This is a review chapter summarizing the established framework of scattering theory in particle physics.
Virtual and real processes, the K\"all\'en function, and the relation to dilogarithms
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abstract
We enlighten relations between the K\"all\'en function, allowing in a simple way to distinguish between virtual and real processes involving massive particles, and the dilogarithms occurring as results of loop calculations for such kind of processes.
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hep-ph 1years
2026 1verdicts
UNVERDICTED 1representative citing papers
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Scattering Theory
This is a review chapter summarizing the established framework of scattering theory in particle physics.