The Level 0 trigger for the DØ detector

Author

Bantly, J. ; Epstein, K. ; Fowler, J. ; Gao, G.S. ; Hlustick, R. ; Lanou, R.E. ; Nang, F. ; Partridge, R. ; Wang, L. ; Xu, H.

Author_Institution

Dept. of Phys., Brown Univ., Providence, RI, USA

Volume

41

Issue

4

fYear

1994

fDate

8/1/1994 12:00:00 AM

Firstpage

1274

Lastpage

1279

Abstract

The DØ detector has completed its first data taking run at the Fermi National Accelerator Laboratory´s p¯-p Tevatron collider. The Level 0 trigger system is the DØ experiment´s first trigger level used to identify colliding beam crossings containing interactions. It consists of two hodoscopes of scintillation tiles located just outside the DØ central tracking region. The Level 0 trigger provides a fast measurement of the interaction position along the beam axis for use in early trigger decisions. A slower, more accurate position of the interaction and an indication of the occurrence of multiple interactions are available for subsequent trigger decisions. In addition, the Level 0 trigger is used as a luminosity monitor for DØ. Results on the performance of the Level 0 trigger are presented

Keywords

nuclear electronics; scintillation counters; D0 detector; Level 0 trigger; luminosity monitor; scintillation hodoscope; Colliding beam accelerators; Face detection; Laboratories; Monitoring; Particle beams; Photomultipliers; Physics; Sensor arrays; Solid scintillation detectors; Tiles;

fLanguage

English

Journal_Title

Nuclear Science, IEEE Transactions on

Publisher

ieee

ISSN

0018-9499

Type

jour

DOI

10.1109/23.322899

Filename

322899