Dy

Dysprosium-157m

Protons (Z)

66

Neutrons (N)

91

Mass number

157

Half-Life

1.3 µs

Abundance

---

Mass

156.926 u

Mass Excess

-69,263.0 keV

Spin

9/2+

Discovered

1974

Binding energy per nucleon

8,184 keV

Neutron separation energy

6,805 keV

Proton separation energy

6,461 keV

Decay Mode

γDysprosium-157100%

Decay chain

Dysprosium-157Z 66 · N 911.3 µs
γ100%
β⁺100%
EC100%