Near-threshold resonances in 11C and the 10B(p,α)7Be aneutronic reaction cross section
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arXiv
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| Main Authors: | , , |
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| Format: | Preprint |
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2022
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| _version_ | 1866913622146416640 |
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| author | Okołowicz, J. Płoszajczak, M. Nazarewicz, W. |
| author_facet | Okołowicz, J. Płoszajczak, M. Nazarewicz, W. |
| contents | The nucleus 11C plays an important role in the boron-proton fusion reactor environment as a catalyzer of the 10B(p,α)7Be reaction which, by producing a long-lived isotope of 7Be, poisons the aneutronic fusion process 11B(p,2α)4He. The low-energy cross section of 10B(p,α)7Be depends on the near-threshold states 7/2+1 , 5/2+2 , 5/2+3 in 11C whose properties are primarily known from the indirect measurements. We investigate the continuum-coupling induced collectivization of these resonances in the shell model embedded in the continuum. We predict a significant enhancement of the 10B(p,α)7Be cross section at energies accessible to the laser-driven hot plasma facilities. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2211_02555 |
| institution | arXiv |
| publishDate | 2022 |
| record_format | arxiv |
| spellingShingle | Near-threshold resonances in 11C and the 10B(p,α)7Be aneutronic reaction cross section Okołowicz, J. Płoszajczak, M. Nazarewicz, W. Nuclear Theory The nucleus 11C plays an important role in the boron-proton fusion reactor environment as a catalyzer of the 10B(p,α)7Be reaction which, by producing a long-lived isotope of 7Be, poisons the aneutronic fusion process 11B(p,2α)4He. The low-energy cross section of 10B(p,α)7Be depends on the near-threshold states 7/2+1 , 5/2+2 , 5/2+3 in 11C whose properties are primarily known from the indirect measurements. We investigate the continuum-coupling induced collectivization of these resonances in the shell model embedded in the continuum. We predict a significant enhancement of the 10B(p,α)7Be cross section at energies accessible to the laser-driven hot plasma facilities. |
| title | Near-threshold resonances in 11C and the 10B(p,α)7Be aneutronic reaction cross section |
| topic | Nuclear Theory |
| url | https://arxiv.org/abs/2211.02555 |