148SM    152GD A DECAY                 1961MA05                  26NDS    202601
148SM  H TYP=FUL$AUT=N. NICA$CIT=NDS 208, 1 (2026)$CUT=17-Jan-2026$
148SM c  T{-1/2}({+152}Gd)=1.08|*10{+14} y {I8}, measured by 1961Ma05 and
148SM2c  adopted in 2013Ma77, is used in calculations here. Other value:
148SM2c  >8.4|*10{+18} y (2025Le11). See also >3.4 |*10{+17} for |a decay
148SM2c  to first 2+ in {+148}Sm (2023La12)
148SM c
148SM c  %|a=100. {+152}Gd is |b stable.
148SM c
148SM cA HF$The nuclear radius parameter r{-0}({+148}Sm)=1.5752 {I46} is deduced
148SM2cA from assumed HF=1.0 for the ground-state to ground-state alpha decay
148SM3cA branch
148SM cA IA        |a intensity per 100 |a decays.
152GD  P 0.0         0+                1.08E+14 Y 8             2203.8    10
152GD cP T$From 2013Ma77.
152GD cP QP$From 2021Wa16
148SM  N                       1.0
148SM  L 0.0         0+                6.5E15 Y  +12-13
148SM  A               100     1.0
148SM cA E         calculated from Q(|a)({+152}Gd)=2203.8 {I10}. E|a=2140 {I30}
148SM2cA was measured by 1961Ma05.
148SM cA IA        only one |a group was observed. An upper limit of
148SM2cA 2.3|*10{+-9}% is calculated for intensity of an unobserved 1595-keV |a
148SM3cA branch to the 2+ state at 550.265-keV in {+148}Sm by requiring
148SMxcA HF(1611.2|a)>1.