Light-Cone Quark Model Analysis of Pseudoscalar and Vector Mesons for Radially Excited States

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Title: Light-Cone Quark Model Analysis of Pseudoscalar and Vector Mesons for Radially Excited States
Author: Arndt, Daniel
Advisors: Dr. Chueng-Ryong Ji, Chair
Dr. Stephen R. Cotanch, Member
Dr. Eric S. Swanson, Member
Abstract: We present a relativistic constituent quark model to analyze the mass spectrum and hadronic properties of radially excited u and d quark sector mesons.Using a simple Gaussian function as a trial wave function for the variational principle together with a QCD motivated Hamiltonian, including not only the Coulomb and confining potential but also a relativistic corrected hyperfine interaction term, we obtain the mass spectrum consistent with the experimental data. To do the same for several observables such as decay constants and form factors it seems necessary to include bothDirac and Pauli form factors on the level of constituent quarks. Taking into account these quark form factors we thus present the generalized formulas for the rho meson decay constant and the rho meson form factors as well asthe $\pi\gamma$ transition form factor. We alsopredict several hadronic properties for the radially excited states.
Date: 1999-05-26
Degree: MS
Discipline: Physics
URI: http://www.lib.ncsu.edu/resolver/1840.16/146


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