# ${{\boldsymbol \pi}_{{2}}{(1880)}}$ WIDTH INSPIRE search

VALUE (MeV) EVTS DOCUMENT ID TECN CHG  COMMENT
$\bf{ 237 {}^{+33}_{-30}}$ OUR AVERAGE  Error includes scale factor of 1.2.
$246$ ${}^{+33}_{-28}$ 46M 1
 2018 B
COMP 190 ${{\mathit \pi}^{-}}$ ${{\mathit p}}$ $\rightarrow$ ${{\mathit \pi}^{-}}{{\mathit \pi}^{+}}{{\mathit \pi}^{-}}{{\mathit p}}$
$323$ $\pm87$ $\pm43$ 4k
 2008
B852 - 18 ${{\mathit \pi}^{-}}$ ${{\mathit p}}$ $\rightarrow$ ${{\mathit \eta}}{{\mathit \eta}}{{\mathit \pi}^{-}}{{\mathit p}}$
$146$ $\pm17$ $\pm62$ 145k
 2005
B852 - 18 ${{\mathit \pi}^{-}}$ ${{\mathit p}}$ $\rightarrow$ ${{\mathit \omega}}{{\mathit \pi}^{-}}{{\mathit \pi}^{0}}{{\mathit p}}$
$306$ $\pm132$ $\pm121$ 69k
 2004
B852 - 18 ${{\mathit \pi}^{-}}$ ${{\mathit p}}$ $\rightarrow$ ${{\mathit \eta}}{{\mathit \pi}^{+}}{{\mathit \pi}^{-}}{{\mathit \pi}^{-}}{{\mathit p}}$
• • • We do not use the following data for averages, fits, limits, etc. • • •
$255$ $\pm45$
 2001 B
SPEC 0 $0.6 - 1.94$ ${{\overline{\mathit p}}}$ ${{\mathit p}}$ $\rightarrow$ ${{\mathit \eta}}{{\mathit \eta}}{{\mathit \pi}^{0}}{{\mathit \pi}^{0}}$
1  Statistical error negligible.
References:
 AGHASYAN 2018B
PR D98 092003 Light isovector resonances in $\pi^- p \to \pi^-\pi^-\pi^+ p$ at 190 GeV/${\it c}$
 EUGENIO 2008
PL B660 466 Observation of the ${{\mathit \pi}{(1800)}}$ and ${{\mathit \pi}_{{2}}{(1880)}}$ Mesons in ${{\mathit \eta}}{{\mathit \eta}}{{\mathit \pi}^{-}}$ Decay
 LU 2005
PRL 94 032002 Exotic Meson Decay to ${{\mathit \omega}}{{\mathit \pi}^{0}}{{\mathit \pi}^{-}}$
 KUHN 2004
PL B595 109 Exotic Meson Production in the ${{\mathit f}_{{1}}{(1285)}}{{\mathit \pi}^{-}}$ System Observed in the Reaction ${{\mathit \pi}^{-}}$ ${{\mathit p}}$ $\rightarrow$ ${{\mathit \eta}}{{\mathit \pi}^{+}}{{\mathit \pi}^{-}}{{\mathit \pi}^{-}}{{\mathit p}}$ at 18 GeV/$\mathit c$
 ANISOVICH 2001B
PL B500 222 Study of ${{\overline{\mathit p}}}$ ${{\mathit p}}$ $\rightarrow$ ${{\mathit \eta}}{{\mathit \eta}}{{\mathit \pi}^{0}}{{\mathit \pi}^{0}}$ in Flight