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Deuteron photodisintegration and quark models
Physical Review C, 1990We have examined the behavior of the forward-to-backward ratio {ital R} of the cross section for the {sup 2}H({gamma},{ital p}){ital n} reaction. The data show a weak dependence of {ital R} on the photon energy and group around a value of 1.5 which agrees with the prediction of a simple quark model.
, De Sanctis E, , Kaidalov, , Kondratyuk
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The nonrelativistic quark model
Uspekhi Fizicheskih Nauk, 1968CONTENTS Introduction I. The Nonrelativistic Quark Model and the Classification of Hadrons 109 II. Mass Formulas in the Quark Model 110 III. Electromagnetic Properties of Hadrons 112 IV. Weak Interactions of Hadrons 115 V. Scattering of High-energy Particles (Description of the Model) 116 VI.
E M Levin, L L Frankfurt
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Heavy-quark mesons in a relativistic quark model
Physical Review D, 1991The Coulomb-gauge QCD Hamiltonian, augmented by a term which produces linear, scalar confinement is used to generate kernels for the bound-state amplitudes and eigenvalues of heavy quarkonium. The model generates all the correct perturbative physics up to order {alpha}{sub {ital s}}{sup 4} and is applied to the {ital c{bar c}} and {ital b{bar b ...
, Zhang, , Koniuk
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Il Nuovo Cimento A, 1978
We propose a simple model for quark fragmentation in the spirit of the fragmentation model, and use it to predict the behaviour of high-energy inclusive spectra near the phase-space boundary.
M. M. Malone, S.-Y. Lo
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We propose a simple model for quark fragmentation in the spirit of the fragmentation model, and use it to predict the behaviour of high-energy inclusive spectra near the phase-space boundary.
M. M. Malone, S.-Y. Lo
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AIP Conference Proceedings, 2002
Chiral quark models are briefly sketched. Then the main question is addressed: Are chiral quark models consistent with the proton spin data? The proton spin fractions of the nonrelativistic quark model (NQM) are improved by chiral field theory. Such chiral models agree with the proton spin data only because the chiral quark‐Goldstone boson couplings ...
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Chiral quark models are briefly sketched. Then the main question is addressed: Are chiral quark models consistent with the proton spin data? The proton spin fractions of the nonrelativistic quark model (NQM) are improved by chiral field theory. Such chiral models agree with the proton spin data only because the chiral quark‐Goldstone boson couplings ...
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Nuclear Physics A, 2000
Abstract The quark-meson hybrid model, in which the quark cluster model for baryon- baryon interactions is supplemented with meson-exchange contributions, is briefly reviewed. Some arguments are given that such a hybrid picture provides us with a simple and efficient way of describing single- and two- baryon systems.
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Abstract The quark-meson hybrid model, in which the quark cluster model for baryon- baryon interactions is supplemented with meson-exchange contributions, is briefly reviewed. Some arguments are given that such a hybrid picture provides us with a simple and efficient way of describing single- and two- baryon systems.
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Physical Review D, 1978
In this paper we report attempts to create simple nonrelativistic potential models of hadrons which have the following properties: hadrons are made of quarks; free quarks do not exist; free hadrons do exist. Models with these properties can be formulated, but none of those so far considered is free from the problem of long-range residual interactions ...
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In this paper we report attempts to create simple nonrelativistic potential models of hadrons which have the following properties: hadrons are made of quarks; free quarks do not exist; free hadrons do exist. Models with these properties can be formulated, but none of those so far considered is free from the problem of long-range residual interactions ...
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Il Nuovo Cimento A, 1969
A generalized quark model that is based on a tower of quarks with all possible spins and parities is suggested. It can accommodate two 2++ resonances at about the same energy and still continue to have some important characteristics of the usual quark model.
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A generalized quark model that is based on a tower of quarks with all possible spins and parities is suggested. It can accommodate two 2++ resonances at about the same energy and still continue to have some important characteristics of the usual quark model.
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2019
Abstract This chapter presents the quark model of hadrons. It discusses the quark description of the quark antiquark systems of c and b quarks. It then describes the structure of the lightest mesons and baryons as bound states of u, d, and s quarks.
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Abstract This chapter presents the quark model of hadrons. It discusses the quark description of the quark antiquark systems of c and b quarks. It then describes the structure of the lightest mesons and baryons as bound states of u, d, and s quarks.
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