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Constraining neutron-star matter with microscopic and macroscopic collisions

Interpreting high-energy, astrophysical phenomena, such as supernova explosions or neutron-star collisions, requires a robust understanding of matter at supranuclear densities. However, our knowledge about dense matter explored in the cores of neutron stars remains limited. Fortunately, dense matter...

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Autores principales: Huth, Sabrina, Pang, Peter T. H., Tews, Ingo, Dietrich, Tim, Le Fèvre, Arnaud, Schwenk, Achim, Trautmann, Wolfgang, Agarwal, Kshitij, Bulla, Mattia, Coughlin, Michael W., Van Den Broeck, Chris
Formato: Online Artículo Texto
Lenguaje:English
Publicado: Nature Publishing Group UK 2022
Materias:
Acceso en línea:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC9177417/
https://www.ncbi.nlm.nih.gov/pubmed/35676430
http://dx.doi.org/10.1038/s41586-022-04750-w
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author Huth, Sabrina
Pang, Peter T. H.
Tews, Ingo
Dietrich, Tim
Le Fèvre, Arnaud
Schwenk, Achim
Trautmann, Wolfgang
Agarwal, Kshitij
Bulla, Mattia
Coughlin, Michael W.
Van Den Broeck, Chris
author_facet Huth, Sabrina
Pang, Peter T. H.
Tews, Ingo
Dietrich, Tim
Le Fèvre, Arnaud
Schwenk, Achim
Trautmann, Wolfgang
Agarwal, Kshitij
Bulla, Mattia
Coughlin, Michael W.
Van Den Broeck, Chris
author_sort Huth, Sabrina
collection PubMed
description Interpreting high-energy, astrophysical phenomena, such as supernova explosions or neutron-star collisions, requires a robust understanding of matter at supranuclear densities. However, our knowledge about dense matter explored in the cores of neutron stars remains limited. Fortunately, dense matter is not probed only in astrophysical observations, but also in terrestrial heavy-ion collision experiments. Here we use Bayesian inference to combine data from astrophysical multi-messenger observations of neutron stars(1–9) and from heavy-ion collisions of gold nuclei at relativistic energies(10,11) with microscopic nuclear theory calculations(12–17) to improve our understanding of dense matter. We find that the inclusion of heavy-ion collision data indicates an increase in the pressure in dense matter relative to previous analyses, shifting neutron-star radii towards larger values, consistent with recent observations by the Neutron Star Interior Composition Explorer mission(5–8),(18). Our findings show that constraints from heavy-ion collision experiments show a remarkable consistency with multi-messenger observations and provide complementary information on nuclear matter at intermediate densities. This work combines nuclear theory, nuclear experiment and astrophysical observations, and shows how joint analyses can shed light on the properties of neutron-rich supranuclear matter over the density range probed in neutron stars.
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spelling pubmed-91774172022-06-10 Constraining neutron-star matter with microscopic and macroscopic collisions Huth, Sabrina Pang, Peter T. H. Tews, Ingo Dietrich, Tim Le Fèvre, Arnaud Schwenk, Achim Trautmann, Wolfgang Agarwal, Kshitij Bulla, Mattia Coughlin, Michael W. Van Den Broeck, Chris Nature Article Interpreting high-energy, astrophysical phenomena, such as supernova explosions or neutron-star collisions, requires a robust understanding of matter at supranuclear densities. However, our knowledge about dense matter explored in the cores of neutron stars remains limited. Fortunately, dense matter is not probed only in astrophysical observations, but also in terrestrial heavy-ion collision experiments. Here we use Bayesian inference to combine data from astrophysical multi-messenger observations of neutron stars(1–9) and from heavy-ion collisions of gold nuclei at relativistic energies(10,11) with microscopic nuclear theory calculations(12–17) to improve our understanding of dense matter. We find that the inclusion of heavy-ion collision data indicates an increase in the pressure in dense matter relative to previous analyses, shifting neutron-star radii towards larger values, consistent with recent observations by the Neutron Star Interior Composition Explorer mission(5–8),(18). Our findings show that constraints from heavy-ion collision experiments show a remarkable consistency with multi-messenger observations and provide complementary information on nuclear matter at intermediate densities. This work combines nuclear theory, nuclear experiment and astrophysical observations, and shows how joint analyses can shed light on the properties of neutron-rich supranuclear matter over the density range probed in neutron stars. Nature Publishing Group UK 2022-06-08 2022 /pmc/articles/PMC9177417/ /pubmed/35676430 http://dx.doi.org/10.1038/s41586-022-04750-w Text en © The Author(s) 2022 https://creativecommons.org/licenses/by/4.0/Open Access This article is licensed under a Creative Commons Attribution 4.0 International License, which permits use, sharing, adaptation, distribution and reproduction in any medium or format, as long as you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons license, and indicate if changes were made. The images or other third party material in this article are included in the article’s Creative Commons license, unless indicated otherwise in a credit line to the material. If material is not included in the article’s Creative Commons license and your intended use is not permitted by statutory regulation or exceeds the permitted use, you will need to obtain permission directly from the copyright holder. To view a copy of this license, visit http://creativecommons.org/licenses/by/4.0/ (https://creativecommons.org/licenses/by/4.0/) .
spellingShingle Article
Huth, Sabrina
Pang, Peter T. H.
Tews, Ingo
Dietrich, Tim
Le Fèvre, Arnaud
Schwenk, Achim
Trautmann, Wolfgang
Agarwal, Kshitij
Bulla, Mattia
Coughlin, Michael W.
Van Den Broeck, Chris
Constraining neutron-star matter with microscopic and macroscopic collisions
title Constraining neutron-star matter with microscopic and macroscopic collisions
title_full Constraining neutron-star matter with microscopic and macroscopic collisions
title_fullStr Constraining neutron-star matter with microscopic and macroscopic collisions
title_full_unstemmed Constraining neutron-star matter with microscopic and macroscopic collisions
title_short Constraining neutron-star matter with microscopic and macroscopic collisions
title_sort constraining neutron-star matter with microscopic and macroscopic collisions
topic Article
url https://www.ncbi.nlm.nih.gov/pmc/articles/PMC9177417/
https://www.ncbi.nlm.nih.gov/pubmed/35676430
http://dx.doi.org/10.1038/s41586-022-04750-w
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