Summa, AUlyanov, AKromer, MBoyer, SRöpke, F KSim, Stuart ASeitenzahl, I. R.Fink, MMannheim, KPakmor, RCiaraldi-Schoolmann, FDiehl, RMaeda, KeiichiHillebrandt, Wolfgang2015-12-130004-6361http://hdl.handle.net/1885/72975Context. Although the question of progenitor systems and detailed explosion mechanisms still remains a matter of discussion, it is commonly believed that Type Ia supernovae (SNe Ia) are production sites of large amounts of radioactive nuclei. Even thoughKeywords: Gamma rays: generals; Gamma-ray diagnostics; Line: formation; Nuclear reactions , nucleosynthesis , abundances; Radiative transfer simulations; Space observatories; Supernovae: general; Three-dimensional modeling; Chemical elements; Explosions; Gamma rays Gamma rays: general; Hydrodynamics; Line: formation; Nuclear reactions, nucleosynthesis, abundances; Radiative transfer; Supernovae: general201310.1051/0004-6361/2012209722016-02-24