Results 31 to 40 of about 47,883 (261)
Analysis of the pseudoscalar hidden-charm tetraquark states with the QCD sum rules
In this work, we take all the color-antitriplet diquarks, such as the scalar, pseudoscalar, vector, axialvector and tensor diquarks, as the basic constituents to construct the local pseudoscalar four-quark currents without importing the explicit P-waves ...
Zhi-Gang Wang, Qi Xin
doaj +1 more source
Strangeness counting in high energy collisions [PDF]
The estimates of overall strange quark production in high energy e+e-, pp and ppbar collisions by using the statistical-thermal model of hadronisation are presented and compared with previous works.
Becattini F +13 more
core +2 more sources
Strange matter with effective quark masses [PDF]
The properties of strange quark matter at zero temperature are investigated including medium effects. The quarks are considered as quasiparticles which acquire an effective mass generated by the interaction with the other quarks of the dense system. Within this approach we find that these medium effects reduce the binding energy of strange quark matter
Klaus Schertler +2 more
openaire +3 more sources
MOST physicists and astronomers believe that space, time and all the matter and radiation in the universe was formed during the big bang some 15 billion years ago. A key challenge in physics and astronomy – perhaps the ultimate challenge – is to understand how the universe we live in today evolved from the cosmic fireball created in the big bang As our
Johann Rafelski, Emanuele Quercigh
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Correlations between the strange quark condensate, strange quark mass, and kaon PCAC relation [PDF]
9 pages, 6 figures, 1 table. Typo (factor of 1/2 in eq.
D. Harnett, J. Ho, T. G. Steele
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Quark, pion and axial condensates in three-flavor finite isospin chiral perturbation theory
We calculate the light-quark condensate, the strange-quark condensate, the pion condensate, and the axial condensate in three-flavor chiral perturbation theory ( $$\chi $$ χ PT) in the presence of an isospin chemical potential at next-to-leading order at
Prabal Adhikari +2 more
doaj +1 more source
Thermal Evolution and Light Curves of Young Bare Strange Stars [PDF]
The cooling of a young bare strange star is studied numerically by solving the equations of energy conservation and heat transport for both normal and superconducting strange quark matter inside the star.
Ch. Schaab +14 more
core +2 more sources
Strange Quark Stars — A Review [PDF]
A pedagogical overview of strange quark matter and strange stars is presented. After a historical notation of the research and an introduction to quark matter, a major part is devoted to the physics and astrophysics of strange stars, with attention being paid to the possible ways by which neutron stars and strange stars can be distinguished in ...
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On the estimation of the strange quark mass from the experimental data on the light baryon octet
Simple relations connecting the strange quark mass to the splittings of the light hyperon masses were obtained on the basis of the phenomenological quark model compatible with the present-day theory of strong interactions, i.e.
V. A. Babenko, N. M. Petrov
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Strange quark content of the nucleon [PDF]
7 pages, 5 figures, presented at the XXVI International Symposium on Lattice Field Theory (Lattice 2008), Williamsburg, Virginia, July 14-19 ...
Ronald Babich +5 more
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