Trigger

Most of the following information is accessible only to ZEUS members

General Information

• Online trigger configurations: recent, configuration files from zaxp01:rc_triggers
• ZEUS Trigger Meeting Minutes.
• GFLT, slots, components: CTD-FLT, CAL-FLT
• Fast Clear
• GSLT, components: CTD-SLT, Cal-SLT-clusters-e
• TLT
• CZAR has been modified to produce a trigger study ntuple (ask Nichol). Stable code can be found in ~brummern/zeus/trig/backup/czar.*.tgz, while development is done in ~brummern/zeus/trig/czar. Some ntuples might be in czar/out, while kumacs, etc. can be found in czar/run.
• ZTRIG: old eaze job for trigger studies, use the new CZAR job.
• ZgAna - Documentation for the Zeus Trigger Simulation package
• Run summary ntuples are accessible from the zedy cluster in: /tokyo/raid/gflt/rsum/export

Physics Group Trigger Pages and contact persons

• DIFFraction, Janusz Szuba
• EXOtics, Elisabetta Gallo
• Hadronic Final States, Sabine Lammers
• Heavy FLAvours, Achim Geiser
• Structure Functions and ElectroWeak, Mike Rigby

Trigger Bandwith

• All rates (FLT/SLT/TLT) vs. lumi: 1993-97(ps), 1999(e-) and 1997(ps), 2000(ps)
• TLT output 1997, runs 32688-32906
• Trigger behaviour during the highest lumi runs:
  • in 1997 (runs 27630 and 27641) - Deadtime vs. Real time (ps), FLT Rate vs. Inst. Lumi (ps)
• Maximum rates tested at each level:
  • Summary table from rate tests in 2000 (ps)

Minutes, agenda, notes, documents

• ZEUS Trigger Meeting Minutes
• Weekly Trigger Meetings: Fri 11:00 sem 1b/5
  
• desy.zeus.trigger Trigger related news
• The ZEUS Trigger Mailing List: sending, subscribing, unsubscribing
• Citation List for ZEUS trigger/DAQ

Trigger Coordinators

• 2001-2003 Nichol Brummer
• 1999-2001 Davide Boscherini
• 1998-1999 Stefan Polenz
• 1997 William Badgett
• 1996 Katsuo Tokushuku
• 1994-1995 Roberto Carlin
• 1992-1993 Katsuo Tokushuku

Trigger Convenors

• Wesley Smith
• Leo Wiggers