Backgrounds and pulse shape discrimination in the ArDM liquid argon TPC. Issue 12 (10th December 2018) - Calvo, J.; Cantini, C.; Crivelli, P.; Daniel, M.; Luise, S. Di; Gendotti, A.; Horikawa, S.; Molina-Bueno, L.; Montes, B.; Mu, W.; Murphy, S.; Natterer, G.; et al.