Abstract
Direct evidence of the presence of 44Ti and content of the isotope in the supernova remnant Cassiopeia A are obtained from the analysis of gamma-ray spectrum of the remnant. A significant excess of observational 44Ti volume on predictions of supernova models can be explained as the magnetization effect in the process of explosive nucleosynthesis. The formation of chemical elements is considered accounting for superstrong magnetic fields predicted for supernovae and neutron stars. Using the arguments of nuclear statistical equilibrium, a significant effect of magnetic field on the nuclear shell energy is demonstrated. The magnetic shift of the most tightly “bound” nuclei from the transition metals of iron series to titanium leads to an exponential increase in the portion of 44Ti and, accordingly to a significant excess of the yield of these products of nucleosynthesis.
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