Aerogel mass production for the CLAS12 RICH: Novel characterization methods and optical performance

M. Contalbrigo, I. Balossino, L. Barion, A. Yu Barnyakov, G. Battaglia, A. F. Danilyuk, A. A. Katcin, E. A. Kravchenko, M. Mirazita, A. Movsisyan, D. Orecchini, L. L. Pappalardo, S. Squerzanti, S. Tomassini, M. Turisini

Research output: Contribution to journalArticlepeer-review

5 Citations (Scopus)

Abstract

A large area ring-imaging Cherenkov detector has been designed to provide clean hadron identification capabilities in the momentum range from 3 GeV/c to 8 GeV/c for the CLAS12 experiments at the Jefferson Lab upgraded 12 GeV continuous electron beam accelerator facility. The adopted solution foresees a novel hybrid optics design based on an aerogel radiator, composite mirrors and densely-packed and highly-segmented photon detectors. Cherenkov light will either be imaged directly (forward tracks) or after two mirror reflections (large angle tracks). The status of the aerogel mass-production and the assessment studies of the aerogel optical performance are here reported.

Original languageEnglish
Pages (from-to)168-172
Number of pages5
JournalNuclear Instruments and Methods in Physics Research, Section A: Accelerators, Spectrometers, Detectors and Associated Equipment
Volume876
DOIs
Publication statusPublished - 21 Dec 2017

Keywords

  • Aerogel
  • Cherenkov detector
  • Optical characterization
  • Proximity-focusing RICH

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