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${\mathit {\mathit b}}{\mathit {\overline{\mathit b}}}$ MESONS
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${{\mathit \chi}_{{b1}}{(3P)}}$
${\boldsymbol {\boldsymbol b}}$ ${\boldsymbol {\overline{\boldsymbol b}}}$ MESONS
(including possibly non- ${\boldsymbol {\boldsymbol q}}$ ${\boldsymbol {\overline{\boldsymbol q}}}$ states)
INSPIRE search
${{\boldsymbol \chi}_{{b1}}{(3P)}}$
$I^G(J^{PC})$ = $0^+(1^{+ +})$
Needs confirmation. Observed in the radiative decay to ${{\mathit \Upsilon}{(1S,2S,3S)}}$, therefore ${}^{C} = +$. $\mathit J$ needs confirmation.
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${{\mathit \chi}_{{b1}}{(3P)}}$ MASS
$10513.4 \pm0.7$ MeV
Decay Modes
Mode
Fraction ($\Gamma_i$ / $\Gamma$)
Scale Factor/
Conf. Level
P (MeV/c)
$\Gamma_{1}$
${{\mathit \Upsilon}{(1S)}}{{\mathit \gamma}}$
seen
1000
$\Gamma_{2}$
${{\mathit \Upsilon}{(2S)}}{{\mathit \gamma}}$
seen
479
$\Gamma_{3}$
${{\mathit \Upsilon}{(3S)}}{{\mathit \gamma}}$
seen
157