149GD 153DY A DECAY (6.4 H) 1974TO07 22NDS 202210
149GD H TYP=FUL$AUT=Balraj Singh and Jun Chen$CIT=NDS 185, 2 (2022)$
149GD2 H CUT=23-Aug-2022$
149GD c 1974To07: {+153}Dy source was produced in {+142}Nd({+12}C,n) with 118
149GD2c MeV {+12}C beam from the Oak Ridge isochronous cyclotron. Measured
149GD3c I|a, K|a| x-ray, I|g, E|g, |a-decay branching ratio
149GD c Other measurements: 1978AfZZ, 1967Go32, 1965Ma51, 1964Ma19, 1962Ry03,
149GD2c 1960To05, 1958To27
149GD c Theoretical calculations: 1985Ch32
149GD cA HF$The nuclear radius parameter r{-0}({+149}Gd)=1.560 {I21}
149GD2cA is deduced from interpolation (or unweighted average) of radius
149GD3cA parameters of the adjacent even-even nuclides in 2020Si16.
149GD cL J,T$From the Adopted Levels
153DY P 0.0 7/2(-) 6.4 H 1 3559 4
153DY cP J,T$From {+153}Dy Adopted Levels in the ENSDF database
153DY2cP (August 2020 update)
153DY dP T$6.3 h (1978AfZZ), 6.75 h {I15} (1965Ma51), 6.4 h {I2} (1964Ma19), 5.0
153DY2dP h {I5} (1960To05,1958To27)
153DY cP QP$From 2021Wa16
149GD N 9.4E-5 14
149GD cN BR$1974To07 deduced branching=1.13|*10{+-4} {I17} from absolute
149GD2cN intensities of 80.75-, 99.65- and 274.7-keV gamma rays measured by
149GD3cN 1970Ch09, and 0.83|*10{+-4} {I13} from their
149GD4cN observed K|a| x-ray intensity. The listed value is the weighted
149GD5cN average of these results. Both results are in disagreement with the
149GD6cN value, Branching=3.0|*10{+-3}% {I3}, reported by 1964Ma19. Compilation
149GD7cN of 1991Ry01 gives %|a=0.009 {I4}
149GD L 0.0 7/2- 9.28 D 10
149GD A 3464 5 99.98 1 1.2 2
149GD cA E$from 1967Go32 and 1978AfZZ. Others: 3480 {I20} (1964Ma19),
149GD2cA 3480 {I50} (1960To05), 3464 {I8} (1965Ma51)
149GD cA IA$1967Go32 also report that I|a/I|a(3464|a)<2|*10{+-5} for
149GD2cA any alpha in the energy range 3000 to 3300 keV
149GD L 164.5 5/2-
149GD A 3305 5 0.02 1 2.7E2 15
149GD cA E,IA$from 1967Go32.
149GD cA $I|a(3305|a)/I|a(3464|a)=(2.3|*10{+-8} {I12})/(1.13|*10{+-4}
149GD2cA {I17}) in 1974To07