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Aerogel Cherenkov detectors in colliding beam experimentsa G.K. Boreskov Institute of Catalysis, Siberian Branch of the Russian Academy of Sciences, prosp. akad. Lavrenteva 5, Novosibirsk, 630090, Russian Federation b Novosibirsk State University, ul. Pirogova 2, Novosibirsk, 630090, Russian Federation c Budker Institute of Nuclear Physics, Siberian Branch of the Russian Academy of Sciences, prosp. akad. Lavrenteva 11, Novosibirsk, 630090, Russian Federation d Novosibirsk State Technical University, pr. K. Marksa 20, Novosibirsk, 630092, Russian Federation This review discusses the application of aerogel Cherenkov detectors in colliding beam experiments. Such detectors are used for charged particle identification at velocities at which other methods are ineffective. The paper examines aerogel production technology and how the aerogel optical parameters are measured. Data on threshold Cherenkov counters with direct light collection and on those using wavelength shifters are presented. Also presented are data on Ring Image Cherenkov detectors with single and multilayer focusing aerogel radiators.
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