D. Bödeker and M. Sangel, “Lepton asymmetry rate from quantum field theory: NLO in the hierarchical limit”, Journal of Cosmology and Astroparticle Physics, vol. 2017, 2017, : 52.
D. Bödeker and M. Sangel, “Order g(2) susceptibilities in the symmetric phase of the Standard Model”, Journal of Cosmology and Astroparticle Physics, vol. 2015, 2015, pp. 040.