▸ Expand all sections
▾ Collapse all sections
|
${{\mathit \eta}_{{b}}{(1S)}}$ MASS
|
$9398.7 \pm2.0$ MeV (S = 1.5)
|
|
${\mathit m}_{{{\mathit \Upsilon}{(1S)}}}{\mathit m}_{{{\mathit \eta}_{{b}}}}$
|
$62.3 \pm3.2$ MeV (S = 1.8)
|
|
${{\mathit \gamma}}$ ENERGY IN ${{\mathit \Upsilon}{(3S)}}$ DECAY
|
$920.6 {}^{+2.8}_{-3.2}$ MeV
|
|
${{\mathit \gamma}}$ ENERGY IN ${{\mathit \Upsilon}{(2S)}}$ DECAY
|
$609 \pm5$ MeV
|
|
${{\mathit \eta}_{{b}}{(1S)}}$ WIDTH
|
$10 {}^{+5}_{-4}$ MeV
|
|
|
Mode |
Fraction ($\Gamma_i$ / $\Gamma$) |
Scale Factor/ Conf. Level |
P (MeV/c) |
$\Gamma_{1}$ | hadrons | |
seen
| | |
| $\Gamma_{2}$ | 3 ${{\mathit h}^{+}}$3 ${{\mathit h}^{-}}$ | |
not seen
| | 4672 |
| $\Gamma_{3}$ | 2 ${{\mathit h}^{+}}$2 ${{\mathit h}^{-}}$ | |
not seen
| | 4689 |
| $\Gamma_{4}$ | 4 ${{\mathit h}^{+}}$4 ${{\mathit h}^{-}}$ | |
not seen
| | 4648 |
| $\Gamma_{5}$ | ${{\mathit \gamma}}{{\mathit \gamma}}$ | |
not seen
| | 4699 |
| $\Gamma_{6}$ | ${{\mathit \mu}^{+}}{{\mathit \mu}^{-}}$ | |
$<9\times 10^{-3}$
| CL=90% | 4698 |
| $\Gamma_{7}$ | ${{\mathit \tau}^{+}}{{\mathit \tau}^{-}}$ | |
$<8\%$
| CL=90% | 4350 |
|
|