as though it were an electron moving backward in time.
Representation
A Feynman diagram represents
a possibility for a set of interacting particles,
but it doesn’t represent all possibilities,
which would be almost all
of an infinite number of diagrams,
which would be like . . . like . . .
One difference between a theorist and an experimentalist in the field of quantum chromodynamics
is that the theorist simplifies to essential interactions,
when the actual interactions can be far more complex,
containing a profusion of gluons sprouting off quarks and antiquarks
and decaying into hadrons.
One difference between a theorist and an experimentalist in the field of quantum chromodynamics is that the theorist simplifies to essential interactions, when the actual interactions can be far more complex, containing a profusion of gluons sprouting off quarks and antiquarks and decaying into hadrons.
See also in The book of science:
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