QGRAF.h File Reference

QGRAF header file. More...

#include "HEP.h"

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Classes
class	HepLib::QGRAF::Process
	main interface to qgraf program More...
class	HepLib::QGRAF::Models

Namespaces
namespace	HepLib
	HepLib namespace.
namespace	HepLib::QGRAF
	namespace for generating Feynman diagrams or amplitudes.

Functions
lst	HepLib::QGRAF::TopoLines (const ex &amp)
	generate the topological lines for the amplitude
void	HepLib::QGRAF::DrawPDF (const lst &amps, string fn)
	generate Feynman diagrams for the amplitudes, in PDF format
vector< lst >	HepLib::QGRAF::ShrinkCut (ex amp, lst prop, int n)
	cut the amplitude, and return the connected parts, may have many different cuts
bool	HepLib::QGRAF::HasLoop (ex amp, lst prop)
	check a amplitude has a loop w.r.t. propapagtor
Index	HepLib::QGRAF::LI (ex fn)
Index	HepLib::QGRAF::DI (ex fn)
Index	HepLib::QGRAF::TI (ex fn)
Index	HepLib::QGRAF::FI (ex fn)
Index	HepLib::QGRAF::CI (ex fn)
Index	HepLib::QGRAF::AI (ex fn)
Index	HepLib::QGRAF::RLI (ex fn)
Index	HepLib::QGRAF::RDI (ex fn)
Index	HepLib::QGRAF::RTI (ex fn)
Index	HepLib::QGRAF::RFI (ex fn)
Index	HepLib::QGRAF::RCI (ex fn)
Index	HepLib::QGRAF::RAI (ex fn)
ex	HepLib::QGRAF::QuarkPropagator (const ex &e, const ex &m)
	Propagator for quark.
ex	HepLib::QGRAF::LeptonPropagator (const ex &e, const ex &m)
	Propagator for lepton.
ex	HepLib::QGRAF::GluonPropagator (const ex &e, const ex &xi)
	Propagator for gluon.
ex	HepLib::QGRAF::GluonGhostPropagator (const ex &e, const ex &xi, const ex &eta_G)
	Propagator for gluon ghost.
ex	HepLib::QGRAF::AZWPropagator (const ex &e, const ex &m, const ex &xi)
	Propagator for A/Z/W boson.
ex	HepLib::QGRAF::AZWGhostPropagator (const ex &e, const ex &m, const ex &xi, const ex &eta_G)
	Propagator for A/Z/W ghost.
ex	HepLib::QGRAF::ScalarPropagator (const ex &e, const ex &m, const ex &xi)
	Propagator for scalar.
ex	HepLib::QGRAF::QuarkGluonVertex (const ex &e, const ex &eta_s)
	q-qbar-g vertex
ex	HepLib::QGRAF::Gluon3Vertex (const ex &e, const ex &eta_s)
	g-g-g vertex
ex	HepLib::QGRAF::Gluon4Vertex (const ex &e, const ex &eta_s)
	g-g-g-g vertex
ex	HepLib::QGRAF::GhostGluonVertex (const ex &e, const ex &eta_s, const ex &eta_G)
	ghbar-gh-g vertex
ex	HepLib::QGRAF::QuarkAVertex (const ex &e, const ex &eq, const ex &eta_e)
	qbar-q-A vertex
ex	HepLib::QGRAF::LeptonAVertex (const ex &e, const ex &eq, const ex &eta_e)
	l-lbar-A vertex
ex	HepLib::QGRAF::IndexL2R (ex e, bool all)
	Change Index from left to right, only affect li/di/ci/ti, external index start with dim/lim/cim/tim will also be changed if all=true.
ex	HepLib::QGRAF::IndexCC (ex e, bool all)
ex	HepLib::QGRAF::GluonSumL (int qi, bool color)
	polarization sum for gluon
ex	HepLib::QGRAF::QuarkSumL (int qi, ex p, ex m, bool color)
	polarization sum for quark
ex	HepLib::QGRAF::AntiQuarkSumL (int qi, ex p, ex m, bool color)
	polarization sum for anti-quark
ex	HepLib::QGRAF::GhostSumL (int qi)
	polarization sum for ghost
ex	HepLib::QGRAF::AntiGhostSumL (int qi)
	polarization sum for anti-ghost, note that we will add extra - here
ex	HepLib::QGRAF::J1SumL (int qi, ex p)
	polarization sum for total angular momentum
ex	HepLib::QGRAF::GluonSumR (int qi, bool color)
	polarization sum for gluon
ex	HepLib::QGRAF::QuarkSumR (int qi, ex p, ex m, bool color)
	polarization sum for quark
ex	HepLib::QGRAF::AntiQuarkSumR (int qi, ex p, ex m, bool color)
	polarization sum for anti-quark
ex	HepLib::QGRAF::GhostSumR (int qi)
	polarization sum for ghost
ex	HepLib::QGRAF::AntiGhostSumR (int qi)
	polarization sum for anti-ghost, note that we will add extra - here
ex	HepLib::QGRAF::GluonSum (int qi, bool color=true)
ex	HepLib::QGRAF::QuarkSum (int qi, ex p, ex m, bool color=true)
ex	HepLib::QGRAF::AntiQuarkSum (int qi, ex p, ex m, bool color=true)
ex	HepLib::QGRAF::GhostSum (int qi)
ex	HepLib::QGRAF::AntiGhostSum (int qi)
ex	HepLib::QGRAF::J1Sum (int qi, ex p)

Variables
map< ex, string, ex_is_less >	HepLib::QGRAF::LineTeX
map< ex, string, ex_is_less >	HepLib::QGRAF::VerTeX
map< ex, string, ex_is_less >	HepLib::QGRAF::InOutTeX

Detailed Description

QGRAF header file.

Definition in file QGRAF.h.