2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/111357In relativistic heavy ion collisions an exact multipole decomposition of the Lorentz transformed time dependent Coulomb potentials in a coordinate system with equal constant, but opposite velocities of the ions, is obtained for both zero and different from zero impact parameter. The case of large values of $γ$ and the gauge transformation of the interaction removing both the $γ$ dependence and the $\ln b$ dependence are also considered.14 pagesHigh Energy Physics - TheoryNuclear Theorytext