149HO 153TM A DECAY (2.5 S) 1988TO13 22NDS 202210
149HO H TYP=FUL$AUT=Balraj Singh and Jun Chen$CIT=NDS 185, 2 (2022)$
149HO2 H CUT=23-Aug-2022$
149HO c 1988To13 (also 1991To12,1989Ko02): {+153}Tm ions were produced with
149HO2c {+92}Mo({+64}Zn,3p) reaction with E=267 MeV (center of target) {+64}Zn
149HO3c beam from the Lawrence Berkeley Laboratory SuperHILAC on 93.37%
149HO4c enriched {+92}Mo foil target, followed by mass separation with the
149HO5c OASIS online facility, and collected in a moving table to a counting
149HO6c station. Charged particles were detected with a Si |DE-E telescope and
149HO7c a plastic scintillator; |g rays were detected with Ge detectors.
149HO8c Measured E|g, I|g, E(|a), I(|a), |a|g-coin. Deduced levels.
149HO c 1988ScZV: measured E|a, T{-1/2}
149HO cA IA$From 1988To13. I|a(4586)/I|a(5109+5096)=4.5|*10{+-5} {I5},
149HO2cA I|a(4902)/I|a(5109+5096)=1.8|*10{+-5} {I4} (1988To13). Values
149HO3cA are relative to 100 for 5096|a
149HO cA E(B)$1988To13 suggest that this peak is a doublet, with
149HO2cA components from both the 1.48- and 2.5-s isomers; although
149HO3cA transitions from 2.5-s, (1/2+) parent would be favored in view of
149HO4cA low L value involved rather than much higher L value implied
149HO5cA by the 1.48-s, (11/2-) parent.
149HO cA HF$The nuclear radius parameter r{-0}({+149}Ho)=1.5621 {I20}
149HO2cA is deduced from interpolation (or unweighted average) of radius
149HO3cA parameters of the adjacent even-even nuclides in 2020Si16.
149HO cG E$From 1988To13. The |g rays are from the decay of either one of the
149HO2cG activities of {+153}Tm or both. However, (1/2+) parent would be
149HO3cG favored in view of low L value involved rather than much higher L
149HO4cG value implied by the 1.48-s, (11/2-) parent.
149HO cL J,T$From the Adopted Levels
153TM P 43.2 2 (1/2+) 2.5 S 2 5248.3 15
153TM cP E,J,T$From {+153}Tm Adopted Levels in the ENSDF database
153TM2cP (August 2020 update); no new references since this update.
153TM3cP Half-life in the ENSDF database is adopted from 1988ScZV.
153TM cP QP$From 2021Wa16
149HO N 0.92 3
149HO cN BR$%|a=92 {I3} (1989Ko02)
149HO L 49.0 (1/2+) 56 S 3 M
149HO2 L %EC+%B+=100
149HO A 5096 4 100 1.9 2
149HO cA E$1988To13 quote value from 1988ScZV
149HO L 220.4 (3/2+)
149HO A 4902 15 0.0018 LT 1.8E4 GT B ?
149HO G 171.4
149HO L 564.4 (5/2+)
149HO A 4586 10 0.0045 LT 135 GT B ?
149HO G 344.0