Caesium-132 (Cs-132)

Identity

Protons

55

Neutrons

77

Mass number

132

Mass

131.9 ± 1.1 u

Mass excess

-87.153 MeV

Spin

2+*

Stability

Half-life: 6.48 days

Natural occurrence

Not found in nature

Decays to

• positron emission 98.1 % → Xe-132
• beta minus 1.9 % → Ba-132