100-FM-255
Atomic Mass Mass Excess
255.089955504223 amu 83.793 MeV

Level energy (MeV) Spin & parity Half-life Mode of decay Branch ratio (%) Decay energy (MeV)
Ground state 7/2+ 20.07 H 0.07 A 100 7.24
Ground state 7/2+ 20.07 H 0.07 SF .00002 4 0.000

Strong Gamma-rays from Decay of FM-255

Decay mode Half-life Gamma-ray energy (keV) Intensity (%)
A 20.07 H 0.07 .57 17.0+- 2.0
A 20.07 H 0.07 58.477 0.72+- 0.11
A 20.07 H 0.07 81.477 0.81+- 0.09