| Hovedsiden > On the U(1)-problem, the strong CP-problem and the $\eta$ and $\eta$' masses |
| Article | |
| Title | On the U(1)-problem, the strong CP-problem and the $\eta$ and $\eta$' masses |
| Author(s) | Marchi, S |
| Publication | 1993 |
| Imprint | Nov 1993? |
| Number of pages | 13 |
| In: | Hadron, Como, Italy, 21 - 25 Jun 1993, pp.2609-2616 |
| Subject category | Particle Physics - Theory |
| Free keywords | eta' |