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${{\mathit \pi}_{{{1}}}{(1400)}}$ WIDTH

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M111W

VALUE (MeV) EVTS DOCUMENT ID TECN CHG  COMMENT $354$ $\pm64$ $\pm58$ 23.5k ADAMS 2007 B B852 18 ${{\mathit \pi}^{-}}$ ${{\mathit p}}$ $\rightarrow$ ${{\mathit \eta}}{{\mathit \pi}^{0}}{{\mathit n}}$ $378$ $\pm50$ $\pm50$ 90k SALVINI 2004 OBLX ${{\overline{\mathit p}}}$ ${{\mathit p}}$ $\rightarrow$ 2 ${{\mathit \pi}^{+}}$2 ${{\mathit \pi}^{-}}$ $220$ $\pm90$ ABELE 1999 CBAR $0.0$ ${{\overline{\mathit p}}}$ ${{\mathit p}}$ $\rightarrow$ ${{\mathit \pi}^{0}}{{\mathit \pi}^{0}}{{\mathit \eta}}$ $310$ $\pm50$ ${}^{+50}_{-30}$ ABELE 1998 B CBAR 0.0 ${{\overline{\mathit p}}}$ ${{\mathit n}}$ $\rightarrow$ ${{\mathit \pi}^{-}}{{\mathit \pi}^{0}}{{\mathit \eta}}$ $385$ $\pm40$ ${}^{+65}_{-105}$ 1 THOMPSON 1997 MPS 18 ${{\mathit \pi}^{-}}$ ${{\mathit p}}$ $\rightarrow$ ${{\mathit \eta}}{{\mathit \pi}^{-}}{{\mathit p}}$ • • We do not use the following data for averages, fits, limits, etc. • • $143.2$ $\pm12.5$ 2 AOYAGI 1993 BKEI ${{\mathit \pi}^{-}}$ ${{\mathit p}}$ $\rightarrow$ ${{\mathit \eta}}{{\mathit \pi}^{-}}{{\mathit p}}$ $180$ $\pm20$ 3 ALDE 1988 B GAM4 0 100 ${{\mathit \pi}^{-}}$ ${{\mathit p}}$ $\rightarrow$ ${{\mathit \eta}}{{\mathit \pi}^{0}}{{\mathit n}}$ 1  Resolution is not unfolded, natural parity exchange, questioned by DZIERBA 2003. 2  Unnatural parity exchange. 3  Seen in the ${\mathit P}_{\mathrm 0}{\mathrm -wave}$ intensity of the ${{\mathit \eta}}{{\mathit \pi}^{0}}$ system, unnatural parity exchange.

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