Physics, 21.08.2019 05:20 alanisalvarez2000
Feynman diagrams (a) draw both a scattering and an annihilation tree-level feynman diagram for the interaction ? +? - labelling them accordingly . in each diagram label all particles, including the propagator, and initial and final states (b) state what prevents the ? +? - interaction from having both a scattering and an annihilation diagram.
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Feynman diagrams (a) draw both a scattering and an annihilation tree-level feynman diagram for the i...
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