BOTTOM MESONS
($\boldsymbol B$ = $\pm1$)
${{\mathit B}^{+}}$ = ${\mathit {\mathit u}}$ ${\mathit {\overline{\mathit b}}}$, ${{\mathit B}^{0}}$ = ${\mathit {\mathit d}}$ ${\mathit {\overline{\mathit b}}}$, ${{\overline{\mathit B}}^{0}}$ = ${\mathit {\overline{\mathit d}}}$ ${\mathit {\mathit b}}$, ${{\mathit B}^{-}}$ = ${\mathit {\overline{\mathit u}}}$ ${\mathit {\mathit b}}$,
similarly for ${{\mathit B}^{*}}$'s
INSPIRE search

${{\boldsymbol B}_{{1}}{(5721)}^{+}}$ $I(J^P)$ = $1/2(1^{+})$

Quantum numbers shown are quark-model predictions.
${{\mathit B}_{{1}}{(5721)}^{+}}$ MASS   $5725.9 {}^{+2.5}_{-2.7}$ MeV 
${\mathit m}_{{{\mathit B}_{{1}}^{+}}}–{\mathit m}_{{{\mathit B}^{*0}}}$   $401.2 {}^{+2.4}_{-2.7}$ MeV 
${{\mathit B}_{{1}}{(5721)}^{+}}$ WIDTH   $31 \pm6$ MeV (S = 1.1)
$\Gamma_{1}$ ${{\mathit B}^{*0}}{{\mathit \pi}^{+}}$ seen363