Gd

Gadolinium-157m

Protons (Z)

64

Neutrons (N)

93

Mass number

157

Half-Life

460.0 ns

Abundance

---

Mass

156.924 u

Mass Excess

-70,760.0 keV

Spin

5/2+

Discovered

1964

Binding energy per nucleon

8,203 keV

Neutron separation energy

6,296 keV

Proton separation energy

7,966 keV

Decay Mode

γGadolinium-157100%

Decay chain

Gadolinium-157Z 64 · N 93460.0 ns
γ100%