Rf
Rutherfordium-254m
Protons (Z)
104
Neutrons (N)
150
Mass number
254
Half-Life
4.3 µs
Abundance
---
Mass
254.101 u
Mass Excess
94,500.0 keV
Spin
(8-)
Discovered
2015
Binding energy per nucleon
7,379 keV
Neutron separation energy
7,211 keV
Proton separation energy
1,309 keV
Decay Mode
- γ→Rutherfordium-254100%
- SF<10%
Decay chain
- RfRutherfordium-254Z 104 · N 1504.3 µs
- γ100%
- α<1.5%
- α
- α93.2%
- α61%
- α3.84%
- EC94%
- β⁺100%
- α~100%
- α~100%
- α~100%
- α100%
- α99.98%
- β⁻100%
- β⁻99.976%
- α100%
- β⁻~100%
- β⁻~100%
- α100%