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View Code? Open in Web Editor NEWCalculate allowed interactions in QED
Calculate allowed interactions in QED
Lepton numbers should be flavoured and this should be conserved across each vertex (or at least over the total interaction). Consider something like giving the Lepton
base class electron
, muon
, tau
properties, setting them all to zero and assigning values to the relevant particles. Then in Interaction._vertex_invariants
we check if a particle is a Lepton
and count lepton numbers appropriately.
The Particle
class has an unused tex
property for typesetting particle names. Let's fill this out for concrete classes. It would be especially nice if we can do this implicitly in some cases, e.g. antiparticles and neutrinos, where the symbol changes in predictable ways.
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