Performance of an AGATA asymmetric detector

Performance of an AGATA asymmetric detector
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AGATA 非对称探测器的性能

DOI:
10.1016/j.nima.2009.01.228
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发表时间:
2009
期刊:
Accelerators, Spectrometers, Detectors and Associated Equipment
影响因子:
--
通讯作者:
Boston A
Boston A
中科院分区:
--
文献类型:
--
作者:
Boston A

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基于高纯度锗晶体(HPGe)的高分辨率伽马射线探测器是实验核科学的关键设备之一。近年来,这种探测器技术的技术发展非常迅速。大体积、高粒度、电分段的高温锗探测器已经实现,并开发了一种利用脉冲形状分析和伽马射线跟踪新技术来提高位置灵敏度的方法。在欧洲建立了合作(先进伽马跟踪阵列(AGATA)) [J]。辛普森,《物理学报》波尔。[B] 36(2005) 1383]和美国(GRETA/GRETINA) [C.W.Beausang,诊断。Instr。和冰毒。B 204(2003)]建造伽马射线跟踪光谱仪。本文讨论了在利物浦大学测试的第一台AGATA非对称探测器的性能。全数字数据采集系统的使用使得探测器电荷脉冲形状可以从一系列明确定义的光子相互作用位置进行分析,从而获得探测器位置灵敏度的重要信息。
High-resolution gamma-ray detectors based on high-purity germanium crystals (HPGe) are one of the key workhorses of experimental nuclear science. The technical development of such detector technology has been dramatic in recent years. Large volume, high-granularity, electrically segmented HPGe detectors have been realised and a methodology to improve position sensitivity using pulse-shape analysis coupled with the novel technique of gamma-ray tracking has been developed. Collaborations have been established in Europe (Advanced GAmma Tracking Array (AGATA)) [J. Simpson, Acta Phys. Pol. B 36 (2005) 1383] and the USA (GRETA/GRETINA) [C.W. Beausang, Nucl. Instr. and Meth. B 204 (2003)] to build gamma-ray tracking spectrometers. This paper discusses the performance of the first AGATA asymmetric detector that has been tested at the University of Liverpool. The use of a fully digital data acquisition system has allowed detector charge pulse shapes from a selection of well-defined photon interaction positions to be analysed, yielding important information on the position sensitivity of the detector.
主题回顾:用于核结构实验的大型逃逸抑制光谱仪阵列
DOI: 10.1088/0954-3899/22/5/003
发表时间: 1996
期刊: Journal of Physics G
影响因子: --
作者:
C. Beausang;J. Simpson
通讯作者: J. Simpson
用于分段锗探测器的 GRT4 VME 脉冲处理卡
DOI: 10.1109/tns.2004.832704
发表时间: 2003
期刊: 2003 IEEE Nuclear Science Symposium. Conference Record (IEEE Cat. No.03CH37515)
影响因子: --
作者:
I. Lazarus;D. Appelbe;A. Boston;P. Coleman;J. Cresswell;M. Descovich;S. Gros;M. Lauer;J. Norman;C. Pearson;V. Pucknell;J. Sampson;G. Turk;J. Valiente
通讯作者: J. Valiente
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DOI: 10.1088/0954-3899/31/10/076
发表时间: 2005
期刊: Journal of Physics G
影响因子: --
作者:
J. Simpson
通讯作者: J. Simpson
DOI: 10.1109/23.256659
发表时间: 1993-08-01
影响因子: 1.8
作者:
GEORGIEV, A;GAST, W
通讯作者: GAST, W
DOI: 10.1016/s0168-583x(02)02148-1
发表时间: 2003
影响因子: 1.3
作者:
C. Beausang
通讯作者: C. Beausang