Hf

Hafnium-187

Protons (Z)

72

Neutrons (N)

115

Mass number

187

Half-Life

14.0 s

Abundance

---

Mass

186.965 u

Mass Excess

-33,000.0 keV

Spin

(9/2-)

Discovered

1999

Binding energy per nucleon

7,947 keV

Neutron separation energy

4,651 keV

Proton separation energy

9,969 keV

Decay Mode

β⁻Tantalum-187

Decay chain

Hafnium-187Z 72 · N 11514.0 s
β⁻
β⁻100%
β⁻100%
β⁻100%