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| Main Authors: | , |
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| Format: | Preprint |
| Published: |
2026
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| Subjects: | |
| Online Access: | https://arxiv.org/abs/2604.07871 |
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| _version_ | 1866910183806992384 |
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| author | Beni, Ahmad Naderi Marri, Sajjad |
| author_facet | Beni, Ahmad Naderi Marri, Sajjad |
| contents | We investigate the interaction of an antikaon ($K^-$) with the $^{6}$Li nucleus, described as an $α+ d$ cluster system. The study aims to explore the formation of the $Λ(1405)$ resonance through the $K^-d$ subsystem in the presence of a spectator $α$ particle. In the absence of dedicated experimental data for this reaction, particular attention is given to providing quantitative predictions for the manifestation of the $Λ(1405)$ structure in low-energy $\bar{K}N$ dynamics within a light nuclear environment. Employing different models of the $\bar{K}N-πΣ$ interaction, we calculate the $πΣn$ invariant-mass spectra and the $α$-particle missing-mass spectra, thereby identifying robust features of the $Λ(1405)$ signal and offering guidance for future experimental investigations. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2604_07871 |
| institution | arXiv |
| publishDate | 2026 |
| record_format | arxiv |
| spellingShingle | Investigation of the $\bar{K}$--$^{6}$Li Interaction and the Search for the $Λ(1405)$ Resonance Beni, Ahmad Naderi Marri, Sajjad Nuclear Theory We investigate the interaction of an antikaon ($K^-$) with the $^{6}$Li nucleus, described as an $α+ d$ cluster system. The study aims to explore the formation of the $Λ(1405)$ resonance through the $K^-d$ subsystem in the presence of a spectator $α$ particle. In the absence of dedicated experimental data for this reaction, particular attention is given to providing quantitative predictions for the manifestation of the $Λ(1405)$ structure in low-energy $\bar{K}N$ dynamics within a light nuclear environment. Employing different models of the $\bar{K}N-πΣ$ interaction, we calculate the $πΣn$ invariant-mass spectra and the $α$-particle missing-mass spectra, thereby identifying robust features of the $Λ(1405)$ signal and offering guidance for future experimental investigations. |
| title | Investigation of the $\bar{K}$--$^{6}$Li Interaction and the Search for the $Λ(1405)$ Resonance |
| topic | Nuclear Theory |
| url | https://arxiv.org/abs/2604.07871 |