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BOTTOM, CHARMED MESONS
($\mathit B$ = $\mathit C$ = $\pm{}$1)
${{\mathit B}_{{c}}^{+}}$ = ${\mathit {\mathit c}}$ ${\mathit {\overline{\mathit b}}}$, ${{\mathit B}_{{c}}^{-}}$ = ${\mathit {\overline{\mathit c}}}$ ${\mathit {\mathit b}}$,
similarly for ${{\mathit B}_{{c}}^{*}}$'s

INSPIRE JSON (beta) PDGID:

${{\mathit B}_{{c}}^{+}}$

$I(J^P)$ = $0(0^{-})$ I, J, P need confirmation.

Quantum numbers shown are quark-model predictions.

${{\mathit B}_{{c}}^{+}}$ MASS

$6274.47 \pm0.32$ MeV

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

$907.8 \pm0.5$ MeV

${{\mathit B}_{{c}}^{+}}$ MEAN LIFE

$(0.510 \pm0.009) \times 10^{-12}$ s

POLARIZATION IN ${{\mathit B}_{{c}}^{+}}$ DECAY

$\Gamma _{L}/\Gamma $ in ${{\mathit B}_{{c}}^{+}}$ $\rightarrow$ ${{\mathit J / \psi}}{{\mathit D}_{{s}}^{*+}}$

A$_{P}({{\mathit B}_{{c}}^{+}}$)

$-0.010 \pm0.010$

${{\mathit B}_{{c}}^{+}}$ DECAY MODES ${\times }$ B( ${{\overline{\mathit b}}}$ $\rightarrow$ ${{\mathit B}_{{c}}}$ ) ▸ Expand all decays

The following quantities are not pure branching ratios; rather the fractions $\Gamma _{\mathit i}/\Gamma $ ${\times }$ B( ${{\overline{\mathit b}}}$ $\rightarrow$ ${{\mathit B}_{{c}}}$ ). ${{\mathit B}_{{c}}^{-}}$ modes are charge conjugates of the modes below.

${{\mathit J / \psi}{(1S)}}{{\mathit \ell}^{+}}{{\mathit \nu}_{{{{\mathit \ell}}}}}$ anything

${{\mathit J / \psi}{(1S)}}{{\mathit \mu}^{+}}{{\mathit \nu}_{{\mu}}}$

${{\mathit J / \psi}{(1S)}}{{\mathit \tau}^{+}}{{\mathit \nu}_{{\tau}}}$

${{\mathit J / \psi}{(1S)}}{{\mathit \pi}^{+}}$

${{\mathit J / \psi}{(1S)}}{{\mathit K}^{+}}$

${{\mathit J / \psi}{(1S)}}{{\mathit \pi}^{+}}{{\mathit \pi}^{+}}{{\mathit \pi}^{-}}$

${{\mathit J / \psi}{(1S)}}{{\mathit K}^{+}}{{\mathit \pi}^{-}}{{\mathit \pi}^{+}}$

${{\mathit J / \psi}{(1S)}}{{\mathit K}^{+}}{{\mathit K}^{-}}{{\mathit K}^{+}}$

${{\mathit J / \psi}{(1S)}}{{\mathit a}_{{1}}{(1260)}}$

${{\mathit J / \psi}{(1S)}}{{\mathit K}^{+}}{{\mathit K}^{-}}{{\mathit \pi}^{+}}$

${{\mathit J / \psi}{(1S)}}{{\mathit \pi}^{+}}{{\mathit \pi}^{+}}{{\mathit \pi}^{+}}{{\mathit \pi}^{-}}{{\mathit \pi}^{-}}$

${{\mathit \psi}{(2S)}}{{\mathit \pi}^{+}}$

${{\mathit \psi}{(2S)}}{{\mathit \pi}^{+}}{{\mathit \pi}^{-}}{{\mathit \pi}^{+}}$

${{\mathit \psi}{(2S)}}{{\mathit K}^{+}}{{\mathit K}^{-}}{{\mathit \pi}^{+}}$

${{\mathit J / \psi}{(1S)}}{{\mathit D}^{0}}{{\mathit K}^{+}}$

${{\mathit J / \psi}{(1S)}}{{\mathit D}^{*}{(2007)}^{0}}{{\mathit K}^{+}}$

${{\mathit J / \psi}{(1S)}}{{\mathit D}^{*}{(2010)}^{+}}{{\mathit K}^{*0}}$

${{\mathit J / \psi}{(1S)}}{{\mathit D}^{+}}{{\mathit K}^{*0}}$

${{\mathit J / \psi}{(1S)}}{{\mathit D}_{{s}}^{+}}$

${{\mathit J / \psi}{(1S)}}{{\mathit D}_{{s}}^{*+}}$

${{\mathit J / \psi}{(1S)}}{{\mathit p}}{{\overline{\mathit p}}}{{\mathit \pi}^{+}}$

${{\mathit \chi}_{{c0}}}{{\mathit \pi}^{+}}$

$(2.4^{+0.9}_{-0.8})\times 10^{-5}$

${{\mathit p}}{{\overline{\mathit p}}}{{\mathit \pi}^{+}}$

${{\mathit D}^{0}}{{\mathit K}^{+}}$

${{\mathit D}^{0}}{{\mathit \pi}^{+}}$

${{\mathit D}^{*0}}{{\mathit \pi}^{+}}$

${{\mathit D}^{*0}}{{\mathit K}^{+}}$

${{\mathit D}_{{s}}^{+}}{{\overline{\mathit D}}^{0}}$

$<7.2\times 10^{-4}$

${{\mathit D}_{{s}}^{+}}{{\mathit D}^{0}}$

$<3.0\times 10^{-4}$

${{\mathit D}^{+}}{{\overline{\mathit D}}^{0}}$

$<1.9\times 10^{-4}$

${{\mathit D}^{+}}{{\mathit D}^{0}}$

$<1.4\times 10^{-4}$

${{\mathit D}_{{s}}^{*+}}{{\overline{\mathit D}}^{0}}$

$<5.3\times 10^{-4}$

${{\mathit D}_{{s}}^{+}}{{\overline{\mathit D}}^{*}{(2007)}^{0}}$

$<4.6\times 10^{-4}$

${{\mathit D}_{{s}}^{*+}}{{\mathit D}^{0}}$

$<9\times 10^{-4}$

${{\mathit D}_{{s}}^{+}}{{\mathit D}^{*}{(2007)}^{0}}$

$<6.6\times 10^{-4}$

${{\mathit D}^{*}{(2010)}^{+}}{{\overline{\mathit D}}^{0}}$

$<3.8\times 10^{-4}$

${{\mathit D}^{*}{(2010)}^{+}}{{\overline{\mathit D}}^{0}}$ , ${{\mathit D}^{*+}}$ $\rightarrow$ ${{\mathit D}^{+}}{{\mathit \pi}^{0}}$ / ${{\mathit \gamma}}$

${{\mathit D}^{+}}{{\overline{\mathit D}}^{*}{(2007)}^{0}}$

$<6.5\times 10^{-4}$

${{\mathit D}^{*}{(2007)}^{+}}{{\mathit D}^{0}}$

$<2.0\times 10^{-4}$

${{\mathit D}^{*}{(2010)}^{+}}{{\mathit D}^{0}}$ , ${{\mathit D}^{*+}}$ $\rightarrow$ ${{\mathit D}^{+}}{{\mathit \pi}^{0}}$ / ${{\mathit \gamma}}$

${{\mathit D}^{+}}{{\mathit D}^{*}{(2007)}^{0}}$

$<3.7\times 10^{-4}$

${{\mathit D}_{{s}}^{*+}}{{\overline{\mathit D}}^{*}{(2007)}^{0}}$

$<1.3\times 10^{-3}$

${{\mathit D}_{{s}}^{*+}}{{\mathit D}^{*}{(2007)}^{0}}$

$<1.3\times 10^{-3}$

${{\mathit D}^{*}{(2010)}^{+}}{{\overline{\mathit D}}^{*}{(2007)}^{0}}$

$<1.0\times 10^{-3}$

${{\mathit D}^{*}{(2010)}^{+}}{{\mathit D}^{*}{(2007)}^{0}}$

$<7.7\times 10^{-4}$

${{\mathit D}^{+}}{{\mathit K}^{*0}}$

${{\mathit D}^{+}}{{\overline{\mathit K}}^{*0}}$

${{\mathit D}_{{s}}^{+}}{{\mathit K}^{*0}}$

${{\mathit D}_{{s}}^{+}}{{\overline{\mathit K}}^{*0}}$

${{\mathit D}_{{s}}^{+}}{{\mathit \phi}}$

${{\mathit K}^{+}}{{\mathit K}^{0}}$

${{\mathit B}_{{s}}^{0}}{{\mathit \pi}^{+}}$ / B(${{\overline{\mathit b}}}$ $\rightarrow$ ${{\mathit B}_{{s}}}$ )

FOOTNOTES

Except where otherwise noted, content of the 2023 Review of Particle Physics is licensed under a Creative Commons Attribution-NonCommercial 4.0 International (CC BY-NC 4.0) license. The publication of the Review of Particle Physics is supported by US DOE, MEXT (Japan), INFN (Italy), JPS and CERN. Individual collaborators receive support for their PDG activities from their respective institutes or funding agencies. © 2023. See LBNL disclaimers.