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${\mathit {\mathit b}}{\mathit {\overline{\mathit b}}}$ MESONS
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${{\mathit \chi}_{{b0}}{(1P)}}$
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${\mathit m}_{{{\mathit \chi}_{{b1}}{(1P)}}}–{\mathit m}_{{{\mathit \chi}_{{b0}}{(1P)}}}$
${\boldsymbol m}_{{{\boldsymbol \chi}_{{b1}}{(1P)}}}–{\boldsymbol m}_{{{\boldsymbol \chi}_{{b0}}{(1P)}}}$
INSPIRE search
VALUE
(MeV)
DOCUMENT ID
TECN
COMMENT
$32.49$ $\pm0.93$
LEES
2014
M
BABR
${{\mathit \Upsilon}{(2S)}}$ $\rightarrow$ ${{\mathit \gamma}}{{\mathit \gamma}}{{\mathit \mu}^{+}}{{\mathit \mu}^{-}}$
References:
LEES
2014M
PR D90 112010
Bottomonium Spectroscopy and Radiative Transitions Involving the ${{\mathit \chi}_{{bJ}}{(1P,2P)}}$ States at BABAR
