Micro-Drift Chamber as a precise vertex detector for the DIRAC experiment

被引：1

作者：

Dudarev, A. V. ^{[1
]}

Kruglov, V. V. ^{[1
]}

Nikitin, M. V. ^{[1
]}

机构：

[1] Joint Inst Nucl Res, Dubna 141980, Moscow Region, Russia

来源：

NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION A-ACCELERATORS SPECTROMETERS DETECTORS AND ASSOCIATED EQUIPMENT | 2009年 / 607卷 / 02期

关键词：

Vertex detector; Drift chamber; Multiwire chamber; SPECTROMETER;

D O I：

10.1016/j.nima.2009.06.005

中图分类号：

TH7 [仪器、仪表];

学科分类号：

0804 ; 080401 ; 081102 ;

摘要：

A possible use of the Micro-Drift Chamber (MDC) as a high-resolution vertex detector in the upstream part of the DIRAC spectrometer was investigated. Simulations of different MDC layouts were performed with the help of the GARFIELD package. On the basis of the simulation results the optimal chamber geometry and gas mixture were selected. A one-cell prototype was produced and its characteristics were measured at different particle fluxes, various gas pressures and electronics thresholds. The observed data together with the expected MDC coordinate resolution allow this detector to be used in various fields, especially in the DIRAC experiment. (C) 2009 Elsevier B.V. All rights reserved.

引用

页码：394 / 397

页数：4

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