The imaginary part of the nucleon self-energy in hot nuclear matter
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The imaginary part of the nucleon self-energy in hot nuclear matter

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The imaginary part of the nucleon self-energy in hot nuclear matter

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Álvarez Ruso, Luis; Fernández de Córdoba, Pedro; Oset Báguena, Eulogio Perfil
Aquest document és un/a article, creat/da en: 1996
A semiphenomenological approach to the nucleon self-energy in nuclear matter at finite temperatures is followed. It combines elements of Thermo Field Dynamics for the treatment of finite temperature with a model for the self-energy, which evaluates the second order diagrams taking the needed dynamics of the NN interaction from experiment. The approach proved to be accurate at zero temperature to reproduce Im(Sigma) and other properties of nucleons in matter. In the present case we apply it to determine Im(Sigma) at finite temperatures. An effective NN cross section is deduced which can be easily used in analyses of heavy ion reactions.

    Álvarez Ruso, Luis Fernández de Córdoba, Pedro Oset Báguena, Eulogio 1996 The imaginary part of the nucleon self-energy in hot nuclear matter Nuclear Physics A 606 3-4 407 420
http://dx.doi.org/10.1016/0375-9474(96)00179-0
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