The new double energy-velocity spectrometer VERDI Kaj Jansson, Marc Olivier Frégeau, Ali Al-Adili, Alf Göök, Cecilia Gustavsson, Franz-Josef Hambsch, Stephan Oberstedt and Stephan Pomp EPJ Web Conf., 146 (2017) 04016 Published online: 13 September 2017 DOI: 10.1051/epjconf/201714604016