Gamma-ray spectroscopy of positron annihilation in the Milky Way
Thomas Siegert, Roland Diehl, Gerasim Khachatryan, Martin G. H. Krause, Fabrizia Guglielmetti, Jochen Greiner, Andrew W. Strong and Xiaoling Zhang
A&A, 586 (2016) A84
DOI: https://doi.org/10.1051/0004-6361/201527510
