La
Lanthanum-127
Protons (Z)
57
Neutrons (N)
70
Mass number
127
Half-Life
5.1 m
Abundance
---
Mass
126.916 u
Mass Excess
-77,896.0 keV
Spin
(11/2-)
Discovered
1963
Binding energy per nucleon
8,334 keV
Neutron separation energy
10,997 keV
Proton separation energy
2,515 keV
Decay Mode
- β⁺→Barium-127100%
Decay chain
- LaLanthanum-127Z 57 · N 705.1 m
- β⁺100%
- β⁺100%
- β⁺100%
- EC100%