Made of plastic doped with fluorescent substance or inorganic materials
Emits light when ionizing particles pass through them[1].
Light is collected by photodetectors (PMT or SiPM[2]). The resulting electrical signal is usually digitized.
Fast response (~ns rise time), easy to use.
Gaseous Detectors
A family of detectors that exploits the effect of electron avalanches in a gas-filled chamber upon ionizing particles passages.
Eg: Geiger tubes, multi-wire proportional chamber[3], time projection chamber.
Micro-mesh gas detectors (micro-megas)[4], resistive plate chambers (RPC), gas electron multiplier (GEM), etc., offer track reconstruction with sub-mm resolution.
Water Cherenkov Detectors
Charged particles that move faster than the light in the water generate the Cerenkov radiation, analogous to the sonic boom.
The event topology of the Cherenkov lights provides information about the direction and type of the particles[5].
Nuclear Emulsion Technique
One of the earliest detection technique, captured pion-to-muon decays, providing crucial evidence for the muon’s discovery.
Automated high-speed nuclear emulsion readout system, combining an optical microscope with the latest computing technologies.
An alternative in muongraphy applications owing to its sub-µm spatial resolution, lightweight, and portable properties[6].
References
Masanori, K., Jpn. J. Appl. Phys., 62, 010503 (2023)
Gundacker, S. & Arjan Heering, A., Phys. Med. Biol., 65, 17TR01 (2020)
