m (d)
m (dC), α (C)
m (s)
m (b)
exp.
4.8 MeV
4.8 MeV, 13.04˚
100 MeV
4.2 GeV
calc.
4.58 ± 0.3 MeV
4.74 MeV, 13.1˚
149 ± 15 MeV
6.1 ± 2.9 GeV