E. Alemanno, A. P. Caricato, M. Catalano, G. Chiodini, M. Corrado, G. Fiore, M. Martino, R. Perrino, C. Pinto, S. Spagnolo for the DIAPIX collaboration Measurements and simulations of diamond detector response to radioactive sources V. Bellini, M. Capogni, E. Cisbani, S. Colilli, R. De Leo, R. De Oliveira, V. De Smet, R. Fratoni, F. Giuliani, M. Gricia, L. Lagamba, F. Librizzi, M. Lucentini, F. Mammoliti, S. Minutoli, P. Musico, F. Noto, R. Perrino, F. Santavenere, C. Sutera and the Hall A Collaboration GEM tracker for high luminosity experiments at the JLab Hall A G. Fiore, L. Lagamba, R. Perrino Gas distribution and control of the GEM tracker for Super Big Bite spectrometer of JLab Hall A