New Solutions to the Strong CP Problem
高能物理 - 唯象学
2009-11-10 v3 高能物理 - 理论
摘要
We exhibit a solution to the strong CP problem in which ultraviolet physics renders the QCD theta angle physically unobservable. Our models involve new strong interactions beyond QCD and particles charged under both the new interactions and ordinary color.
关键词
引用
@article{arxiv.hep-ph/0408319,
title = {New Solutions to the Strong CP Problem},
author = {S. D. H. Hsu and F. Sannino},
journal= {arXiv preprint arXiv:hep-ph/0408319},
year = {2009}
}
备注
RevTex, 2-columns, 5 pages, 1 fig. Revised version, including additional discussion of the UV theory and the low-energy effective theory, to appear in Physics Letters B