A compact scintillator based position sensitive detector system for gamma ray tracking applications

被引：3
|
作者：
Banerjee, A. [1 ]
Mandal, S. [1 ]
Roy, Pratap [2 ]
Mukhopadhyay, S. [2 ,3 ]
Mukherjee, G. [2 ,3 ]
Kumar, M. [4 ]
Jhingan, A. [4 ]
Palit, R. [5 ]
机构：
[1] Univ Delhi, Dept Phys & Astrophys, Delhi 110007, India
[2] Variable Energy Cyclotron Ctr, 1 AF Bidhannagar, Kolkata 700064, India
[3] HBNI, Training Sch Complex, Mumbai 400094, Maharashtra, India
[4] Inter Univ Accelerator Ctr, Aruna Asaf Ali Marg, New Delhi 110067, India
[5] Tata Inst Fundamental Res, Mumbai 400005, Maharashtra, India
来源：
NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION A-ACCELERATORS SPECTROMETERS DETECTORS AND ASSOCIATED EQUIPMENT | 2019年 / 930卷
关键词：
LYSO; Position sensitive PSPMT; Coincidence mechanism; Gamma ray tracking; Segmented HPGe; LYSO CRYSTALS; SIMULATION;
D O I：
10.1016/j.nima.2019.01.096
中图分类号：
TH7 [仪器、仪表];
学科分类号：
0804 ; 080401 ; 081102 ;
摘要：
A Cerium doped Lutetium Yttrium Orthosilicate (LYSO) crystal based precision gamma detection system has been developed using a position sensitive photomultiplier tube, with minimal pulse processing requirements. The assembly's detailed characterization has been reported in this work. This kind of a setup with a precise spatial resolution can be very useful for scanning high purity germanium detectors that use pulse shape analysis algorithms for signal processing in gamma ray spectroscopy experiments. The highly pure LYSO crystal used here is custom-made and the overall setup including the multi anode readout photomultiplier tube is compact. The system has been tested for energy, timing and position information regarding gamma photons interacting within the crystal using a coincidence mechanism. Position sensitivity has been found to be in the anticipated range of a few millimeters. This kind of a detector can be used in various fields, vis-a-vis, medical imaging, radioactive waste management, nuclear proliferation control, and various applications that deal with precisely identifying and locating radioactivity.
引用
收藏
页码：100 / 104
页数：5
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