. 1383300300165 1394.5 0.3 0.72 7. 1383300300166 1400.5 0.5 0.16 40. 3. 1383300300167 1416.7 0.3 0.51 11. 1383300300168 1440.5 0.0 0.07 80. 3. 1383300300169 1446.9 1.0 0.07 80. 3. 1383300300170 1449.5 0.7 0.10 60. 1383300300171 1456.4 1.0 0.08 60. 1383300300172 1469.6 0.7 0.09 60. 1. 1383300300173 1488.0 1.0 0.06 90. 1383300300174 1490.7 1.0 0.04 100. 1383300300175 1493.9 1.0 0.06 90. 1383300300176 1499.9 1.0 0.08 80. 1383300300177 1503.3 0.6 0.08 80. 1383300300178 1510.5 0.7 0.11 50. 1383300300179 1515.4 0.4 0.27 15. 1383300300180 1516.5 0.4 0.21 30. 1383300300181 1543.8 0.5 0.10 50. 1383300300182 1550.2 0.7 0.08 70. 1383300300183 1552.2 0.7 0.07 80. 1383300300184 1553.8 1.0 0.06 90. 1383300300185 1570.3 1.0 0.05 90. 1383300300186 1572.0 1.0 0.07 80. 1383300300187 1577.0 0.4 0.15 40. 1383300300188 1578.7 0.7 0.08 80. 1383300300189 1580.8 1.0 0.06 90. 1383300300190 1603.0 0.4 0.09 60. 1383300300191 1614.7 0.4 0.11 45. 1383300300192 1623.9 0.4 0.10 50. 3. 1383300300193 1631.4 0.7 0.12 40. 1383300300194 1633.8 0.7 0.13 40. 1383300300195 1636.8 0.5 0.14 40. 1383300300196 1642.2 0.5 0.19 40. 1383300300197 1650.2 0.7 0.14 50. 1383300300198 1657.7 0.5 0.07 60. 1383300300199 1672.8 0.7 0.09 80. 1383300300200 1675.6 0.4 0.22 40. 1383300300201 1715.6 0.7 0.14 50. 1383300300202 1721.0 0.7 0.07 80. 1383300300203 1727.8 0.2 0.17 40. 1383300300204 1743.2 0.2 0.21 30. 3. 1383300300205 1746.3 0.3 0.23 30. 1383300300206 1759.9 0.4 0.15 50. 1383300300207 1767.6 0.2 0.35 25. 1383300300208 1769.8 0.5 0.12 60. 4. 1383300300209 1771.8 0.3 0.23 40. 1383300300210 1800.8 1.0 0.06 80. 1. 1383300300211 1813.8 1.0 0.06 80. 1. 1383300300212 1833.9 0.7 0.11 40. 1383300300213 1835.8 1.0 0.07 80. 1. 1383300300214 1841.5 0.3 0.28 25. 1383300300215 1853.0 0.7 0.08 80. 1. 1383300300216 1864.8 0.5 0.10 60. 1383300300217 1879.0 0.2 0.23 30. 1383300300218 1881.3 0.8 0.06 100. 1. 1383300300219 1890.0 0.7 0.10 60. 3. 1383300300220 1892.5 0.5 0.17 40. 2. 1383300300221 1895.5 0.7 0.10 60. 1383300300222 1898.2 1.0 0.09 70. 2. 1383300300223 1909.0 0.7 0.15 40. 1383300300224 1911.4 0.7 0.13 50. 1383300300225 1920.9 1.0 0.06 90. 1383300300226 1923.8 1.0 0.07 80. 1383300300227 1938.5 0.5 0.16 40. 1383300300228 1941.0 0.7 0.10 60. 1383300300229 1942.9 0.7 0.10 60. 1383300300230 1946.5 0.7 0.44 12. 1383300300231 1954.8 0.7 0.13 60. 1383300300232 1977.7 1.6 0.14 40. 1383300300233 2008.3 1.7 0.15 40. 1383300300234 2051.7 1.7 0.10 60. 1383300300235 2058.3 1.7 0.10 60. 1383300300236 2085.1 1.7 0.09 80. 1383300300237 2089.1 1.0 0.10 80. 1383300300238 2106.4 1.7 0.14 40. 1383300300239 2118.7 1.9 0.15 40. 1383300300240 2160.0 1.9 0.14 40. 1383300300241 2183.5 1.9 0.89 8. 1383300300242 2199.2 1.8 0.17 30. 1383300300243 2238.5 1.8 0.08 80. 1383300300244 ENDDATA 223 0 1383300300245 ENDSUBENT 244 0 1383300399999 ENDENTRY 3 0 1383399999999