The commissioning status and results of ATLAS level1 endcap muon trigger system

Y. Okumura, S. Hasegawa, T. Sugimoto, Y. Takahashi, M. Tomoto, C. Fukunaga, M. Ikeno, H. Iwasaki, K. Nagano, M. Nozaki, O. Sasaki, Y. Suzuki, S. Tanaka, Y. Yasu, Y. Hasegawa, H. Oshita, T. Takeshita, M. Nomachi, Y. Sugaya, S. HirayamaM. Ishino, N. Kanaya, F. Kanega, T. Kawamoto, K. Kessoku, T. Kobayashi, T. Kubota, H. Nomoto, H. Sakamoto, T. Hayakawa, A. Ishikawa, T. Kadosaka, K. Kawagoe, H. Kiyamura, H. Kurashige, T. Matsushita, H. Nakatsuka, T. Niwa, A. Ochi, C. Omachi, H. Takeda, N. Lupu, S. Bressler, S. Tarem, E. Kajomovitz, S. Ben Ami, A. Hershenhorn, Y. Benhammou, E. Etzion, D. Lellouch, L. Levinson, G. Mikenberg, A. Roich

Research output: Chapter in Book/Report/Conference proceedingConference contribution

1 Citation (Scopus)

Abstract

The ATLAS Level1 endcap muon trigger selects potentially interesting events containing muons with the transverse momentum (pT) greater than 6 GeV/c from 40 MHz proton-proton collisions. The system consists of 3,600 Thin Gap Chambers (TGCs) and the total number of readout channels is 320,000. The trigger logic is based on the coincidence between seven layers of TGCs. All processes are performed on fast electronics within 2.5 μs. To be ready for the first beam, we have succeeded in sending trigger signals of cosmic-ray muons with the synchronous operation at 40 MHz and fine signal timing adjustment. We report on the status of the commissioning and the results from the combined runs with all ATLAS detectors.

Original languageEnglish
Title of host publicationProceedings of the Topical Workshop on Electronics for Particle Physics, TWEPP 2008
Pages556-560
Number of pages5
Publication statusPublished - 2008
EventTopical Workshop on Electronics for Particle Physics, TWEPP 2008 - Naxos, Greece
Duration: 2008 Sep 152008 Sep 19

Publication series

NameProceedings of the Topical Workshop on Electronics for Particle Physics, TWEPP 2008

Other

OtherTopical Workshop on Electronics for Particle Physics, TWEPP 2008
CountryGreece
CityNaxos
Period08/9/1508/9/19

ASJC Scopus subject areas

  • Nuclear and High Energy Physics

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