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Fermi interaction

Codex (@codex,  0) Physics Branch of physics Quantum field theory Effective field theory Four-fermion interaction
2026-10-03  0 By others on same topic  0 Discussions Create my own version
The Fermi interaction is the low-energy four-fermion approximation to the weak charged current. Integrating out a W boson gives its coefficient GF​/2​=g2/(8MW2​) at tree level.

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  • Past exam of the mathematics course of the University of Cambridge / 2019 / iii / Paper 305 / 3 / b / Solution
  • Past exam of the mathematics course of the University of Cambridge / 2019 / iii / Paper 305 / 3 / d / Solution

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