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

${{\boldsymbol B}_{{1}}{(5721)}^{0}}$ $I(J^P)$ = $1/2(1^{+})$ I, J, P need confirmation.

Quantum numbers shown are quark-model predictions.

${{\mathit B}_{{1}}{(5721)}^{0}}$ MASS

$5726.1 \pm1.3$ MeV (S = 1.2)

${\mathit m}_{{{\mathit B}_{{1}}^{0}}}–{\mathit m}_{{{\mathit B}^{+}}}$

$446.7 \pm1.3$ MeV (S = 1.2)

${\mathit m}_{{{\mathit B}_{{1}}^{0}}}–{\mathit m}_{{{\mathit B}^{*+}}}$

$401.4 \pm1.2$ MeV (S = 1.2)

${{\mathit B}_{{1}}{(5721)}^{0}}$ WIDTH

$27.5 \pm3.4$ MeV (S = 1.1)

Decay Modes

$\Gamma_{1}$

${{\mathit B}^{*+}}{{\mathit \pi}^{-}}$

seen

363