Dark decay channel analysis (n → χ + e+ e−) with the PERKEO II experimentMichael Klopf, Erwin Jericha, Bastian Märkisch, Heiko Saul, Torsten Soldner and Hartmut AbeleEPJ Web Conf., 219 (2019) 05007DOI: https://doi.org/10.1051/epjconf/201921905007