vol. 6, p. 785 (37 pages)
•abstract
A general introduction to coloured quark models is given and their phenomenology is described with particular reference to the new particles. It is shown that there are essentially three types of colour models with colour excitation when the colour group is SU(3) — Han–Nambu, Greenberg and a model which has the same charges as that of Tati and which can be thought of as the (Gell–Mann colour scheme with excitation of the colour degrees of freedom. Particular attention is paid to the four problems of colour models for \(\psi \) phenomenology — the radiative decays, the \(G\) parity conservation, the lack of deep inelastic thresh- old phenomena and the apparent discovery of dileptons at SPEAR.
direct link to the full text (pdf)
https://www.actaphys.uj.edu.pl/R/6/11/785/pdf
link to the articles list
https://www.actaphys.uj.edu.pl/R/6/11/785
cite as
Acta Phys. Pol. B 6, 785 (1975)
vol. 6, p. 823 (7 pages)
•abstract
If preliminary experimental results on the new particles are confirmed (primarily the \(\psi \eta \) decay cf the \(\psi ^{\prime }\)), and if conventional theoretical prejudices are accepted, it is shown that Harari’s SU(6) model is the minimal \(N\)-quark model (with hidden color) which can accommodate these constraints.
direct link to the full text (pdf)
https://www.actaphys.uj.edu.pl/R/6/11/823/pdf
link to the articles list
https://www.actaphys.uj.edu.pl/R/6/11/823
cite as
Acta Phys. Pol. B 6, 823 (1975)
vol. 6, p. 831 (19 pages)
•abstract
This article surveys the theoretical and experimental developments in the search for a transformation between current and constituent quarks.
direct link to the full text (pdf)
https://www.actaphys.uj.edu.pl/R/6/11/831/pdf
link to the articles list
https://www.actaphys.uj.edu.pl/R/6/11/831
cite as
Acta Phys. Pol. B 6, 831 (1975)
vol. 6, p. 851 (14 pages)
•abstract
Recent developments in the problem of the Melosh transformation for interacting quarks are discussed.
direct link to the full text (pdf)
https://www.actaphys.uj.edu.pl/R/6/11/851/pdf
link to the articles list
https://www.actaphys.uj.edu.pl/R/6/11/851
cite as
Acta Phys. Pol. B 6, 851 (1975)
vol. 6, p. 865 (28 pages)
•abstract
The M.I.T. bag model for hadron structure is reviewed.
direct link to the full text (pdf)
https://www.actaphys.uj.edu.pl/R/6/11/865/pdf
link to the articles list
https://www.actaphys.uj.edu.pl/R/6/11/865
cite as
Acta Phys. Pol. B 6, 865 (1975)
vol. 6, p. 893 (13 pages)
•abstract
We discuss the origin of inter-hadronic forces in the M.I.T. bag model and are led to consider a method of quantisation in which the boundary of the bag is a quantum variable.
direct link to the full text (pdf)
https://www.actaphys.uj.edu.pl/R/6/11/893/pdf
link to the articles list
https://www.actaphys.uj.edu.pl/R/6/11/893
cite as
Acta Phys. Pol. B 6, 893 (1975)
vol. 6, p. 907 (11 pages)
•abstract
A model of coloured quarks interacting through non Abelian vector gauge potentials is analyzed. Conditions are described under which the self consistently determined quark mass equals infinity. A covariant bound state equation for color singlet mesons is derived which is three dimensional. The Regge trajectories predicted by such a model cannot rise indefinitely.
direct link to the full text (pdf)
https://www.actaphys.uj.edu.pl/R/6/11/907/pdf
link to the articles list
https://www.actaphys.uj.edu.pl/R/6/11/907
cite as
Acta Phys. Pol. B 6, 907 (1975)
vol. 6, p. 919 (25 pages)
•abstract
Contents: 1. Introduction, 2. The quantum action, A. Definitions, B. Approximate calculation, 3. Quantum meaning of static classical fields, A. Stability criteria and the zero frequency mode, B. Explicit examples, C. The first quantum correction, D. Quantum reinterpretation, E. Canonical quantization, F. Additional aspects of the theory in one dimension, 4. Quantum meaning of time dependent classical fields, A. Soliton solutions of classical field equations, B. WKB method for field theoretic bound states, C. WKB method for field theoretic scattering states, 5. Prospects for the theory.
direct link to the full text (pdf)
https://www.actaphys.uj.edu.pl/R/6/11/919/pdf
link to the articles list
https://www.actaphys.uj.edu.pl/R/6/11/919
cite as
Acta Phys. Pol. B 6, 919 (1975)
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