Relativistic effects in neutrino-Fermi gas interactions
  We study neutrino interactions in a hadron gas within a relativistic framework. The hadron matter is described by a non-interacting Fermi gas in beta equilibrium. We show that the introduction of relativistic effects causes a sizable enhancement of the neutrino-scattering cross sections. 
K. Vantournhout, N. Jachowicz and J. Ryckebusch