Results 31 to 40 of about 728 (182)
On the estimation of the strange quark mass from the experimental data on the light baryon octet
Ядерна фізика та енергетика, 2018 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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Quark, pion and axial condensates in three-flavor finite isospin chiral perturbation theory
European Physical Journal C: Particles and Fields, 2021 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
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STRANGENESS PRODUCTION IN A CONSTITUENT QUARK MODEL [PDF]
Quark-Gluon Plasma and Heavy Ion Collisions, 2002 7 pages, 3 figures, Proceedings of the GISELDA Meeting held in Frascati, 14-18 January ...
BECATTINI, FRANCESCO, PETTINI, GIULIO
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Physics World, 2000 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
Emanuele Quercigh, Johann Rafelski
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Recent progresses in strange quark stars
Frontiers in Astronomy and Space SciencesAccording to the hypothesis that strange quark matter may be the true ground state of matter at extremely high densities, strange quark stars should be stable and could exist in the Universe. It is possible that pulsars may actually be strange stars, but
Xiao-Li Zhang +3 more
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Consistency between SU(3) and SU(2) covariant baryon chiral perturbation theory for the nucleon mass
Physics Letters B, 2017 Treating the strange quark mass as a heavy scale compared to the light quark mass, we perform a matching of the nucleon mass in the SU(3) sector to the two-flavor case in covariant baryon chiral perturbation theory.
Xiu-Lei Ren +5 more
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Strange and charmed quarks in the nucleon [PDF]
Physical Review D, 1997 We discuss the general method of the calculation of the nucleon matrix elements of an operator associated with nonvalence quarks. The method is based on the QCD sum rules and low energy theorems. As an application of these considerations, we calculate the strange quark matrix element as well as the momentum distribution of the strangeness in the ...
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Heavy hadrons spectra on lattice using NRQCD
EPJ Web of Conferences, 2018 Comparison of radial excitation energies to masses show that the velocity of b quark is very non-relativistic in bottomonium states. In a mixed system like charmed B meson, the b quark has less velocity than it has in bottomonium states and in strange B ...
Mohanta Protick, Basak Subhasish
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Strange quark matter theory [PDF]
Journal of Physics G: Nuclear and Particle Physics, 2003 Theory summary talk given at Strange Quark Matter 2003 Conference, March 12-17, 2003, Atlantic Beach, NC, USA. (LateX 19 pages, 15 postscript figures.)
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