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${\mathit {\mathit b}}$ ${\mathit {\overline{\mathit b}}}$ MESONS
(including possibly non-${\mathit {\mathit q}}$ ${\mathit {\overline{\mathit q}}}$ states)

INSPIRE JSON PDGID:

${{\mathit \Upsilon}{(10860)}}$

$I^G(J^{PC})$ = $0^-(1^{- -})$

${{\mathit \Upsilon}{(10860)}}$ MASS

$10885.2 {}^{+2.6}_{-1.6}$ MeV

${{\mathit \Upsilon}{(10860)}}$ WIDTH

${{\mathit \Upsilon}{(10860)}}$ DECAY MODES ▸ Expand all decays

${{\mathit B}}{{\overline{\mathit B}}}{{\mathit X}}$

$(76.2^{+2.7}_{-4.0})\%$

${{\mathit B}}{{\overline{\mathit B}}}$

$(5.5\pm{1.0})\%$

${{\mathit B}}{{\overline{\mathit B}}^{*}}{+}$ c.c.

$(13.7\pm{1.6})\%$

${{\mathit B}^{*}}{{\overline{\mathit B}}^{*}}$

$(38.1\pm{3.4})\%$

${{\mathit B}}{{\overline{\mathit B}}^{{(*)}}}{{\mathit \pi}}$

${{\mathit B}}{{\overline{\mathit B}}}{{\mathit \pi}}$

$(0.0\pm{1.2})\%$

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

$(7.3\pm{2.3})\%$

${{\mathit B}^{*}}{{\overline{\mathit B}}^{*}}{{\mathit \pi}}$

$(1.0\pm{1.4})\%$

${{\mathit B}}{{\overline{\mathit B}}}{{\mathit \pi}}{{\mathit \pi}}$

${{\mathit B}_{{{s}}}^{(*)}}{{\overline{\mathit B}}_{{{s}}}^{(*)}}$

$(20.1\pm{3.1})\%$

${{\mathit B}_{{{s}}}}{{\overline{\mathit B}}_{{{s}}}}$

$(5\pm{5})\times 10^{-3}$

${{\mathit B}_{{{s}}}}{{\overline{\mathit B}}_{{{s}}}^{*}}{+}$ c.c.

$(1.35\pm{0.32})\%$

${{\mathit B}_{{{s}}}^{*}}{{\overline{\mathit B}}_{{{s}}}^{*}}$

$(17.6\pm{2.7})\%$

$(3.8^{+5.0}_{-0.5})\%$

${{\mathit e}^{+}}{{\mathit e}^{-}}$

$(8.3\pm{2.1})\times 10^{-6}$

${{\mathit K}^{*}{(892)}^{0}}{{\overline{\mathit K}}^{0}}$

$<1.0\times 10^{-5}$

${{\mathit \Upsilon}{(1S)}}{{\mathit \pi}^{+}}{{\mathit \pi}^{-}}$

$(5.3\pm{0.6})\times 10^{-3}$

${{\mathit \Upsilon}{(1S)}}{{\mathit \eta}}$

$(8.5\pm{1.7})\times 10^{-4}$

${{\mathit \Upsilon}{(1S)}}{{\mathit \eta}^{\,'}}$

$<6.9\times 10^{-5}$

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

$(7.8\pm{1.3})\times 10^{-3}$

${{\mathit \Upsilon}{(2S)}}{{\mathit \eta}}$

$(4.1\pm{0.6})\times 10^{-3}$

${{\mathit \Upsilon}{(3S)}}{{\mathit \pi}^{+}}{{\mathit \pi}^{-}}$

$(4.8^{+1.9}_{-1.7})\times 10^{-3}$

${{\mathit \Upsilon}{(1S)}}{{\mathit K}^{+}}{{\mathit K}^{-}}$

$(6.1\pm{1.8})\times 10^{-4}$

${{\mathit \eta}}{{\mathit \Upsilon}_{{{J}}}{(1D)}}$

$(4.8\pm{1.1})\times 10^{-3}$

${{\mathit h}_{{{b}}}{(1P)}}{{\mathit \pi}^{+}}{{\mathit \pi}^{-}}$

$(3.5^{+1.0}_{-1.3})\times 10^{-3}$

${{\mathit h}_{{{b}}}{(2P)}}{{\mathit \pi}^{+}}{{\mathit \pi}^{-}}$

$(5.7^{+1.7}_{-2.1})\times 10^{-3}$

${{\mathit \chi}_{{{bJ}}}{(1P)}}{{\mathit \pi}^{+}}{{\mathit \pi}^{-}}{{\mathit \pi}^{0}}$

$(2.5\pm{2.3})\times 10^{-3}$

${{\mathit \chi}_{{{b0}}}{(1P)}}{{\mathit \pi}^{+}}{{\mathit \pi}^{-}}{{\mathit \pi}^{0}}$

$<6.3\times 10^{-3}$

${{\mathit \chi}_{{{b0}}}{(1P)}}{{\mathit \omega}}$

$<3.9\times 10^{-3}$

${{\mathit \chi}_{{{b0}}}{(1P)}}$( ${{\mathit \pi}^{+}}{{\mathit \pi}^{-}}{{\mathit \pi}^{0}}$) $_{{\mathrm {non-}}{{\mathit \omega}}}$

$<4.8\times 10^{-3}$

${{\mathit \chi}_{{{b1}}}{(1P)}}{{\mathit \pi}^{+}}{{\mathit \pi}^{-}}{{\mathit \pi}^{0}}$

$(1.85\pm{0.33})\times 10^{-3}$

${{\mathit \chi}_{{{b1}}}{(1P)}}{{\mathit \omega}}$

$(1.57\pm{0.30})\times 10^{-3}$

${{\mathit \chi}_{{{b1}}}{(1P)}}$( ${{\mathit \pi}^{+}}{{\mathit \pi}^{-}}{{\mathit \pi}^{0}}$) $_{{\mathrm {non-}}{{\mathit \omega}}}$

$(5.2\pm{1.9})\times 10^{-4}$

${{\mathit \chi}_{{{b2}}}{(1P)}}{{\mathit \pi}^{+}}{{\mathit \pi}^{-}}{{\mathit \pi}^{0}}$

$(1.17\pm{0.30})\times 10^{-3}$

${{\mathit \chi}_{{{b2}}}{(1P)}}{{\mathit \omega}}$

$(6.0\pm{2.7})\times 10^{-4}$

${{\mathit \chi}_{{{b2}}}{(1P)}}$( ${{\mathit \pi}^{+}}{{\mathit \pi}^{-}}{{\mathit \pi}^{0}}$) $_{{\mathrm {non-}}{{\mathit \omega}}}$

$(6\pm{4})\times 10^{-4}$

${{\mathit \gamma}}{{\mathit X}_{{{b}}}}$ $\rightarrow$ ${{\mathit \gamma}}{{\mathit \Upsilon}{(1S)}}{{\mathit \omega}}$

$<3.8\times 10^{-5}$

${{\mathit \eta}_{{{b}}}{(1S)}}{{\mathit \omega}}$

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

${{\mathit \eta}_{{{b}}}{(2S)}}{{\mathit \omega}}$

$<5.6\times 10^{-3}$

▸	Inclusive Decays.

FOOTNOTES

Except where otherwise noted, content of the 2024 Review of Particle Physics is licensed under a Creative Commons Attribution 4.0 International (CC BY 4.0) license. The publication of the Review of Particle Physics is supported by US DOE, MEXT (Japan), INFN (Italy) and CERN. Individual collaborators receive support for their PDG activities from their respective institutes or funding agencies. © 2024. See LBNL disclaimers.