Some aspects of the Standard Model in gravitational backgrounds with torsion

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Torsion appears in a natural way in modern formulations of the gravitational theories. In this work we study several aspects of the interplay between the Standard Model and a classical gravitational background with torsion. In particular we consider the problem of the gauge and gravitational anomalies, B and L anomalies, the effective action for the torsion and the propagation of electromagnetic radiation in the presence of torsion.