Spectrum of mesons and hyperfine dependence potentials
Publish place: The Physics Society Of Iran، Vol: 6، Issue: 2
Publish Year: 1385
نوع سند: مقاله ژورنالی
زبان: English
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شناسه ملی سند علمی:
JR_PSI-6-2_009
تاریخ نمایه سازی: 30 دی 1397
Abstract:
In most models, mesons consist of quark -antiquark pairs moving in a confining potential. However, it would be interesting to consider the effect of an extra residual interaction by introducing the quark particles which contain a dependent spin and isospin. In the Chiral constituent quark model, the hyperfine part of the potential is provided by the interaction of the Goldstone bosons, which give rise to a spin- and isospin-dependent part that is crucial for the description of the spectrum for energies lower than 1.7 Gev. In this model we have, not only included the confinement potential at large separations but also the color charge as well as hyperfine interaction potentials. This combination of potentials yields meson spectra which are very close to the ones obtained in experiments
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Authors
A A RAJABI
Physics Department, Shahrood University of Technology, PO Box ۳۶۱۵۵-۳۱۶ Shahrood, Islamic Republic of Iran