A high-efficiency Transition Radiation Detector for high-counting-rate environments

被引：8

作者：

Petrovici, M. ^{[1
]}

Petris, M.

Berceanu, I.

Simion, V.

Bartos, D.

Catanescu, V.

Herghelegiu, A.

Magureanu, C.

Moisa, D.

Radu, A.

Klein-Boesing, M.

Wessels, J. P.

Wilk, A.

Andronic, A.

Garabatos, C.

Simon, R.

Uhlig, F.

机构：

[1] Natl Inst Nucl Phys & Engn, Bucharest, Romania

[2] Univ Munster, D-4400 Munster, Germany

[3] Gesell Schwerionenforsch mbH, Darmstadt, Germany

来源：

NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION A-ACCELERATORS SPECTROMETERS DETECTORS AND ASSOCIATED EQUIPMENT | 2007年 / 579卷 / 03期

关键词：

gaseous detectors; high-counting rate; high efficiency; e/pi discrimination; transition radiation detectors;

D O I：

10.1016/j.nima.2007.06.013

中图分类号：

TH7 [仪器、仪表];

学科分类号：

0804 ; 080401 ; 081102 ;

摘要：

A prototype Transition Radiation Detector (TRD) with a new configuration was built and tested. The prototype consists of two individual multiwire proportional chambers (MWPC) that share a thin common central pad readout electrode. Measurements with a 55 Fe source and e, pi and p of 1.5 GeV/c showed a very good energy, position resolution and a better e/pi discrimination compared to the standard structure with a single MWPC. No significant deterioration of the resolutions is observed up to counting rates of 2 x 105 particles cm(-2) s(-1). These results open the possibility of constructing TRDs with a high e/pi discrimination and granularity even for high-counting rate experiments with a reasonable number of layers. (c) 2007 Elsevier B.V. All rights reserved.

引用

页码：961 / 966

页数：6

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