The AMS-02 RICH Imager Prototype - In-Beam Tests with 20 GeV/c per Nucleon Ions -
M. Buenerd, P. Aguayo, M. Aguilar Benitez, L. Arruda, F. Barao, A., Barrau, B. Baret, E. Belmont, J. Berdugo, G. Boudoul, J. Borges, D. Casadei,, J. Casaus, C. Delgado, C. Diaz, L. Derome, L. Eraud, L. Gallin-Martel, F., Giovacchini, P. Goncalves, E. Lanciotti, G. Laurenti
TL;DR
This paper reports on in-beam tests of a prototype AMS Cherenkov RICH imager at CERN, demonstrating its capability to measure charge and velocity of ions with Z from 2 to approximately 45 using a 20 GeV/c per nucleon ion beam.
Contribution
The study presents the first in-beam performance evaluation of the AMS RICH prototype with a broad range of ion charges and various radiators, showcasing its potential for cosmic ray detection.
Findings
Charge resolution across Z=2 to ~45
Velocity beta resolution measurements
Successful operation with different radiators
Abstract
A prototype of the AMS Cherenkov imager (RICH) has been tested at CERN by means of a low intensity 20 GeV/c per nucleon ion beam obtained by fragmentation of a primary beam of Pb ions. Data have been collected with a single beam setting, over the range of nuclear charges 2<Z<~45 in various beam conditions and using different radiators. The charge Z and velocity beta resolutions have been measured.
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Taxonomy
TopicsParticle Detector Development and Performance · Radiation Detection and Scintillator Technologies · Nuclear Physics and Applications