ENTRY 13827 20020409 00001382700000001 SUBENT 13827001 20020409 00001382700100001 BIB 10 13 1382700100002 INSTITUTE (1USAANL) 1382700100003 REFERENCE (J,PR,179,1113,19690320) 1382700100004 AUTHOR (D.L.Bushnell,R.P.Chaturvedi,R.K.Smither) 1382700100005 TITLE Neutron-Capture Gamma-Ray Studies of the Level 1382700100006 Structure of the Te124 Nucleus 1382700100007 FACILITY (REAC,1USAANL) In-pile facility at the Argonne CP-5 1382700100008 research reactor. 1382700100009 INC-SOURCE (REAC) Reactor core with a thermal neutron flux ~3E+13 1382700100010 n/(cm2.s). 1382700100011 INC-SPECT Reactor spectrum. 1382700100012 ADD-RES The neutron binding energy of 124Te found 9425(2) keV. 1382700100013 STATUS Data taken from Table I,VI and VII of reference. 1382700100014 HISTORY (20020326C) IS 1382700100015 ENDBIB 13 0 1382700100016 COMMON 1 3 1382700100017 EN-DUMMY 1382700100018 EV 1382700100019 0.0253 1382700100020 ENDCOMMON 3 0 1382700100021 ENDSUBENT 20 0 1382700199999 SUBENT 13827002 20020409 00001382700200001 BIB 6 25 1382700200002 REACTION (52-TE-123(N,G)52-TE-124,,SPC,,SPA) 1382700200003 SAMPLE Two Te2O3 samples with isotopic enrichments of 60% and 1382700200004 45% in Te123. Source holder was divided into sections 1382700200005 to permit simultaneous study of both samples. 1382700200006 DETECTOR (NAICR) Bank of six NaI crystals split in 3 sections 1382700200007 used to detect the low energy gamma-ray spectrum 1382700200008 (0.1-1.3 MeV) as a function of Bragg angle of the 1382700200009 7.7-m Argonne bent-crystal spectrometer with a 4-mm 1382700200010 thick quartz crystal. 1382700200011 ANALYSIS Isotopic identification made by comparing intensities 1382700200012 in the spectra from two samples with different 1382700200013 isotopic enrichments. 1382700200014 CORRECTION Data corrected by removing energy-dependent effects 1382700200015 due to absorption and detector efficiency. 1382700200016 ERR-ANALYS (E-ERR) Statistical uncertainties in gamma-ray energies1382700200017 Systematic uncertainties in gamma-ray energies 0.02%. 1382700200018 (ERR-S) Statistical uncertainties of the line 1382700200019 intensities. 1382700200020 Systematic uncertainties of line intensities 1382700200021 . due to uncertainty in neutron cross section (10%), 1382700200022 . due to uncertainty in spectrometer efficiency (<15% 1382700200023 above 1 MeV, <5% below 1 Mev), 1382700200024 . due to uncertainty of absorption coefficients, cross 1382700200025 sections, and isotopic densities used to calculate 1382700200026 total counitng rate (>20%). 1382700200027 ENDBIB 25 0 1382700200028 NOCOMMON 0 0 1382700200029 DATA 5 75 1382700200030 E E-ERR DATA DATA-MAX ERR-S 1382700200031 KEV KEV PC/REAC PC/REAC PER-CENT 1382700200032 1324.11 0.52 1.73 5. 1382700200033 1054.18 0.25 1.16 3. 1382700200034 975.67 0.70 0.17 11. 1382700200035 920.27 0.84 0.12 14. 1382700200036 853.97 0.66 0.10 14. 1382700200037 827.35 0.13 0.68 3. 1382700200038 792.15 1.08 0.11 23. 1382700200039 789.69 0.21 0.67 5. 1382700200040 775.04 0.36 0.16 10. 1382700200041 765.67 0.34 0.16 9. 1382700200042 751.62 0.46 0.10 12. 1382700200043 722.40 0.05 16.10 1. 1382700200044 712.86 0.05 1.82 2. 1382700200045 708.09 0.10 0.69 3. 1382700200046 693.95 0.57 0.047 18. 1382700200047 663.26 0.35 0.042 17. 1382700200048 645.57 0.05 8.076 1. 1382700200049 602.40 0.04 69.87 1. 1382700200050 587.53 0.10 0.108 5. 1382700200051 582.28 0.08 0.153 4. 1382700200052 557.24 0.05 1.06 2. 1382700200053 529.54 0.17 0.059 10. 1382700200054 525.99 0.20 0.079 29. 1382700200055 524.79 0.18 0.108 22. 1382700200056 517.96 0.15 0.062 8. 1382700200057 513.32 0.08 0.185 4. 1382700200058 508.90 0.07 0.250 3. 1382700200059 499.53 0.20 0.066 21. 1382700200060 497.90 0.13 0.120 13. 1382700200061 491.10 0.12 0.050 8. 1382700200062 484.98 0.23 0.015 25. 1382700200063 465.09 0.12 0.042 8. 1382700200064 449.18 0.10 0.029 10. 1382700200065 443.79 0.05 0.251 2. 1382700200066 427.75 0.08 0.039 7. 1382700200067 424.36 0.12 0.013 1382700200068 407.81 0.07 0.043 5. 1382700200069 403.30 0.28 0.011 28. 1382700200070 401.38 0.19 0.064 30. 1382700200071 400.34 0.60 0.028 50. 1382700200072 399.92 0.10 0.033 24. 1382700200073 392.88 0.06 0.053 5. 1382700200074 390.92 0.09 0.022 9. 1382700200075 388.37 0.07 0.034 6. 1382700200076 382.26 0.08 0.032 7. 1382700200077 380.44 0.06 0.050 5. 1382700200078 376.86 0.13 0.010 19. 1382700200079 361.79 0.18 0.011 27. 1382700200080 360.72 0.09 0.019 15. 1382700200081 353.68 0.03 2.598 1. 1382700200082 347.88 0.08 0.013 12. 1382700200083 343.50 0.21 0.042 4. 1382700200084 330.69 0.25 0.027 47. 1382700200085 329.12 0.10 0.056 23. 1382700200086 317.60 0.08 0.009 12. 1382700200087 307.34 0.05 0.016 4. 1382700200088 301.25 0.04 0.018 8. 1382700200089 298.14 0.05 0.013 8. 1382700200090 287.18 0.08 0.008 11. 1382700200091 284.91 0.09 0.00637 15. 1382700200092 282.92 0.04 0.0192 5. 1382700200093 277.86 0.14 0.0026 35. 1382700200094 271.47 0.06 0.00637 14. 1382700200095 266.65 0.05 0.0080 10. 1382700200096 258.17 0.06 0.0046 17. 1382700200097 253.62 0.08 0.0043 18. 1382700200098 252.60 0.12 0.0036 21. 1382700200099 210.36 0.07 0.0059 25. 1382700200100 204.03 0.01 0.0080 5. 1382700200101 189.44 0.08 0.0033 8. 1382700200102 176.26 0.03 0.0201 14. 1382700200103 158.95 0.01 0.0182 7. 1382700200104 158.16 0.04 0.0021 10. 1382700200105 112.56 0.01 0.119 6. 1382700200106 104.56 0.02 0.0036 25. 1382700200107 ENDDATA 77 0 1382700200108 ENDSUBENT 107 0 1382700299999 SUBENT 13827003 20020409 00001382700300001 BIB 7 33 1382700300002 REACTION (52-TE-123(N,G)52-TE-124,,SPC,,SPA) 1382700300003 SAMPLE Two targets; one enriched to 60% in Te123, the other 1382700300004 natural-abundance tellurium. 1382700300005 DETECTOR (GELI,NAICR) Anihilation-pair spectrometer with an 1382700300006 efficiency of 30%, consisting of a 9-cc Ge(Li) 1382700300007 detector mounted in the 5-cm-diameter hole passing 1382700300008 axially through a four-quadrant NaI(Tl) split-annulus 1382700300009 scintillator. 1382700300010 Two Ge(Li) detectors having volumes of 1 and 4 cc used 1382700300011 in preliminary experiments. 1382700300012 ANALYSIS Obtained three types of spectrum, which were used to 1382700300013 distinguish between full-energy, single-escape, and 1382700300014 double-escape peaks. 1382700300015 1.) singles spectrum, only using the Ge(Li) detector. 1382700300016 2.) coincidence spectrum, gated by a coincidence pulse 1382700300017 generated whenever two annihilation quanta escaping 1382700300018 from the Ge(Li) detector are detected simultaneously 1382700300019 in opposite quadrants of the scintillator. 1382700300020 3.) anticoincidence spectrum with enhanced full-energy 1382700300021 peaks. 1382700300022 Line intensities were computed from singles data using 1382700300023 efficiency versus energy curve for full-energy and 1382700300024 double-escape peaks. 1382700300025 MONITOR 4945-keV gamma ray of C13 and the 10830-keV gamma ray 1382700300026 from N15 used for calibration. 1382700300027 CORRECTION Line intensities were corrected for energy-dependent 1382700300028 absorption in the polyethelene and lead absorbers, 1382700300029 in the carbon target holder, and in the beam tube. 1382700300030 ERR-ANALYS (E-ERR) Statistical uncertainties in gamma-ray energies1382700300031 (DATA-ERR) Lower limit of the uncertainties in the line1382700300032 intensities due to statistics, efficiency errors and 1382700300033 errors in the available experimental data on the 1382700300034 absorption coefficients. 1382700300035 ENDBIB 33 0 1382700300036 COMMON 1 3 1382700300037 DATA-ERR 1382700300038 PER-CENT 1382700300039 25. 1382700300040 ENDCOMMON 3 0 1382700300041 DATA 4 174 1382700300042 E E-ERR DATA DATA-MAX 1382700300043 KEV KEV PC/REAC PC/REAC 1382700300044 9424.9 0.8 0.019 1382700300045 8822.5 0.8 0.171 1382700300046 8100.1 0.8 0.196 1382700300047 7770.9 3.0 0.003 1382700300048 7687.4 2.5 0.012 1382700300049 7678.6 2.5 0.009 1382700300050 7666.1 2.5 0.007 1382700300051 7386.6 0.6 0.058 1382700300052 7371.2 1.0 0.012 1382700300053 7334.4 0.7 0.428 1382700300054 7317.8 2.5 0.005 1382700300055 7272.6 0.8 0.024 1382700300056 7253.6 1.2 0.006 1382700300057 7244.1 1.0 0.012 1382700300058 7102.7 0.3 0.145 1382700300059 6972.0 0.9 0.019 1382700300060 6937.5 2.5 0.010 1382700300061 6905.4 2.0 0.015 1382700300062 6902.6 1.8 0.015 1382700300063 6894.7 2.4 0.026 1382700300064 6824.6 1.2 0.032 1382700300065 6808.0 2.4 0.012 1382700300066 6785.4 1.2 0.045 1382700300067 6743.8 1.0 0.050 1382700300068 6677.3 1.7 0.033 1382700300069 6616.6 0.7 0.125 1382700300070 6607.1 1.2 0.040 1382700300071 6566.7 1.2 0.022 1382700300072 6493.0 1.7 0.008 1382700300073 6477.6 1.4 0.034 1382700300074 6449.3 2.4 0.023 1382700300075 6436.0 1.1 0.057 1382700300076 6379.0 0.7 0.102 1382700300077 6334.5 1.9 0.067 1382700300078 6324.3 0.3 1.45 1382700300079 6302.9 3.0 0.020 1382700300080 6212.3 0.9 0.414 1382700300081 6203.1 2.0 0.100 1382700300082 6185.2 1.2 0.147 1382700300083 6134.6 1.5 0.038 1382700300084 6103.4 2.0 0.025 1382700300085 6086.6 2.5 0.010 1382700300086 6030.7 1.1 0.100 1382700300087 6024.8 1.2 0.090 1382700300088 5993.9 1.5 0.024 1382700300089 5979.8 1.2 0.057 1382700300090 5973.7 1.0 0.141 1382700300091 5934.4 1.2 0.053 1382700300092 5894.0 1.0 0.195 1382700300093 5880.7 0.7 0.522 1382700300094 5801.3 1.3 0.085 1382700300095 5794.1 1.3 0.082 1382700300096 5714.5 1.0 0.290 1382700300097 5668.1 0.7 0.530 1382700300098 5649.1 1.4 0.110 1382700300099 5634.8 2.0 0.023 1382700300100 5618.2 1.4 0.057 1382700300101 5538.5 2.0 0.040 1382700300102 5494.1 2.0 0.124 1382700300103 5456.5 1.0 0.400 1382700300104 5444.4 1.6 0.038 1382700300105 5435.1 1.4 0.057 1382700300106 5426.8 1.4 0.048 1382700300107 3969.7 2.0 0.07 1382700300108 3918.5 2.0 0.04 1382700300109 3883.1 2.5 0.02 1382700300110 3789.4 2.0 0.03 1382700300111 3779.7 2.0 0.04 1382700300112 3775.5 2.0 0.05 1382700300113 3722.7 2.0 0.05 1382700300114 3719.8 1.5 0.09 1382700300115 3705.0 2.0 0.04 1382700300116 3697.0 1.5 0.05 1382700300117 3690.2 2.5 0.08 1382700300118 3686.5 1.5 0.10 1382700300119 3640.8 3.0 0.08 1382700300120 3630.0 3.0 0.20 1382700300121 3545.0 2.0 0.08 1382700300122 3542.8 1.2 0.04 1382700300123 3487.9 2.0 0.07 1382700300124 3449.8 2.0 0.07 1382700300125 3394.2 1.5 0.05 1382700300126 3351.0 1.5 0.05 1382700300127 3345.2 1.5 0.05 1382700300128 3236.9 1.5 0.10 1382700300129 3222.3 1.5 0.15 1382700300130 3152.1 1.0 0.24 1382700300131 3138.5 2.0 0.05 1382700300132 3106.0 1.2 0.10 1382700300133 3091.4 0.8 0.20 1382700300134 3052.6 1.2 0.13 1382700300135 3026.6 2.0 0.07 1382700300136 2988.8 1.5 0.20 1382700300137 2975.8 1.0 0.21 1382700300138 2941.6 0.8 0.49 1382700300139 2927.7 0.8 0.45 1382700300140 2889.6 1.5 0.12 1382700300141 2847.8 1.5 0.16 1382700300142 2839.8 2.0 0.10 1382700300143 2809.1 1.0 0.33 1382700300144 2782.2 1.5 0.23 1382700300145 2746.9 0.3 2.20 1382700300146 2672.7 2.0 0.08 1382700300147 2635.6 1.2 0.20 1382700300148 2626.2 2.5 0.04 1382700300149 2617.4 1.2 0.25 1382700300150 2609.3 1.5 0.30 1382700300151 2601.3 1.2 0.14 1382700300152 2516.0 1.2 0.10 1382700300153 2505.4 2.0 0.08 1382700300154 2490.5 1.5 0.10 1382700300155 2453.1 0.8 0.14 1382700300156 2441.5 1.0 0.22 1382700300157 2386.1 0.8 0.66 1382700300158 2372.2 2.0 0.10 1382700300159 2344.8 1.5 0.10 1382700300160 2323.2 2.0 0.08 1382700300161 2282.0 1.0 0.24 1382700300162 2255.2 0.8 0.38 1382700300163 2214.6 2.0 0.10 1382700300164 2205.4 2.0 0.10 1382700300165 2181.2 0.9 0.49 1382700300166 2143.6 0.6 0.63 1382700300167 2109.0 1.2 0.36 1382700300168 2101.0 1.5 0.20 1382700300169 2090.6 0.8 0.65 1382700300170 2078.0 0.7 0.69 1382700300171 2054.5 1.5 0.12 1382700300172 2038.6 0.5 1.24 1382700300173 1998.0 0.6 0.69 1382700300174 1992.9 1.5 0.25 1382700300175 1959.7 2.0 0.13 1382700300176 1927.4 0.8 0.42 1382700300177 1918.7 0.6 1.16 1382700300178 1851.4 0.8 0.55 1382700300179 1844.0 1.5 0.20 1382700300180 1834.0 1.5 0.25 1382700300181 1769.2 1.2 0.30 1382700300182 1749.5 2.0 0.12 1382700300183 1736.5 1.5 0.16 1382700300184 1720.1 0.5 1.61 1382700300185 1707.1 1.5 0.40 1382700300186 1704.3 1.5 0.30 1382700300187 1690.7 0.4 1.39 1382700300188 1614.2 1.0 0.10 1382700300189 1578.9 0.4 1.51 1382700300190 1549.0 1.5 0.09 1382700300191 1526.0 1.0 0.18 1382700300192 1509.2 0.6 0.39 1382700300193 1488.3 0.3 1.96 1382700300194 1476.0 1.5 0.02 1382700300195 1468.5 1.5 0.18 1382700300196 1463.0 2.0 0.10 1382700300197 1445.5 1.5 0.15 1382700300198 1438.3 1.0 0.30 1382700300199 1436.0 0.4 1.50 1382700300200 1433.7 1.0 0.20 1382700300201 1375.1 0.5 0.95 1382700300202 1368.0 1.5 0.60 1382700300203 1354.4 0.6 0.68 1382700300204 1324.8 0.2 1.76 1382700300205 1086.0 0.8 0.20 1382700300206 1054.2 0.4 1.60 1382700300207 1045.0 1.0 0.20 1382700300208 998.0 2.0 0.15 1382700300209 975.4 0.6 0.21 1382700300210 969.0 2.0 0.05 1382700300211 856.0 1.0 0.15 1382700300212 826.8 0.5 0.60 1382700300213 722.5 0.2 13.20 1382700300214 713.6 0.5 1.48 1382700300215 708.5 0.8 0.76 1382700300216 645.8 0.2 7.00 1382700300217 602.42 0.15 69.87 1382700300218 ENDDATA 176 0 1382700300219 ENDSUBENT 218 0 1382700399999 ENDENTRY 3 0 1382799999999