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Effect of Coherent State of Quarks and Mesons on Hadron Properties
Authors:T. S. T. Aly  M. Rashdan  M. Abu-Shady
Affiliation:(1) Faculty of Science, Helwan University, Helwan, Egypt;(2) Department of Mathematics and Theoretical Physics, Atomic Energy Authority, Cairo, Egypt;(3) Faculty of Science, Menofia University, Menofia, Egypt
Abstract:The effect of coherent state of quarks and mesons on hadron properties has been investigated in a chiral quark model. A new parameter set is derived. A comparison with previous work shows that the properties of the nucleon and delta are greatly improved by increasing the degree of coherent and the sigma-meson mass.
Keywords:linear sigma model  coherent state
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