Gd

Gadolinium-140

Protons (Z)

64

Neutrons (N)

76

Mass number

140

Half-Life

15.8 s

Abundance

---

Mass

139.934 u

Mass Excess

-61,782.0 keV

Spin

0+

Discovered

1985

Binding energy per nucleon

8,155 keV

Neutron separation energy

12,223 keV

Proton separation energy

3,673 keV

Decay Mode

β⁺67%

Decay chain

Gadolinium-140Z 64 · N 7615.8 s
β⁺100%
β⁺100%
β⁺100%
β⁺100%
EC100%
β⁺100%