Nucleosynthesis at Strong Magnetization and the Titanium Problemстатья
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Дата последнего поиска статьи во внешних источниках: 3 октября 2019 г.
Аннотация:Ultramagnetized atomic nuclei created in supernova explosions, neutron star mergers, magnetar crusts and heavy ion collisions are considered. It is shown that for field strengths of 0.1–10 teratesla, the linear magnetic response dominates and the Zeeman effect leads to an increase in the binding energy of atomic nuclei with open shells. Considerable increase in a yield of corresponding products of explosive nucleosynthesis is consistent with results of observations. For iron-group nuclei, such a magnetic enhancement of 44Ti yield also implies a significant increase in the fraction of the main titanium isotope 48Ti in the chemical composition of galaxies.