pdgLive Home   >   BOTTOM MESONS   >   ${{\mathit B}^{*}}$

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

INSPIRE

${{\mathit B}^{*}}$ $I(J^P)$ = $1/2(1^{-})$ I, J, P need confirmation.

Quantum numbers shown are quark-model predictions.

${{\mathit B}^{*}}$ MASS   $5324.71 \pm0.21$ MeV

${\mathit m}_{{{\mathit B}^{*}}}–{\mathit m}_{{{\mathit B}^{}}}$   $45.21 \pm0.21$ MeV

${\mathit m}_{{{\mathit B}^{*+}}}–{\mathit m}_{{{\mathit B}^{+}}}$   $45.37 \pm0.21$ MeV

$\vert ({\mathit m}_{{{\mathit B}^{*+}}}–{\mathit m}_{{{\mathit B}^{+}}}$) $-$ (${\mathit m}_{{{\mathit B}^{*0}}}–{\mathit m}_{{{\mathit B}^{0}}})\vert $   $<6$ MeV  CL=95.0%

${\mathit m}_{{{\mathit B}^{*0}}}–{\mathit m}_{{{\mathit B}^{*+}}}$   $0.91 \pm0.26$ MeV

${{\mathit B}^{*}}$ Decay Modes
Mode   Fraction ($\Gamma_i$ / $\Gamma$) Scale Factor/ Conf. Level P(MeV/c)   $\Gamma_{1}$ ${{\mathit B}}{{\mathit \gamma}}$   seen 45
FOOTNOTES