Hf

Hafnium-187m

Protons (Z)

72

Neutrons (N)

115

Mass number

187

Half-Life

270.0 ns

Abundance

---

Mass

186.965 u

Mass Excess

-32,500.0 keV

Spin

(3/2-)

Discovered

2009

Binding energy per nucleon

7,944 keV

Neutron separation energy

4,151 keV

Proton separation energy

9,469 keV

Decay Mode

γHafnium-187100%

Decay chain

Hafnium-187Z 72 · N 115270.0 ns
γ100%
β⁻
β⁻100%
β⁻100%
β⁻100%