Design for a L1 tracking trigger for CMS

被引：3

作者：

Hoff, J. ^{[1
]}

Johnson, M. ^{[1
]}

Lipton, R. ^{[1
]}

Magazzu, G. ^{[2
]}

Pozzobon, N. ^{[3
,4
]}

Ryd, A. ^{[5
]}

Salvati, E. ^{[5
]}

机构：

[1] Fermi Natl Accelerator Lab 2, Batavia, IL 60510 USA

[2] Univ Calif Santa Barbara, Santa Barbara, CA 93106 USA

[3] Univ Padua, Padua, Italy

[4] Ist Nazl Fis Nucl, Sez Padova, Padua, Italy

[5] Cornell Univ, Ithaca, NY 14853 USA

来源：

JOURNAL OF INSTRUMENTATION | 2013年 / 8卷

基金：

英国科学技术设施理事会;

关键词：

Particle tracking detectors; Trigger detectors; Particle tracking detectors (Solid-state detectors);

D O I：

10.1088/1748-0221/8/02/C02004

中图分类号：

TH7 [仪器、仪表];

学科分类号：

0804 ; 080401 ; 081102 ;

摘要：

We present an electronics design for a tracking trigger for the CERN SLHC. The on detector part uses asynchronous logic so the only clock required is the LHC crossing clock. High Pt tracks are identified with a hierarchical method that finds track stubs using closely spaced pairs of detectors. Track segments (called tracklets) are then formed from pairs of stubs that are separated by 40 mm. This separation is close enough so that matching stubs is relatively easy but far enough apart so that the tracklets can be projected to another layer with mm accuracy. Matching segments in two or more layers then define a track.

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页数：11

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