Po

Polonium-201m

Protons (Z)

84

Neutrons (N)

117

Mass number

201

Half-Life

8.96 m

Abundance

---

Mass

200.983 u

Mass Excess

-16,097.0 keV

Spin

13/2+

Discovered

1962

Binding energy per nucleon

7,824 keV

Neutron separation energy

7,226 keV

Proton separation energy

3,015 keV

Decay Mode

Decay chain

Polonium-201Z 84 · N 1178.96 m
γ56.2%
β⁺98.87%
β⁺100%
β⁺100%
EC100%