PURIFICATION OF LIQUID XENON AND IMPURITY MONITORING FOR A PET DETECTOR

被引：28

作者：

CHEPEL, VY ^{[1
]}

LOPES, MI ^{[1
]}

MARQUES, RF ^{[1
]}

POLICARPO, AJPL ^{[1
]}

机构：

[1] UNIV COIMBRA,DEPT FIS,P-3000 COIMBRA,PORTUGAL

来源：

NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION A-ACCELERATORS SPECTROMETERS DETECTORS AND ASSOCIATED EQUIPMENT | 1994年 / 349卷 / 2-3期

关键词：

D O I：

10.1016/0168-9002(94)91217-3

中图分类号：

TH7 [仪器、仪表];

学科分类号：

0804 ; 080401 ; 081102 ;

摘要：

The purification system and the method of impurity monitoring developed for a positron emission tomography (PET) scanner based on liquid xenon position sensitive detectors are described. The present results show that an attenuation length of the scintillation photons in the liquid of the order of 50 cm can be reached by using only commercial purifiers. Although our preliminary measurements show that a strong electron attachment exists in liquid xenon, the electron attenuation length of 2 cm achieved is sufficient for the PET detectors.

引用

页码：500 / 505

页数：6

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