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jyoung95
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Simple explanation for non-physicist, please!
The Crystal Barrel detector at ELSA is used to measure the energy and momentum of particles produced in collisions between electrons and protons.
The Crystal Barrel detector is made up of a large cylindrical array of crystals, arranged in a barrel shape around the collision point. These crystals are made of materials such as lead tungstate or sodium iodide, which can detect the particles produced in the collision.
When particles pass through the crystals in the detector, they deposit energy, causing the crystals to emit light. This light is then converted into an electrical signal, which is then amplified and recorded by the detector's electronics.
The Crystal Barrel detector is designed to detect a wide range of particles, including photons, electrons, protons, and neutrons. It can also measure the energy and momentum of these particles with high precision.
The Crystal Barrel detector is an important tool for studying the structure of matter and the fundamental forces that govern the universe. It has been used in a variety of experiments to further our understanding of the subatomic world and the interactions between particles.