${}^{26}$Al gamma rays from the Galaxy with INTEGRAL/SPI

Moritz M. M. Pleintinger, Roland Diehl, Thomas Siegert +2

The presence of radioactive ${}^{26}$Al at 1.8 MeV reflects ongoing nucleosynthesis in the Milky Way. Diffuse emission from its decay can be measured with gamma-ray telescopes in spa…