Sm

Samarium-136m

Protons (Z)

62

Neutrons (N)

74

Mass number

136

Half-Life

15.0 µs

Abundance

---

Mass

135.931 u

Mass Excess

-64,546.0 keV

Spin

(8-)

Discovered

1994

Binding energy per nucleon

8,189 keV

Neutron separation energy

9,757 keV

Proton separation energy

1,775 keV

Decay Mode

γSamarium-136100%

Decay chain

Samarium-136Z 62 · N 7415.0 µs
γ100%
β⁺100%
β⁺100%
β⁺100%
β⁺100%