Thursday 20 March 2025
Scientists have been working on a new type of detector that can capture the energy and timing of particles in a way that’s never been seen before. This detector, known as the Timing Semi-Digital Hadronic Calorimeter (T-SDHCAL), has the potential to revolutionize our understanding of high-energy physics.
The T-SDHCAL is designed to be used at future colliders, such as the International Linear Collider (ILC) or the Circular Electron Positron Collider (CEPC). These colliders will produce incredibly powerful particles that scientists can study to learn more about the fundamental nature of the universe. However, these particles are extremely rare and fleeting, making it difficult for detectors to capture their energy and timing accurately.
The T-SDHCAL solves this problem by using a type of detector called a multigap resistive plate chamber (MGRPC). These detectors use thin layers of material to detect the particles as they pass through. The MGRPCs are arranged in a series of gaps, which allows them to measure not only the energy but also the timing of each particle.
The T-SDHCAL is an improvement over previous detectors because it can capture the energy and timing of particles with much higher accuracy. This is thanks to its use of advanced electronics and sophisticated algorithms that allow it to distinguish between different types of particles.
One of the key challenges in building the T-SDHCAL was developing a way to read out the data from the MGRPCs quickly enough. Scientists used a special type of chip called the PETIROC, which is designed specifically for high-speed data acquisition. This chip allows the detector to capture data at rates of up to 1000 particles per second.
The T-SDHCAL has been tested using beams of particles at CERN’s PS and SPS accelerators. The results have shown that it can accurately measure the energy and timing of particles with much higher accuracy than previous detectors.
The implications of this new detector are significant. It will allow scientists to study high-energy physics in greater detail, which could lead to a deeper understanding of the fundamental forces of nature. Additionally, the T-SDHCAL could be used to detect rare events that have never been seen before, such as the decay of hypothetical particles.
The next step for the T-SDHCAL is to continue testing and refining it. Scientists will work to optimize its performance and develop new algorithms to analyze the data it collects.
Cite this article: “Revolutionary Timing Semi-Digital Hadronic Calorimeter Set to Transform High-Energy Physics Research”, The Science Archive, 2025.
Timing Semi-Digital Hadronic Calorimeter, High-Energy Physics, Particle Detectors, Collider, International Linear Collider, Circular Electron Positron Collider, Multigap Resistive Plate Chamber, Petiroc Chip, Data Acquisition, Particle







