Feasibility of high-voltage systems for a very long drift in liquid argon TPCs

被引：9

作者：

Horikawa, S. ^{[1
]}

Badertscher, A. ^{[1
]}

Kaufmann, L. ^{[1
]}

Laffranchi, M. ^{[1
]}

Marchionni, A. ^{[1
]}

Messina, M. ^{[1
]}

Natterer, G. ^{[1
]}

Rubbia, A. ^{[1
]}

机构：

[1] ETH, Inst Particle Phys, CH-8093 Zurich, Switzerland

来源：

1ST INTERNATIONAL WORKSHOP TOWARDS THE GIANT LIQUID ARGON CHARGE IMAGING EXPERIMENT | 2011年 / 308卷

关键词：

D O I：

10.1088/1742-6596/308/1/012027

中图分类号：

TH7 [仪器、仪表];

学科分类号：

0804 ; 080401 ; 081102 ;

摘要：

Designs of high-voltage (HV) systems for creating a drift electric field in liquid argon TPCs are reviewed. In ongoing experiments systems capable of similar to 100 kV are realised for a drift field of 0.5-1 kV/cm over a length of up to 1.5 m. Two of them having different approaches are presented: the ICARUS-T600 detector having a system consisting of an external power supply, HV feedthroughs and resistive voltage degraders and the ArDM-1t detector having a cryogenic Greinacher HV multiplier inside the liquid argon volume. For a giant scale liquid argon TPC, a system providing 2 MV may be required to attain a drift length of similar to 20 m. Feasibility of such a system is evaluated by extrapolating the existing designs.

引用

页数：8

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