Strangeon Matter: from Stars to Nuggets

Fuente: arXiv
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Main Authors: Qi, Haoyang, Xu, Renxin
Format: Preprint
Published: 2025
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author Qi, Haoyang
Xu, Renxin
author_facet Qi, Haoyang
Xu, Renxin
contents The fact that strange sea quarks are abundant in the nucleons, but with zero net strangeness, is of great importance for understanding the nature of matter condensed by the strong interaction, particularly in the context of the ``gigantic nucleus'' formed by the gravitational collapse of an evolved massive star. We hypothesize that the basic unit of bulk strong matter with the light-flavor symmetry of valence quarks is ``strangeon'', which is the counterpart of the nucleon found in atomic nuclei. In addition to strangeon stars (SnSs) with large baryon number of $A\approx 10^{57}$, strange nuggets (SnNs) with $A\gtrsim 10^{10}$ could also exist in the Universe. Both the SnS and the SnN are explained, with attention to their observational evidence.
format Preprint
id arxiv_https___arxiv_org_abs_2507_13935
institution arXiv
publishDate 2025
record_format arxiv
spellingShingle Strangeon Matter: from Stars to Nuggets
Qi, Haoyang
Xu, Renxin
High Energy Astrophysical Phenomena
High Energy Physics - Phenomenology
Nuclear Theory
The fact that strange sea quarks are abundant in the nucleons, but with zero net strangeness, is of great importance for understanding the nature of matter condensed by the strong interaction, particularly in the context of the ``gigantic nucleus'' formed by the gravitational collapse of an evolved massive star. We hypothesize that the basic unit of bulk strong matter with the light-flavor symmetry of valence quarks is ``strangeon'', which is the counterpart of the nucleon found in atomic nuclei. In addition to strangeon stars (SnSs) with large baryon number of $A\approx 10^{57}$, strange nuggets (SnNs) with $A\gtrsim 10^{10}$ could also exist in the Universe. Both the SnS and the SnN are explained, with attention to their observational evidence.
title Strangeon Matter: from Stars to Nuggets
topic High Energy Astrophysical Phenomena
High Energy Physics - Phenomenology
Nuclear Theory
url https://arxiv.org/abs/2507.13935