Sm

Samarium-148

Protons (Z)

62

Neutrons (N)

86

Mass number

148

Half-Life

6.3 Py

Abundance

11.25%

Mass

147.915 u

Mass Excess

-79,336.1 keV

Spin

0+

Discovered

1933

Binding energy per nucleon

8,280 keV

Neutron separation energy

8,141 keV

Proton separation energy

7,583 keV

Decay Mode

αNeodymium-144100%

Decay chain

Samarium-148Z 62 · N 866.3 Py
α100%
α100%