Low-background X-ray detection with Micromegas for axion research

被引：2

作者：

Garcia, J. A. ^{[1
]}

Dafni, T. ^{[1
]}

Diago, A. ^{[1
]}

Ferrer-Ribas, E. ^{[2
]}

Galan, J. ^{[2
]}

Gardikiotis, A. ^{[3
]}

Giomataris, I.

Garza, J. G. ^{[1
]}

Iguaz, F. J. ^{[1
]}

Irastorza, I. G. ^{[1
]}

Ortega, I. ^{[1
]}

Papaevangelou, T. ^{[2
]}

Rodriguez, A. ^{[1
]}

Tomas, A. ^{[1
]}

Vafeiadis, T. ^{[4
]}

Yildiz, S. C. ^{[5
]}

机构：

[1] Univ Zaragoza, Lab Fis Nucl & Altas Energias, Zaragoza, Spain

[2] IRFU, CEA, Gif Sur Yvette, France

[3] Univ Patras, Dept Phys, GR-26110 Patras, Greece

[4] CERN, Geneva, Switzerland

[5] Dogus Univ, Istanbul, Turkey

来源：

SIXTH SYMPOSIUM ON LARGE TPCS FOR LOW ENERGY RARE EVENT DETECTION | 2013年 / 460卷

基金：

欧洲研究理事会;

关键词：

READOUT;

D O I：

10.1088/1742-6596/460/1/012003

中图分类号：

O57 [原子核物理学、高能物理学];

学科分类号：

070202 ;

摘要：

We have studied low-background techniques in order to improve the background level for Micromegas detectors. These detectors are good candidates for rare event searches thanks to the low mass and the radiopurity of the materials used in the construction; moreover they have good discrimination capabilities. The motivation of these studies is the reduction of the background level in the CAST experiment where three of the four detectors operating currently are Micromegas of the microbulk type. The last result of the experience acquired in low-background techniques has been the reduction of the background level by a factor 4.5 for two detectors in the CAST experiment, corresponding to an improvement of a factor 2 in signal strength.

引用

页数：7

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