A large liquid xenon time projection chamber for the study of the radiative pion decay

被引：17
作者：
Carugno, G
Bressi, C
Cerdonio, S
Conti, E
Meneguzzo, AT
Onofrio, R
Zanello, D
Beriotto, U
DeBiasia, S
Nicoletto, M
Pedrotta, R
Toniolo, N
机构：
[1] UNIV PADUA,DIPARTIMENTO FIS G GALILEI,PADUA,ITALY
[2] IST NAZL FIS NUCL,SEZ PAVIA,I-27100 PAVIA,ITALY
[3] IST NAZL FIS NUCL,SEZ ROMA 1,ROME,ITALY
[4] UNIV ROMA LA SAPIENZA,DIPARTIMENTO FIS,I-00185 ROME,ITALY
[5] IST NAZL FIS NUCL,LAB NAZL LEGNARO,I-35020 LEGNANO,ITALY
来源：
NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION A-ACCELERATORS SPECTROMETERS DETECTORS AND ASSOCIATED EQUIPMENT | 1996年 / 376卷 / 02期
关键词：
ARGON;
D O I：
10.1016/0168-9002(96)00245-8
中图分类号：
TH7 [仪器、仪表];
学科分类号：
0804 ; 080401 ; 081102 ;
摘要：
A 64 1 liquid xenon TPC has been operated for the detection and measurement of the low energy gamma rays from the decay pi(+) --> mu(+) + nu + gamma. We present a detailed description of the chamber, the readout electronics and data acquisition together with the measurement of the liquid xenon purity and time stability obtained during a period of about two months. The electron lifetime was always longer than 2.7 ms (95% C.L.) and no deterioration of the liquid purity has been observed. Such a purity level and stability have never been previously reported for a large volume liquid xenon chamber, making this technique mature for physical applications.
引用
收藏
页码：149 / 154
页数：6
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