Neutron Star Radii from Laboratory Experiments
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arXiv
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| Main Authors: | , |
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| Format: | Preprint |
| Published: |
2025
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| _version_ | 1866908472297127936 |
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| author | Cozma, M. D. Trautmann, W. |
| author_facet | Cozma, M. D. Trautmann, W. |
| contents | Our present knowledge of the nuclear equation of state is briefly reviewed in this article intended for a wider readership. Particular emphasis is given to the asymmetric-matter equation of state required for modeling neutron stars, neutron-star mergers, and r-process nucleosynthesis. Recent analyses based on combining information obtained from nuclear theory, heavy-ion collisions and astrophysical observations confine the obtained radii of the canonical 1.4-solar-mass neutron star to values between 12 km and 13 km. The remaining uncertainty is primarily related to missing information in the density interval between nuclear saturation density and about twice that value which, however, is accessible with laboratory experiments. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2505_00390 |
| institution | arXiv |
| publishDate | 2025 |
| record_format | arxiv |
| spellingShingle | Neutron Star Radii from Laboratory Experiments Cozma, M. D. Trautmann, W. Nuclear Theory Solar and Stellar Astrophysics Nuclear Experiment Our present knowledge of the nuclear equation of state is briefly reviewed in this article intended for a wider readership. Particular emphasis is given to the asymmetric-matter equation of state required for modeling neutron stars, neutron-star mergers, and r-process nucleosynthesis. Recent analyses based on combining information obtained from nuclear theory, heavy-ion collisions and astrophysical observations confine the obtained radii of the canonical 1.4-solar-mass neutron star to values between 12 km and 13 km. The remaining uncertainty is primarily related to missing information in the density interval between nuclear saturation density and about twice that value which, however, is accessible with laboratory experiments. |
| title | Neutron Star Radii from Laboratory Experiments |
| topic | Nuclear Theory Solar and Stellar Astrophysics Nuclear Experiment |
| url | https://arxiv.org/abs/2505.00390 |