pdgLive Home   >   LIGHT UNFLAVORED MESONS ($\mathit S$ = $\mathit C$ = $\mathit B$ = 0)   >   ${{\mathit \rho}_{{3}}{(1690)}}$   >   (4${{\mathit \pi}}){}^{+-}$ MODE

${{\mathit \rho}_{{3}}{(1690)}}$ MASS

(4${{\mathit \pi}}){}^{+-}$ MODE

INSPIRE   PDGID:

M015M3

VALUE (MeV) EVTS DOCUMENT ID TECN CHG  COMMENT $\bf{ 1686 \pm5}$ OUR AVERAGE  Error includes scale factor of 1.1. $1694$ $\pm6$ 1 EVANGELISTA 1981 OMEG - 12 ${{\mathit \pi}^{-}}$ ${{\mathit p}}$ $\rightarrow$ ${{\mathit p}}$4 ${{\mathit \pi}}$ $1665$ $\pm15$ 177 BALTAY 1978 B HBC + 15 ${{\mathit \pi}^{+}}$ ${{\mathit p}}$ $\rightarrow$ ${{\mathit p}}$4 ${{\mathit \pi}}$ $1670$ $\pm10$ THOMPSON 1974 HBC + 13 ${{\mathit \pi}^{+}}{{\mathit p}}$ $1687$ $\pm20$ CASON 1973 HBC - 8,18.5 ${{\mathit \pi}^{-}}{{\mathit p}}$ $1685$ $\pm14$ 2 CASON 1973 HBC - 8,18.5 ${{\mathit \pi}^{-}}{{\mathit p}}$ $1680$ $\pm40$ 144 BARTSCH 1970 B HBC + 8 ${{\mathit \pi}^{+}}$ ${{\mathit p}}$ $\rightarrow$ ${{\mathit N}}$4 ${{\mathit \pi}}$ $1689$ $\pm20$ 102 2 BARTSCH 1970 B HBC + 8 ${{\mathit \pi}^{+}}$ ${{\mathit p}}$ $\rightarrow$ ${{\mathit N}}$2 ${{\mathit \rho}}$ $1705$ $\pm21$ CASO 1970 HBC - 11.2 ${{\mathit \pi}^{-}}$ ${{\mathit p}}$ $\rightarrow$ ${{\mathit n}}{{\mathit \rho}}$2 ${{\mathit \pi}}$ • • We do not use the following data for averages, fits, limits, etc. • • $1718$ $\pm10$ 3 EVANGELISTA 1981 OMEG - 12 ${{\mathit \pi}^{-}}$ ${{\mathit p}}$ $\rightarrow$ ${{\mathit p}}$4 ${{\mathit \pi}}$ $1673$ $\pm9$ 4 EVANGELISTA 1981 OMEG - 12 ${{\mathit \pi}^{-}}$ ${{\mathit p}}$ $\rightarrow$ ${{\mathit p}}$4 ${{\mathit \pi}}$ $1733$ $\pm9$ 66 2 KLIGER 1974 HBC - 4.5 ${{\mathit \pi}^{-}}$ ${{\mathit p}}$ $\rightarrow$ ${{\mathit p}}$4 ${{\mathit \pi}}$ $1630$ $\pm15$ HOLMES 1972 HBC + 10$-$12 ${{\mathit K}^{+}}{{\mathit p}}$ $1720$ $\pm15$ BALTAY 1968 HBC + 7, 8.5 ${{\mathit \pi}^{+}}{{\mathit p}}$ 1  From ${{\mathit \rho}^{-}}{{\mathit \rho}^{0}}$ mode, not independent of the other two EVANGELISTA 1981 entries. 2  From ${{\mathit \rho}^{\pm}}{{\mathit \rho}^{0}}$ mode. 3  From ${{\mathit a}_{{2}}{(1320)}^{-}}{{\mathit \pi}^{0}}$ mode, not independent of the other two EVANGELISTA 1981 entries. 4  From ${{\mathit a}_{{2}}{(1320)}^{0}}{{\mathit \pi}^{-}}$ mode, not independent of the other two EVANGELISTA 1981 entries.

References:

EVANGELISTA 1981 NP B178 197 Results from a ${{\mathit \pi}^{-}}{{\mathit p}}$ Slow Proton Trigger Experiment at 12 ${\mathrm {GeV/}}\mathit c$ Also NP B186 594 Results from a ${{\mathit \pi}^{-}}{{\mathit p}}$ Slow Proton Trigger Experiment at 12 ${\mathrm {GeV/}}\mathit c$ BALTAY 1978B PR D17 62 Meson Resonance Production in ${{\mathit \pi}^{+}}{{\mathit p}}$ Interactions at 15 ${\mathrm {GeV/}}\mathit c$ KLIGER 1974 SJNP 19 428 Study of 4${{\mathit \pi}}$ System in the ${{\mathit \rho}^{\,'}{(1710)}}$ Meson Mass Region in the Reaction ${{\mathit \pi}^{-}}$ ${{\mathit p}}$ $\rightarrow$ ${{\mathit p}}{{\mathit \pi}^{+}}{{\mathit \pi}^{-}}{{\mathit \pi}^{-}}{{\mathit \pi}^{0}}$ at 4.5 ${\mathrm {GeV/}}\mathit c$ Momentum THOMPSON 1974 NP B69 220 Study of the ${{\mathit R}}$ Meson Produced in 13 ${\mathrm {GeV/}}\mathit c$ ${{\mathit \pi}^{+}}{{\mathit p}}$ Interactions CASON 1973 PR D7 1971 Study of the ${{\mathit \rho}{(1710)}}$ at 8.0 and 18.5 ${\mathrm {GeV/}}\mathit c$ HOLMES 1972 PR D6 3336 Investigation of ${{\mathit g}}$ Meson Mass Region Utilizing High Energy ${{\mathit K}^{+}}{{\mathit p}}$ Collisions BARTSCH 1970B NP B22 109 The ${{\mathit g}}$-meson CASO 1970 LNC 3 707 Evidence for the Existence of the ${{\mathit a}_{{1}}{(1260)}}$ and some other Structures Observed in ${{\mathit \pi}^{-}}{{\mathit p}}$ Collisions at 11.2 ${\mathrm {GeV/}}\mathit c$ BALTAY 1968 PRL 20 887 Observation of Multipion Resonances at 1630 and 1720 MeV in High Energy ${{\mathit \pi}^{+}}{{\mathit p}}$ Collisions

Except where otherwise noted, content of the 2023 Review of Particle Physics is licensed under a Creative Commons Attribution-NonCommercial 4.0 International (CC BY-NC 4.0) license. The publication of the Review of Particle Physics is supported by US DOE, MEXT (Japan), INFN (Italy), JPS and CERN. Individual collaborators receive support for their PDG activities from their respective institutes or funding agencies. © 2023. See LBNL disclaimers.