Using FeynCalc
Set of Programs to explain how to use FeynCalc for tree level processes
Author: Jorge C. Romão
Last Update: 27/04/2020

Load FeynCalc

<<FeynCalc`

Examples from the Book ITC (version 2020)

Chapter 3

Evaluate trace in μ e ->μ e , Eq. (3.87)

<<muemue.m

Polarization in Coulomb scattering, Problem 3.10

<<CoulombPolarization.m

Chapter 5

Evaluate Traces in Compton scattering, Eq. (5.32)

<<eGeG.m

Evaluate Traces in Bhabha scattering, Eq. (5.70)

<<Bhabha.m

Evaluate Bethe-Heitler formula for bremsstrahlung, Eq. (5.76)

<<BetheHeitler.m

Evaluate Helicity Amplitudes in e e -> γγ, Eq. (5.109)

<<"SpinorProducts-eEGG.m"

M[1,1,-1,1]

M[-1,-1,-1,1]

M[1,-1,1,-1]

Evaluate Traces in e E -> γγ, Eq. (5.108)

<<eEGG.m

Evaluate Helicity Amplitudes in e γ -> e γ, Eqs. (5.132) e (5.133)

<<"SpinorProducts-Compton.m"

M1[1,1,1,-1]

M2[1,1,1,-1]

e E -> γγ with mass. Problem 5.15

<<eEGG-WithMass.m

e e  -> e e with mass. Problem 5.16

<<eeee-WithMass.m

e E  -> e E (Bhabha) with mass. Problem 5.17

<<eEeE-WithMass.m

Positronium decay, Problem 5.19

<<eEGG-Positronium.m

Chapter 6

Evaluate Helicity Amplitudes in Z-> f (OverBar[f]),  Eq. (6.39)

<<SpinorProductsZfF.m
M[1,1]

M[-1,-1]

M[1,-1]

M[-1,1]

Evaluate Helicity Amplitudes in Z-> f (OverBar[f]) with mass,  Eq. (6.45)

<<SpinorProductsZfFMass.m

M[1,1]

M[1,-1]

M[-1,1]

M[-1,-1]

Evaluate Traces in (SuperMinus[e])(SuperPlus[e]) ->  (SuperMinus[μ]) (SuperPlus[μ]), Eq. (6.55)

<<eEmM.m

Muon decay, Eq. (6.64)

<<mudecay.m

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