Non-Gaussian effects of the Saha’s ionization in the early universeL. L. Sales, F. C. Carvalho, E. P. Bento and H. T. C. M. SouzaEur. Phys. J. C, 82 1 (2022) 54DOI: https://doi.org/10.1140/epjc/s10052-022-10003-x