THE ZEUS 1ST LEVEL TRACKING TRIGGER

被引：10

作者：

HEATH, GP

FOSTER, B

SHORT, TL

WILSON, SS

LANCASTER, M

SHIELD, PD

WILSON, FF

BILTZINGER, J

DIEKMANN, B

MASS, A

HALSALL, R

MIDDLETON, A

MADANI, S

机构：

[1] UNIV OXFORD,DEPT NUCL PHYS,OXFORD OX1 3RH,ENGLAND

[2] UNIV BONN,INST PHYS,W-5300 BONN 1,GERMANY

[3] RUTHERFORD APPLETON LAB,DIDCOT OX11 0QX,OXON,ENGLAND

来源：

NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION A-ACCELERATORS SPECTROMETERS DETECTORS AND ASSOCIATED EQUIPMENT | 1992年 / 315卷 / 1-3期

关键词：

D O I：

10.1016/0168-9002(92)90741-L

中图分类号：

TH7 [仪器、仪表];

学科分类号：

0804 ; 080401 ; 081102 ;

摘要：

The ZEUS experiment has a three-level trigger system to select electron-proton interaction events from a large anticipated background of proton beam-gas. The first level decision is formed using pipelined hardware processors clocked at the 96 ns beam crossing frequency. A vital component of this decision is discrimination against upstream events using tracking detector information. The processors use three-dimensional space points measured in the central tracking detector to find pointing tracks over most of the theta range, and include forward tracking detector information to improve the resolution and angular coverage in the proton forward direction. The processor design status and performance simulation results are presented.

引用

页码：431 / 435

页数：5

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