The AGILE silicon tracker: testbeam results of the prototype silicon detector
The AGILE silicon tracker: testbeam results of the prototype silicon detector
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DOI：
10.1016/s0168-9002(02)01062-8
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发表时间：
2002-09
影响因子：
1.4
通讯作者：
G. Barbiellini;G. Fedel;F. Liello;F. Longo;C. Pontoni;M. Prest;M. Tavani;E. Vallazza
中科院分区：
文献类型：
--
作者：
G. Barbiellini;G. Fedel;F. Liello;F. Longo;C. Pontoni;M. Prest;M. Tavani;E. Vallazza
AGILE（伽马射线天体物理学光成像仪）是一颗小型科学卫星，用于探测能量范围为30 MeV-50 GeV的宇宙伽马射线源，具有非常大的视场（天空的1/4）。计划在2003-2006年期间投入运行，预计在此期间不会有相同能量范围的其他γ射线使命。AGILE科学仪器的核心是一个硅钨跟踪器，由14个单面硅探测器平面组成，共有43000个读出通道。每个探测器的尺寸为9.5×9.5 cm 2，厚度为410 μm。我们在这里提出了一个详细的描述，在2000年5月在欧洲核子研究中心PS的testbeam期间的检测器原型的性能。跟踪器的性能被描述在位置分辨率和信号噪声比轴上和离轴入射带电粒子。在大范围入射角下测得的40 μm分辨率将为宇宙γ射线成像提供优异的角分辨率。
AGILE (Light Imager for Gamma-ray Astrophysics) is a small scientific satellite for the detection of cosmic γ-ray sources in the energy range 30 MeV –50 GeV with a very large field of view (1/4 of the sky). It is planned to be operational in the years 2003–2006, a period in which no other γ-ray mission in the same energy range is foreseen. The heart of the AGILE scientific instrument is a silicon–tungsten tracker made of 14 planes of single sided silicon detectors for a total of 43000 readout channels. Each detector has a dimension of 9.5×9.5 cm2and a thickness of 410 μm . We present here a detailed description of the performance of the detector prototype during a testbeam period at the CERN PS in May 2000. The Tracker performance is described in terms of position resolution and signal-to-noise ratio for on and off-axis incident charged particles. The measured 40 μm resolution for a large range of incident angles will provide an excellent angular resolution for cosmic γ-ray imaging.