Caesium-134 (Cs-134)

Identity

Protons

55

Neutrons

79

Mass number

134

Mass

133.907 ± 0.017 u

Mass excess

-86.891 MeV

Spin

4+*

Stability

Half-life: 2.07 years

Natural occurrence

Not found in nature

Decays to

• beta minus 100.0 % → Ba-134
• electron capture 0.00030 % → Xe-134