Charged particle timing at sub-25 picosecond precision : The PICOSEC detection concept

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Iguaz , F J , Bortfeldt , J , Brunbauer , F M , David , C , Desforge , D , Fanourakis , G , Franchi , J , Gallinaro , M , Garcia , F , Giomataris , I , González-Díaz , D , Gustavsson , T , Guyot , C , Kebbiri , M , Legou , P , Liu , J , Lupberger , M , Maillard , O , Manthos , I , Muller , 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 2019 , ' Charged particle timing at sub-25 picosecond precision : The PICOSEC detection concept ' , Nuclear Instruments & Methods in Physics Research. Section A: Accelerators, Spectrometers, Detectors, and Associated Equipment , vol. 936 , pp. 515-518 . https://doi.org/10.1016/j.nima.2018.08.070

Title: Charged particle timing at sub-25 picosecond precision : The PICOSEC detection concept
Author: Iguaz, F.J.; Bortfeldt, J.; Brunbauer, Florian M.; David, C.; Desforge, D.; Fanourakis, G.; Franchi, J.; Gallinaro, M.; Garcia, F.; Giomataris, I.; González-Díaz, D.; Gustavsson, T.; Guyot, C.; Kebbiri, M.; Legou, P.; Liu, J.; Lupberger, Michael; Maillard, O.; Manthos, I.; Muller, H.; Niaouris, V.; Oliveri, E.; Papaevangelou, Th.; Paraschou, K.; Pomorski, M.; Qi, B.; Resnati, F.; Ropelewski, L.; Sampsonidis, D.; Schneider, Thomas; Schwemling, P.; Sohl, L.; van Stenis, M.; Thuiner, Patrik; Tsipolitis, Y.; Tzamarias, S.E.; Veenhof, R.; Wang, X.; White, S.; Zhang, Z.; Zhou, Y.
Contributor: University of Helsinki, Helsinki Institute of Physics
Date: 2019-08-21
Language: eng
Number of pages: 4
Belongs to series: Nuclear Instruments & Methods in Physics Research. Section A: Accelerators, Spectrometers, Detectors, and Associated Equipment
ISSN: 0168-9002
URI: http://hdl.handle.net/10138/318481
Abstract: The PICOSEC detection concept consists in a “two-stage” Micromegas detector coupled to a Cherenkov radiator and equipped with a photocathode. A proof of concept has already been tested: a single-photoelectron response of 76 ps has been measured with a femtosecond UV laser at CEA/IRAMIS, while a time resolution of 24 ps with a mean yield of 10.4 photoelectrons has been measured for 150 GeV muons at the CERN SPS H4 secondary line. This work will present the main results of this prototype and the performance of the different detector configurations tested in 2016-18 beam campaigns: readouts (bulk, resistive, multipad) and photocathodes (metallic+CsI, pure metallic, diamond). Finally, the prospects for building a demonstrator based on PICOSEC detection concept for future experiments will be discussed. In particular, the scaling strategies for a large area coverage with a multichannel readout plane, the R&D on solid converters for building a robust photocathode and the different resistive configurations for a robust readout.
Subject: 114 Physical sciences
Picosecond timing
MPGD
Micromegas
Photocathodes
Timing algorithms
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