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${{\mathit \chi}_{{{b0}}}{(1P)}}$
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[B( ${{\mathit \chi}_{{{b0}}}{(1P)}}$ $\rightarrow$ ${{\mathit \gamma}}{{\mathit \Upsilon}{(1S)}}$) ${\times }$ B( ${{\mathit \Upsilon}{(2S)}}$ $\rightarrow$ ${{\mathit \gamma}}{{\mathit \chi}_{{{b0}}}{(1P)}}$)] $/$ [B( ${{\mathit \chi}_{{{b1}}}{(1P)}}$ $\rightarrow$ ${{\mathit \gamma}}{{\mathit \Upsilon}{(1S)}}$) ${\times }$ B( ${{\mathit \Upsilon}{(2S)}}$ $\rightarrow$ ${{\mathit \gamma}}{{\mathit \chi}_{{{b1}}}{(1P)}}$)]
2026 Review of Particle Physics. TBDet al. (Particle Data Group), TBD
${{\mathit \chi}_{{{b0}}}{(1P)}}$ CROSS-PARTICLE BRANCHING RATIOS
[B( ${{\mathit \chi}_{{{b0}}}{(1P)}}$ $\rightarrow$ ${{\mathit \gamma}}{{\mathit \Upsilon}{(1S)}}$) ${\times }$ B( ${{\mathit \Upsilon}{(2S)}}$ $\rightarrow$ ${{\mathit \gamma}}{{\mathit \chi}_{{{b0}}}{(1P)}}$)] $/$ [B( ${{\mathit \chi}_{{{b1}}}{(1P)}}$ $\rightarrow$ ${{\mathit \gamma}}{{\mathit \Upsilon}{(1S)}}$) ${\times }$ B( ${{\mathit \Upsilon}{(2S)}}$ $\rightarrow$ ${{\mathit \gamma}}{{\mathit \chi}_{{{b1}}}{(1P)}}$)]
INSPIRE search
M076A01
$3.28$ $\pm0.37$
1
BABR
1
References:
PR D90 112010
Bottomonium Spectroscopy and Radiative Transitions Involving the ${{\mathit \chi}_{{{bJ}}}{(1P,2P)}}$ States at BABAR
