Precision spectroscopy of pionic atoms and chiral symmetry in nuclei Kenta Itahashi, DeukSoon Ahn, Georg P.A. Berg, Masanori Dozono, Daijiro Etoh, Hiroyuki Fujioka, Naoki Fukuda, Nobuhisa Fukunishi, Hans Geissel, Emma Haettner et al. (35 more) EPJ Web Conf., 130 (2016) 01017 Published online: 29 November 2016 DOI: 10.1051/epjconf/201613001017