Beam test calibration of the balloon-borne imaging calorimeter for the CREAM experiment
P. S. Marrocchesi, H. S. Ahn, M. G. Bagliesi, A. Basti, G. Bigongiari,, A. Castellina, M. A. Ciocci, A. Di Virgilio, T. Lomtatze, O. Ganel, K. C., Kim, M. H. Lee, F. Ligabue, L. Lutz, P. Maestro, A. Malinine, M. Meucci, V., Millucci, F. Morsani, E. S. Seo, R. Sina, J. Wu, J. Wu
TL;DR
This paper details the calibration process of the CREAM balloon-borne imaging calorimeter using beam tests at CERN, focusing on the calibration procedure and preliminary results for cosmic ray measurements.
Contribution
It introduces a calibration method based on longitudinal shower profiles and presents initial beam test results for the calorimeter used in the CREAM experiment.
Findings
Calibration procedure successfully applied to calorimeter
Preliminary beam test results demonstrate detector performance
Method improves accuracy of cosmic ray measurements
Abstract
CREAM (Cosmic Ray Energetics And Mass) is a multi-flight balloon mission designed to collect direct data on the elemental composition and individual energy spectra of cosmic rays. Two instrument suites have been built to be flown alternately on a yearly base. The tungsten/Sci-Fi imaging calorimeter for the second flight, scheduled for December 2005, was calibrated with electron and proton beams at CERN. A calibration procedure based on the study of the longitudinal shower profile is described and preliminary results of the beam test are presented.
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Taxonomy
TopicsDark Matter and Cosmic Phenomena · Particle Detector Development and Performance · Astrophysics and Cosmic Phenomena