pdgLive Home   >   LIGHT UNFLAVORED MESONS ($\mathit S$ = $\mathit C$ = $\mathit B$ = 0)   >   ${{\mathit \eta}_{{2}}{(1645)}}$   >   ${{\mathit \eta}_{{2}}{(1645)}}$ MASS

${{\mathit \eta}_{{2}}{(1645)}}$ MASS

INSPIRE   PDGID:

M154M

VALUE (MeV) DOCUMENT ID TECN CHG  COMMENT $\bf{ 1617 \pm5}$ OUR AVERAGE $1613$ $\pm8$ BARBERIS 2000 B 450 ${{\mathit p}}$ ${{\mathit p}}$ $\rightarrow$ ${{\mathit p}_{{f}}}{{\mathit \eta}}{{\mathit \pi}^{+}}{{\mathit \pi}^{-}}{{\mathit p}_{{s}}}$ $1617$ $\pm8$ BARBERIS 2000 C 450 ${{\mathit p}}$ ${{\mathit p}}$ $\rightarrow$ ${{\mathit p}_{{f}}}$4 ${{\mathit \pi}}{{\mathit p}_{{s}}}$ $1620$ $\pm20$ BARBERIS 1997 B OMEG 450 ${{\mathit p}}$ ${{\mathit p}}$ $\rightarrow$ ${{\mathit p}}{{\mathit p}}$2( ${{\mathit \pi}^{+}}{{\mathit \pi}^{-}}$) $1645$ $\pm14$ $\pm15$ ADOMEIT 1996 CBAR 0 1.94 ${{\overline{\mathit p}}}$ ${{\mathit p}}$ $\rightarrow$ ${{\mathit \eta}}$3 ${{\mathit \pi}^{0}}$ • • We do not use the following data for averages, fits, limits, etc. • • $1645$ $\pm6$ $\pm20$ ANISOVICH 2000 E SPEC $0.9 - 1.94$ ${{\overline{\mathit p}}}$ ${{\mathit p}}$ $\rightarrow$ ${{\mathit \eta}}$3 ${{\mathit \pi}^{0}}$

References:

ANISOVICH 2000E PL B477 19 Three $\mathit I = 0$ $\mathit J{}^{PC} = 2-+$ Mesons BARBERIS 2000B PL B471 435 A Study of the ${{\mathit \eta}}{{\mathit \pi}^{+}}{{\mathit \pi}^{-}}$ Channel Produced in Central ${{\mathit p}}{{\mathit p}}$ Interactions at 450 ${\mathrm {GeV/}}\mathit c$ BARBERIS 2000C PL B471 440 A Spin Analysis of the 4${{\mathit \pi}}$ Channels Produced in Central ${{\mathit p}}{{\mathit p}}$ Interactions at 450 ${\mathrm {GeV/}}\mathit c$ BARBERIS 1997B PL B413 217 A Study of the Centrally Produced ${{\mathit \pi}^{+}}{{\mathit \pi}^{-}}{{\mathit \pi}^{+}}{{\mathit \pi}^{-}}$ Channel in ${{\mathit p}}{{\mathit p}}$ Interactions at 450 ${\mathrm {GeV/}}\mathit c$ ADOMEIT 1996 ZPHY C71 227 Evidence for Two Isospin Zero $\mathit J{}^{PC} = 2{}^{-+}$ Mesons at 1645 and 1875 MeV