Symbol table¶

The following symbols are used in the present documentation:

$m$ is the gluon mass parameter
$p$ is the Euclidean momentum
$M$ is the quark chiral mass
$M_{B}$ is the quark bare mass
$s = p^{2}/m^{2}$ is the adimensional Euclidean momentum squared
$x = M^{2}/m^{2}$ is the adimensional quark chiral mass squared
$N$ is the number of colors
$N_{f}$ is the number of quarks
$\alpha_{s} = \frac{g^2}{4\pi}$ , with $g$ the strong coupling constant
$\alpha = \frac{3N\alpha_{s}}{4\pi}$ is a normalized coupling constant
$\xi$ is the gauge parameter (Landau gauge: $\xi = 0$ )
$\mu_{0}$ is the renormalization scale for the renormalization of the propagators in the MOM scheme, adimensionalized by $m$
$F_{0}$ is an additive gluon renormalization constant
$G_{0}$ is an additive ghost renormalization constant
$Z_{\psi}$ is the quark field-strength renormalization constant
$K_{0}=\pi M_{B} Z_{\psi}/\alpha_{s}$ is a normalized quark bare mass
$H_{0}=3\pi Z_{\psi}/\alpha_{s}$ is a normalized quark field-strength renormalization constant
$Z_{\text{glue}}$ is a multiplicative renormalization constant for the internal gluon lines in the quark propagator (c.c. scheme only)
$p_{0}^{2}$ is (one of) the pole(s) of the gluon propagator, either in Euclidean or in Minkowski space
$R$ is the residue of the gluon propagator in $p_{0}^{2}$
$\varphi$ is the phase of the residue $R$

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