An Introduction To Quantum Field Theory - M. Peskin, D. Schroeder (Perseus, 1995) · Problem 7.1

Radiative Corrections: Some Formal Developments — M. Peskin, D. Schroeder (Perseus, 1995)

Physics — QFT · radiative-corrections-optical-theorem

Problem

In Section 7.3 we used an indirect method to analyze the one-loop ss-channel diagram for boson-boson scattering in ϕ4\phi^4 theory. To verify our indirect analysis, evaluate all three one-loop diagrams, using the standard method of Feynman parameters. Check the validity of the optical theorem.

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