2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/48370It is shown that $α^2$-term of sum rules for the total cross sections of interaction of elementary atoms with matter ones, obtained in ref.[Denisenko K. and Mrowczynski S., Phys. Rev. D36 (1987) 1529] is wrong. New sum rules valid up to terms of order $α^2$ are derived.3 pagesHigh Energy Physics - PhenomenologySum Rules for Total Interaction Cross Sections of Relativistic Elementary Atoms with Atoms of Matter Up to Terms of Order $α^2$text