maXs: Microcalorimeter Arrays for High-Resolution X-Ray Spectroscopy at GSI/FAIR

被引：50

作者：

Pies, C. ^{[1
]}

Schaefer, S. ^{[1
]}

Heuser, S. ^{[1
]}

Kempf, S. ^{[1
]}

Pabinger, A. ^{[1
]}

Porst, J. -P. ^{[1
]}

Ranitsch, P. ^{[1
]}

Foerster, N. ^{[1
]}

Hengstler, D. ^{[1
]}

Kampkoetter, A. ^{[1
]}

Wolf, T. ^{[1
]}

Gastaldo, L. ^{[1
]}

Fleischmann, A. ^{[1
]}

Enss, C. ^{[1
]}

机构：

[1] Univ Heidelberg, Kirchhoff Inst Phys, D-69120 Heidelberg, Germany

来源：

JOURNAL OF LOW TEMPERATURE PHYSICS | 2012年 / 167卷 / 3-4期

关键词：

MMC; Metallic magnetic calorimeters; Low-temperature detectors; X-ray detectors; QED effects in ions; METALLIC MAGNETIC CALORIMETERS;

D O I：

10.1007/s10909-012-0557-z

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

Highly-charged heavy ions like U91+ provide unique conditions for the investigation of relativistic and quantum electrodynamical effects in strong electromagnetic fields. We present two X-ray detectors developed for high-resolution spectroscopy on highly-charged heavy ions. Both detectors consist of metallic magnetic calorimeters (MMCs) forming linear eight-pixel arrays. The first detector, maXs-20, is developed for the detection of X-rays up to 20 keV with an energy resolution below 3 eV. The second device, maXs-200, is designed for X-ray energies up to 200 keV with an energy resolution of 40 eV. The results of characterization measurements of single detectors of both arrays will be shown and discussed. In both cases, the performance of the detectors agrees well with their design values. Furthermore, we present a prototype MMC for soft X-rays with improved magnetic flux coupling. In first characterization measurements the energy resolution of this device was 2.0 eV (FWHM) for X-rays up to 6 keV.

引用

页码：269 / 279

页数：11

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