CREAM量热计在加速器束流试验中的性能
Performance of the CREAM calorimeter in accelerator beam test
摘要：
CREAM量热计是一个20辐射长度（X0）的深度取样量热计，设计用于测量从1 TeV到1000 TeV的宇宙射线核的光谱。量热计由20层钨和20层膨胀光纤带组成，前面是一对石墨相互作用靶，提供约0.42质子相互作用长度（λint）。量热计被放置在CERN的SPS加速器束中进行校准和测试。使用150 GeV电子束进行校准，并使用各种电子，质子和核碎片束来测试探测器的模拟模型。在本文中，我们讨论的性能的量热计在电子束和比较电子束数据与模拟结果。
英文摘要：
The CREAM calorimeter, designed to measure the spectra of cosmic-ray nuclei from under 1 TeV to 1000 TeV, is a 20 radiation length (X0) deep sampling calorimeter. The calorimeter is comprised of 20 layers of tungsten interleaved with 20 layers of scintillating fiber ribbons, and is preceded by a pair of graphite interaction targets providing about 0.42 proton interaction lengths (λint). The calorimeter was placed in one of CERN's SPS accelerator beams for calibration and testing. Beams of 150 GeV electrons were used for calibration, and a variety of electron, proton, and nuclear fragment beams were used to test the simulation model of the detector. In this paper we discuss the performance of the calorimeter in the electron beam and compare electron beam data with simulation results.
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