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| Title: | π0–η mixing and CP violation |
Authors: | Ecker, Gerhard; Müller, G.; Neufeld, Helmut; Pich, Antonio CSIC ORCID | Issue Date: | 23-Mar-2000 | Publisher: | Elsevier | Citation: | Physics Letters B 477(1-3): 88-92 (2000) | Abstract: | We discuss $\pi^0$ -$\eta$ mixing and its implication for $\epsilon'/ \epsilon$ to next-to-leading order in the low-energy expansion. The big effect due to $\eta$-$\eta'$ mixing is shown to be largely cancelled by other contributions occurring at the same order in the chiral expansion. | Description: | 5 páginas.-- arXiv:hep-ph/9912264v1 | Publisher version (URL): | http://dx.doi.org/10.1016/S0370-2693(00)00213-6 | URI: | http://hdl.handle.net/10261/33215 | DOI: | 10.1016/S0370-2693(00)00213-6 | ISSN: | 0370-2693 |
| Appears in Collections: | (IFIC) Artículos |
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| 9912264v1.pdf | 93,8 kB | Adobe PDF |  View/Open |
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