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arXiv physics/9904010physics.ins-dethep-ex
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雪崩光电二极管在scintillator瓦-光纤系统读出中的应用

Application of avalanche photodiodes as a readout for scintillator tile-fiber systems

C. Cheshkov, G. Georgiev, E. Gouchtchine, L. Litov, I. Mandjoukov, V. Spassov

摘要:

本文研究了穿透型雪崩光电二极管(R 'APD)作为闪烁体探测器的应用。由嵌入闪烁体中的WLS光纤(直径为0.84mm和1 mm)收集的光通过透明光纤和光学连接器传输到APD的0.5mm 2有源表面。使用低噪声电荷敏感型三极管(约400电子等效噪声电荷)来获得光电二极管信号。在欧洲核子研究中心(CERN)的等离子体加速器(SPS)上,利用宇宙μ子和μ子束研究了适合于CMS和LHCb实验的瓦纤维系统的各种构型。为了优化APD的性能,在-10 ℃到+25 ℃的温度范围内进行了测量。已经估计了MIP检测效率和电子/MIP分离,以确定用于LHCb预喷射器的读出的适用性。

英文摘要:

The application of reach-through avalanche photodiodes (R'APD) as a photodetector for scintillator tiles has been investigated. The light collected by WLS fibers (0.84mm and 1mm diameter) embedded in the scintillator has been transmited to the 0.5mm2 active surface of APD by clear optical fibers and optical connectors. A low noise charge sensitive preamplifier (approximately 400 electrons equivalent noise charge) has been used to gain the photodiode signal. Various configurations of tile-fibre systems, suitable for CMS and LHCb experiments at LHC have been studied using cosmic muons and muon beam at SPS at CERN. In order to optimize the performance of APD, measurments in the temperature range from -10C to +25C have been done. The MIP detection efficiency and electron/MIP separation have been estimated in order to determine applicability of the readout for LHCb preshower.

机构、总结、中文摘要均由AI分析而来,可能存在错误,请以论文正文为准。

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