Gd

Gadolinium-157n

Protons (Z)

64

Neutrons (N)

93

Mass number

157

Half-Life

18.5 µs

Abundance

---

Mass

156.924 u

Mass Excess

-70,397.4 keV

Spin

11/2-

Discovered

1961

Binding energy per nucleon

8,201 keV

Neutron separation energy

5,933 keV

Proton separation energy

7,603 keV

Decay Mode

γGadolinium-157100%

Decay chain

Gadolinium-157Z 64 · N 9318.5 µs
γ100%