# ${{\boldsymbol \eta}_{{b}}{(1S)}}$ WIDTH INSPIRE search

VALUE (MeV) EVTS DOCUMENT ID TECN  COMMENT
$\bf{ 10 {}^{+5}_{-4}}$ OUR AVERAGE
$8$ ${}^{+6}_{-5}$ $\pm5$ 33.1k 1
 2015
BELL ${{\mathit e}^{+}}$ ${{\mathit e}^{-}}$ $\rightarrow$ ${{\mathit \gamma}}{{\mathit \eta}}$ + hadrons
$10.8$ ${}^{+4.0}_{-3.7}$ ${}^{+4.5}_{-2.0}$ 34k 1
 2012
BELL ${{\mathit e}^{+}}$ ${{\mathit e}^{-}}$ $\rightarrow$ ${{\mathit \gamma}}{{\mathit \pi}^{+}}{{\mathit \pi}^{-}}$ + hadrons
1  With floating mass.
References:
 TAMPONI 2015
PRL 115 142001 First Observation of the Hadronic Transition ${{\mathit \Upsilon}{(4S)}}$ $\rightarrow$ ${{\mathit \eta}}{{\mathit h}_{{b}}{(1P)}}$ and New Measurement of the ${{\mathit h}_{{b}}{(1P)}}$ and ${{\mathit \eta}_{{b}}{(1S)}}$ PParameters
 MIZUK 2012
PRL 109 232002 Evidence for the ${{\mathit \eta}_{{b}}{(2S)}}$ and Observation of ${{\mathit h}_{{b}}{(1P)}}$ $\rightarrow$ ${{\mathit \eta}_{{b}}{(1S)}}{{\mathit \gamma}}$ and ${{\mathit h}_{{b}}{(2P)}}$ $\rightarrow$ ${{\mathit \eta}_{{b}}{(1S)}}{{\mathit \gamma}}$