2013.08.06:
論文情報[理論グループ]「The Peccei-Quinn Symmetry from a Gauged Discrete R Symmetry 」
Keisuke Harigaya, Masahiro Ibe, Kai Schmitz, Tsutomu T. Yanagida.,
"The Peccei-Quinn Symmetry from a Gauged Discrete R Symmetry ", e-Print: ArXiv: 1308.1227[hep-ph]