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Title: Static properties of hadrons from MIT bag model with interacting quarks
Authors: Rajabi, A A
Issue Date: Feb-2003
Publisher: NISCAIR-CSIR, India
Abstract: An improved MIT bag model is used to calculate the static properties of hadrons containing u,d,s and c quarks. The two key ingredients of the improved model are the effective quark-gluon coupling constant originating from color charge and the quark confinement. In this paper, the authors choose to allow residual interactions to operate so as to go beyond of asymptotic freedom and confinement. In the model used, the valence quarks interact with themselves. The authors calculate the relativistic wave-function for quarks in a scalar-vector QCD potential, analytically. Finally, vanishing of the normal component of vector current at the surface of the baryon as a boundary condition equivalent to confinement results in the static properties and the strength of Coulomb like potential parameter. This depends on the mass parameters, contrary to almost all previous versions. The calculated static properties for baryon is better than in the uncorrected versions of the model. Magnetic moments and charge radii of some hadrons are comparable well with the experiment. The agreement for the magnetic moments is surprisingly good for n, Ʌ, Ʃ-+ .....
Page(s): 89-94
ISSN: 0975-1041 (Online); 0019-5596 (Print)
Appears in Collections:IJPAP Vol.41(02) [February 2003]

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