The CLAS12 Ring Imaging Cherenkov detector

M Contalbrigo,H Avakian,P Bonneau,T Lemon,S Tomassini,F Benmokhtar,I Balossino,M Mirazita,D Orecchini,B Raydo,L Barion,C Cuevas,A Yegneswaran,G Angelini,R Malaguti,K Hafidi,A Kim,P Musico,P Rossi,V Lucherini,R Perrino,V Kubarovsky,K Bailey,A Movsisyan,C Dickover,E Cisbani,Connor Pecar ,L L Pappalardo ,K S Joo ,Thomas P O’connor ,W K Brooks ,Matteo Turisini ,R A Montgomery ,Pavel Degtiarenko ,W J Briscoe

doi:10.1016/j.nima.2020.163791

The CLAS12 Ring Imaging Cherenkov detector

M Contalbrigo, H Avakian + Show 33 more

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https://doi.org/10.1016/j.nima.2020.163791

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Journal: Nuclear instruments & methods in physics research. Section A, Accelerators, spectrometers, detectors and associated equipment	Publication Date: Mar 13, 2020
Citations: 13	License type: publisher-specific-oa

Affiliation: University of Ferrara, INFN Sezione di Ferrara, Thomas Jefferson National Accelerator Facility, Duquesne University, National Laboratory of Frascati, Argonne National Laboratory, INFN Sezione di Roma I, Istituto Superiore di Sanità, George Washington University, University of Connecticut, Federico Santa María Technical University

#Ring Imaging Cherenkov #CLAS12 Spectrometer + Show 8 more

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Abstract

A ring imaging Cherenkov (RICH) detector has been installed in the CLAS12 spectrometer at Jefferson Laboratory (JLab) to provide kaon identification in the momentum range between 3 GeV/c and 8 GeV/c. The detector adopts a hybrid optics solution with aerogel radiator, light planar and spherical mirrors, and highly segmented photon detectors. We report here on the design, construction, and initial performance of the RICH during the commissioning of the detector and the first physics data taking period.

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