高能辐射闪烁光纤望远镜(SIFTER)光束测试装置的模拟与初步结果

1998 IEEE Nuclear Science Symposium Conference Record. 1998 IEEE Nuclear Science Symposium and Medical Imaging Conference (Cat. No.98CH36255) Pub Date : 1998-11-08 DOI:10.1109/NSSMIC.1998.775234

R. Kippen, G. Pendleton, R. Mallozzi, G. Richardson, P. Hink, W. Binns, M. Israel, K. Rielage, J. Buckley, G. Fishman, T. Parnell, M. Christl, R. Wilson, T. Koshut

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引用次数: 0

摘要

闪烁光纤高能辐射望远镜(SIFTER)是一种用于高能(E>10 MeV)伽玛射线天文学的大面积仪器概念。它利用了细(/spl sim/1 mm/sup 2/)塑料闪烁光纤技术在对跟踪器/量热计望远镜中的应用。在我们正在进行的SIFTER研究中，我们开发了一种小型测试设备，由12个光纤平面组成，每个光纤平面的潜在有效面积为10cm /spl倍/ 10cm，上面覆盖着薄钽箔转换器。该装置已在托马斯·杰斐逊国家加速器实验室B厅标记伽马射线设备上用高能光子(/spl sim/0.5-1.6 GeV)进行了测试。我们报告了初步的波束测试结果，重点比较了仪器性能的详细蒙特卡罗模拟，包括轨道重建，角分辨率和检测效率。

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Simulations and preliminary results from the SIFTER (scintillating fiber telescope for energetic radiation) beam test apparatus

The Scintillating Fiber Telescope for Energetic Radiation (SIFTER) is a large-area instrument concept for high-energy (E>10 MeV) gamma-ray astronomy. It takes advantage of the technology of fine (/spl sim/1 mm/sup 2/) plastic scintillating fibers in the context of a pair tracker/calorimeter telescope. In our on-going SIFTER research, we have developed a small test apparatus, consisting of 12 fiber planes, each with a potential active area of 10 cm/spl times/10 cm covered with a thin tantalum foil converter. This apparatus has been tested with high-energy photons (/spl sim/0.5-1.6 GeV) at the Thomas Jefferson National Accelerator Laboratory Hall B tagged gamma-ray facility. We report on the preliminary beam test results, concentrating on comparisons with detailed Monte Carlo simulations of the instrument performance, including track reconstruction, angular resolution and detection efficiency.

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1998 IEEE Nuclear Science Symposium Conference Record. 1998 IEEE Nuclear Science Symposium and Medical Imaging Conference (Cat. No.98CH36255)

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