Cs

Caesium-127

Protons (Z)

55

Neutrons (N)

72

Mass number

127

Half-Life

6.25 h

Abundance

---

Mass

126.907 u

Mass Excess

-86,240.0 keV

Spin

1/2+

Discovered

1950

Binding energy per nucleon

8,412 keV

Neutron separation energy

9,960 keV

Proton separation energy

4,383 keV

Decay Mode

β⁺Xenon-127100%

Decay chain

Caesium-127Z 55 · N 726.25 h
β⁺100%
EC100%