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${{\mathit \rho}{(770)}}$ WIDTH

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CHARGED ONLY, HADROPRODUCED

INSPIRE   PDGID:

M009W2

VALUE (MeV) EVTS DOCUMENT ID TECN CHG  COMMENT $\bf{ 150.2 \pm2.4}$ OUR FIT $\bf{ 150.2 \pm2.4}$ OUR AVERAGE $152.8$ $\pm4.3$ ABELE 1997 CBAR ${{\overline{\mathit p}}}$ ${{\mathit n}}$ $\rightarrow$ ${{\mathit \pi}^{-}}{{\mathit \pi}^{0}}{{\mathit \pi}^{0}}$ $155$ $\pm11$ 2.9k 1 CAPRARO 1987 SPEC - 200 ${{\mathit \pi}^{-}}$ ${}^{}\mathrm {Cu}$ $\rightarrow$ ${{\mathit \pi}^{-}}{{\mathit \pi}^{0}}{}^{}\mathrm {Cu}$ $154$ $\pm20$ 967 1 CAPRARO 1987 SPEC - 200 ${{\mathit \pi}^{-}}$ ${}^{}\mathrm {Pb}$ $\rightarrow$ ${{\mathit \pi}^{-}}{{\mathit \pi}^{0}}{}^{}\mathrm {Pb}$ $150$ $\pm5$ HUSTON 1986 SPEC + 202 ${{\mathit \pi}^{+}}$ ${}^{}\mathrm {A}$ $\rightarrow$ ${{\mathit \pi}^{+}}{{\mathit \pi}^{0}}{}^{}\mathrm {A}$ $146$ $\pm12$ 6.5k 2 BYERLY 1973 OSPK - 5 ${{\mathit \pi}^{-}}{{\mathit p}}$ $148.2$ $\pm4.1$ 9.6k 3 PISUT 1968 RVUE - 1.7$-$3.2 ${{\mathit \pi}^{-}}{{\mathit p}}$ , $\mathit t$ $<$10 $146$ $\pm13$ 900 EISNER 1967 HBC - 4.2 ${{\mathit \pi}^{-}}{{\mathit p}}$ , $\mathit t$ $<$10 • • We do not use the following data for averages, fits, limits, etc. • • $137.0$ $\pm0.4$ 4 ABLIKIM 2017 BES3 ${{\mathit J / \psi}}$ $\rightarrow$ ${{\mathit \gamma}}$3 ${{\mathit \pi}}$ 1  Width errors enlarged by us to 4${}\Gamma /\sqrt {\mathit N }$; see the note with the ${{\mathit K}^{*}{(892)}}$ mass. 2  Phase shift analysis. Systematic errors added corresponding to spread of different fits. 3  From fit of 3-parameter relativistic ${\mathit P}{\mathrm -wave}$ Breit-Wigner to total mass distribution. Includes BATON 1968 , MILLER 1967B, ALFF-STEINBERGER 1966 , HAGOPIAN 1966 , HAGOPIAN 1966B, JACOBS 1966B, JAMES 1966 , WEST 1966 , BLIEDEN 1965 and CARMONY 1964 . 4  S-matrix pole at a fixed ${{\mathit \rho}}$ meson mass of 775.49 MeV.

References:

ABLIKIM 2017 PRL 118 012001 Amplitude Analysis of the Decays ${{\mathit \eta}^{\,'}}$ $\rightarrow$ ${{\mathit \pi}^{+}}{{\mathit \pi}^{-}}{{\mathit \pi}^{0}}$ and ${{\mathit \eta}^{\,'}}$ $\rightarrow$ ${{\mathit \pi}^{0}}{{\mathit \pi}^{0}}{{\mathit \pi}^{0}}$ ABELE 1997 PL B391 191 High Mass ${{\mathit \rho}}$ Meson States from ${{\overline{\mathit p}}}{{\mathit d}}$ Annihilation at Rest into ${{\mathit \pi}^{-}}{{\mathit \pi}^{0}}{{\mathit \pi}^{0}}{{\mathit p}}_{spect.}$ CAPRARO 1987 NP B288 659 The ${{\mathit \rho}{(770)}}$ Radiative Decay Width: A Measurement at 200 GeV HUSTON 1986 PR D33 3199 Measurement of the Resonance Parameters and Radiative Width of the ${{\mathit \rho}{(770)}^{+}}$ BYERLY 1973 PR D7 637 ${{\mathit \rho}{(770)}^{-}}$ Production and Decay in the Reaction ${{\mathit \pi}^{-}}$ ${{\mathit p}}$ $\rightarrow$ ${{\mathit \pi}^{-}}{{\mathit \pi}^{0}}{{\mathit p}}$ at 5 ${\mathrm {GeV/}}\mathit c$ PISUT 1968 NP B6 325 ${{\mathit \rho}}$ Meson Shape EISNER 1967 PR 164 1699 ${{\mathit \pi}^{-}}{{\mathit p}}$ Two Prong Interactions at 4.16 ${\mathrm {GeV/}}\mathit c$

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