ARGON PURIFICATION IN THE LIQUID-PHASE

被引：37

作者：

CENNINI, P

CITTOLIN, S

DUMPS, L

PLACCI, A

REVOL, JP

RUBBIA, C

FORTSON, L

PICCHI, P

CAVANNA, F

MORTARI, GP

VERDECCHIA, M

CLINE, D

MURATORI, G

OTWINOWSKI, S

WANG, H

ZHOU, M

BETTINI, A

CASAGRANDE, F

CASOLI, P

CENTRO, S

DAINESE, B

DEVECCHI, C

PEPATO, A

PIETROPAOLO, F

ROSSI, P

SUZUKI, S

VENTURA, S

BENETTI, P

CALLIGARICH, E

DOLFINI, R

BERZOLARI, AG

MAURI, F

MAZZONE, L

MONTANARI, C

PIAZZOLI, A

RAPPOLDI, A

RASELLI, GL

SCANNICCHIO, D

PERIALE, L

机构：

[1] INFN, LAB NAZL FRASCATI, FRASCATI, ITALY

[2] UNIV AQUILA, DIPARTIMENTO FIS, COPPITO, ITALY

[3] UNIV AQUILA, INFN, COPPITO, ITALY

[4] UNIV CALIF LOS ANGELES, DEPT PHYS, LOS ANGELES, CA 90024 USA

[5] UNIV PADUA, DIPARTIMENTO FIS, I-35100 PADUA, ITALY

[6] UNIV PADUA, INFN, I-35100 PADUA, ITALY

[7] UNIV PAVIA, DIPARTIMENTO FIS, I-27100 PAVIA, ITALY

[8] UNIV PAVIA, INFN, I-27100 PAVIA, ITALY

[9] CNR, ICGF, TURIN, ITALY

来源：

NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION A-ACCELERATORS SPECTROMETERS DETECTORS AND ASSOCIATED EQUIPMENT | 1993年 / 333卷 / 2-3期

关键词：

D O I：

10.1016/0168-9002(93)91209-6

中图分类号：

TH7 [仪器、仪表];

学科分类号：

0804 ; 080401 ; 081102 ;

摘要：

In the R&D programme for the ICARUS experiment, we have developed a practical procedure to purify liquid argon in the liquid phase. Extreme purity is obtained, corresponding to an electronegative impurity concentration below 0.1 ppb of O2 equivalent. This corresponds to an electron lifetime in the range of several milliseconds equivalent to attenuation length of a few metres. The procedure has been tested up to flows of the order of 1000 litres of liquid per hour. The new technique makes it possible to operate very large amounts of ultrapure liquid argon as foreseen for the multikiloton ICARUS experiment at Gran Sasso.

引用

页码：567 / 570

页数：4

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