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${\mathit m}_{{{\mathit \rho}{(770)}^{0}}}–{\mathit m}_{{{\mathit \rho}{(770)}^{\pm}}}$

INSPIRE   PDGID:

M009D

VALUE (MeV) EVTS DOCUMENT ID TECN CHG  COMMENT $\bf{ -0.7 \pm0.8}$ OUR AVERAGE  Error includes scale factor of 1.5.  See the ideogram below. $-2.4$ $\pm0.8$ 1 SCHAEL 2005 C ALEP ${{\mathit \tau}^{-}}$ $\rightarrow$ ${{\mathit \pi}^{-}}{{\mathit \pi}^{0}}{{\mathit \nu}_{{{\tau}}}}$ $0.4$ $\pm0.7$ $\pm0.6$ 1.98M 2 ALOISIO 2003 KLOE 1.02 ${{\mathit e}^{+}}$ ${{\mathit e}^{-}}$ $\rightarrow$ ${{\mathit \pi}^{+}}{{\mathit \pi}^{-}}{{\mathit \pi}^{0}}$ $1.3$ $\pm1.1$ $\pm2.0$ 500k 2 ACHASOV 2002 SND 1.02 ${{\mathit e}^{+}}$ ${{\mathit e}^{-}}$ $\rightarrow$ ${{\mathit \pi}^{+}}{{\mathit \pi}^{-}}{{\mathit \pi}^{0}}$ $1.6$ $\pm0.6$ $\pm1.7$ 600k ABELE 1999 E CBAR $\pm{}$0 0.0 ${{\overline{\mathit p}}}$ ${{\mathit p}}$ $\rightarrow$ ${{\mathit \pi}^{+}}{{\mathit \pi}^{-}}{{\mathit \pi}^{0}}$ $-4$ $\pm4$ 3000 3 REYNOLDS 1969 HBC -0 2.26 ${{\mathit \pi}^{-}}{{\mathit p}}$ $-5$ $\pm5$ 3600 3 FOSTER 1968 HBC $\pm{}$0 0.0 ${{\overline{\mathit p}}}{{\mathit p}}$ $2.4$ $\pm2.1$ 22950 4 PISUT 1968 RVUE ${{\mathit \pi}}$ ${{\mathit N}}$ $\rightarrow$ ${{\mathit \rho}}{{\mathit N}}$ • • We do not use the following data for averages, fits, limits, etc. • • $-3.37$ $\pm1.06$ 5 BARTOS 2017 A RVUE ${{\mathit e}^{+}}$ ${{\mathit e}^{-}}$ $\rightarrow$ ${{\mathit \pi}^{+}}{{\mathit \pi}^{-}}$, ${{\mathit \tau}^{-}}$ $\rightarrow$ ${{\mathit \pi}^{-}}{{\mathit \pi}^{0}}{{\mathit \nu}_{{{\tau}}}}$ 1  From the combined fit of the ${{\mathit \tau}^{-}}$ data from ANDERSON 2000A and SCHAEL 2005C and ${{\mathit e}^{+}}{{\mathit e}^{-}}$ data from the compilation of BARKOV 1985, AKHMETSHIN 2004, and ALOISIO 2005. Supersedes BARATE 1997M. 2  Assuming ${\mathit m}_{{{\mathit \rho}^{+}}}$ = ${\mathit m}_{{{\mathit \rho}^{-}}}$, $\Gamma _{{{\mathit \rho}^{+}}}$ = $\Gamma _{{{\mathit \rho}^{-}}}$. 3  From quoted masses of charged and neutral modes. 4  Includes MALAMUD 1969, ARMENISE 1968, BATON 1968, BACON 1967, HUWE 1967, MILLER 1967B, ALFF-STEINBERGER 1966, HAGOPIAN 1966, HAGOPIAN 1966B, JACOBS 1966B, JAMES 1966, WEST 1966, BLIEDEN 1965, CARMONY 1964, GOLDHABER 1964, ABOLINS 1963. 5  Applies the Unitary $\&$ Analytic Model of the pion electromagnetic form factor of DUBNICKA 2010 to analyze the data of ACHASOV 2006, AKHMETSHIN 2007, AUBERT 2009AS, AMBROSINO 2011A, and FUJIKAWA 2008.

${\mathit m}_{{{\mathit \rho}{(770)}^{0}}}–{\mathit m}_{{{\mathit \rho}{(770)}^{\pm}}}$ (MeV)

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