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

INSPIRE   JSON  (beta) PDGID:
M111M
VALUE (MeV) EVTS DOCUMENT ID TECN CHG  COMMENT
$1257$ $\pm20$ $\pm25$ 23.5k
ADAMS
2007B
 B852 18 ${{\mathit \pi}^{-}}$ ${{\mathit p}}$ $\rightarrow$ ${{\mathit \eta}}{{\mathit \pi}^{0}}{{\mathit n}}$
$1384$ $\pm20$ $\pm35$ 90k
SALVINI
2004
OBLX ${{\overline{\mathit p}}}$ ${{\mathit p}}$ $\rightarrow$ 2 ${{\mathit \pi}^{+}}$2 ${{\mathit \pi}^{-}}$
$1360$ $\pm25$
ABELE
1999
CBAR $0.0$ ${{\overline{\mathit p}}}$ ${{\mathit p}}$ $\rightarrow$ ${{\mathit \pi}^{0}}{{\mathit \pi}^{0}}{{\mathit \eta}}$
$1400$ $\pm20$ $\pm20$
ABELE
1998B
 CBAR 0.0 ${{\overline{\mathit p}}}$ ${{\mathit n}}$ $\rightarrow$ ${{\mathit \pi}^{-}}{{\mathit \pi}^{0}}{{\mathit \eta}}$
$1370$ $\pm16$ ${}^{+50}_{-30}$ 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. • •
$1323.1$ $\pm4.6$ 2
AOYAGI
1993
BKEI ${{\mathit \pi}^{-}}$ ${{\mathit p}}$ $\rightarrow$ ${{\mathit \eta}}{{\mathit \pi}^{-}}{{\mathit p}}$
$1406$ $\pm20$ 3
ALDE
1988B
 GAM4 0 100 ${{\mathit \pi}^{-}}$ ${{\mathit p}}$ $\rightarrow$ ${{\mathit \eta}}{{\mathit \pi}^{0}}{{\mathit n}}$
1  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.
References