174ER ADOPTED LEVELS 99NDS 199908 174ER H TYP=FUL$AUT=E. BROWNE, HUO JUNDE$CIT=NDS 87, 15 (1999)$CUT=1-Nov-1998$ 174ER Q 1.9E3 SY6.4E3 SY9.9E3 SY-7.E2 SY 2012WA38 174ER cQ $Note: Current evaluation has used the following Q record 174ER2cQ $ 2.0E3 SY6.3E3 SY1.00E4 syst-9E3 syst 1995Au04 174ER c Activity produced by bombarding targets of tungsten and tantalum with 174ER2c 1.5-GeV {+176}Yb projectiles. Activity assigned to {+174}Er by mass 174ER3c separation and Tm K-x rays observed in the |b{+-} decay of this isotope 174ER4c (1989Ch05,1991Be04). 174ER L 0.0 0+ 3.2 M 2 174ER2 L %B-=100 174ER cL T average of 3.3 min {I2} (1989Ch05) and 3.1 min {I3} 174ERxcL (1991Be04).