The DO Central Track Trigger

被引：10

作者：

Olsen, J

Anderson, J

Angstadt, R

Babukhadia, L

Bhattacharjee, M

Blazey, G

Borcherding, F

Connolly, B

Cooke, M

Desai, S

Evans, D

Grannis, P

Grünendahl, S

Hu, Y

Jain, V

Johnson, M

Linn, S

Lizarazo, J

Maravin, Y

Martin, M

Mutaf, Y

Nöding, C

Ramirez-Gomez, R

Rapisarda, S

Stevenson, K

Tomoto, M

Vachon, B

Wijnen, T

Wilcer, N

Wilson, G

Xu, QC

Yip, K

机构：

[1] Fermilab Natl Accelerator Lab, Batavia, IL 60510 USA

[2] SUNY Stony Brook, Stony Brook, NY 11794 USA

[3] No Illinois Univ, NICADD, De Kalb, IL 60115 USA

[4] Florida State Univ, Dept Phys, Tallahassee, FL 32306 USA

[5] Rice Univ, TW Bonner Nucl Labs, Houston, TX 77251 USA

[6] Univ Lancaster, Dept Phys, Lancaster LA1 4YW, England

[7] Brookhaven Natl Lab, Dept Phys, Upton, NY 11973 USA

[8] Univ Los Andes, Dept Fis, Bogota, Colombia

[9] Univ Freiburg, D-79005 Freiburg, Germany

[10] Indiana Univ, Bloomington, IN 47405 USA

[11] Univ Nijmegen, NL-6546 ED Nijmegen, Netherlands

[12] Univ Kansas, Dept Phys & Astron, Lawrence, KS 66045 USA

[13] Univ Michigan, Dept Phys, Ann Arbor, MI 48109 USA

来源：

IEEE TRANSACTIONS ON NUCLEAR SCIENCE | 2004年 / 51卷 / 03期

关键词：

data acquisition; field programmable gate arrays (FPGAs); parallel processing; particle tracking; scintillation detectors; triggering;

D O I：

10.1109/TNS.2004.828703

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

An overview of the system architecture and algorithms used for the DO Central Track Trigger (CTT) in the Run 2 of the Fermilab Tevatron Proton-Antiproton Collider is presented. This system uses information from the newly commissioned Central Fiber Tracker and Preshower Detectors to generate Level 1 trigger decisions. It also generates lists of seed tracks and preshower clusters that are sent to the Level 1 Moon Trigger, L2 Silicon Track Trigger, and Central and Forward Preshower Level 2 preprocessors. The system consists of modular boards which utilize field-programmable gate arrays (FPGAs) to implement trigger algorithms. The system delivers trigger decisions every 132 ns, based on input data flowing at a maximum sustained rate of 475 gigabits per second. The first results of trigger efficiency studies are presented.

引用

页码：345 / 350

页数：6

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