JetMET Trigger Plans

1
JetMET Trigger Plans

• Leonard Apanasevich
• University of Illinois at Chicago
• apana_at_fnal.gov

2
Outline

• Overview of upcoming trigger planning activities
• Physics priorities during initial commissioning
  stage
• Trigger Coordination Group structure

3
Higher Level Trigger Activities

• Implement regional unpacking in all subsystems
• Example substantial reduction in regional ECAL
  unpacking for ? e/?
• Code is available for siStrip, other systems
  pending
• Optimization
• Code improvement, accept time-outs (600 ms)
• Algorithms
• Complementary triggers
• Control samples
• Trigger Menus
• Initial trigger menus ?
• Thresholds, prescales
• Trigger DQM
• Next Milestone
• Physics-Trigger Week,October 22 - 26

Wesley Smith
Mike Lamont, 20.06.07
Bunches ? Ib Luminosity Event rate
1 x 1 18 1010 1027 Low
43 x 43 18 3 x 1010 3.8 x 1029 0.05
43 x 43 4 3 x 1010 1.7 x 1030 0.21
43 x 43 2 4 x 1010 6.1 x 1030 0.76
156 x 156 4 4 x 1010 1.1 x 1031 0.38
156 x 156 4 9 x 1010 5.6 x1031 1.9
156 x 156 2 9 x 1010 1.1 x1032 3.9
Phase A Buildup
4
Simulated L1 rates at 1028
5
Physics Priorities for Phase A

• Calibrate the detector
• Begin to re-establish the Standard Model
• Minbias PT and Rapidity Distributions
• Study Jet Angular Distribution, DiJets
• Establish MET
• Gamma Jet Calibration
• Standard Candles J/?, ?, W, Z

6
Trigger Coordination Organigram
7
TSG Needs You!
Volunteers needed from POGs/PAGs/DPGs

• Trigger Menu Development
• Study rates and prescale factors
• Measure efficiencies
• HLT Algorithm Development
• Implement and maintain HLT paths
• Trigger Menu Implementation
• Study misalignment/miscalibration effects
• Trigger Performance
• Trigger Validation
• Write DQM monitoring software
• Evaluate CPU/memory usage

8
Priorities for JetMET

• Need a volunteer to prepare release validation
  plots
• L1 and HLT rates and efficiencies for our base
  triggers
• Eventually migrate these into the DQM
  infrastructure
• Begin studying misalignment/miscalibration
  effects
• Alignment and calibration scenarios based upon 10
  pb-1 and 100 pb-1 of data in place for most
  sub-systems.
• Implement regional unpacking/reco for jets