Tracking with 40 x 40 cm2 MICROMEGAS detectors in the high energy, high luminosity COMPASS experiment

被引:9
|
作者
Magnon, A [1 ]
Ball, J [1 ]
Bedfer, Y [1 ]
Delagnes, E [1 ]
Kunne, F [1 ]
Le Goff, JM [1 ]
Lehar, F [1 ]
Marchand, C [1 ]
Miéville, A [1 ]
Neyret, D [1 ]
Pereira, H [1 ]
Platchkov, S [1 ]
Rebourgeard, P [1 ]
Tarte, G [1 ]
Thers, D [1 ]
机构
[1] CEA Saclay, SPhN, DAPNIA, F-91191 Gif Sur Yvette, France
关键词
tracking detectors; spectrometers;
D O I
10.1016/S0168-9002(01)01759-4
中图分类号
TH7 [仪器、仪表];
学科分类号
0804 ; 080401 ; 081102 ;
摘要
Large size 40 x 40 cm(2) gaseous microstrip MICROMEGAS detectors are used for the charged particle tracking in the COMPASS experiment at CERN. The commissioning was performed using a 160 GeV muon beam of up to 1.5 x 10(8) particles per SPS spill. Position resolution of less than or equal to70 mum and timing resolution of less than or equal to 10 its are achieved. A printed circuit board of 60 x 120 cm(2) surface and 100 mum thickness allows to move the front-end electronics components outside of the spectrometer acceptance, hence keeping the amount of material within acceptance minimum. These detectors fulfill the stringent requirements of the COMPASS spectrometry. (C) 2002 Elsevier Science B.V. All rights reserved.
引用
收藏
页码:210 / 214
页数:5
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