Test of the GEM Front Tracker for the SBS Spectrometer at Jefferson Lab F. Mammoliti, V. Bellini, E. Cisbani, F. Librizzi, P. Musico, F. Noto, R. Perrino and M.C. Sutera EPJ Web of Conferences, 72 (2014) 00015 Published online: 06 May 2014 DOI: 10.1051/epjconf/20147200015