${{\mathit \rho}{(770)}}$ T-MATRIX POLE $\sqrt {\mathit s }$ INSPIRE search

Note that $\Gamma $ = $−$2 Im($\sqrt {s }$).
M009PP
VALUE (MeV) DOCUMENT ID TECN  COMMENT
$\bf{ (761 - 765) − {\mit i} (71 - 74)}$ OUR ESTIMATE
$(762.5 \pm1.7) − {\mit i} (73.2 \pm1.1)$ 1
HOFERICHTER
2024
RVUE Compilation
$(763.7 {}^{+1.7}_{-1.5}) − {\mit i} (73.2 {}^{+1.0}_{-1.1})$ 2
GARCIA-MARTIN
2011
RVUE Compilation
$(754 \pm18) − {\mit i} (74 \pm10)$ 3
PELAEZ
2004A
 RVUE ${{\mathit \pi}}$ ${{\mathit \pi}}$ $\rightarrow$ ${{\mathit \pi}}{{\mathit \pi}}$
$(762.4 \pm1.8) − {\mit i} (72.6 \pm1.4)$
COLANGELO
2001
RVUE ${{\mathit \pi}}$ ${{\mathit \pi}}$ $\rightarrow$ ${{\mathit \pi}}{{\mathit \pi}}$
1  Update of GARCIA-MARTIN 2011 with input for ${{\mathit \pi}}{{\mathit \pi}}$ T-matrix from HOFERICHTER 2016.
2  Reanalysis of the ${{\mathit K}_{{{e4}}}}$ data of BATLEY 2010C and the ${{\mathit \pi}}$ ${{\mathit N}}$ $\rightarrow$ ${{\mathit \pi}}{{\mathit \pi}}{{\mathit N}}$ data of HYAMS 1973, GRAYER 1974, and PROTOPOPESCU 1973 using GKPY equations.
3  Reanalysis of data from PROTOPOPESCU 1973, ESTABROOKS 1974, GRAYER 1974, and COHEN 1980 in the unitarized ChPT model.
  References:
HOFERICHTER 2024
PL B853 138698 Nucleon resonance parameters from Roy-Steiner equations
GARCIA-MARTIN 2011
PRL 107 072001 Precise Determination of the ${{\mathit f}_{{{0}}}{(600)}}$ and ${{\mathit f}_{{{0}}}{(980)}}$ Pole Parameters from a Dispersive Data Analysis
PELAEZ 2004A
MPL A19 2879 Light Scalars as Tetraquarks or Two-meson States from Large ${{\mathit N}_{{{c}}}}$ and Unitarized Chiral Perturbation Theory
COLANGELO 2001
NP B603 125 ${{\mathit \pi}}$ ${{\mathit \pi}}$ Scattering