7-Module beam test D. Attié, P. Colas, W. Wang, M. Dixit, P. Hayman, A. Robichaud, T. Maerschalk, J. Timmermans. I’m here to present a TPC review LCTPC WP Phone Meeting #158 September 13, 2012

LCTPC WP phone meeting #158 Summary of the tests   S S P S S PS September 13, 2012 LCTPC WP phone meeting #158

LCTPC WP phone meeting #158 Metallic dust issue ~4 mm September 13, 2012 LCTPC WP phone meeting #158

LCTPC WP phone meeting #158 Endplate gaps Distance: ~ 3 mm Detector sides are grounded Field distorsion !? 3.2 mm September 13, 2012 LCTPC WP phone meeting #158

LCTPC WP phone meeting #158 Nice cosmic events September 13, 2012 LCTPC WP phone meeting #158

LCTPC WP phone meeting #158 Last run: 100 first events September 13, 2012 LCTPC WP phone meeting #158

Data taking program (B=1T) Commissioning (pedestals, cosmics): 100 kevts Z scan: 300 kevts Z = 0 ; 0.5 ; 1 ; 2.5 ; 5 ; 10 ; 15 ; 20 ; 25 ; 30 ; 35 ; 40 ; 45 ; 50 ; 55 ; 57 cm E = 140 ; 230 V/cm Gain scan: 100 kevts V = 330 ; 340 ; 350 ; 360 ; 370 ; 380 ; 390 X and  scans at E=230 V/cm: 200+250 kevts X every 2 mm Z = 5 ; 30 cm Peaking time scan: 30 kevts September 13, 2012 LCTPC WP phone meeting #158

LCTPC WP phone meeting #158 Next steps After installation, everything worked fine (106 events taken) smoothly Connections between FECs and detector PCB need to be improved Other minor improvements have to be done 4 more detectors have been produced by Cern and have to be tested, the last one will be produced during the next weeks Data analysis is in progress within MarlinTPC framework September 13, 2012 LCTPC WP phone meeting #158