Calibration of the CREAM-I calorimeter
Y.S. Yoon, H.S. Ahn, M.G. Bagliesi, G. Bigongiari, O. Ganel, J.H. Han,, J.A. Jeon, K.C. Kim, M.H. Lee, L.Lutz, P. Maestro, A. Malinin, P.S., Marrocchesi, S. Nam, I.H. Park, N.H. Park, E.S. Seo, R. Sina, J. Wu, J. Yang,, R. Zei, S.Y. Zinn
TL;DR
This paper discusses the calibration process of the CREAM-I calorimeter, used to measure cosmic-ray spectra, emphasizing beam test data to evaluate energy measurement uncertainties.
Contribution
It presents calibration techniques and uncertainty assessments for the CREAM-I calorimeter based on beam test data.
Findings
Calibration achieved with beam test data
Uncertainty estimates for energy measurements
Extended exposure during first flight
Abstract
The Cosmic Ray Energetics And Mass (CREAM) calorimeter is designed to measure the spectra of cosmic-ray particles over the energy range from ~10^11 eV to ~10^15 eV. Its first flight as part of the CREAM-I balloon-borne payload in Antarctica during the 2004/05 season resulted in a recordbreaking 42 days of exposure. Calorimeter calibration using various beam test data will be discussed in an attempt to assess the uncertainties of the energy measurements.
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Taxonomy
TopicsDark Matter and Cosmic Phenomena · Particle Detector Development and Performance · Radiation Therapy and Dosimetry