Coulomb dissociation at nonrelativistic and relativistic energies

We discuss various characteristics of Coulomb dissociation at low and high bombarding energies by means of model calculations. Sub-Coulomb breakup (of the deuteron) is generally quite well understood in the distorted-wave Born approximation framework. However, problems remain, especially for low energies of the emerging protons. The experimentally observed deviation of (d,p) breakup yields for intermediate ($E_{\mathrm{d}}=56\mathrm{}$ MeV) energy deuterons from the $A^{\frac{1}{3}}$ dependence is tentatively explained in terms of the Coulomb dissociation mechanism. It is shown that the Weizsäcker-Williams and Alder-Winther methods to calculate relativistic $E1\mathrm{}$ excitation cross sections yield the same result.