characterization of the quartz photon intensifying detector (qupid) artin teymourian ucla dark...

Characterization of the QUartz Photon Intensifying Detector (QUPID) Artin Teymourian UCLA Dark Matter Group Dept. of Physics and Astronomy 06/10/2011Artin Teymourian, UCLA2 Overview Dual Phase TPC QUPID Concept QUPID Design Goals Test Systems/Results Support Structure Future DM Experiments Conclusion 06/10/20113Artin Teymourian, UCLA Dual Phase TPC 06/10/20114Artin Teymourian, UCLA Photo Cathode (-6 kV) APD (0 V) Quartz Al coating APD (0 V) Photo Cathode (-6 kV) Made by Synthetic Silica only. QUPID, The QUartz Photon Intensifying Detector 06/10/20115Artin Teymourian, UCLA 06/10/20116Artin Teymourian, UCLA Actual QUPID 7Artin Teymourian, UCLA06/10/2011 QUPID 3 inch R inch R inch XENON10 XENON100 XMASS LUX DarkSide XENON1T MAX, XAX Comparison of Low-radioactive Photon Detectors from Hamamatsu QUPID Design Goals 06/10/2011Artin Teymourian, UCLA8 R8520 Radioactivity30% Total Gain>10 6 Pulse Width~10 ns Transit Time Spread~1 ns The QUPID should be better than standard PMTs in all aspects In addition: Photon Counting Capabilities Good Photocathode Uniformity Good Collection Efficiency Radioactivity PhototubeEffective AreaUnits 238 U 226 Ra 232 Th 40 K 60 Co R cm 2 mBq/cm 2 10 6 >10 5 (>10 6 with amplifier) APD Leakage Current---