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65 papers · 1 filter
Four-Quark States and Nucleon-Antinucleon Annihilation within the Quark Model with Instanton Induced Interaction
A. E. Dorokhov, N. I. Kochelev, Yu. A. Zubov
The spectrum of mesons is discussed. We have shown that due to instanton - induced forces the physical states are strong mixtures of the group…
To the problem of 1/Nc approximation in the Nambu-Jona-Lasinio model
D. Ebert, M. Nagy. M. K. Volkov
In this article, the gap equation for the constituent quark mass in the U(2)*U(2) Nambu-Jona-Lasinio model for the 1/Nc approximation is investigated. It is shown that taking into…
Abundant phi-Meson Production in pbar-p Annihilation at Rest and Strangeness in the Nucleon
J. Ellis, M. Karliner, D. E. Kharzeev +1
A large apparent violation of the OZI rule has recently been found in many channels in pbar-p annihilation LEAR. An interpretation of these data in terms of the "shake-out" and "re…
DECAY
S. I. Eidelman, E. A. Kuraev, Z. K. Silagadze
The decay modes and are considered in the framework of the low energy effective chiral Lagrangian. The obtained values of the decay width…
Hamiltonian Formalism for Black Holes and Quantization
Marco Cavaglia`, Vittorio de Alfaro, Alexandre T. Filippov
Starting from the Lagrangian formulation of the Einstein equations for the vacuum static spherically symmetric metric, we develop a canonical formalism in the radial variable t…
Spin-Momentum Correlation (Handedness) in the Process of Four Pions Production in the Electron-Positron Collisions
E. L. Bratkovskaya, E. A. Kuraev, Z. K. Silagadze +1
We discuss special type of polarization asymmetry (``handedness") in the process , when one of initial particles is longitudinally polarized. The asymmetry is proport…