173LU 173HF EC DECAY 1974FU01,1975BR15 95NDS 199509 173LU H TYP=FUL$AUT=V. S. SHIRLEY$CIT=NDS 75,377 (1995)$CUT=1-Oct-1993$ 173LU C The decay scheme is based mainly on data from 173LU2C two papers: 1974Fu01 (sources from 173LU3C 172YB(A,3N) (EA=37 MEV, enriched 172YB target (91.5%)); 173LU4C measured EG, IG (coaxial GELI with FWHM=2.2 KEV at 173LU5C 1332 KEV, planar GELI, SILI), ECE, ICE (SILI with 173LU6C FWHM=1.5 KEV at 234 KEV and 2.5 KEV at 836 KEV), prompt 173LU7C and delayed GG and GCE coin) and 1975Br15 (sources from 173LU8C 172YB(A,3N) and 173YB(A,4N)) (enriched YB oxide targets 173LU9C (97.2% for 172YB, 95.0% for 173YB); measured EG, IG (GELI 173LUAC with FWHM AP 2.2 KEV at 1332 KEV, planar GELI detector, 173LUBC anti-COMPTON spect), GG coin). 173LU C Reference citations are given with data from other 173LU2C sources. Others: 1954Wa02, 1959Ba10, 1961Br29, 1961Br39, 1963Ra14, 173LU3C 1971Na28, 1972Lo22. 173LU CE EC+B+ feedings are from intensity imbalance at each 173LU2CE level (GS feeding not expected (DJ=3)). 173LU CG RI(LU XK)=1140 200 (relative to RI=1000 for 173LU2CG 123.7G) (1962Va06). 173LU CG The high energies of several unplaced G's 173LU2CG tentatively attributed to 173HF decay are not consistent 173LU3CG with Q+=1605 (1993Au05). 173LU CL T(OP)$Adopted values. 173LU CL T$GG(T), GCE(T) (1974Fu01), except where noted. Other: 1967WiZY. 173LU CG E$Weighted average from 1962Va06, 1972Gn01, 1974Fu01, 1975Br15, and 173LU2CG 1978Gu18, except where noted. 173LU CG RI$From combined analysis of RI values from 1972Gn01, 173LU2CG 1974Fu01, 1975Br15, and 1978Gu18, except where noted. 173LU CG M,MR$From EKC except where noted (IG from 1974Fu01, ICE 173LU2CG from 1959Ha09, 1962Va06, and 1974Fu01); the photon and CE intensity 173LU3CG scales were normalized through KC=0.0178 (E1 theory) for 173LU4CG 297.0G. 173LU CG TI(T)$Deduced from EKC, RI, and K/L ratios for E0 transitions 173LU2CG (1969Ha61). 173LU CL Band structure: see adopted levels. 173LU CG M(D),MR(D)$From CE subshell ratios (1962Va06). 173LU CG CC(E)$Experimental value. 173HF P 0.0 1/2- 23.6 H 1 1600 SY 173LU N 0.083 3 0.083 3 1.0 1.0 173LU PN 3 173LU CN NR$from total TI to GS=100%. 173LU G 492.4 3 0.015 7 173LU G 828.39 25 0.04AP 173LU G 845.4 4 0.015 7 173LU G 857.4 10 0.02LTE0+M1+(E2) 173LU CG EKC GT 0.10 (KC(M1 theory)=0.00978, KC(E2 theory)= 173LU2CG 0.00442). 173LU G 905.81 20 0.022 6 173LU G 990.0 3 0.010AP 173LU G 991.8 10 0.010AP 173LU G 1085.8 3 0.004AP 173LU G 1100.0 3 0.006 2 173LU G 1274.6 5 0.002AP ? 173LU G 1286.6 2 0.009 2 173LU G 1332.87 20 0.002AP 173LU G 1363.9 5 0.001AP 173LU G 1428.6 4 0.003 1 ? 173LU G 1488.9 3 0.004 1 173LU G 1512.5 4 0.002AP ? 173LU G 1778.4 7 0.008AP ? 173LU G 2043 1 0.003 1 ? 173LU G 2127.7 10 0.002AP ? 173LU G 2613.1 14 0.002AP ? 173LU L 0.0 7/2+ 1.37 Y 1 173LU L 117.18 3 (9/2+) 173LU G 117.18 3 0.024 10 [M1,E2] 2.1 3 @ 173LUS G KC= 1.4 7$LC= 0.6 3$MC= 0.14 7$NC+= 0.041 20 173LU L 123.675 15 5/2- 74.2 US 10 O 173LU G 123.675 15 1000 38 E1 0.202 173LUS G KC= 0.167 $LC= 0.0271 $MC= 0.00604 $NC+= 0.00163 173LU CG %I|g=83.0 4 173LU CG M$L-subshell ratios (1959Ha09,1962Va06) confirm E1, as 173LU2CG determined from EKC. 173LU L 128.345 21 1/2- 5.2 NS 5 173LU E 0.005AP 5.0 AP 7.7AP 5.0AP 173LUS E EAV= 2.2E+02 $CK= 0.8 $CL= 0.14 $CM+= 0.041 173LU G 4.670 15 3.19E-422 E2 2.18E+6 696 47 173LUS G MC= 1.64E+06 173LU CG TI$deduced from intensity balance at 123.7 level. 173LU CG RI$from TI and CC 173LU CG M$from M2/M3 AP 0.6 (1962Va06). M/M+N+=0.75 (theory). 173LU L 263.310 21 3/2- 0.16 NS LE 173LU E 0.007 AP 32.0 9 6.8 32.0 9 173LUS E EAV= 158 $CK= 0.8 $CL= 0.14 $CM+= 0.042 173LU G 134.965 14 57.1 15 M1+E2 1.7 1 1.23 D 173LUS G KC= 0.708 $LC= 0.40 $MC= 0.0971 $NC+= 0.0262 173LU G 139.635 15 153 4 M1+E2 0.41 4 1.38 D 173LUS G KC= 1.10 $LC= 0.218 $MC= 0.0501 $NC+= 0.0137 173LU L 356.999 22 5/2+ 383 PS 19 173LU G 239.82 4 0.072 29 [E2] 0.155 173LUS G KC= 0.101 $LC= 0.0414 $MC= 0.00996 $NC+= 0.00293 173LU G 356.998 22 5.61 23 M1 0.110 173LUS G KC= 0.092 $LC= 0.0139 $MC= 0.00312 $NC+= 0.00106 173LU L 425.320 23 1/2+ 0.84 NS 20 P 173LU E 37.4 9 6.6 37.4 9 173LUS E CK= 0.8 $CL= 0.14 $CM+= 0.042 173LU G 162.010 16 77.8 20 E1 0.099 173LUS G KC= 0.0828 $LC= 0.0130 $MC= 0.00290 $NC+= 0.000765 173LU CG M$L-subshell ratios (1962Va06) confirm E1, as determined 173LU2CG from EKC. 173LU G 296.974 16 408 8 E1 0.0213 173LUS G KC= 0.0178 $LC= 0.00265 $MC= 0.000591 $NC+= 0.000196 173LU CG M$from EKC=0.013 5, determined from IG and ICE (relative) 173LU2CG compared with 137CS counterparts (used as standard) (1962Va06); 173LU3CG EKC=0.013 was also determined with the internal-external 173LU4CG conversion technique (1962Va06). KC(E1 theory)=0.0178. 173LU L 434.914 21 3/2+ 0.38 NS 10 P 173LU E 21.3 6 6.9 21.3 6 173LUS E CK= 0.8 $CL= 0.14 $CM+= 0.042 173LU G 9.594 17 0.31 4 [M1] 149 173LUS G LC= 2.84 $MC= 112 173LU CG RI$deduced from assumed multipolarity and TI=46 6, as 173LU2CG obtained by comparing RI(540.2G) in singles spectrum with RI 173LU3CG measured in coincidence with 297.0G. 173LU G 77.92 3 0.633 20 M1+E2 3.6 AP 9.0 2 173LUS G KC= 1.8 $LC= 5.5 $MC= 1.37 $NC+= 0.38 173LU G 171.604 17 2.04 10 E1 0.086 173LUS G KC= 0.0714 $LC= 0.01109 $MC= 0.00248 $NC+= 0.000662 173LU G 306.568 15 77.4 17 E1 0.0197 173LUS G KC= 0.0165 $LC= 0.00245 $MC= 0.000546 $NC+= 0.000182 173LU G 311.239 15 129.5 24 E1 0.0190 173LUS G KC= 0.0159 $LC= 0.00236 $MC= 0.000526 $NC+= 0.000176 173LU L 552.10 3 (5/2)+ 173LU E 0.15 4 9.5 0.15 4 1U 173LUS E CK= 0.8 $CL= 0.15 $CM+= 0.048 173LU G 117.18 3 0.75 15 [M1,E2] 2.1 3 @ 173LUS G KC= 1.4 7$LC= 0.6 3$MC= 0.14 7$NC+= 0.041 20 173LU G 288.79 3 0.336 20 [E1] 0.0228 173LUS G KC= 0.0191 $LC= 0.00285 $MC= 0.000634 $NC+= 0.000208 173LU G 428.42 3 0.146 19 [E1] 0.0089 173LUS G KC= 0.00752 $LC= 0.00109 $MC= 0.000243 $NC+= 0.0000783 173LU L 721.54 11 (1/2+) 173LU E 0.0099 23 10.0 0.0099 23 173LUS E CK= 0.8 $CL= 0.14 $CM+= 0.044 173LU G 458.23 11 0.040 20 173LU G 593.20 11 0.079 20 173LU L 734.71 8 (7/2-) 173LU G 377.71 9 0.010 AP 173LU G 734.71 8 0.061 10 173LU L 889.23 3 (3/2)- 173LU E 0.110 3 8.7 0.110 3 173LUS E CK= 0.8 $CL= 0.15 $CM+= 0.045 173LU G 625.917 23 0.361 15 M1 0.0258 173LUS G KC= 0.0216 $LC= 0.00319 173LU G 760.881 21 0.81 3 M1 0.0158 173LUS G KC= 0.0132 $LC= 0.00194 173LU G 765.551 24 0.181 9 (M1) 0.0155 173LUS G KC= 0.0130 $LC= 0.00191 173LU L 957.78 13 (5/2-) ? 173LU G 694.46 13 0.15 LT & 173LU G 834.10 13 0.077 LT & 173LU L 975.153 24 3/2+ 173LU E 0.929 17 7.7 0.929 17 173LUS E CK= 0.8 $CL= 0.15 $CM+= 0.046 173LU G 423.06 3 0.76 3 M1 0.0704 173LUS G KC= 0.0590 $LC= 0.00885 $MC= 0.00198 $NC+= 0.000644 173LU G 540.238 16 4.45 12 M1 0.0375 173LUS G KC= 0.0313 $LC= 0.00466 173LU G 549.832 18 5.27 15 M1 0.0359 173LUS G KC= 0.0300 $LC= 0.00445 173LU G 618.15 3 0.290 15 (M1) 0.0266 173LUS G KC= 0.0222 $LC= 0.00329 173LU L 981.81 3 1/2+ 173LU E 0.658 16 7.8 0.658 16 173LUS E CK= 0.8 $CL= 0.15 $CM+= 0.046 173LU G 429.71 4 0.107 22 [E2] 0.0277 173LUS G KC= 0.0211 $LC= 0.00507 $MC= 0.001186 $NC+= 0.000363 173LU G 546.895 23 0.366 17 M1 0.0364 173LUS G KC= 0.0304 $LC= 0.00452 173LU G 556.489 23 0.148 15 E0+M1 0.41 15 0.209 32 173LU3 G FLAG=ET 173LU CG EKC=0.35 4. 173LU G 718.499 20 3.53 12 E1 173LU G 853.463 20 3.87 15 E1 173LU L 1003.402 25 3/2+ 173LU E 0.679 17 7.8 0.679 17 173LUS E CK= 0.8 $CL= 0.15 $CM+= 0.046 173LU G 451.30 3 0.107 14 M1+E2 1.4 +82-7 0.036 12 173LUS G KC= 0.029 10$LC= 0.0054 15$MC= 0.0012 4$NC+= 0.00038 7 173LU G 568.487 22 0.100 12E0+(M1+E2) 0.42 6 0.142 18 173LU3 G FLAG=ET 173LU CG EKC=0.36 5. 173LU G 578.081 22 0.283 15 M1 0.0316 173LUS G KC= 0.0264 $LC= 0.00391 173LU G 740.090 21 0.28 3 173LU G 875.054 20 2.74 10 E1 173LU G 879.724 20 4.64 18 E1 173LU L 1097.40 7 (1/2,3/2) 173LU E 0.0119 11 9.3 0.0119 11 173LUS E CK= 0.8 $CL= 0.15 $CM+= 0.048 173LU G 834.1013 0.077LT & 173LU G 969.05 6 0.066 13 173LU L 1129.66 4 (1/2-,3/2) 173LU E 0.0303 22 8.9 0.0303 22 173LUS E CK= 0.8 $CL= 0.16 $CM+= 0.049 173LU G 866.35 4 0.010 5 173LU G 1001.31 4 0.137 15 173LU G 1005.98 4 0.248 18 173LU L 1162.435 24 3/2- 173LU E 1.75 5 7.0 1.75 5 173LUS E CK= 0.8 $CL= 0.16 $CM+= 0.050 173LU G 899.123 18 11.9 5 M1 0.0104 @ 173LUS G KC= 0.0087 $LC= 0.00127 173LU G 1034.087 18 5.07 20 M1 173LU G 1038.757 19 3.89 15 M1 173LU L 1192.67 8 (1/2-) 173LU E 0.0101 10 9.2 0.0101 10 173LUS E CK= 0.8 $CL= 0.16 $CM+= 0.051 173LU G 929.36 8 0.061 7 173LU G 1064.32 8 0.061 9 173LU L 1246.52 4 1/2+ 173LU E 0.065 3 8.3 0.065 3 173LUS E CK= 0.8 $CL= 0.17 $CM+= 0.05 173LU G 694.4613 0.15LT & 173LU G 811.61 4 0.199 18 173LU G 821.20 4 0.047 9 E0+M1 0.064 AP 0.050 10 173LU3 G FLAG=ET 173LU CG EKC=0.049 13. 173LU G 889.52 5 0.043 9 173LU G 983.21 4 0.048 9 173LU G 1118.17 4 0.301 20 173LU L 1334.05 3 3/2- 173LU E 0.497 14 7.1 0.497 14 173LUS E CK= 0.8 $CL= 0.18 $CM+= 0.06 173LU G 444.82 3 0.052 14 M1 0.0617 173LUS G KC= 0.0517 $LC= 0.00775 $MC= 0.00174 $NC+= 0.000549 173LU G 781.95 4 0.050 9 173LU G 899.12318 0.13 3 @ 173LU G 977.05 4 0.117 15 173LU G 1070.74 3 0.95 4 M1 173LU G 1205.70 3 3.59 15 M1 173LU G 1210.37 3 1.07 4 M1 173LU L 1359.27 10 (3/2+) 173LU E 0.0071 13 8.8 0.0071 13 173LUS E CK= 0.7 $CL= 0.19 $CM+= 0.06 173LU G 229.61 11 0.030 10 173LU G 807.17 11 0.015 7 173LU G 933.94 10 0.015 7 173LU G 1095.95 10 0.015 7 173LU G 1230.92 10 0.0089 20 173LU G 1235.59 10 0.0020 10 173LU L 1408.75 14 (1/2+) 173LU E 0.0109 18 8.4 0.0109 18 173LUS E CK= 0.7 $CL= 0.22 $CM+= 0.07 173LU G 426.94 13 0.119 20 [M1] 0.0687 173LUS G KC= 0.0576 $LC= 0.00864 $MC= 0.00194 $NC+= 0.000626 173LU G 1145.43 13 0.0020 10 173LU G 1280.40 13 0.0020 10 173LU L 1579.1 6 (1/2+) ? 173LU CL If EC decay proceeds to this level Q(173HF) will be 173LU2CL GE 1580. 173LU E 0.003AP 6.1 0.003 AP ? 173LUS E CL= 0.50 $CM+= 0.50 173LU G 596 1 0.02LT (E0+M1) ? 173LU CG EKC GT 0.15 (KC(M1 theory)=0.0244). 173LU G 1316.0 3 0.007 2 ? 173LU G 1450 1 0.005AP ?