Analysis of simulated and measured pulse shapes of closed-ended HPGe detectors

被引：34

作者：

Kroll, T

Peter, I

Elze, TW

Gerl, J

Happ, T

Kaspar, M

Schaffner, H

Schremmer, S

Schubert, R

Vetter, K

Wollersheim, HJ

机构：

[1] GESELL SCHWERIONENFORSCH MBH,GSI,D-64220 DARMSTADT,GERMANY

[2] UNIV FRANKFURT,INST KERNPHYS,D-60486 FRANKFURT,GERMANY

来源：

NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION A-ACCELERATORS SPECTROMETERS DETECTORS AND ASSOCIATED EQUIPMENT | 1996年 / 371卷 / 03期

关键词：

D O I：

10.1016/0168-9002(95)01017-3

中图分类号：

TH7 [仪器、仪表];

学科分类号：

0804 ; 080401 ; 081102 ;

摘要：

A program for simulating pulse shapes of HPGe detectors has been developed taking into account the closed-ended geometry as well as multiple interactions of gamma-rays. Good agreement between simulated and experimentally determined pulse shapes is achieved. From a detailed investigation of risetime distributions a method to determine the radial coordinate of the first point of interaction has been substantiated. For a large Ge detector with 70 mm diameter a radial resolution of 4 to 8 mm has been obtained. This method, combined with segmentation of the detector, reduces the Doppler broadening of gamma-lines significantly.

引用

收藏

页码：489 / 496

页数：8

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