pdgLive Home   >   BOTTOM, CHARMED MESONS   >   ${{\mathit B}_{{c}}^{+}}$

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

${{\mathit B}_{{c}}^{+}}$ $I(J^P)$ = $0(0^{-})$ 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 ${{\mathit B}_{{c}}^{+}}$ $\rightarrow$ ${{\mathit J / \psi}}{{\mathit D}_{{s}}^{*+}}$   $0.54 \pm0.15$

A$_{P}({{\mathit B}_{{c}}^{+}}$ )   $-0.010 \pm0.010$

${{\mathit B}_{{c}}^{+}}$ Decay Modes ▸ Expand all decays
${{\mathit B}_{{c}}^{-}}$ modes are charge conjugates of the modes below.
Mode   Fraction ($\Gamma_i$ / $\Gamma$) Scale Factor/ Conf. Level P(MeV/c)   $\Gamma_{1}$ ${{\mathit J / \psi}{(1S)}}{{\mathit \ell}^{+}}{{\mathit \nu}_{{{{\mathit \ell}}}}}$ anything   seen     $\Gamma_{2}$ ${{\mathit J / \psi}{(1S)}}{{\mathit \mu}^{+}}{{\mathit \nu}_{{\mu}}}$   seen 2372   $\Gamma_{3}$ ${{\mathit J / \psi}{(1S)}}{{\mathit \tau}^{+}}{{\mathit \nu}_{{\tau}}}$   seen 1932   $\Gamma_{4}$ ${{\mathit J / \psi}{(1S)}}{{\mathit \pi}^{+}}$   seen 2370   $\Gamma_{5}$ ${{\mathit J / \psi}{(1S)}}{{\mathit K}^{+}}$   seen 2341   $\Gamma_{6}$ ${{\mathit J / \psi}{(1S)}}{{\mathit \pi}^{+}}{{\mathit \pi}^{+}}{{\mathit \pi}^{-}}$   seen 2350   $\Gamma_{7}$ ${{\mathit J / \psi}{(1S)}}{{\mathit a}_{{1}}{(1260)}}$   not seen 2169   $\Gamma_{8}$ ${{\mathit J / \psi}{(1S)}}{{\mathit K}^{+}}{{\mathit K}^{-}}{{\mathit \pi}^{+}}$   seen 2203   $\Gamma_{9}$ ${{\mathit J / \psi}{(1S)}}{{\mathit \pi}^{+}}{{\mathit \pi}^{+}}{{\mathit \pi}^{+}}{{\mathit \pi}^{-}}{{\mathit \pi}^{-}}$   seen 2309   $\Gamma_{10}$ ${{\mathit \psi}{(2S)}}{{\mathit \pi}^{+}}$   seen 2051   $\Gamma_{11}$ ${{\mathit J / \psi}{(1S)}}{{\mathit D}^{0}}{{\mathit K}^{+}}$   seen 1539   $\Gamma_{12}$ ${{\mathit J / \psi}{(1S)}}{{\mathit D}^{*}{(2007)}^{0}}{{\mathit K}^{+}}$   seen 1411   $\Gamma_{13}$ ${{\mathit J / \psi}{(1S)}}{{\mathit D}^{*}{(2010)}^{+}}{{\mathit K}^{*0}}$   seen 919   $\Gamma_{14}$ ${{\mathit J / \psi}{(1S)}}{{\mathit D}^{+}}{{\mathit K}^{*0}}$   seen 1122   $\Gamma_{15}$ ${{\mathit J / \psi}{(1S)}}{{\mathit D}_{{s}}^{+}}$   seen 1821   $\Gamma_{16}$ ${{\mathit J / \psi}{(1S)}}{{\mathit D}_{{s}}^{*+}}$   seen 1727   $\Gamma_{17}$ ${{\mathit J / \psi}{(1S)}}{{\mathit p}}{{\overline{\mathit p}}}{{\mathit \pi}^{+}}$   seen 1791   $\Gamma_{18}$ ${{\mathit \chi}_{{c0}}}{{\mathit \pi}^{+}}$   $(2.4^{+0.9}_{-0.8})\times 10^{-5}$ 2205   $\Gamma_{19}$ ${{\mathit p}}{{\overline{\mathit p}}}{{\mathit \pi}^{+}}$   not seen 2970   $\Gamma_{20}$ ${{\mathit D}^{0}}{{\mathit K}^{+}}$   seen 2837   $\Gamma_{21}$ ${{\mathit D}^{0}}{{\mathit \pi}^{+}}$   not seen 2858   $\Gamma_{22}$ ${{\mathit D}^{*0}}{{\mathit \pi}^{+}}$   not seen 2814   $\Gamma_{23}$ ${{\mathit D}^{*0}}{{\mathit K}^{+}}$   not seen 2792   $\Gamma_{24}$ ${{\mathit D}_{{s}}^{+}}{{\overline{\mathit D}}^{0}}$   $<7.2\times 10^{-4}$ CL=90% 2483   $\Gamma_{25}$ ${{\mathit D}_{{s}}^{+}}{{\mathit D}^{0}}$   $<3.0\times 10^{-4}$ CL=90% 2483   $\Gamma_{26}$ ${{\mathit D}^{+}}{{\overline{\mathit D}}^{0}}$   $<1.9\times 10^{-4}$ CL=90% 2521   $\Gamma_{27}$ ${{\mathit D}^{+}}{{\mathit D}^{0}}$   $<1.4\times 10^{-4}$ CL=90% 2521   $\Gamma_{28}$ ${{\mathit D}_{{s}}^{*+}}{{\overline{\mathit D}}^{0}}$   $<5.3\times 10^{-4}$ CL=90% 2425   $\Gamma_{29}$ ${{\mathit D}_{{s}}^{+}}{{\overline{\mathit D}}^{*}{(2007)}^{0}}$   $<4.6\times 10^{-4}$ CL=90% 2427   $\Gamma_{30}$ ${{\mathit D}_{{s}}^{*+}}{{\mathit D}^{0}}$   $<9\times 10^{-4}$ CL=90% 2425   $\Gamma_{31}$ ${{\mathit D}_{{s}}^{+}}{{\mathit D}^{*}{(2007)}^{0}}$   $<6.6\times 10^{-4}$ CL=90% 2427   $\Gamma_{32}$ ${{\mathit D}^{*}{(2010)}^{+}}{{\overline{\mathit D}}^{0}}$   $<3.8\times 10^{-4}$ CL=90% 2467   $\Gamma_{33}$ ${{\mathit D}^{*}{(2010)}^{+}}{{\overline{\mathit D}}^{0}}$ , ${{\mathit D}^{*+}}$ $\rightarrow$ ${{\mathit D}^{+}}{{\mathit \pi}^{0}}$ / ${{\mathit \gamma}}$   not seen     $\Gamma_{34}$ ${{\mathit D}^{+}}{{\overline{\mathit D}}^{*}{(2007)}^{0}}$   $<6.5\times 10^{-4}$ CL=90% 2466   $\Gamma_{35}$ ${{\mathit D}^{*}{(2007)}^{+}}{{\mathit D}^{0}}$   $<2.0\times 10^{-4}$ CL=90%     $\Gamma_{36}$ ${{\mathit D}^{*}{(2010)}^{+}}{{\mathit D}^{0}}$ , ${{\mathit D}^{*+}}$ $\rightarrow$ ${{\mathit D}^{+}}{{\mathit \pi}^{0}}$ / ${{\mathit \gamma}}$   not seen 2467   $\Gamma_{37}$ ${{\mathit D}^{+}}{{\mathit D}^{*}{(2007)}^{0}}$   $<3.7\times 10^{-4}$ CL=90% 2466   $\Gamma_{38}$ ${{\mathit D}_{{s}}^{*+}}{{\overline{\mathit D}}^{*}{(2007)}^{0}}$   $<1.3\times 10^{-3}$ CL=90% 2366   $\Gamma_{39}$ ${{\mathit D}_{{s}}^{*+}}{{\mathit D}^{*}{(2007)}^{0}}$   $<1.3\times 10^{-3}$ CL=90% 2366   $\Gamma_{40}$ ${{\mathit D}^{*}{(2010)}^{+}}{{\overline{\mathit D}}^{*}{(2007)}^{0}}$   $<1.0\times 10^{-3}$ CL=90% 2410   $\Gamma_{41}$ ${{\mathit D}^{*}{(2010)}^{+}}{{\mathit D}^{*}{(2007)}^{0}}$   $<7.7\times 10^{-4}$ CL=90% 2410   $\Gamma_{42}$ ${{\mathit D}^{+}}{{\mathit K}^{*0}}$   not seen 2783   $\Gamma_{43}$ ${{\mathit D}^{+}}{{\overline{\mathit K}}^{*0}}$   not seen 2783   $\Gamma_{44}$ ${{\mathit D}_{{s}}^{+}}{{\mathit K}^{*0}}$   not seen 2751   $\Gamma_{45}$ ${{\mathit D}_{{s}}^{+}}{{\overline{\mathit K}}^{*0}}$   not seen 2751   $\Gamma_{46}$ ${{\mathit D}_{{s}}^{+}}{{\mathit \phi}}$   not seen 2727   $\Gamma_{47}$ ${{\mathit K}^{+}}{{\mathit K}^{0}}$   not seen 3098   $\Gamma_{48}$ ${{\mathit B}_{{s}}^{0}}{{\mathit \pi}^{+}}$ / B(${{\overline{\mathit b}}}$ $\rightarrow$ ${{\mathit B}_{{s}}}$ )   seen
FOOTNOTES