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Muon DQ Setup for p-Pb Running at Kobe University

This document discusses the setup for monitoring muon data quality (DQ) during p-Pb running, focusing on online and offline DQ processes, trigger menu, primary triggers, and important checks. Key topics include histogram checks, trigger efficiency measurements, and monitoring configurations. The text outlines changes made wrt p-Pb DQ histograms, offline DQ focus, and the importance of trigger menu reliance. Work completed and tasks to do are also summarized. Further steps include using reprocessed ESD files to measure trigger efficiency and utilizing larger statistic samples for evaluation.

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Muon DQ Setup for p-Pb Running at Kobe University

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  1. Muon DQ setup for p-Pb running Y. Yamazaki, T. Kishimoto, L. Yuan Kobe University October 19th, 2012 Trigger Monitoring meeting

  2. Configuration for muon DQ • Online DQ: OHP & DQMD • Main histograms checked in online: kinematic distributions (pT, η, ϕ), hits information… • Main changes wrtp-p DQ: histograms from low-pt specialized algorithms instead of high-pt specialized algorithms (e.g: MuFastSteering_Muon MuFastSteering_900GeV) • Offline DQ: • Focus on chains based trigger efficiencies, measured with different methods: orthogonal triggers, looser muon triggers, tag & probe. • Strongly reply on trigger menu. • Primary triggers to be monitored: mu4, mu6, mu10_MSonly, mu13_Msonly • Other important checks: • 2D eta-phi occupancy • L1 CTP consistency

  3. Online DQ -- OHP • EF_physics_Muon • TrigMuSuperEF/EF_trks_eta, EF_trks_pt, EF_trks_type • TrigMuSuperEF_TMEFonly/EF_trks_pt • TrigMuGirl_Slow/MuonsPt • EF_Expert  • TrigMuSuperEF/EF_trks_phi, • EF_trks_nHit, • EF_satrks_pt, • EF_mstrks_pt, • MuonsPt, MuonsCotTh, MuonNNBarrel, MuonsNNEndcap, MuonsPhi, • TrigMuSuperEF_TMEFonly/EF_trks_eta, • TrigMuGirl_Slow/MuonsBeta. • L1_Physics: • - TrigSteer_L2/AllRoIsEtaPhiMU_runsummary • L2_Physics_Muon folder: - muFastSteering_900GeV/AbsPt - muFastSteering_900GeV/TrackEta_vs_TrackPhi - muComb_900GeV_STRATEGY_A/Dphi - muComb_900GeV_STRATEGY_A/PtMC - TrigL2MuonOverlapRemover_Mufast_nominal/MufastError - TrigL2MuonOverlapRemover_Mucom_nominal/MucombError • L2_Expert folder • muFastSteering_900GeV//ResMiddle • muFastSteering_900GeV//FitResiduals • muComb_900GeV_STRATEGY_A/Deta • muComb_900GeV_STRATEGY_A/ErrorFlagMC L1 EF L2

  4. Online DQ status • What has been done: • Checked the reprocessed HLT distribution (run 210184), see an example below • Made the draft configuration file (*.xml) • Work to do: • Make the reference file if the merged file is available (L2 and EF) muFastSteering_Muon_AbsPt muFastSteering_900GeV_AbsPt p-p p-pb

  5. Offline DQ status • What has been done: • Use the reprocessed ESD files to measure the trigger efficiency for the primary triggers (mu4, mu6, mu10_Msonly, mu13_MSonly) • Due to the low statistics, all the muon candidates were used without requiring any preselection (i.e without using orthogonal trigger or looser muon triggers), which may introduce some efficiency bias. • See efficiency plots in next slide. • Work to do: • For tag&probe method, we would need to use the J/ψ (instead of Z boson in pp collisions) mass constraint to select pure muon sample. Work still under going. • A sample (with larger statistics) is expected for us to evaluate the trigger efficiency, the 2D occupancy and make the reference.

  6. mu4 mu6 muFastwrt offline muCombwrtmuFast

  7. Offline DQ --- 2D occupancy check Need a sample with larger statistics for reference.

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