57-LA-140
Atomic Mass Mass Excess
139.909472296623 amu -84.326 MeV

Level energy (MeV) Spin & parity Half-life Mode of decay Branch ratio (%) Decay energy (MeV)
Ground state 3- 1.6781 D 0.0003 B- 100 3.762

Strong Gamma-rays from Decay of LA-140

Decay mode Half-life Gamma-ray energy (keV) Intensity (%)
B- 1.6781 D 0.0007 328.762 20.3+- 0.3
B- 1.6781 D 0.0007 432.493 2.90+- 0.03
B- 1.6781 D 0.0007 487.021 45.5+- 0.6
B- 1.6781 D 0.0007 751.637 4.33+- 0.04
B- 1.6781 D 0.0007 815.772 23.28+- 0.20
B- 1.6781 D 0.0007 867.846 5.50+- 0.07
B- 1.6781 D 0.0007 919.550 2.66+- 0.03
B- 1.6781 D 0.0007 925.189 6.90+- 0.07
B- 1.6781 D 0.0007 950.99 0.519+-0.007
B- 1.6781 D 0.0007 1596.21 95.4+- 1.5
B- 1.6781 D 0.0007 2347.88 0.85+- 0.03
B- 1.6781 D 0.0007 2521.40 3.46+- 0.04