62-SM-156
Atomic Mass Mass Excess
155.92552607928 amu -69.372 MeV

Level energy (MeV) Spin & parity Half-life Mode of decay Branch ratio (%) Decay energy (MeV)
Ground state 0+ 9.4 H 0.2 B- 100 .722

Strong Gamma-rays from Decay of SM-156

Decay mode Half-life Gamma-ray energy (keV) Intensity (%)
B- 9.4 H 0.2 22.60 7.+- 4.
B- 9.4 H 0.2 38.10 1.5+- 1.5
B- 9.4 H 0.2 65.0 2.3+- 0.4
B- 9.4 H 0.2 87.60 24.+- 8.
B- 9.4 H 0.2 103.0 1.8+- 0.3
B- 9.4 H 0.2 165.8 13.+- 3.
B- 9.4 H 0.2 204.0 21.+- 4.
B- 9.4 H 0.2 244.0 2.1+- 0.9
B- 9.4 H 0.2 268.5 2.4+- 0.9
B- 9.4 H 0.2 291.0 2.7+- 1.1