Results 51 to 60 of about 47,782 (131)

Strange matter in compact stars

open access: yesEPJ Web of Conferences, 2018
We discuss possible scenarios for the existence of strange matter in compact stars. The appearance of hyperons leads to a hyperon puzzle in ab-initio approaches based on effective baryon-baryon potentials but is not a severe problem in relativistic mean ...
Klähn Thomas, Blaschke David B.
doaj   +1 more source

Exploring S-wave threshold effects in QCD: A heavy-light approach

open access: yesPhysics Letters B, 2020
QCD exhibits complex dynamics near S-wave two-body thresholds. For light mesons, we see this in the failure of quark models to explain the f0(500) and K0⁎(700) masses. For charmonium, an unexpected X(3872) state appears at the open charm threshold.
Estia Eichten, Ciaran Hughes
doaj   +1 more source

Centrality Dependence of Azimuthal Anisotropy of Strange Hadrons in 200 GeV Au+Au Collisions [PDF]

open access: yes, 2006
Measurements of azimuthal anisotropy for strange and multi-strange hadrons are presented for the first time in their centrality dependence. The high statistics results of v2(pT) allow for a more detailed comparison to hydrodynamical model calculations ...
Adams, John   +6 more
core   +2 more sources

Thermal evolution of the chiral condensate in SU(2) and SU(3) Chiral Perturbation Theory [PDF]

open access: yes, 2002
The temperature evolution of the chiral condensates in a gas made of pions, kaons and etas is studied within the framework of SU(2) and SU(3) Chiral Perturbation Theory.
Pelaez, J. R.
core   +3 more sources

Phase diagram of dense neutral three-flavor quark matter [PDF]

open access: yes, 2007
We study the phase diagram of dense, locally neutral three-flavor quark matter as a function of the strange quark mass, the quark chemical potential, and the temperature, employing a general nine-parameter ansatz for the gap matrix.
Rischke, Dirk-Hermann   +2 more
core  

A Three-Flavor AdS/QCD Model with a Back-Reacted Geometry

open access: yes, 2007
A fully back-reaction geometry model of AdS/QCD including the strange quark is described. We find that with the inclusion of the strange quark the impact on the metric is very small and the final predictions are changed only negligibly.Comment: 10 pages,
C. Csáki   +9 more
core   +1 more source

Behaviour of Quark and Strange Quark Matter for Higher Dimensional Bianchi Type -I Universe in f(R,T) Gravity

open access: yesEast European Journal of Physics
This research paper delves into a thorough examination of the behaviour exhibited by higher dimensional Bianchi Type-I universes, incorporating the presence of quark and strange quark matter within the framework of f(R,T) gravity.
S. Thakre, R.V. Mapari, V.A. Thakare
doaj   +1 more source

Up, down, strange and charm quark masses with Nf=2+1+1 twisted mass lattice QCD

open access: yesNuclear Physics B, 2014
We present a lattice QCD calculation of the up, down, strange and charm quark masses performed using the gauge configurations produced by the European Twisted Mass Collaboration with Nf=2+1+1 dynamical quarks, which include in the sea, besides two light ...
N. Carrasco   +18 more
doaj   +1 more source

Torsional oscillations of strange stars

open access: yesEPJ Web of Conferences, 2014
Strange stars are one of the hypothetical compact stellar objects that can be formed after a supernova explosion. The existence of these objects relies on the absolute stability of strange collapsed quark matter with respect to standard nuclear matter ...
Mannarelli Massimo
doaj   +1 more source

The Strange Prospects for Astrophysics

open access: yes, 2009
The implications of the formation of strange quark matter in neutron stars and in core-collapse supernovae is discussed with special emphasis on the possibility of having a strong first order QCD phase transition at high baryon densities.
A Mezzacappa   +17 more
core   +1 more source

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