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Spherical GEMs for parallax-free detectors
Serge Duarte Pinto, Matteo Alfonsi, Ian Brock +7
We developed a method to make GEM foils with a spherical geometry. Tests of this procedure and with the resulting spherical \textsc{gem}s are presented. Together with a spherical d…
Progress on large area GEMs
Serge Duarte Pinto, Marco Villa, Matteo Alfonsi +6
In 2008, a triple GEM detector prototype with an area of ~2000 cm2 has been constructed, based on foils of 66*66 cm. GEMs of such dimensions had not been made before, and innovatio…
Making spherical GEMs
Serge Duarte Pinto, Marco Villa, Matteo Alfonsi +7
We developed a method to make GEM foils with a spherical geometry. Tests of this procedure and with the resulting spherical GEMs are presented. Together with a spherical drift elec…