Lagrangian
Lagrangian["oqu"]
gives the unpolarized OPE quark operator.
Lagrangian["oqp"]
gives the polarized quark OPE operator.
Lagrangian["ogu"]
gives the unpolarized gluon OPE operator.
Lagrangian["ogp"]
gives the polarized gluon OPE operator.
Lagrangian["ogd"]
gives the sigma-term part of the QCD Lagrangian.
Lagrangian["QCD"]
gives the gluon self interaction part of the QCD Lagrangian.
See also
Overview, FeynRule.
Examples
−41FFCGV(α)FCGV(β)FCGV(a).FFCGV(α)FCGV(β)FCGV(a)
Twist-2 operator product expansion operators
21im−1FFCGV(α)ΔFCGV(a).(DΔFCGV(a)FCGV(b))m−2.FFCGV(α)ΔFCGV(b)
21imϵˉFCGV(α)FCGV(β)FCGV(γ)Δ.FFCGV(β)FCGV(γ)FCGV(a).(DΔFCGV(a)FCGV(b))m−2.FFCGV(α)ΔFCGV(b)
imψˉ.(γˉ⋅Δ).DΔm−1.ψ
imψˉ.γˉ5.(γˉ⋅Δ).DΔm−1.ψ