On the simple model of interacting massless and heavy scalar fields it is demonstrated that the technique of heavy baryon chiral perturbation theory reproduces the results of relativistic theory. Explicit calculations are performed for diagrams including two loops.
No takes yet. Share an insight, caveat, or question.
Gegelia et al. (1999) studied this question.
Synapse has enriched 5 related papers. Consider them for comparative context: