Gamma camera based on PSPMT

ZENG Haining YAN Shikui WANG Zhaomin WANG Yonggang WANG Congrong XU Zizong

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Gamma camera based on PSPMT

更新时间：2021-03-12

- Gamma camera based on PSPMT
- NUCLEAR TECHNIQUES Issue 2, (2001)
- 作者机构：
  
  中国科学技术大学近代物理系,合肥,230026
- 作者简介：
- 基金信息：
  
  国家自然科学基金!（19775045）资助
- DOI：
  CLC： TL812
- Published：01 February 2001
- 稿件说明：
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[1]曾海宁,严世奎,汪兆民,王永纲,王从容,许咨宗.基于位置灵敏光电倍增管的小型γ相机[J].核技术,2001(02):118-121.

ZENG Haining YAN Shikui WANG Zhaomin WANG Yonggang WANG Congrong XU Zizong. Gamma camera based on PSPMT[J]. Nuclear techniques, 2001, (2): 118-121.
[1]曾海宁,严世奎,汪兆民,王永纲,王从容,许咨宗.基于位置灵敏光电倍增管的小型γ相机[J].核技术,2001(02):118-121. DOI：

ZENG Haining YAN Shikui WANG Zhaomin WANG Yonggang WANG Congrong XU Zizong. Gamma camera based on PSPMT[J]. Nuclear techniques, 2001, (2): 118-121. DOI：

摘要

描述了一套基于位置灵敏光电倍增管（ＰＳＰＭＴ）的小型γ相机系统的建立与测试。该系统由ＰＳＰＭＴ、整体式Ｎａｌ（Ｔｌ）晶体、平行孔铅准直器和电子学系统构成，其对５７Ｃｏ（１２２ｋｅＶ）江源 γ射线的能量分辨率为２７％；对于２ｍｍ直径铅准直孔的空间分辨率（ＦＷＨＭ）约为４ｍｍ。测试结果表明，这种γ相机在小视野放射性显影方面与传统γ相机相比有其优越性。

Abstract

A. r .camera based on Position Sensitive Photomultiplier Tube (PSPMT) has been set up and tested. The system comprised a PSPMT

a plane NaI(T1) crystal

a parallel collimator and DAQ system. The energy resolution for 57Co (122keV) wad 27%

and the spacial resolution (FWHM.) was ~ 4mm for 2mm diameter aperture. The result showed that this type of gamma camera was superior to the standard anger camera.

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