172RE    176IR A DECAY (8.6 S)         1990BO19,1986KE03,1967SI02ENSDF    201601
172RE  H TYP=FUL$AUT=BALRAJ SINGH$CIT=ENSDF$CUT=31-DEC-2015$
172RE  H TYP=FUL$AUT=BALRAJ SINGH$CIT=NDS 75,199 (1995)$CUT=31-May-1995$
172RE c  2005Wa25: measured {+176}Ir half-life from |g-decay curves. The authors
172RE2c  propose the existence of a long-lived isomer in {+176}Ir with a
172RE3c  half-life of 17.6 s {I17}
172RE c  1990Bo19: measured E|a, I|a, {+176}Ir half-life, %|a
172RE c  1986Ke03: {+176}Ir produced by {+89}Y({+90}Zr,2P{-n}) and
172RE2c  {+90}Zr({+90}Zr,3P{-n}). Measured E|a, I|a, %|a. Detector: semi.
172RE c  1967Si02: {+176}Ir produced by bombarding {+169}Tm({+16}O,X) and
172RE2c  Er({+19}F,X) measured E|a. Detector: semi.
172RE cA HF$Deduced by evaluator using r{-0}=1.54 {I3}, from unweighted
172RE2cA average of 1.56 {I2} for {+172}Os, 1.54 {I3} for {+170}W and
172RE3cA 1.53 {I4} for {+174}Os, and assuming g.s. to g.s. |a transition
176IR  P  0.0          (5+)            8.6 S     4              5240      40
176IR cP J$Possible direct population of 6+ and 4+ states in {+176}Os from
176IR2cP {+176}Ir |e decay.
176IR3cP Possible configuration=|p5/2-,1/2[541]~#|n5/2-,1/2[521] or
176IR4cP |p5/2-,1/2[541]~#|n5/2-,5/2[512] (1990Bo19); J|p also supported by
176IR5cP theoretical calculations by 2005Wa25
176IR cP T$Weighted average of 9.6 s {I6} (2005Wa25, weighted average of
176IR2cP 9.6 s {I6},  9.2 s {I7},  9.9 s {I11} and 9.8 s {I8}, higher values
176IR3cP of 10.9 s {I4} and 10.1 s {I3} were omitted since these could have
176IR4cP contribution from a possible long-lived isomer proposed by 2005Wa25);
176IR5cP 8.00 s {I33} from |a decay and 9.00 s {I33} from |g-decay curves
176IR6cP (1990Bo19, uncertainty of 1 s in each value listed by 1990Bo19 is 3|s),
176IR7cP and 8 s {I1} (1967Si02). Note that T{-1/2}=8.7 s {I5} in {+176}Ir
176IR8cP Adopted Levels, based on a choice of somewhat different set of values.
176IR9cP Note also that 2005Wa25 propose the existence of a long-lived isomer in
176IRAcP {+176}Ir with a half-life of 17.6 s {I17} determined from decay curve
176IRBcP for 607.2|g in {+176}Os from |e decay of {+176}Ir
176IR cP QP$From 2012Wa38
172RE  N                       0.026   5
172RE cN BR$%|a=2.6 {I5} from unweighted (or LWM) average of 3.1 {I2} (1990Bo19
172RE2cN where quoted uncertainty of 0.6 corresponds to 3|s) and 2.1 {I4}
172RE3cN (1986Ke03). Note that %|a=3.1 {I6} in {+176}Ir Adopted Levels, taken
172RE4cN from 1990Bo19.
172RE  L  0+X         (5+)              15 S     3
172RE cL E,T$from Adopted Levels
172RE cL J$Favored |a transition from (5+) parent
172RE  A 5118      8 100        0.045  14
172RE cA HF$assumed g.s. to g.s. transition
172RE cA E$from 1967Si02