Coulomb breakup of light nuclei in the field of a heavy ion at relativistic collision energies
B. F. IrgazievUzbekistan National University, Tashkent, 700174, UzbekistanSh. A. KalandarovUzbekistan National University, Tashkent, 700174, UzbekistanA. M. MukhamedzhanovCyclotron Institute, Texas A&M University, TX, 77843, USA
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Annotatsiya
A simple method for calculating the amplitude and the cross section for the Coulomb breakup of a light nucleus into two fragments in the field of a heavy ion at relativistic collision energies is proposed on the basis of time-dependent perturbation theory. It is shown that the resulting amplitude for the process in question has a correct nonrelativistic limit. The contribution of the longitudinal component of the Coulomb field of a heavy ion tends to zero in the ultrarelativistic limit. A specific implementation of the method is demonstrated by taking the example of the Coulomb breakup reaction 208Pb(8B, 7Bep)208Pb at various collision energies. The results are found to be in agreement with experimental data.
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