ARGUS VERTEX DRIFT CHAMBER.

被引：0

作者：

Edwards, K.W. ^{[1
]}

Frisken, W.R. ^{[1
]}

Gilkinson, D.J. ^{[1
]}

Goddard, M. ^{[1
]}

Kapitza, H. ^{[1
]}

Kutschke, R. ^{[1
]}

MacFarlane, D.B. ^{[1
]}

Padley, P. ^{[1
]}

Yoon, T.-S. ^{[1
]}

Yun, J.C. ^{[1
]}

机构：

[1] Inst of Particle Physics, Can, Inst of Particle Physics, Can

来源：

Nuclear instruments and methods in physics research | 1986年 / A252卷 / 2-3期

关键词：

PARTICLE BEAM TRACKING - PHYSICS - High Energy;

D O I：

暂无

中图分类号：

学科分类号：

摘要：

This contribution describes the design and the performance of the ARGUS vertex drift chamber. Since spring 1985 it has operated successfully in the high background environment of the DORIS II storage ring. The chamber is filled with pure CO//2 at a pressure of 1. 5 bar. The spatial resolution, as obtained from Bhabha events, is about 50 mu m over a large region of the drift cell. The data from the vertex drift chamber has considerably improved the precision of the measured parameters for charged tracks. Consequently the reconstruction efficiency for secondary vertices from K//S**0 and LAMBDA decays is greatly enhanced, especially in the region close to the beam line.

引用

页码：384 / 386

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