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Nucleon Properties Below the Critical Point Temperature
Authors:M Abu-Shady
Institution:1.Department of Mathematics, Faculty of Science,Menoufia University,Menoufia,Egypt
Abstract:In this paper, we extended our work (Abu-Shady, Int. J. Theory Phys. 49:2425, 2010) to include nucleon properties. The field equations have been solved in the mean-field approximation using the effective mesonic potential at finite temperature. We found that the nucleon first mass increases up to \frac45 Tc\frac{4}{5} T_{c} MeV (where T c is the critical point temperature) then decreases at higher values of temperature which approach the critical temperature (T c ). In addition, we found that the magnetic moments of the proton and neutron can be increased by increasing the temperature up to the critical temperature. Moreover, we examined the axial coupling constant g A (0), and the pion-nucleon coupling constant g πNN (0) as functions of temperature. The obtained results are compared with previous works. From the results, we conclude that finite temperature plays a significant role in the change of behavior of nucleon properties.
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