173YB 173TM B- DECAY 1963OR01,1966HA23 95NDS 199509 173YB H TYP=FUL$AUT=V. S. SHIRLEY$CIT=NDS 75,377 (1995)$CUT=1-Oct-1993$ 173YB C The decay scheme and most data are from 1963Or01 and 1966Ha23. 173YB C 1963Or01: sources from 174YB(G,P) (EG GE 23 MEV), 173YB2C 173YB(N,P) (EN=14.8 MEV), 170ER(A,P) (EA=26 MEV); 173YB3C measured EG, IG, EB, IB (scin), prompt and delayed 173YB4C XG, GG, BG coin. 173YB C 1966Ha23: sources from 176YB(P,A) (EP=20 MEV); measured 173YB2C ECE, ICE (mag spect, resolution=0.1%). 173YB C Some data are from 1967BlZY and 1969BoZP. Others: 173YB2C 1961Ku10, 1963Ku22. 173YB CL Band structure: see adopted levels. 173YB CG E$From 1966Ha23. 173YB CG RI$From 1967BlZY. 173YB CB Excited-state B- feedings are from intensity 173YB2CB imbalance at each level; GS feeding ( AP 2%) is from 1963Or01. 173TM P 0.0 (1/2+) 8.24 H 8 1298 5 173YB N 0.879 9 1.0 1.0 173YB PN 3 173YB CN NR$from total TI to GS=98% 1 (B- feeding to GS|?2% 173YB2CN (1963Or01)). 173YB L 0.0 5/2- STABLE 173YB B 1320 60 2 AP 9.1AP 1U 173YBS B EAV= 455.3 20 173YB CB E$from 1963Or01. 173YB L 398.9 5 1/2- 2.9 US 1 173YB CL T$weighted average of 3.50 US 25 (BG(T), 1963Or01), 173YB2CL 2.91 US 9 (BG(T), 1967BlZY), and 2.80 US 15 (GG(T), GCE(T), 173YB3CL 1969BoZP). Other: 1963Ku22. 173YB B 76 6 6.27 4 173YBS B EAV= 296.4 19 173YB G 398.9 6 100 E2 0.0326 173YBS G KC= 0.0247 $LC= 0.00607 $MC= 0.00141 $NC+= 0.000426 173YB CG M$from K:(L1+L2):L3:M=100:20 4:5.5 11:6 1 (1966Ha23). 173YB L 461.5 53/2- 0.56 NS 3 173YB CL T$BG(T) (1967BlZY). 173YB B 22 6 6.7015 173YBS B EAV= 272.4 19 173YB G 62.6 2 1.0 4 M1+E2 0.54 3 15.4 173YBS G KC= 9.05 $LC= 4.84 $MC= 1.16 $NC+= 0.319 173YB CG M,MR$from L1:L2:L3=7.1 7:10 1:10 173YB2CG (1966Ha23). M1+E2 (with MR=0.54) is also consistent with 173YB3CG EKC=9.0 7 (1963Or01) and ELC=4.7 20 (1966Ha23). 173YB G 461.4 8 7.8 3 M1 0.0517 173YBS G KC= 0.0434 $LC= 0.00643 $MC= 0.00143 $NC+= 0.000436 173YB CG M$from EKC=0.047 7, as deduced from RI and ICE, 173YB2CG normalized through KC=0.0247 (E2 theory) for 398.9G. 173YB3CG E3 is precluded by high L1/(L2+L3) ratio (1966Ha23).