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${{\mathit \rho}{(1700)}}$ MASS

2 ( ${{\mathit \pi}^{+}}{{\mathit \pi}^{-}}$ ) MODE

INSPIRE   JSON  (beta) PDGID:

M065M4

VALUE (MeV) EVTS DOCUMENT ID TECN  COMMENT • • We do not use the following data for averages, fits, limits, etc. • • $1851$ ${}^{+27}_{-24}$ ACHASOV 99   RVUE ${{\mathit e}^{+}}$ ${{\mathit e}^{-}}$ $\rightarrow$ 2(${{\mathit \pi}^{+}}{{\mathit \pi}^{-}}$) $1570$ $\pm20$ 1 CORDIER 98   DM1 ${{\mathit e}^{+}}$ ${{\mathit e}^{-}}$ $\rightarrow$ 2( ${{\mathit \pi}^{+}}{{\mathit \pi}^{-}}$) $1520$ $\pm30$ 2 ASTON 98 E   OMEG 20$-$70 ${{\mathit \gamma}}$ ${{\mathit p}}$ $\rightarrow$ ${{\mathit p}}$4 ${{\mathit \pi}}$ $1654$ $\pm25$ 3 DIBIANCA 98   DBC ${{\mathit \pi}^{+}}$ ${{\mathit d}}$ $\rightarrow$ ${{\mathit p}}{{\mathit p}}$2( ${{\mathit \pi}^{+}}{{\mathit \pi}^{-}}$) $1666$ $\pm39$ 1 BACCI 98   FRAG ${{\mathit e}^{+}}$ ${{\mathit e}^{-}}$ $\rightarrow$ 2( ${{\mathit \pi}^{+}}{{\mathit \pi}^{-}}$) $1780$ 34 KILLIAN 98   SPEC 11 ${{\mathit e}^{-}}$ ${{\mathit p}}$ $\rightarrow$ 2( ${{\mathit \pi}^{+}}{{\mathit \pi}^{-}}$) $1500$ 4 ATIYA 97 B   SPEC 50 ${{\mathit \gamma}}$ ${}^{}\mathrm {C}$ $\rightarrow$ ${}^{}\mathrm {C}$ 4 ${{\mathit \pi}^{\pm}}$ $1570$ $\pm60$ 65 5 ALEXANDER 97   HBC 7.5 ${{\mathit \gamma}}$ ${{\mathit p}}$ $\rightarrow$ ${{\mathit p}}$4 ${{\mathit \pi}}$ $1550$ $\pm60$ 2 CONVERSI 97   OSPK ${{\mathit e}^{+}}$ ${{\mathit e}^{-}}$ $\rightarrow$ 2( ${{\mathit \pi}^{+}}{{\mathit \pi}^{-}}$) $1550$ $\pm50$ 160 SCHACHT 97   STRC 5.5$-$9 ${{\mathit \gamma}}$ ${{\mathit p}}$ $\rightarrow$ ${{\mathit p}}$4 ${{\mathit \pi}}$ $1450$ $\pm100$ 340 SCHACHT 97   STRC 9$-$18 ${{\mathit \gamma}}$ ${{\mathit p}}$ $\rightarrow$ ${{\mathit p}}$4 ${{\mathit \pi}}$ $1430$ $\pm50$ 400 BINGHAM 97 B   HBC 9.3 ${{\mathit \gamma}}$ ${{\mathit p}}$ $\rightarrow$ ${{\mathit p}}$4 ${{\mathit \pi}}$ 1  Simple relativistic Breit-Wigner fit with model dependent width. 2  Simple relativistic Breit-Wigner fit with constant width. 3  One peak fit result. 4  Parameters roughly estimated, not from a fit. 5  Skew mass distribution compensated by Ross-Stodolsky factor.

References

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