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${{\mathit \pi}_{{2}}{(2100)}}$ MASS

INSPIRE   PDGID:

M020M

VALUE (MeV) DOCUMENT ID TECN  COMMENT $\bf{ 2090 \pm29}$ OUR AVERAGE $2090$ $\pm30$ 1 AMELIN 1995 B VES 36 ${{\mathit \pi}^{-}}$ ${{\mathit A}}$ $\rightarrow$ ${{\mathit \pi}^{+}}{{\mathit \pi}^{-}}{{\mathit \pi}^{-}}{{\mathit A}}$ $2100$ $\pm150$ 2 DAUM 1981 B CNTR 63,94 ${{\mathit \pi}^{-}}$ ${{\mathit p}}$ $\rightarrow$ 3 ${{\mathit \pi}}$ X 1  From a fit to $\mathit J{}^{PC} = 2{}^{-+}$ ${{\mathit f}_{{2}}{(1270)}}{{\mathit \pi}}$ , ( ${{\mathit \pi}}{{\mathit \pi}}$ )$_{\mathit s}{{\mathit \pi}}$ waves. 2  From a two-resonance fit to four 2${}^{–}0{}^{+}$ waves.

References:

AMELIN 1995B PL B356 595 Study of Resonance Production in Diffractive Reaction ${{\mathit \pi}^{-}}$ ${{\mathit A}}$ $\rightarrow$ ${{\mathit \pi}^{+}}{{\mathit \pi}^{-}}{{\mathit \pi}^{-}}{{\mathit A}}$ DAUM 1981B NP B182 269 Diffractive Production of 3${{\mathit \pi}}$ States at 63 and 94 GeV