3- <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML"> <mml:mi>α</mml:mi> </mml:math> and 4- <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML"> <mml:mi>α</mml:mi> </mml:math> systems within a short-range effective field theory–inspired a

$^{12}\mathrm{C}$ and $^{16}\mathrm{O}$ nuclei represent essential elements for life on Earth. The study of their formation plays a key role in understanding heavy element nucleosynthesis and stellar evolution. In this paper we present the study of $^{12}\mathrm{C}$ and $^{16}\mathrm{O}$ nuclei as systems composed of $\ensuremath{\alpha}$-particle clusters using a short-range effective field theory--inspired approach. The fundamental and excited states of the studied nuclei are calculated within an ab initio approach using the hyperspherical harmonics method. Thanks to the two-body potential and fine-tuning of the three-body force, we have found the $^{12}\mathrm{C}$ system nicely reproduced by theory. However, for the $^{16}\mathrm{O}$ case, it is necessary to include a four-body force in order to achieve agreement with the experimental data.

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Institutions

Publication Details

Journal
Physical review. C
Published
2025-09-12
DOI
https://doi.org/10.1103/thn1-29cs
Primary Topic
Nuclear physics research studies
Type
article
Field-Weighted Citation Impact
0.00
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article

3- <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML"> <mml:mi>α</mml:mi> </mml:math> and 4- <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML"> <mml:mi>α</mml:mi> </mml:math> systems within a short-range effective field theory–inspired a

M. Viviani, L. E. Marcucci, E. Filandri, L. Girlanda et al.
Physical review. C
Nuclear physics research studies
article

3- <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML"> <mml:mi>α</mml:mi> </mml:math> and 4- <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML"> <mml:mi>α</mml:mi> </mml:math> systems within a short-range effective field theory–inspired a

M. Viviani, L. E. Marcucci, E. Filandri, L. Girlanda, A. Kievsky
article en

Abstract

$^{12}\mathrm{C}$ and $^{16}\mathrm{O}$ nuclei represent essential elements for life on Earth. The study of their formation plays a key role in understanding heavy element nucleosynthesis and stellar evolution. In this paper we present the study of $^{12}\mathrm{C}$ and $^{16}\mathrm{O}$ nuclei as systems composed of $\ensuremath{\alpha}$-particle clusters using a short-range effective field theory--inspired approach. The fundamental and excited states of the studied nuclei are calculated within an ab initio approach using the hyperspherical harmonics method. Thanks to the two-body potential and fine-tuning of the three-body force, we have found the $^{12}\mathrm{C}$ system nicely reproduced by theory. However, for the $^{16}\mathrm{O}$ case, it is necessary to include a four-body force in order to achieve agreement with the experimental data.

Physical review. CVol. 112(4)
University of Pisa (IT), University of Salento (IT), Fondazione Bruno Kessler (IT), Istituto Nazionale di Fisica Nucleare, Sezione di Lecce (IT), European Centre for Theoretical Studies in Nuclear Physics and Related Areas (IT), Istituto Nazionale di Fisica Nucleare, Sezione di Pisa (IT)
Openalex Percentile: Top 85%
Nuclear physics research studies
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