Amplitudes

Description

Amplitudes[name] is a database of Feynman amplitudes. Gauge -> 1 means `t Hooft Feynman gauge; Polarization -> 0 gives unpolarized OPE-type amplitudes, Polarization -> 1 the polarized ones.

Options[Amplitudes]

See also:  FeynAmp.

Examples

This is the amplitude of a gluon self-energy diagram.

Amplitudes["se1g1"]

Explicit[%]

This is the amplitude for graph 6.2 from the paper Z.Phys C 70:637-654, 1996.

FeynAmp[q1, q2, 
      EpsEvaluate[Trick[Explicit[Amplitudes["gg2"]]]]]