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Related papers: Hyperon-rich matter

200 papers

Hypernuclei and hypernuclear matter connect nuclear structure in the strangeness sector with the astrophysics of neutron stars, where hyperons are expected to emerge at high densities and affect key astrophysical observables. We present the…

Nuclear Theory · Physics 2025-10-01 Hui Tong , Serdar Elhatisari , Ulf-G. Meißner , Zhengxue Ren

Selected topics in strangeness nuclear physics are critically reviewed. This includes production, structure and weak decay of $\Lambda$--Hypernuclei, the $\bar K$ nuclear interaction and the possible existence of $\bar K$ bound states in…

Nuclear Experiment · Physics 2012-05-17 Elena Botta , Tullio Bressani , Gianni Garbarino

Based on a dynamical model on particle production, the production and fraction of exotic components in neutron star matter are analyzed. It is found that there exists a small fraction of strangeness in twice saturation density matter. For…

Nuclear Theory · Physics 2023-11-30 Gao-Chan Yong

An overview is given of various dark matter candidates. Among the many suggestions given in the literature, axions, inert Higgs doublet, sterile neutrinos, supersymmetric particles and Kaluza-Klein particles are discussed. The situation has…

High Energy Physics - Phenomenology · Physics 2010-01-15 Lars Bergstrom

We discuss how the dynamics of the evolving hot fireball of quark--gluon matter impacts phase transition between the deconfined and confined state of matter. The rapid expansion of the fireball of deconfined matter created in heavy ion…

High Energy Physics - Phenomenology · Physics 2009-11-11 Johann Rafelski , Jean Letessier

If the next fundamental level of matter occurs (preons) then dark matter must consist of familons containing a "hot" component from massless particles and a "cold" component from massive particles. During evolution of the Universe this dark…

High Energy Physics - Phenomenology · Physics 2009-11-13 V. Burdyuzha , O. Lalakulich , Yu. Ponomarev , G. Vereshkov

Neutron stars are some of the densest manifestations of massive objects in the universe. They are ideal astrophysical laboratories for testing theories of dense matter physics and provide connections among nuclear physics, particle physics…

Astrophysics · Physics 2011-05-05 J. M. Lattimer , M. Prakash

Strong interaction physics under extreme conditions of high temperature and/or density is of central interest in modern nuclear physics for experimentalists and theorists alike. In order to investigate such systems, model approaches that…

Solar and Stellar Astrophysics · Physics 2013-10-23 S. Schramm , V. Dexheimer , R. Negreiros , J. Steinheimer , T. Schürhoff

We consider the model of composite dark matter assuming stable particles of charge $-2$ bound with primordial helium nuclei by Coulomb force in $O$He atoms. We study capture of such dark atoms in matter and propose a possibility of…

High Energy Physics - Phenomenology · Physics 2019-01-18 Vakhid A. Gani , Maxim Yu. Khlopov , Dmitry N. Voskresensky

By means of the quark mass density- and temperature- dependent model, it is found that the negative charge and the higher strangeness fraction are in favor of the stability of strange quark matter at finite temperature. A critical baryon…

Nuclear Theory · Physics 2007-05-23 Y. Zhang

This short review aims at giving a brief overview of the various states of matter that have been suggested to exist in the ultra-dense centers of neutron stars. Particular emphasis is put on the role of quark deconfinement in neutron stars…

Solar and Stellar Astrophysics · Physics 2014-08-04 Fridolin Weber , Gustavo A. Contrera , Milva G. Orsaria , William Spinella , Omair Zubairi

The properties of strange and charm mesons in nuclear matter and nuclei are reviewed. Different frameworks are presented and discussed paying a special attention to unitarized coupled-channel approaches. Possible experimental signatures of…

Neutron stars and supernovae provide cosmic laboratories of highly compressed matter at supra nuclear saturation density which is beyond the reach of terrestrial experiments. The properties of dense matter is extracted by combining the…

Nuclear Theory · Physics 2023-05-02 Kohsuke Sumiyoshi , Toru Kojo , Shun Furusawa

We introduce a model for matters-genesis in which both the baryonic and dark matter asymmetries originate from a first-order phase transition in a dark sector with an $SU(3)\times SU(2)\times U(1)$ gauge group and minimal matter content. In…

High Energy Physics - Phenomenology · Physics 2023-03-10 Eleanor Hall , Thomas Konstandin , Robert McGehee , Hitoshi Murayama

One of the key ingredients to understand the properties of neutrons stars is the equation of state at finite densities far beyond nuclear saturation. Investigating the phase structure of quark matter that might be realized in the core of NS…

Nuclear Theory · Physics 2010-03-04 T. Klahn , C. D. Roberts , D. B. Blaschke , F. Sandin

The state of cold bulk matter at around nuclear density depends on the fundamental strong interaction between quarks at low-energy scale, so-called non-perturbative quantum chromo-dynamics. Such kind of matter is conjectured to be condensed…

High Energy Astrophysical Phenomena · Physics 2015-07-28 Renxin Xu

We assume that, in equilibrium, nuclear matter at reduced density and moderate finite temperature, breaks up into many fragments. A strong support to this assumption is provided by date accumulated from intermediate energy heavy ion…

Nuclear Theory · Physics 2009-10-29 G. Chaudhuri , S. Das Gupta

A description of strange quark matter at finite temperature is given, with emphasis on the inclusion of finite size effects. For massless quarks all thermodynamic quantities can be evaluated analytically, while the case of massive quarks…

High Energy Physics - Phenomenology · Physics 2007-05-23 Dan Moenster Jensen , Jes Madsen

We study the effects of strong magnetic fields on the properties of hyperonic matter. We employ the relativistic mean field theory, which is known to provide excellent descriptions of nuclear matter and finite nuclei. The two additional…

Nuclear Theory · Physics 2009-03-04 P. Yue , F. Yang , H. Shen

Since there are dark matter particles (neutrino) with mass about 10^(-1)eV in the universe, the superstructures with a scale of 10^(19) solar mass [large number A is about 10^(19)] appeared around the era of the hydrogen recombination. The…

Astrophysics · Physics 2016-09-14 Wuliang Huang , Xiaodong Huang