Progress on the PICOSEC-Micromegas Detector Development: Towards a precise timing, radiation hard, large-scale particle detector with segmented readout
- Kordas, K.
- Bortfeldt, J.
- Brunbauer, F.
- David, C.
- Desforge, D.
- Fanourakis, G.
- Franchi, J.
- Gallinaro, M.
- García, F.
- Giomataris, I.
- González-Díaz, D.
- Gustavsson, T.
- Guyot, C.
- Iguaz, F.J.
- Kebbiri, M.
- Legou, P.
- Liu, J.
- Lupberger, M.
- Maillard, O.
- Maniatis, I.
- Manthos, I.
- Müller, H.
- Niaouris, V.
- Oliveri, E.
- Papaevangelou, T.
- Paraschou, K.
- Pomorski, M.
- Qi, B.
- Resnati, F.
- Ropelewski, L.
- Sampsonidis, D.
- Schneider, T.
- Schwemling, P.
- Sohl, L.
- van Stenis, M.
- Thuiner, P.
- Tsipolitis, Y.
- Tzamarias, S.E.
- Veenhof, R.
- Wang, X.
- White, S.
- Zhang, Z.
- Zhou, Y.
DOIAbstract
International audienceThis contribution describes the PICOSEC-Micromegas detector which achieves a time resolution below 25 ps. In this device the passage of a charged particle produces Cherenkov photons in a radiator, which then generate electrons in a photocathode and these photoelectrons enter a two-stage Micromegas with a reduced drift region and a typical anode region. The results from single-channel prototypes (demonstrating a time resolution of 24 ps for minimum ionizing particles, and 76 ps for single photoelectrons), the understanding of the detector in terms of detailed simulations and a phenomenological model, the issues of robustness and how they are tackled, and preliminary results from a multi-channel prototype are presented (...
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