Rf
Rutherfordium-255m
Protons (Z)
104
Neutrons (N)
151
Mass number
255
Half-Life
43.0 µs
Abundance
---
Mass
255.101 u
Mass Excess
94,480.0 keV
Spin
(5/2+)
Discovered
2015
Binding energy per nucleon
7,382 keV
Neutron separation energy
6,791 keV
Proton separation energy
2,459 keV
Decay Mode
- γ→Rutherfordium-255100%
Decay chain
- RfRutherfordium-255Z 104 · N 15143.0 µs
- γ100%
- α52.8%
- α83%
- α64%
- β⁺86%
- β⁺~100%
- α~100%
- α~100%
- α~100%
- β⁻100%
- α~100%
- β⁻98.62%
- α100%
- α~100%
- α100%
- α~100%
- β⁻100%
- α~100%
- β⁻100%