▸ Expand all sections
▾ Collapse all sections
${{\mathit \chi}_{{b1}}{(2P)}}$ MASS
$10255.46 \pm0.22 \pm0.50$ MeV
${\mathit m}_{{{\mathit \chi}_{{b1}}{(2P)}}}{\mathit m}_{{{\mathit \chi}_{{b0}}{(2P)}}}$
$23.5 \pm1.0$ MeV
${{\mathit \gamma}}$ ENERGY IN ${{\mathit \Upsilon}{(3S)}}$ DECAY
$99.26 \pm0.22$ MeV
B( ${{\mathit \chi}_{{b1}}{(2P)}}$ $\rightarrow$ ${{\mathit \gamma}}{{\mathit \Upsilon}{(1S)}}$ ) ${\times }$ B( ${{\mathit \Upsilon}{(3S)}}$ $\rightarrow$ ${{\mathit \gamma}}{{\mathit \chi}_{{b1}}{(2P)}}$ ) ${\times }$ B( ${{\mathit \Upsilon}{(1S)}}$ $\rightarrow$ ${{\mathit \ell}^{+}}{{\mathit \ell}^{-}}$ )
$(2.9 \pm0.4) \times 10^{-4}$ (S = 1.9)
B( ${{\mathit \chi}_{{b1}}{(2P)}}$ $\rightarrow$ ${{\mathit \gamma}}{{\mathit \Upsilon}{(2S)}}$ ) ${\times }$ B( ${{\mathit \Upsilon}{(3S)}}$ $\rightarrow$ ${{\mathit \gamma}}{{\mathit \chi}_{{b1}}{(2P)}}$ ) ${\times }$ B( ${{\mathit \Upsilon}{(2S)}}$ $\rightarrow$ ${{\mathit \ell}^{+}}{{\mathit \ell}^{-}}$ )
$(3.8 \pm0.6) \times 10^{-4}$ (S = 1.8)
B( ${{\mathit \chi}_{{b1}}{(2P)}}$ $\rightarrow$ ${{\mathit \chi}_{{b1}}{(1P)}}{{\mathit \pi}^{+}}{{\mathit \pi}^{-}}$ ) ${\times }$ B( ${{\mathit \Upsilon}{(3S)}}$ $\rightarrow$ ${{\mathit \chi}_{{b1}}{(2P)}}{{\mathit X}}$ )
$0.00116 \pm0.00014$
B( ${{\mathit \chi}_{{b2}}{(2P)}}$ $\rightarrow$ ${{\mathit p}}{{\mathit X}}{+}$ ${{\overline{\mathit p}}}{{\mathit X}}$ )/B( ${{\mathit \chi}_{{b1}}{(2P)}}$ $\rightarrow$ ${{\mathit p}}{{\mathit X}}{+}$ ${{\overline{\mathit p}}}{{\mathit X}}$ )
$1.11 \pm0.04$
B( ${{\mathit \chi}_{{b0}}{(2P)}}$ $\rightarrow$ ${{\mathit p}}{{\mathit X}}{+}$ ${{\overline{\mathit p}}}{{\mathit X}}$ )/B( ${{\mathit \chi}_{{b1}}{(2P)}}$ $\rightarrow$ ${{\mathit p}}{{\mathit X}}{+}$ ${{\overline{\mathit p}}}{{\mathit X}}$ )
$1.08 \pm0.07$
Mode
Fraction ($\Gamma_i$ / $\Gamma$)
Scale Factor/ Conf. Level
P (MeV/c)
$\Gamma_{1}$ ${{\mathit \omega}}{{\mathit \Upsilon}{(1S)}}$
$(1.63^{+0.40}_{-0.34})\%$
135
$\Gamma_{2}$ ${{\mathit \gamma}}{{\mathit \Upsilon}{(2S)}}$
$(18.1\pm{1.9})\%$
230
$\Gamma_{3}$ ${{\mathit \gamma}}{{\mathit \Upsilon}{(1S)}}$
$(9.9\pm{1.0})\%$
764
$\Gamma_{4}$ ${{\mathit \pi}}{{\mathit \pi}}{{\mathit \chi}_{{b1}}{(1P)}}$
$(9.1\pm{1.3})\times 10^{-3}$
238
$\Gamma_{5}$ ${{\mathit D}^{0}}{{\mathit X}}$
$(8.8\pm{1.7})\%$
$\Gamma_{6}$ ${{\mathit \pi}^{+}}{{\mathit \pi}^{-}}{{\mathit K}^{+}}{{\mathit K}^{-}}{{\mathit \pi}^{0}}$
$(3.1\pm{1.0})\times 10^{-4}$
5075
$\Gamma_{7}$ 2 ${{\mathit \pi}^{+}}{{\mathit \pi}^{-}}{{\mathit K}^{-}}{{\mathit K}_S^0}$
$(1.1\pm{0.5})\times 10^{-4}$
5075
$\Gamma_{8}$ 2 ${{\mathit \pi}^{+}}{{\mathit \pi}^{-}}{{\mathit K}^{-}}{{\mathit K}_S^0}$ 2 ${{\mathit \pi}^{0}}$
$(7.7\pm{3.2})\times 10^{-4}$
5047
$\Gamma_{9}$ 2 ${{\mathit \pi}^{+}}$2 ${{\mathit \pi}^{-}}$2 ${{\mathit \pi}^{0}}$
$(5.9\pm{2.0})\times 10^{-4}$
5104
$\Gamma_{10}$ 2 ${{\mathit \pi}^{+}}$2 ${{\mathit \pi}^{-}}{{\mathit K}^{+}}{{\mathit K}^{-}}$
$(10\pm{4})\times 10^{-5}$
5062
$\Gamma_{11}$ 2 ${{\mathit \pi}^{+}}$2 ${{\mathit \pi}^{-}}{{\mathit K}^{+}}{{\mathit K}^{-}}{{\mathit \pi}^{0}}$
$(5.5\pm{1.8})\times 10^{-4}$
5047
$\Gamma_{12}$ 2 ${{\mathit \pi}^{+}}$2 ${{\mathit \pi}^{-}}{{\mathit K}^{+}}{{\mathit K}^{-}}$2 ${{\mathit \pi}^{0}}$
$(10\pm{4})\times 10^{-4}$
5030
$\Gamma_{13}$ 3 ${{\mathit \pi}^{+}}$2 ${{\mathit \pi}^{-}}{{\mathit K}^{-}}{{\mathit K}_S^0}$ ${{\mathit \pi}^{0}}$
$(6.7\pm{2.6})\times 10^{-4}$
5029
$\Gamma_{14}$ 3 ${{\mathit \pi}^{+}}$3 ${{\mathit \pi}^{-}}$
$(1.2\pm{0.4})\times 10^{-4}$
5103
$\Gamma_{15}$ 3 ${{\mathit \pi}^{+}}$3 ${{\mathit \pi}^{-}}$2 ${{\mathit \pi}^{0}}$
$(1.2\pm{0.4})\times 10^{-3}$
5081
$\Gamma_{16}$ 3 ${{\mathit \pi}^{+}}$3 ${{\mathit \pi}^{-}}{{\mathit K}^{+}}{{\mathit K}^{-}}$
$(2.0\pm{0.8})\times 10^{-4}$
5029
$\Gamma_{17}$ 3 ${{\mathit \pi}^{+}}$3 ${{\mathit \pi}^{-}}{{\mathit K}^{+}}{{\mathit K}^{-}}{{\mathit \pi}^{0}}$
$(6.1\pm{2.2})\times 10^{-4}$
5011
$\Gamma_{18}$ 4 ${{\mathit \pi}^{+}}$4 ${{\mathit \pi}^{-}}$
$(1.7\pm{0.6})\times 10^{-4}$
5080
$\Gamma_{19}$ 4 ${{\mathit \pi}^{+}}$4 ${{\mathit \pi}^{-}}$2 ${{\mathit \pi}^{0}}$
$(1.9\pm{0.7})\times 10^{-3}$
5051