Analysis of the Leading Divergences in a Model of Weak Interactions | Zendy

Thomas Appelquist | Zendy; CARL-EDWIN CARLSON | Zendy

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Analysis of the Leading Divergences in a Model of Weak Interactions

Author(s) -

Thomas Appelquist,

CARL-EDWIN CARLSON

Publication year - 1969

Publication title -

physical review

Language(s) - English

Resource type - Journals

eISSN - 1536-6065

pISSN - 0031-899X

DOI - 10.1103/physrev.187.2119

Subject(s) - physics , boson , perturbation theory (quantum mechanics) , fermion , lagrangian , canonical transformation , perturbation (astronomy) , theoretical physics , mathematical physics , quantum electrodynamics , particle physics , quantum mechanics , quantum

We study a model of the weak interaction in which three W-bosons interact with a triplet of fermion currents. The model is not renormalizable, but w e make a canonical transformation of the Lagrangian which allows the most divergent terms in a perturbation series to be isolated, and their structure examined. Results recently obtained in lowest order perturbation theory relating the leading divergence to the Cabibbo angle are explicitly shown to hold in all orders.

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