Feasibility of the observation of $η^{\prime}$ mesic nuclei in the semi-exclusive $^{12}$C($p, dp$) reaction
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arXiv
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| Format: | Preprint |
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2024
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| author | Ikeno, Natsumi Higashi, Yuko Fujioka, Hiroyuki Itahashi, Kenta Sekiya, Ryohei Tanaka, Yoshiki K. Yamagata-Sekihara, Junko Metag, Volker Nanova, Mariana Hirenzaki, Satoru |
| author_facet | Ikeno, Natsumi Higashi, Yuko Fujioka, Hiroyuki Itahashi, Kenta Sekiya, Ryohei Tanaka, Yoshiki K. Yamagata-Sekihara, Junko Metag, Volker Nanova, Mariana Hirenzaki, Satoru |
| contents | We study theoretically the feasibility of the semi-exclusive $^{12}$C($p,dp$)$X$ reaction for the observation of $η^\prime$ mesic nuclei using the microscopic transport model JAM. The semi-exclusive measurements of the ($p,d$) reaction with protons from $η^\prime$ absorption are found to be significant for the observation of the $η^\prime$ bound states. Especially, the measurements of the energetic protons from $η^\prime$ non-mesic two-body absorption ($η^\prime NN \to NN$) are considered to be critically important. The Green's function method is used to calculate the expected spectrum of forward going deuterons corresponding to the excitation energy spectrum of the $η^\prime \otimes {}^{11}$C system in the semi-exclusive measurement. The semi-exclusive measurements are shown to be important in general for the $η^\prime$ mesic nucleus observation. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2406_06058 |
| institution | arXiv |
| publishDate | 2024 |
| record_format | arxiv |
| spellingShingle | Feasibility of the observation of $η^{\prime}$ mesic nuclei in the semi-exclusive $^{12}$C($p, dp$) reaction Ikeno, Natsumi Higashi, Yuko Fujioka, Hiroyuki Itahashi, Kenta Sekiya, Ryohei Tanaka, Yoshiki K. Yamagata-Sekihara, Junko Metag, Volker Nanova, Mariana Hirenzaki, Satoru Nuclear Theory Nuclear Experiment We study theoretically the feasibility of the semi-exclusive $^{12}$C($p,dp$)$X$ reaction for the observation of $η^\prime$ mesic nuclei using the microscopic transport model JAM. The semi-exclusive measurements of the ($p,d$) reaction with protons from $η^\prime$ absorption are found to be significant for the observation of the $η^\prime$ bound states. Especially, the measurements of the energetic protons from $η^\prime$ non-mesic two-body absorption ($η^\prime NN \to NN$) are considered to be critically important. The Green's function method is used to calculate the expected spectrum of forward going deuterons corresponding to the excitation energy spectrum of the $η^\prime \otimes {}^{11}$C system in the semi-exclusive measurement. The semi-exclusive measurements are shown to be important in general for the $η^\prime$ mesic nucleus observation. |
| title | Feasibility of the observation of $η^{\prime}$ mesic nuclei in the semi-exclusive $^{12}$C($p, dp$) reaction |
| topic | Nuclear Theory Nuclear Experiment |
| url | https://arxiv.org/abs/2406.06058 |