arXiv:hep-ph/0006349·v4·High Energy Physics — Phenomenology
Resolution of the strong CP problem
Abstract
It is shown that the quark mass aligns QCD vacuum in such a way that the strong CP is conserved, resolving the strong CP problem.
Comments: 9 pages;v2 slightly rewritten and expanded;v3 a few points clarified;v4 minor changes, journal version