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Engelfried, J.; Filimonov, I.; Kilmer, J.; Kozhevnikov, A.; Kubarovsky, V.; Molchanov, V.; Nemitkin, A.; Ramberg, E.; Rud, V.; Stutte, L.
Nuclear instruments & methods in physics research. Section A, Accelerators, spectrometers, detectors and associated equipment, 08/1999, Letnik: 433, Številka: 1Journal Article
A RICH detector was used during the 1996/7 fixed target run at Fermilab in experiment E781 — SELEX. The detector utilizes a matrix of 2848 phototubes for the photocathode. The figure of merit, N 0, has been measured to be in excess of 100 cm −1. The ring radius resolution for multitrack events has been measured to be 1.8 mm, which gives K/π separation on a 2 σ level up to a momentum of 165 GeV/ c, and p/π separation up to 320 GeV/ c. We will describe the design of the detector, discuss the stability during operation, and report on achieved results
