Finite Temperature effects on baryon transport scattering in the early Universe
Abstract
We have computed finite temperature corrections to the electron-hadron scattering cross sections. These are based upon the renormalized electron mass and the modified density of states due to the presence of a background thermal bath. It is found that the electron-hadron thermal transport scattering cross section can be much larger than the zero temperature one. In the case of electron-neutron transport scattering, we find σne(T) / σne (T=0) 5 at T 0.1 MeV.
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