BOTTOM BARYONS
($\mathit B$ = $-1$)
${{\mathit \Lambda}_{{{b}}}^{0}}$ = ${{\mathit u}}{{\mathit d}}{{\mathit b}}$, ${{\mathit \Sigma}_{{{b}}}^{0}}$ = ${{\mathit u}}{{\mathit d}}{{\mathit b}}$, ${{\mathit \Sigma}_{{{b}}}^{+}}$ = ${{\mathit u}}{{\mathit u}}{{\mathit b}}$, ${{\mathit \Sigma}_{{{b}}}^{-}}$ = ${{\mathit d}}{{\mathit d}}{{\mathit b}}$
${{\mathit \Xi}_{{{b}}}^{0}}$ = ${{\mathit u}}{{\mathit s}}{{\mathit b}}$, ${{\mathit \Xi}_{{{b}}}^{-}}$ = ${{\mathit d}}{{\mathit s}}{{\mathit b}}$, ${{\mathit \Omega}_{{{b}}}^{-}}$ = ${{\mathit s}}{{\mathit s}}{{\mathit b}}$
INSPIRE   JSON PDGID:
S026

${{\mathit \Sigma}_{{{b}}}}$

$I(J^P)$ = $1(1/2^{+})$ I, J, P need confirmation.
In the quark model ${{\mathit \Sigma}_{{{b}}}^{+}}$, ${{\mathit \Sigma}_{{{b}}}^{0}}$, ${{\mathit \Sigma}_{{{b}}}^{-}}$ are an isotriplet ($\mathit uub$, $\mathit udb$, $\mathit ddb$) state. The lowest ${{\mathit \Sigma}_{{{b}}}}$ ought to have $\mathit J{}^{P} = 1/2{}^{+}$. None of $\mathit I,~J$, or $\mathit P$ have actually been measured.
Expand/Collapse All
▸  ${{\mathit \Sigma}_{{{b}}}}$ MASS
▸  ${{\mathit \Sigma}_{{{b}}}}$ WIDTH
Mode  
Fraction ($\Gamma_i$ / $\Gamma$) Scale Factor/
Conf. Level
P(MeV/c)  
$\Gamma_{1}$ ${{\mathit \Lambda}_{{{b}}}^{0}}{{\mathit \pi}}$ dominant 133