Meson-nucleon vertex form factors at finite temperature using a soft pion form factor
Ulugbek YakhshievTheoretical Physics Department and Institute of Applied Physics, National University of Uzbekistan, Tashkent-174, UzbekistanA. W. ThomasSpecial Research Centre for the Subatomic Structure of Matter, University of Adelaide, South Australia 5005, AustraliaF. C. KhannaPhysics Department, University of Alberta, Edmonton, Alberta, Canada, T6G 2J1
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Аннотация
The temperature and density dependence of the meson-nucleon vertex form factors is studied in the framework of thermofield dynamics. Results are obtained for two rather different nucleon-nucleon potentials: the usual Bonn potential and the variation with a softer $\ensuremath{\pi}NN$ form factor, due to Holinde and Thomas. In general, the results show only a modest degree of sensitivity to the choice of interaction.
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