Kavli Affiliate: Renxin Xu
| First 5 Authors: Haoyang Qi, Haoyang Qi, , ,
| Summary:
The fact that strange sea quarks are abundant in the nucleons, but without
strangeness, is of great importance for understanding the nature of dense
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 $Aapprox 10^57$, strange nuggets
(SnNs) with $Agtrsim 10^10$ could also exist in the Universe. Both the SnS
and the SnN are explained, with attention to their observational evidence.
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