Fragmentation of the Giant Pairing Vibration in 14C induced by many-body processes
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arXiv
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| Auteurs principaux: | , , |
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| Format: | Preprint |
| Publié: |
2024
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| _version_ | 1866910339463905280 |
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| author | Barranco, Francisco Potel, Gregory Vigezzi, Enrico |
| author_facet | Barranco, Francisco Potel, Gregory Vigezzi, Enrico |
| contents | We present a theoretical framework for treating the full excitation spectrum of Jπ = 0+ pair addition modes, including the well-known low-lying and bound Pairing Vibration on par with the predicted Giant Pairing Vibration lying in the continuum. Our formalism includes the coupling to low-energy collective quadrupole modes of the core, in such a way that both single-particle self-energy effects and the pairing interaction induced by phonon exchange are accounted for. The theory is applied to the case of the excitation spectrum of 14C, recently populated by two-neutron transfer reactions. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2402_14166 |
| institution | arXiv |
| publishDate | 2024 |
| record_format | arxiv |
| spellingShingle | Fragmentation of the Giant Pairing Vibration in 14C induced by many-body processes Barranco, Francisco Potel, Gregory Vigezzi, Enrico Nuclear Theory We present a theoretical framework for treating the full excitation spectrum of Jπ = 0+ pair addition modes, including the well-known low-lying and bound Pairing Vibration on par with the predicted Giant Pairing Vibration lying in the continuum. Our formalism includes the coupling to low-energy collective quadrupole modes of the core, in such a way that both single-particle self-energy effects and the pairing interaction induced by phonon exchange are accounted for. The theory is applied to the case of the excitation spectrum of 14C, recently populated by two-neutron transfer reactions. |
| title | Fragmentation of the Giant Pairing Vibration in 14C induced by many-body processes |
| topic | Nuclear Theory |
| url | https://arxiv.org/abs/2402.14166 |