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Cryogenic particle detector
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<p>Cryogenic particle detectors operate at very low temperature, typically only a few degrees above <a href="/facts/Absolute_zero/U3UyPl2K">absolute zero</a>. These <a href="/facts/Sensors/RN8SXbjs">sensors</a> interact with an energetic <a href="/facts/Elementary_particle/CTFDM97U">elementary particle</a> (such as a <a href="/facts/Photon/mFNhAEzA">photon</a>) and deliver a signal that can be related to the type of particle and the nature of the interaction. While many types of particle detectors might be operated with improved performance at <a href="/facts/Cryogenics/cw7dHAkp">cryogenic</a> temperatures, this term generally refers to types that take advantage of special effects or properties occurring only at low temperature. </p>