pdgLive Home   >   BOTTOM MESONS ($\mathit B$ = $\pm1$)   >   ${{\mathit B}_{{{1}}}{(5721)}}$

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   JSON PDGID: M244

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

Quantum numbers shown are quark-model predictions.

Expand/Collapse All

▸  exp ${{\mathit B}_{{{1}}}{(5721)}}$ MASS

${{\mathit B}_{{{1}}}{(5721)}^{+}}$ mass $5726.0^{+2.5}_{-2.7}$ MeV

${\mathit m}_{{{\mathit B}_{{{1}}}^{+}}}-{\mathit m}_{{{\mathit B}^{*0}}}$ $401.2^{+2.4}_{-2.7}$ MeV

${{\mathit B}_{{{1}}}{(5721)}^{0}}$ mass $5726.1$ $\pm1.2$ MeV (S = 1.2)

${\mathit m}_{{{\mathit B}_{{{1}}}^{0}}}-{\mathit m}_{{{\mathit B}^{+}}}$ $441.5$ $\pm2.7$ MeV

${\mathit m}_{{{\mathit B}_{{{1}}}^{0}}}-{\mathit m}_{{{\mathit B}^{*+}}}$ $401.4$ $\pm1.2$ MeV (S = 1.2)

▸  exp ${{\mathit B}_{{{1}}}{(5721)}}$ WIDTH

${{\mathit B}_{{{1}}}{(5721)}^{+}}$ width $31$ $\pm6$ MeV (S = 1.1)

${{\mathit B}_{{{1}}}{(5721)}^{0}}$ width $27.5$ $\pm3.4$ MeV (S = 1.1)

${{\mathit B}_{{{1}}}{(5721)}}$ DECAY MODES
Mode   Fraction ($\Gamma_i$ / $\Gamma$) Scale Factor/ Conf. Level P(MeV/c)   $\Gamma_{1}$ ${{\mathit B}^{*}}{{\mathit \pi}}$ seen 365