Photocathode characterisation for robust PICOSEC Micromegas precise-timing detectors

The PICOSEC Micromegas detector is a precise-timing gaseous detector based on a Cherenkov radiator coupled with a semi-transparent photocathode and a Micromegas amplifying structure, targeting a time resolution of tens of picoseconds for minimum ionising particles. Initial single-pad prototypes have demonstrated a time resolution below σ = 25 ps, prompting ongoing developments to adapt the concept for High Energy Physics applications, where sub-nanosecond precision is essential for event separation, improved track reconstruction and particle identification. The achieved performance is being transferred to robust multi-channel detector modules suitable for large-area detection systems requiring excellent timing precision. To enhance the robustness and stability of the PICOSEC Micromegas detector, research on robust carbon-based photocathodes, including Diamond-Like Carbon (DLC) and Boron Carbide (B 4 C), is pursued. Results from prototypes equipped with DLC and B 4 C photocathodes exhibited a time resolution of σ ≈ 32 ps and σ ≈ 34.5 ps, respectively. Efforts dedicated to improve detector robustness and stability enhance the feasibility of the PICOSEC Micromegas concept for large experiments, ensuring sustained performance while maintaining excellent timing precision.

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Publication Details

Journal
Nuclear Instruments and Methods in Physics Research Section A Accelerators Spectrometers Detectors and Associated Equipment
Published
2024-12-11
DOI
https://doi.org/10.1016/j.nima.2024.170151
Citations
2
Primary Topic
Particle Detector Development and Performance
Type
article
Field-Weighted Citation Impact
1.32

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article

Photocathode characterisation for robust PICOSEC Micromegas precise-timing detectors

M. Lisowska, A. Kallitsopoulou, Emmanuel Scorsone, Yan Meng et al.
2 citations
Nuclear Instruments and Methods in Physics Research Section A Accelerators Spectrometers Detectors and Associated Equipment
Particle Detector Development and Performance
1.32
article

Photocathode characterisation for robust PICOSEC Micromegas precise-timing detectors

M. Lisowska, A. Kallitsopoulou, Emmanuel Scorsone, Yan Meng, F. Brunbauer, M. Pomorski, M. Lupberger, M. van Stenis, L. Ropelewski, D. Janssens, R. Aleksan, R. Veenhof, G. Fanourakis, D. Fiorina, Y. Angelis, K. Gnanvo, S. White, D. Sampsonidis, M. Kovacic, K. J. Floethner, Z. Zhang, H. Müller, T. Schneider, F.J. Iguaz, Jaydeep Datta, B. Kross, L. Scharenberg, Christian P. Robert, G. Orlandini, Cláudıa Ângela Mazıero Volpato, Chung‐Chuan Lai, Xiaogang Wang, P. Vitulo, Junqiu Liu, Yi Zhou, I. M. Maniatis, R. De Oliveira, K. Dehmelt, L. Viezzi, E. Oliveri, S. Ferry, M. Gallinaro, I. Vai, M. Brunoldi, T. Papaevangelou, L. Sohl, Evridki Chatzianagnostou, F. García, A. Utrobicic, G. Tsipolitis, P. Legou, J. Bortfeldt, Anand Pandey, S.E. Tzamarias, W. Xi, J. McKisson, S. Aune, I. Giomataris
article en
2 citations

Abstract

The PICOSEC Micromegas detector is a precise-timing gaseous detector based on a Cherenkov radiator coupled with a semi-transparent photocathode and a Micromegas amplifying structure, targeting a time resolution of tens of picoseconds for minimum ionising particles. Initial single-pad prototypes have demonstrated a time resolution below σ = 25 ps, prompting ongoing developments to adapt the concept for High Energy Physics applications, where sub-nanosecond precision is essential for event separation, improved track reconstruction and particle identification. The achieved performance is being transferred to robust multi-channel detector modules suitable for large-area detection systems requiring excellent timing precision. To enhance the robustness and stability of the PICOSEC Micromegas detector, research on robust carbon-based photocathodes, including Diamond-Like Carbon (DLC) and Boron Carbide (B 4 C), is pursued. Results from prototypes equipped with DLC and B 4 C photocathodes exhibited a time resolution of σ ≈ 32 ps and σ ≈ 34.5 ps, respectively. Efforts dedicated to improve detector robustness and stability enhance the feasibility of the PICOSEC Micromegas concept for large experiments, ensuring sustained performance while maintaining excellent timing precision.

Nuclear Instruments and Methods in Physics Research Section A Accelerators Spectrometers Detectors and Associated EquipmentVol. 1072
University of Science and Technology of China (CN), University of Bonn (DE), The King's College (US), National Technical University of Athens (GR), NTL Institute for Applied Behavioral Science (US), University of Zagreb (HR), Friedrich-Alexander-Universität Erlangen-Nürnberg (DE), National Centre of Scientific Research "Demokritos" (GR), Queen's University (CA), Aristotle University of Thessaloniki (GR), The American College of Greece (GR), University of Pavia (IT), Commissariat à l'Énergie Atomique et aux Énergies Alternatives (FR), Université Paris-Saclay (FR), European Spallation Source (SE), LIP - Laboratory of Instrumentation and Experimental Particle Physics (PT), Helsinki Institute of Physics (FI), Thomas Jefferson National Accelerator Facility (US), Hefei University (CN), Laboratoire d'Intégration des Systèmes et des Technologies (FR), Urology of Virginia (US), Istituto Nazionale di Fisica Nucleare, Sezione di Pavia (IT), Florence (Netherlands) (NL), New York University Florence (IT), Ruđer Bošković Institute (HR), Institut für Urheber- und Medienrecht (DE), CEA Paris-Saclay (FR), Institute of Nuclear and Particle Physics (GR), Laboratoire de Mesure du Carbone 14 (FR), Abiola Ajimobi Technical University Ibadan (NG), Institut de Recherche sur les Lois Fondamentales de l'Univers (FR), University of Florence (IT), University of Virginia (US), Stony Brook University (US), European Organization for Nuclear Research (CH), Ludwig-Maximilians-Universität München (DE)
U.S. Department of Energy, CERN, Agence Nationale de la Recherche, National Natural Science Foundation of China, Commissariat à l'Énergie Atomique et aux Énergies Alternatives, Université Paris-Saclay, Office of Science, Fundação para a Ciência e a Tecnologia, Nuclear Physics
Openalex Percentile: Top 11%
Particle Detector Development and Performance
1.32
DOIOpen Access PDFOpenAlex
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