A new assembly technique of full stereo Drift Chamber for high energy physics experiments

Modern High Energy Physics experiments for the search of extremely rare processes require high resolutions (order of 50–200 keV/c) tracking systems for particle momenta in the range of 50–300 MeV/c, dominated by multiple scattering contributions. We will describe a newly developed construction technique for ultra-low mass, high granularity Drift Chambers fulfilling this goal. These techniques have been successfully implemented at INFN-Lecce and University of Salento and are currently being used for the construction of the Drift Chamber of the MEG upgrade experiment.