Baryon

Composition

Calculated mass without

binding energy MeV

Calculated mass with

binding energy MeV

Observed mass

MeV

% difference

proton (P)

u_bu_bd_b

985.679

938.261

938.272

−0.0006

neutron (N)

u_bd_bd_b

985.508

939.425

939.565

−0.01

Lambda (Λ⁰)

u_bd_bs_b − g*

1126.1

1117.7

1115.7

0.18

Sigma (Σ⁰)

u_bd_bs_b

1196.1

1192.6

0.29

charmed Lambda ( ${\Lambda }_{\text{c}}^{+}$ )

u_bd_bc_b + g*

2332.4

2286.3

2286.5

0.005

charmed Sigma ( ${\Sigma }_{\text{c}}^{+}$ )

u_bd_bc_b + 3g*

2472.5

2449.4

2452.9

−0.14

bottom Lambda ( ${\Lambda }_{\text{b}}^{+}$ )

u_bd_bb_b

5631.7

5608.7

5619.4

−0.19

Sigma (Σ⁺)

u_bu_bs_b

1196.3

1187.9

1189.4

−0.13

Sigma (Σ−)

d_bd_bs_b

1195.9

1197.4

−0.13

charmed Sigma ( ${\Sigma }_{\text{c}}^{++}$ )

u_bu_bc_b + 3g*

2472.7

2449.6

2453.7

−0.18

charmed Sigma ( ${\Sigma }_{\text{c}}^0$ )

d_bd_bc_b + 3g*

2472.3

2449.4

2453.7

−0.14

bottom Sigma ( ${\Sigma }_{\text{b}}^{+}$ )

u_bu_bb_b + 3g*

5842.0

5818.9

5811.3

0.13

bottom Sigma ( ${\Sigma }_{\text{b}}^{-}$ )

d_bd_bb_b + 3g*

5841.6

5818.6

5815.5

0.05

Xi (Ξ⁰)

u_bs_bs_b − g*

1336.7

1313.6

1319.9

0.38

Xi (Ξ⁻)

d_bs_bs_b − g*

1336.5

1328.1

1319.7

−0.15

charmed Xi ( ${\Xi }_{\text{c}}^{+}$ )

u_bs_bc_b

2473.0

2464.6

2467.8

−0.13

charmed Xi ( ${\Xi }_{\text{c}}^{+}$ )

d_bs_bc_b

2472.8

2470.9

0.08

charmed Xi prime ( ${\Xi }_{\text{c}}^{+}{}^{\prime }$ )

u_bs_bc_b + 2g*

2612.9

2581.6

2575.6

0.23

charmed Xi prime ( ${\Xi }_{\text{c}}^{+}{}^{\prime }$ )

d_bs_bc_b + 2g*

2612.9

2581.4

2577.9

0.14

double charmed Xi ( ${\Xi }_{\text{c}}^{++}{}^{\prime }$ )

u_bc_bc_b + 2g*

3679.3

3633.3

3621.4

0.33

bottom Xi ( ${\Xi }_{\text{b}}^{+}$ )

u_bs_bb_b

5842.3

5810.9

5787.8

0.40

bottom Xi ( ${\Xi }_{\text{b}}^{+}$ )

d_bs_bb_b

5842.2

5810.7

5791.1

0.34

charmed Omega ( ${\Omega }_{\text{c}}^0$ )

s_bs_bc_b

2683.4

2695.2

−0.44

bottom Omega ( ${\Omega }_{\text{b}}^0$ )

s_bs_bb_b

6052.8

6071

−0.30