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  • The CPLEAR detector at CERN
    Adler, R.; Albrecht, W.; Alhalel, T.; Angelopoulos, A.; Aslanides, E.; Backenstoss, G.; Barraca, D.; Behnke, O.; Bennet, J.; Bertin, V.; Bloch, P.; Bonnet, M.; Calzas, A.; Cawley, E.; Charalambous, S.; Chardin, G.; Chertok, M.B.; Cody, A.; Daniel, R.; Dechelette, P.; Dedieu, M.; Dedoussis, S.; Dejardin, M.; Derre, J.; Dijksman, A.; Dodgson, M.; Ealet, A.; Eleftheriadis, C.; Engster, C.; Evangelou, I.; Faravel, L.; Fassnacht, P.; Faure, J.L.; Felder, C.; Ferreira-Marques, R.; Fetscher, W.; Fidecaro, M.; Filipčič, A.; Fuglesang, C.; Gabathuler, E.; Gally, Y.; Gamet, R.; Geiss, D.; Gerber, H.-J.; Go, A.; Gumplinger, P.; Harrison, P.; Harrison, P.F.; Hayman, P.J.; Hazen, E.; Heyes, W.G.; Hollander, R.W.; Hubert, E.; Jansson, K.; Jon-And, K.; Karkour, N.; Kern, J.; Kettle, P.-R.; Klados, T.; Kochowski, C.; Kontek, K.; Lawry, T.; Lecouturier, D.; Le Gac, R.; Leimgruber, F.; Liolios, A.; Mall, U.; Marel, G.; Miller, J.; Nakada, T.; Nanni, F.; Pagels, B.; Papadopoulos, I.; Pelucchi, F.; Philippoussis, K.; Pinto da Cunha, J.; Policarpo, A.; Postma, H.; Rheme, Ch; Rickenbach, R.; Rozaki, E.; Ruf, T.; Sakeliou, L.; Sanders, P.; Schaller, L.A.; Schopper, A.; Schune, P.; Steinacher, M.; Tauscher, L.; Triantis, F.; Tsamouranis, I.; Tschopp, H.; van Eijk, C.W.E.; van Koningsveld, B.; Varner, G.; Verweij, H.; Warner, D.; Watson, E.; Weber, P.; Wolter, M.

    Nuclear instruments & methods in physics research. Section A, Accelerators, spectrometers, detectors and associated equipment, 09/1996, Letnik: 379, Številka: 1
    Journal Article

    The CPLEAR collaboration has constructed a detector at CERN for an extensive programme of CP-, T- and CPT-symmetry studies using K 0 and K 0 produced by the annihilation of p 's in a hydrogen gas target. The K 0 and K 0 are identified by their companion products of the annihilation K ± π ∓ which are tracked with multiwire proportional chambers, drift chambers and streamer tubes. Particle identification is carried out with a liquid Cherenkov detector for fast separation of pions and kaons and with scintillators which allow the measurement of time of flight and energy loss. Photons are measured with a lead/gas sampling electromagnetic calorimeter. The required antiproton annihilation modes are selected by fast online processors using the tracking chamber and particle identification information. All the detectors are mounted in a 0.44 T uniform field of an axial solenoid of diameter 2 m and length 3.6 m to form a magnetic spectrometer capable of full on-line reconstruction and selection of events. The design, operating parameters and performance of the subdetectors are described.