173YB 172YB(N,G) E=THERMAL 1971AL01 173YB H TYP=FUL$AUT=V. S. SHIRLEY$CIT=NDS 75,377 (1995)$CUT=1-Oct-1993$ 173YB C YB oxide targets enriched to 91.5% in 172YB; measured 173YB2C EG, IG (3-crystal GELI pair spect for EG GT 3400, 173YB3C anti-COMPTON spect for EG LT 1300). 173YB C Other: 1969Na08. 173YB CL J$From (E1) multipolarity of primary transitions 173YB2CL except where noted. 173YB CG RI$Number of G-rays per 100 neutron captures. IG values 173YB2CG for secondary transitions are normalized to RI(831.6G)=0.44, 173YB3CG corresponding to absolute yield from natural YB of 173YB4CG RI(809.3G, 175YB)=2.2% (1970Or05). IG values for primary 173YB5CG transitions are normalized to RI(5293.6G)=2.2, 173YB6CG corresponding to absolute yield from natural YB of 173YB7CG RI(5265.7G, 175YB)=4.3% (1971Al01). 173YB CG RI$Uncertainties range from AP 10% for strong lines 173YB2CG up to AP 100% for weak lines. 173YB CG M$From radiative strengths of primary transitions 173YB2CG (EG**3 law assumed for E1). 173YB CG E(Z) Complex (broad) peak, partially attributed 173YB2CG to 174YB. 173YB N 4.5814 1.0 173YB cN SIGMAN=0.8 4 173YB G 116.110 3.1 173YB G 120.015 2.4 173YB G 564.815 0.43 173YB G 589.015 0.25 173YB G 596.220 0.16 173YB G 1002.610 0.23 173YB G 1255.710 0.30 173YB G 3467.220 0.36 ? 173YB G 3491.720 0.43 ? 173YB G 4101.815 0.54 173YB G 4167.115 0.26 ? 173YB G 4213.920 0.22 ? 173YB L 0.0 5/2- 173YB L 77.1 6 7/2- 173YB G 77.1 6 0.0088 20 M1+E2 -0.224 14 7.42 173YBS G KC= 5.91 $LC= 1.17 $MC= 0.267 $NC+= 0.0730 173YB L 399.17 4 1/2- 173YB G 399.17 4 0.111 12 E2 0.0320 173YBS G KC= 0.0247 $LC= 0.00605 $MC= 0.00103 $NC+= 0.000264 173YB L 461.9 6 3/2- 173YB G 62.6 2 0.0014 7 M1+E2 0.54 3 15.5 173YBS G KC= 9.09 $LC= 4.84 $MC= 1.16 $NC+= 0.371 173YB G 461.9 6 0.0105 24 M1 0.0512 173YBS G KC= 0.0433 $LC= 0.00642 $MC= 0.00121 $NC+= 0.000345 173YB L 482.0 9 5/2- 173YB G 82.9 9 0.0039 9 [E2] 6.78 173YBS G KC= 1.47 $LC= 4.05 $MC= 1.000 $NC+= 0.257 173YB L 623.6 8 5/2- 173YB G 141.6 8 0.0031 7 [M1] 1.28 173YBS G KC= 1.07 $LC= 0.164 $MC= 0.0362 $NC+= 0.01002 173YB G 623.6 80.00071 16 173YB L 632.1 13 5/2- 173YB G 632.1 13 0.0009 10 173YB L 1030.6 6 (1/2-) 173YB G 568.7 7 0.0084 19 173YB G 631.4 6 173YB G 1030.5 6 173YB L 1073.3 6 (3/2)- 173YB G 591.3 9 0.0018 4 173YB G 611.4 7 0.0032 7 173YB G 674.1 6 0.0050 11 173YB G 996.2 7 0.0013 3 173YB L 1231.0 9 (3/2)- 173YB G 769.1 9 0.0029 7 173YB G 831.8 9 0.0019 4 173YB L 1338.6 9 (3/2)- 173YB G 706.5 120.00084 19 173YB G 715.0 80.00076 17 173YB L 1492.3 10 1/2,3/2 173YB G 1030.4 9 0.003 3 173YB L 6367.2 6 1/2+ 173YB G 4874.8 10 0.0023 5 173YB G 5028.5 100.00101 23 (E1) 173YB G 5136.1 9 0.0024 6 (E1) 173YB G 5293.8 7 0.0093 21 (E1) 173YB G 5336.5 7 0.0109 25 (E1) 173YB G 5905.2 6 0.0016 4 (E1) 173YB G 5967.9 6 0.012 3 (E1)