ENTRY 13817 20020129 00001381700000001 SUBENT 13817001 20020129 00001381700100001 BIB 9 15 1381700100002 INSTITUTE (1USAANL,2GERMUN) 1381700100003 REFERENCE (J,PR,187,1632,196911) 1381700100004 AUTHOR (R.K.SMITHER,E.BIEBER,T.VON EGIDY,W.KAISER,K.WIEN) 1381700100005 TITLE Level Scheme of 153Sm Based on (n,gamma), (n,e-), and 1381700100006 beta-Decay Experiments 1381700100007 FACILITY (REAC,1USAANL) In-pile facility at the Argonne CP-5 1381700100008 reseach reactor. 1381700100009 INC-SOURCE (REAC) Reactor core with a thermal neutron flux ~3E+13 1381700100010 n/(cm2.s). 1381700100011 INC-SPECT Reactor spectrum. 1381700100012 CORRECTION Samples of enriched 149Sm and 150Sm used to identify 1381700100013 and remove gamma lines from 149Sm and 150Sm (n,gamma) 1381700100014 reactions close to lines from the 152Sm(n,gamma)153Sm 1381700100015 reaction. 1381700100016 HISTORY (20020122C) IS 1381700100017 ENDBIB 15 0 1381700100018 COMMON 1 3 1381700100019 EN-DUMMY 1381700100020 EV 1381700100021 0.0253 1381700100022 ENDCOMMON 3 0 1381700100023 ENDSUBENT 22 0 1381700199999 SUBENT 13817002 20020129 00001381700200001 BIB 9 42 1381700200002 REACTION (62-SM-152(N,G)62-SM-153,,SPC,,SPA) 1381700200003 FACILITY (SPECC,1USAANL) 7.7-m Argonne bent-crystal 1381700200004 spectrometer. 1381700200005 SAMPLE 180 mg of Sm203 (enriched 99.06% in 152Sm) enclosed 1381700200006 in an Mg(85%)-Al(15%) holder which constrained the 1381700200007 sample to a volume 7-cm high, 1-cm deep, 0.017-cm 1381700200008 wide. 1381700200009 DETECTOR (NAICR) Bank of NaI crystals used to detect the low 1381700200010 energy gamma-ray spectrum as a function of Bragg 1381700200011 angle of the bent-crystal spectrometer. 2-mm- and 1381700200012 4-mm-thick bent quartz crystals employed in the 1381700200013 spectrometer. 1381700200014 MONITOR (62-SM-152(N,G)62-SM-153,,SPC,,SPA) 1381700200015 On basis of previously published studies 103-keV line 1381700200016 was assumed to have an intensity of 28 gamma rays per 1381700200017 100 neutron captures when the beta-decay rate was in 1381700200018 equilibrium with the neutron-capture rate. 1381700200019 Gamma-ray energies based on the previously established 1381700200020 energy calibration of the bent-crystal spectrometer; 1381700200021 additionally checked in comparing the energies 1381700200022 obtained for some of the strong lines in the 1381700200023 149Sm(n,gamma)150Sm spectrum with published values. 1381700200024 ANALYSIS Energies and intensities represent an average taken 1381700200025 from the analysis of a series of 4-10 runs over the 1381700200026 spectrum. 1381700200027 Each line approximated in the computer analysis of the 1381700200028 data with a Gaussian curve when well-resolved regions 1381700200029 of the spectrum were fitted. A more elaborate line 1381700200030 shape was used for each diffraction peak in the case 1381700200031 of fitting complex doublet and triplet structures, 1381700200032 CORRECTION Data corrected for the presence of gammas from the 1381700200033 149Sm, 150Sm, 151Sm, and 154Sm (n,gamma) reactions. 1381700200034 Also identified and removed were the transitions 1381700200035 produced by the 153Sm(n,g)154Sm, and 153Eu(n,g)154Eu 1381700200036 reactions by observing the variations in their 1381700200037 intensities as a function of time. 1381700200038 ERR-ANALYS (E-ERR) Uncertainties in gamma-ray energies; do not 1381700200039 include a possible systematic error estimated as 1381700200040 large as 1 part in 10,000. 1381700200041 (DATA-ERR) Relative uncertainties of line intensities; 1381700200042 do not include any error in normalization procedure. 1381700200043 STATUS Data taken from Table II of reference. 1381700200044 ENDBIB 42 0 1381700200045 COMMON 1 3 1381700200046 E-NRM 1381700200047 KEV 1381700200048 103. 1381700200049 ENDCOMMON 3 0 1381700200050 DATA 4 275 1381700200051 E E-ERR DATA DATA-ERR 1381700200052 KEV KEV PC/REAC PER-CENT 1381700200053 28.309 0.005 2.10 10. 1381700200054 35.571 0.005 0.030 10. 1381700200055 35.842 0.005 6.20 10. 1381700200056 36.423 0.005 0.021 20. 1381700200057 37.343 0.005 0.223 10. 1381700200058 45.996 0.005 0.262 10. 1381700200059 51.040 0.010 0.030 20. 1381700200060 53.534 0.005 0.136 10. 1381700200061 55.031 0.008 0.171 10. 1381700200062 55.61 0.01 0.029 20. 1381700200063 57.94 0.01 0.042 20. 1381700200064 59.42 0.01 0.026 20. 1381700200065 63.66 0.01 0.007 50. 1381700200066 66.16 0.01 0.008 30. 1381700200067 76.96 0.01 0.043 20. 1381700200068 79.43 0.01 0.021 20. 1381700200069 83.03 0.02 0.043 20. 1381700200070 83.302 0.008 0.059 20. 1381700200071 83.339 0.005 1.70 6. 1381700200072 88.16 0.01 0.0073 30. 1381700200073 90.56 0.01 0.052 20. 1381700200074 90.766 0.013 0.116 20. 1381700200075 90.874 0.005 2.47 5. 1381700200076 91.455 0.005 0.80 5. 1381700200077 92.03 0.01 0.08 15. 1381700200078 93.81 0.01 0.008 30. 1381700200079 104.58 0.01 0.008 30. 1381700200080 104.93 0.01 0.007 40. 1381700200081 105.42 0.01 0.016 20. 1381700200082 108.71 0.01 0.250 6. 1381700200083 108.89 0.01 0.051 10. 1381700200084 112.65 0.01 0.018 15. 1381700200085 113.18 0.01 0.010 15. 1381700200086 117.330 0.005 0.014 15. 1381700200087 118.838 0.005 0.120 7. 1381700200088 119.763 0.005 2.84 5. 1381700200089 120.64 0.01 0.130 7. 1381700200090 123.62 0.02 0.029 15. 1381700200091 126.44 0.02 0.012 30. 1381700200092 127.298 0.005 6.60 5. 1381700200093 129.36 0.01 0.69 5. 1381700200094 135.54 0.02 0.028 15. 1381700200095 138.21 0.02 0.024 15. 1381700200096 138.32 0.02 0.035 15. 1381700200097 138.64 0.03 0.015 10. 1381700200098 146.73 0.04 0.016 20. 1381700200099 147.06 0.01 0.242 10. 1381700200100 149.417 0.011 0.025 10. 1381700200101 162.09 0.02 0.027 20. 1381700200102 163.21 0.02 0.011 40. 1381700200103 166.64 0.01 0.78 5. 1381700200104 167.15 0.03 0.008 40. 1381700200105 170.33 0.03 0.013 33. 1381700200106 171.45 0.01 0.069 10. 1381700200107 173.34 0.01 0.137 8. 1381700200108 173.70 0.01 0.014 25. 1381700200109 175.370 0.011 1.21 5. 1381700200110 180.34 0.03 0.011 20. 1381700200111 181.80 0.03 0.011 20. 1381700200112 182.44 0.02 0.010 25. 1381700200113 182.52 0.01 0.024 15. 1381700200114 182.900 0.008 1.49 5. 1381700200115 184.82 0.02 0.044 20. 1381700200116 185.845 0.011 0.056 10. 1381700200117 187.10 0.02 0.008 20. 1381700200118 188.119 0.011 0.028 10. 1381700200119 193.82 0.02 0.060 15. 1381700200120 194.33 0.02 0.063 15. 1381700200121 194.66 0.03 0.021 25. 1381700200122 194.80 0.04 0.018 30. 1381700200123 194.95 0.04 0.014 30. 1381700200124 195.58 0.04 0.018 30. 1381700200125 196.866 0.011 0.210 5. 1381700200126 198.20 0.04 0.009 30. 1381700200127 200.93 0.07 0.033 15. 1381700200128 202.78 0.05 0.011 20. 1381700200129 203.25 0.04 0.042 20. 1381700200130 204.36 0.03 0.070 8. 1381700200131 208.802 0.014 0.103 12. 1381700200132 211.24 0.02 0.020 15. 1381700200133 212.14 0.04 0.020 15. 1381700200134 212.844 0.011 0.150 6. 1381700200135 220.77 0.06 0.004 30. 1381700200136 222.656 0.011 0.244 8. 1381700200137 223.173 0.011 0.250 8. 1381700200138 229.40 0.05 0.0063 30. 1381700200139 230.243 0.013 0.015 12. 1381700200140 234.93 0.05 0.029 12. 1381700200141 240.868 0.014 0.047 15. 1381700200142 242.24 0.20 0.014 50. 1381700200143 243.06 0.04 0.037 15. 1381700200144 244.62 0.04 0.029 15. 1381700200145 247.08 0.03 0.030 15. 1381700200146 247.62 0.06 0.007 30. 1381700200147 248.39 0.04 0.014 15. 1381700200148 249.14 0.04 0.024 15. 1381700200149 249.73 0.04 0.015 15. 1381700200150 252.01 0.016 0.046 15. 1381700200151 254.794 0.015 0.449 5. 1381700200152 257.68 0.05 0.027 20. 1381700200153 258.43 0.05 0.008 50. 1381700200154 261.15 0.05 0.0036 50. 1381700200155 261.58 0.03 0.055 12. 1381700200156 261.76 0.04 0.011 30. 1381700200157 262.31 0.04 0.0057 30. 1381700200158 262.86 0.04 0.014 22. 1381700200159 263.20 0.04 0.016 20. 1381700200160 264.25 0.05 0.008 40. 1381700200161 265.10 0.04 0.063 8. 1381700200162 265.78 0.04 0.043 12. 1381700200163 267.56 0.03 0.014 20. 1381700200164 268.09 0.03 0.013 20. 1381700200165 269.17 0.02 0.786 6. 1381700200166 271.40 0.08 0.012 30. 1381700200167 275.20 0.04 0.037 15. 1381700200168 276.71 0.02 1.62 6. 1381700200169 277.72 0.04 0.044 12. 1381700200170 278.17 0.02 0.195 6. 1381700200171 282.55 0.04 0.049 12. 1381700200172 284.41 0.05 0.013 30. 1381700200173 285.23 0.04 0.020 20. 1381700200174 287.49 0.06 0.030 15. 1381700200175 290.71 0.08 0.015 30. 1381700200176 291.17 0.05 0.090 10. 1381700200177 293.54 0.07 0.031 20. 1381700200178 296.82 0.05 0.028 15. 1381700200179 298.20 0.05 0.038 12. 1381700200180 298.94 0.03 0.075 8. 1381700200181 302.95 0.04 0.105 12. 1381700200182 303.16 0.04 0.105 12. 1381700200183 307.21 0.04 0.928 25. 1381700200184 308.71 0.07 0.100 8. 1381700200185 310.62 0.07 0.019 20. 1381700200186 312.85 0.05 0.017 25. 1381700200187 313.54 0.03 0.235 6. 1381700200188 314.60 0.03 0.099 8. 1381700200189 315.21 0.05 0.053 10. 1381700200190 317.80 0.03 0.135 8. 1381700200191 321.13 0.03 2.64 6. 1381700200192 326.45 0.05 0.031 15. 1381700200193 327.81 0.08 0.017 30. 1381700200194 329.39 0.03 0.186 7. 1381700200195 330.75 0.03 0.103 10. 1381700200196 340.95 0.05 0.071 10. 1381700200197 347.85 0.06 0.018 30. 1381700200198 349.16 0.05 0.117 8. 1381700200199 350.20 0.05 0.156 7. 1381700200200 351.19 0.06 0.051 11. 1381700200201 354.76 0.03 1.01 6. 1381700200202 356.62 0.10 0.038 25. 1381700200203 358.48 0.06 0.050 14. 1381700200204 359.12 0.10 0.032 16. 1381700200205 360.21 0.10 0.036 16. 1381700200206 362.30 0.03 0.810 7. 1381700200207 365.13 0.07 0.034 20. 1381700200208 367.03 0.07 0.034 20. 1381700200209 368.27 0.10 0.082 10. 1381700200210 369.63 0.03 0.300 6. 1381700200211 370.43 0.09 0.028 30. 1381700200212 371.89 0.09 0.016 35. 1381700200213 372.87 0.04 0.075 10. 1381700200214 374.69 0.04 0.048 14. 1381700200215 379.10 0.04 0.132 8. 1381700200216 384.79 0.04 0.102 10. 1381700200217 386.02 0.07 0.021 30. 1381700200218 389.12 0.16 0.054 30. 1381700200219 390.24 0.04 0.667 6. 1381700200220 393.58 0.08 0.109 10. 1381700200221 396.49 0.04 0.431 8. 1381700200222 397.90 0.04 3.31 6. 1381700200223 398.89 0.08 0.051 20. 1381700200224 400.63 0.16 0.028 40. 1381700200225 404.17 0.04 1.85 6. 1381700200226 407.30 0.07 0.171 8. 1381700200227 413.75 0.15 0.176 20. 1381700200228 414.97 0.06 3.04 6. 1381700200229 417.13 0.17 0.021 40. 1381700200230 419.93 0.17 0.011 60. 1381700200231 422.71 0.09 0.024 40. 1381700200232 425.97 0.19 0.029 30. 1381700200233 428.18 0.19 0.024 40. 1381700200234 433.11 0.10 0.071 15. 1381700200235 435.43 0.20 0.028 30. 1381700200236 439.53 0.06 0.280 8. 1381700200237 442.51 0.06 0.754 6. 1381700200238 445.15 0.06 0.164 10. 1381700200239 447.27 0.06 0.050 16. 1381700200240 452.22 0.30 0.017 50. 1381700200241 456.20 0.30 0.018 50. 1381700200242 459.92 0.06 0.321 8. 1381700200243 470.65 0.06 1.86 7. 1381700200244 473.63 0.06 2.23 7. 1381700200245 481.14 0.06 0.686 8. 1381700200246 482.51 0.06 0.175 10. 1381700200247 488.57 0.12 0.135 11. 1381700200248 491.55 0.12 0.040 25. 1381700200249 494.35 0.12 0.098 20. 1381700200250 502.21 0.18 0.227 12. 1381700200251 503.52 0.18 0.075 20. 1381700200252 516.72 0.10 0.473 7. 1381700200253 518.02 0.13 0.115 16. 1381700200254 521.12 0.20 0.042 30. 1381700200255 523.06 0.20 0.104 20. 1381700200256 524.22 0.20 0.152 20. 1381700200257 530.63 0.26 0.059 40. 1381700200258 532.92 0.26 0.147 20. 1381700200259 535.42 0.28 0.137 25. 1381700200260 539.16 0.30 0.113 25. 1381700200261 540.53 0.30 0.125 25. 1381700200262 549.66 0.30 0.064 33. 1381700200263 551.74 0.30 0.095 25. 1381700200264 559.88 0.13 0.129 20. 1381700200265 561.61 0.22 0.052 25. 1381700200266 564.70 0.22 0.141 20. 1381700200267 567.50 0.15 0.524 12. 1381700200268 568.32 0.24 0.229 14. 1381700200269 574.05 0.50 0.101 30. 1381700200270 574.99 0.50 0.114 30. 1381700200271 579.91 0.50 0.155 25. 1381700200272 582.96 0.50 0.276 16. 1381700200273 586.44 0.50 0.270 16. 1381700200274 589.83 0.50 0.178 20. 1381700200275 593.77 0.17 0.223 14. 1381700200276 604.19 0.34 0.073 30. 1381700200277 605.93 0.34 0.192 16. 1381700200278 610.07 0.28 0.030 50. 1381700200279 614.44 0.16 0.170 12. 1381700200280 618.94 0.40 0.095 30. 1381700200281 622.76 0.10 1.42 7. 1381700200282 627.55 0.30 0.363 12. 1381700200283 630.24 0.10 1.82 7. 1381700200284 646.28 0.22 0.233 12. 1381700200285 649.77 0.33 0.090 35. 1381700200286 659.95 0.10 2.07 7. 1381700200287 662.90 0.50 0.160 25. 1381700200288 675.28 0.33 0.161 25. 1381700200289 681.70 0.26 0.289 16. 1381700200290 689.41 0.35 0.257 16. 1381700200291 693.16 0.35 0.281 16. 1381700200292 698.41 0.24 0.353 14. 1381700200293 702.61 0.24 0.224 20. 1381700200294 707.08 0.25 0.229 20. 1381700200295 714.91 0.20 0.986 10. 1381700200296 721.96 0.50 0.096 40. 1381700200297 727.37 0.25 0.420 15. 1381700200298 734.89 0.13 1.65 10. 1381700200299 743.10 0.53 0.183 35. 1381700200300 746.70 0.53 0.239 30. 1381700200301 749.92 0.54 0.188 30. 1381700200302 753.60 0.27 0.546 10. 1381700200303 757.59 0.57 0.083 50. 1381700200304 767.62 0.24 0.685 10. 1381700200305 772.31 0.30 0.406 16. 1381700200306 780.72 0.24 0.535 12. 1381700200307 788.72 0.24 0.985 10. 1381700200308 808.40 0.33 0.263 20. 1381700200309 817.44 0.66 0.101 50. 1381700200310 825.20 0.34 0.492 16. 1381700200311 834.07 0.34 0.483 16. 1381700200312 838.98 0.34 0.870 12. 1381700200313 847.15 0.70 0.185 50. 1381700200314 858.02 0.70 0.229 30. 1381700200315 871.28 0.51 0.276 30. 1381700200316 878.63 0.38 0.896 16. 1381700200317 891.40 0.90 0.209 40. 1381700200318 902.91 0.40 0.732 16. 1381700200319 911.96 0.42 0.352 20. 1381700200320 924.40 0.43 0.590 18. 1381700200321 941.23 0.44 0.722 15. 1381700200322 954.16 0.67 0.597 16. 1381700200323 969.90 0.68 0.663 20. 1381700200324 979.39 0.80 1.18 16. 1381700200325 988.56 0.90 0.371 30. 1381700200326 1023.76 0.90 0.565 30. 1381700200327 1041.34 0.90 0.714 25. 1381700200328 ENDDATA 277 0 1381700200329 ENDSUBENT 328 0 1381700299999 SUBENT 13817003 20020129 00001381700300001 BIB 9 30 1381700300002 REACTION (62-SM-152(N,G)62-SM-153,,SPC,,SPA) 1381700300003 SAMPLE 85 mg of Sm203 (enriched 99.06% in 152Sm) enclosed 1381700300004 in a carbon source holder. 1381700300005 DETECTOR (GELI) 1381700300006 NaI crystals placed on opposite sides of the Ge(Li) 1381700300007 detector were used in coincidence in some runs to 1381700300008 identify double-escape peaks. 1381700300009 ANALYSIS Data consisted of 14 separate runs. 1381700300010 Data runs identifying double-escape peaks in spectrum 1381700300011 made with a gate that recorded the spectrum in the 1381700300012 Ge(Li) detector only in coincidence with NaI crystals.1381700300013 Absolute values of the gamma energies obtained by 1381700300014 measuring the relative energies of the stronger lines 1381700300015 in carbon and nitrogen and adjusting them for the best1381700300016 fit with the published values (G.E.Thomas et al., 1381700300017 Nucl.Instr.Meth. 56, 325, 1967). 1381700300018 MONITOR (62-SM-149(N,G)62-SM-150,,SPC,,SPA) 1381700300019 MONIT-REF (,L.V.GROSHEV+,J,NP,43,669,1963) 1381700300020 CORRECTION Data corrected for gamma transitions associated with 1381700300021 background sources, for gamma lines of 150Sm and 151Sm1381700300022 and for fast neutrons scattered by the sample. 1381700300023 ERR-ANALYS (E-ERR) Uncertainties in gamma-ray energies; 1381700300024 reflect only the errors associated with the location 1381700300025 of the centroid of the peak and the calibration of the1381700300026 energy per channel. 1381700300027 (DATA-ERR) Relative uncertainties of line intensities; 1381700300028 reflect errors on the relative intensities only and do1381700300029 not include a possible systematic error of 25% in thei1381700300030 absolute values. 1381700300031 STATUS Data taken from Table IV of reference. 1381700300032 ENDBIB 30 0 1381700300033 NOCOMMON 0 0 1381700300034 DATA 4 23 1381700300035 E E-ERR DATA DATA-ERR 1381700300036 KEV KEV PC/REAC PER-CENT 1381700300037 4506.5 0.6 0.67 8. 1381700300038 4525.6 0.7 0.26 10. 1381700300039 4546.6 0.6 0.84 7. 1381700300040 4646.5 0.7 0.14 15. 1381700300041 4698.6 0.5 0.96 7. 1381700300042 4758.9 0.6 0.11 25. 1381700300043 4851.0 0.6 0.09 25. 1381700300044 4865.0 0.5 0.37 8. 1381700300045 4947.2 0.5 0.16 10. 1381700300046 5119.2 0.5 0.40 8. 1381700300047 5174.0 0.3 0.61 6. 1381700300048 5239.2 0.2 1.08 6. 1381700300049 5388.10 0.16 0.41 6. 1381700300050 5454.3 0.2 0.24 8. 1381700300051 5463.9 0.2 0.33 6. 1381700300052 5507.4 0.5 0.010 30. 1381700300053 5513.8 0.7 0.007 40. 1381700300054 5548.12 0.12 0.120 7. 1381700300055 5592.48 0.12 0.085 10. 1381700300056 5741.97 0.10 4.35 4. 1381700300057 5833.47 0.10 1.09 4. 1381700300058 5862.1 0.4 0.014 30. 1381700300059 5869.20 0.10 0.142 6. 1381700300060 ENDDATA 25 0 1381700300061 ENDSUBENT 60 0 1381700399999 ENDENTRY 3 0 1381799999999