Relativistic transport theory for N, Δ and N*(1440) system
Guangjun Mao, L. Neise, H. Stöcker, W. Greiner
Abstract
A self-consistent relativistic Boltzmann-Uehling-Uhlenbeck equation for the N*(1440) resonance is developed based on an effective Lagrangian of baryons interacting through mesons. The equation is consistent with that of nucleon's and delta's which we derived before. Thus, we obtain a set of coupled equations for the N, Δ and N*(1440) distribution functions. All the N*(1440)-relevant in-medium two-body scattering cross sections within the N, Δ and N*(1440) system are derived from the same effective Lagrangian in addition to the mean field and presented analytically. Medium effects on the cross sections are discussed.
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