Pr

Praseodymium-137m

Protons (Z)

59

Neutrons (N)

78

Mass number

137

Half-Life

2.66 µs

Abundance

---

Mass

136.911 u

Mass Excess

-82,641.0 keV

Spin

11/2-

Discovered

1987

Binding energy per nucleon

8,338 keV

Neutron separation energy

9,372 keV

Proton separation energy

3,421 keV

Decay Mode

γPraseodymium-137100%

Decay chain

Praseodymium-137Z 59 · N 782.66 µs
γ100%
β⁺100%
β⁺100%
EC100%