Tm

Thulium-156m

Protons (Z)

69

Neutrons (N)

87

Mass number

156

Half-Life

---

Abundance

---

Mass

155.939 u

Mass Excess

-56,430.0 keV

Spin

(11-)

Discovered

1985

Binding energy per nucleon

8,087 keV

Neutron separation energy

7,875 keV

Proton separation energy

1,510 keV

Decay Mode

γThulium-156100%

Decay chain

Thulium-156Z 69 · N 87Unknown
γ100%
β⁺~100%
β⁺~100%
β⁺100%