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ABSTRACT. Degree work consists 3 parts, 55 pages, 6 figures, 5 tables and 30 literary references.
Degree work consists 3 parts, 55 pages, 6 figures, 5 tables and 30 literary references. Keywords:: Gamiltonian, Lagpanzhian hadrons, covariant quark model, infrared confinement, quark- antikvarknoe interaction potentials mesons lepton decays, nonperturbative method gamiltanian interactions transition form factors, radiative decay, the lepton decay. The objectives of the research: Definition of form factors B (Bs) mesons in the quark model and covariance of X (3872) - meson as a bound state of four quarks - and Tetraquarks - meson. The purpose of this work: To investigate the quark structure and mechanism of the formation of a bound state of X (3872) meson, the definition of the width of its radiative decay, and other characteristics. Calculation of transition form factors across the area of The first transition form factors were calculated in all kinematic region the square of the momentum transfer. It was calculated and the width of the non-leptonic decays. These calculations make it possible to open a new broad direction of theoretical research. The significance of this result is caused by the demands of modern experiments:
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