Particle Name

Mass Formula

Theoretical Value A of Mass (MeV)

Experimental Value [2] B of Mass (MeV)

Error Rate = (A/B − 1)*%

Δ + +

m Δ + + = m 0 ( 1 + 0.5 ln ( 1 2 ( 3 3 ) 3 α ) )

1221

1232 ± 2

−0.89%

Δ +

m Δ + = m 0 ( 1 + 0.5 ln ( 1 2 3 α ) )

1220

1232 ± 2

−0.97%

Δ 0

m Δ 0 = m 0 ( 1 + 0.5 ln ( 1 2 3 α ) )

1220

1232 ± 2

−0.97%

Δ

m Δ = m 0 ( 1 + 0.5 ln ( 1 2 3 α ) )

1220

1232 ± 2

−0.97%