MoMEMta, a modular toolkit for the Matrix Element Method at the LHC Sébastien Brochet, Christophe Delaere, Brieuc François, Vincent Lemaître, Alexandre Mertens, Alessia Saggio, Miguel Vidal Marono and Sébastien Wertz Eur. Phys. J. C, 79 2 (2019) 126 Published online: 11 February 2019 DOI: 10.1140/epjc/s10052-019-6635-5