English

Resolution of the strong CP problem

High Energy Physics - Phenomenology 2009-10-31 v4 High Energy Physics - Theory

Abstract

It is shown that the quark mass aligns QCD θ\theta vacuum in such a way that the strong CP is conserved, resolving the strong CP problem.

Keywords

Cite

@article{arxiv.hep-ph/0006349,
  title  = {Resolution of the strong CP problem},
  author = {Taekoon Lee},
  journal= {arXiv preprint arXiv:hep-ph/0006349},
  year   = {2009}
}

Comments

9 pages;v2 slightly rewritten and expanded;v3 a few points clarified;v4 minor changes, journal version

R2 v1 2026-07-22T13:27:44.309Z