The SELEX Phototube RICH Detector
J. Engelfried (1), I. Filimonov (2), J. Kilmer (1), A. Kozhevnikov, (3), V. Kubarovsky (3), V. Molchanov (3), A. Nemitkin (2), E. Ramberg (1), V., Rud (2), L. Stutte (1) ((1) Fermilab, (2) Moscow State University, (3) IHEP, Serpukhov)
TL;DR
This paper details the design, construction, and performance evaluation of the SELEX RICH detector, which uses a large phototube array to detect Cherenkov radiation in a high-energy physics experiment.
Contribution
It presents the first comprehensive description and performance metrics of the Fermilab SELEX RICH detector with a large phototube matrix and Neon radiator.
Findings
Achieved an N0 of 104/cm in the central region.
Measured a Cherenkov ring radius resolution of 1.6%.
Demonstrated effective detection of Cherenkov photons in a 10m Neon radiator.
Abstract
In this article, construction, operation, and performance of the RICH detector of Fermilab experiment 781 (SELEX) are described. The detector utilizes a matrix of 2848 phototubes for the photocathode to detect Cherenkov photons generated in a 10m Neon radiator. For the central region an N0 of 104/cm, corresponding to 13.6 hits on a beta=1 ring, was obtained. The ring radius resolution measured is 1.6%.
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