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arxiv: 1003.5753 · v1 · submitted 2010-03-30 · 🌌 astro-ph.IM · astro-ph.HE

Energy cross-calibration from the first CREAM flight: transition radiation detector versus calorimeter

P. Maestro , H.S. Ahn , P.S. Allison , M.G. Bagliesi , J.J. Beatty , G. Bigongiari , P.J. Boyle , T.J. Brandt
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J.T. Childers N.B. Conklin S. Coutu M.A. DuVernois O. Ganel J.H. Han H.J. Hyun J.A. Jeon K.C. Kim J.K. Lee M.H. Lee L. Lutz P.S. Marrocchesi A. Malinine S. Minnick S.I. Mognet S. Nam S. Nutter H. Park I.H. Park N.H. Park E.S. Seo R. Sina S. Swordy S.P. Wakely J. Wu J. Yang Y.S. Yoon R. Zei S.Y. Zinn
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keywords energydetectorcalorimetercreamcross-calibrationfirstindependentinstrument
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The Cosmic Ray Energetics And Mass (CREAM) balloon experiment had two successful flights in 2004/05 and 2005/06. It was designed to perform energy measurements from a few GeV up to 1000 TeV, taking advantage of different detection techniques. The first instrument, CREAM-1, combined a transition radiation detector with a calorimeter to provide independent energy measurements of cosmicraynuclei. Each detector was calibrated with particle beams in a limited range of energies. In order to assess the absolute energy scale of the instrument and to investigate the systematic effects of each technique, a cross-calibration was performed by comparing the two independent energy estimates on selected samples of oxygen and carbon nuclei.

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