A transition radiation detector for AMS

被引：20

作者：

Siedenburg, T ^{[1
]}

Chung, CH

Fopp, S

García, MF

Karpinski, W

Kirn, T

Lübelsmeyer, K

Orboeck, J

Schael, S

von Dratzig, AS

Schwering, G

Siedling, R

Wallraff, W

Becker, U

Berges, P

Burger, J

Fischer, P

Henning, R

Kounine, A

Koutsenko, V

Scholberg, K

de Boer, W

Hauler, F

Jungermann, L

机构：

[1] Rhein Westfal TH Aachen, Phys Inst, Aachen, Germany

[2] MIT, Cambridge, England

[3] TH Karlsruhe, Inst Expt Kernphys, Karlsruhe, Germany

来源：

NUCLEAR PHYSICS B-PROCEEDINGS SUPPLEMENTS | 2002年 / 113卷

关键词：

D O I：

10.1016/S0920-5632(02)01835-2

中图分类号：

O412 [相对论、场论]; O572.2 [粒子物理学];

学科分类号：

摘要：

For cosmic particle spectroscopy on the International Space Station the AMS experiment will be equipped with a Transition Radiation Detector to improve proton background supression up to 300 GeV. The TRD has 20 layers of fleece radiator with Xe/CO2 proportional-mode straw-tube chambers. They are supported in a conically shaped octagon structure made of CFC-Al-honeycomb. For low power consumption VA analog multiplexers are used as front-end readout. A 20 layer prototype has achieved proton rejections above 100 at 90% electron efficiency for beam energies up to 250 GeV. The detector is under construction at RWTH Aachen, the gas system will be built at MIT, slow-control and DAQ at TH Karlsruhe.

引用

页码：154 / 158

页数：5

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