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| Autori principali: | , , |
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| Natura: | Preprint |
| Pubblicazione: |
2026
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| Soggetti: | |
| Accesso online: | https://arxiv.org/abs/2605.18270 |
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| _version_ | 1866911694054227968 |
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| author | Volkov, M. K. Pivovarov, A. A. Nurlan, K. |
| author_facet | Volkov, M. K. Pivovarov, A. A. Nurlan, K. |
| contents | In the extended NJL model, two-body strong decays of the radially excited $η(1295)$ and $η(1475)$ mesons are described. It is shown that the two-body decays $η(1475)\to K_0^*K, a_0π$ play a dominant role in determining the width of the radially excited meson $η(1475)$. At the same time, the decays $η(1475)\to K^*K$ make a significantly smaller contribution to the total width. It is shown that two-particle decays give only a negligible contribution to the total width of the $η(1295)$. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2605_18270 |
| institution | arXiv |
| publishDate | 2026 |
| record_format | arxiv |
| spellingShingle | Two-body decays of radially excited $η(1295)$ and $η(1475)$ mesons in the extended NJL model Volkov, M. K. Pivovarov, A. A. Nurlan, K. High Energy Physics - Phenomenology In the extended NJL model, two-body strong decays of the radially excited $η(1295)$ and $η(1475)$ mesons are described. It is shown that the two-body decays $η(1475)\to K_0^*K, a_0π$ play a dominant role in determining the width of the radially excited meson $η(1475)$. At the same time, the decays $η(1475)\to K^*K$ make a significantly smaller contribution to the total width. It is shown that two-particle decays give only a negligible contribution to the total width of the $η(1295)$. |
| title | Two-body decays of radially excited $η(1295)$ and $η(1475)$ mesons in the extended NJL model |
| topic | High Energy Physics - Phenomenology |
| url | https://arxiv.org/abs/2605.18270 |