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The liquid-gas phase transition in strange hadronic matter is reexamined by using the new parameters about the $\Lambda - \Lambda$ interaction deduced from recent observation of $^{6}_{\Lambda\Lambda}He$ double hypernucleus. The extended…

Nuclear Theory · Physics 2007-05-23 Li Yang , Shao Yu Yin , Wei Liang Qian , Ru-keng Su

We are at the verge of a new impact from hypernuclear experiments planned or already operative at various laboratories all over the world. The complementary of these different experimental approaches to hypernuclei provides a wide basis for…

Nuclear Experiment · Physics 2015-03-17 Josef Pochodzalla

The improved quark mass density- dependent model, which has been successfully used to describe the properties of both finite nuclei and bulk nuclear matter, is extended to include the strange quark. The parameters of the model are…

Nuclear Theory · Physics 2012-07-03 Chen Wu , Yu-Gang Ma , Wei-Liang Qian , Ru-Keng Su

The complete form of the equation of state of strangeness rich proto-neutron and neutron star matter has been obtained. The currently obtained lower value of the Lambda Lambda potential at the level of 5 MeV permits the existence of…

Nuclear Theory · Physics 2011-07-19 Ilona Bednarek , Ryszard Manka

The properties of warm dilute alpha-nucleon matter are studied in a variational approach in the Thomas-Fermi approximation starting from an effective two-body nucleon-nucleon interaction. The equation of state, symmetry energy,…

Nuclear Theory · Physics 2015-03-19 S. K. Samaddar , J. N. De

Ultra-fast laser experiments yield increasingly reliable data on warm-dense matter (WDM), but rely on entrenched simplistic theoretical models. We re-analyze two topical experiments, avoiding (i) {\it ad hoc} core-repulsion models, (ii)…

Materials Science · Physics 2017-04-10 L. Harbour , M. W. C. Dharma-wardana , D. D. Klug , L. J. Lewis

Available Skyrme parametrizations with hyperons are examined from the point of view of their suitability for applications to neutron stars. It is shown that the hyperons can attenuate or even remove the problem of ferromagnetic instability…

Nuclear Theory · Physics 2009-11-10 L. Mornas

The properties of strange hadronic matter are studied in the context of the modified quark-meson coupling model using two substantially different sets of hyperon-hyperon ($YY$) interactions. The first set is based on the Nijmegen hard core…

Nuclear Theory · Physics 2016-09-08 I. Zakout , H. R. Jaqaman , H. Steocker , W. Greiner

We analyse dark matter in most general form of effective field theory approach. To examine the interactions between weakly interacting massive particles(WIMPs) and Standard Model (SM) particles, we use the six-dimensional EFT mediated by…

High Energy Physics - Phenomenology · Physics 2023-05-05 Ayşe Elçiboğa Kuday , Ferhat Özok , Erdinç Ulaş Saka

We discuss recent results for the equation of state for cold and dense strongly interacting matter. We consider the extreme cases of very high densities, where weak-coupling approaches may in principle give reasonable results, and very low…

Nuclear Theory · Physics 2007-05-23 E. S. Fraga , Y. Hatta , R. D. Pisarski , J. Schaffner-Bielich

We provide an equation of state for high density supernova matter by applying a momentum-dependent effective interaction. We focus on the study of the equation of state of high-density and high-temperature nuclear matter containing leptons…

Nuclear Theory · Physics 2009-09-22 Ch. C. Moustakidis

In this paper we present a physics model for the interactions of stable heavy hadrons containing a heavy parton with matter. The model presented is a natural continuation of the work started in hep-ex/0404001. However, changes and…

High Energy Physics - Phenomenology · Physics 2008-11-26 Rasmus Mackeprang , Andrea Rizzi

In the proposed model with interaction between dark energy and dark matter, we consider cosmological scenarios with different equations of state ($w_d$) for dark energy. For both constant and variable equation of state, we analyze solutions…

General Relativity and Quantum Cosmology · Physics 2017-10-18 Supriya Pan , German S. Sharov

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 investigate the equation of state of hadronic matter at finite values of baryon density and temperature reachable in high energy heavy ion collisions. The analysis is performed by requiring the Gibbs conditions on the global conservation…

Nuclear Theory · Physics 2010-05-19 A. Lavagno

The likely presence of $\Lambda$ baryons in dense hadronic matter tends to soften the equation of state to an extend that the observed heaviest neutron stars are difficult to explain. We analyze this "hyperon problem" with a…

Nuclear Theory · Physics 2015-08-26 Paulo F. Bedaque , Andrew W. Steiner

We study certain physical observables of isoscalar heavy baryons using potential models based on hadronic degrees of freedom. The goal is to compare these results with those from an effective theory obtained in a combined heavy quark and…

Nuclear Theory · Physics 2016-09-08 Z. Aziza Baccouche , Thomas D. Cohen

A light fermionic weakly interacting massive particle (WIMP) dark matter is investigated by studying its minimal renormalizable model, where it requires a scalar mediator to have an interaction between the WIMP and standard model particles.…

High Energy Physics - Phenomenology · Physics 2019-09-04 Shigeki Matsumoto , Yue-Lin Sming Tsai , Po-Yan Tseng

Recent developments and pending issues in low-energy strong interaction physics with strangeness are summarized. Chiral SU(3) effective field theory has progressed as the appropriate theoretical framework applied to antikaon- and…

Nuclear Theory · Physics 2015-06-23 Wolfram Weise

The problems of simple elementary weakly interacting massive particles (WIMPs) appeal to extend the physical basis for nonbaryonic dark matter. Such extension involves more sophisticated dark matter candidates from physics beyond the…

High Energy Physics - Phenomenology · Physics 2019-04-30 Vitaly Beylin , Maxim Yu. Khlopov , Vladimir Kuksa , Nikolay Volchanskiy
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