Issues encountered this week
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Transcript of Issues encountered this week
07.03.11 I. Bloch 1Muon HLT News
Issues encountered this weekWatching out for L2 turn-on curves
L2_Mu3 turn-on curve (endcap),wrt. L1_SingleMuOpen.Reaches plateau at ~6 GeV
From PAS MUO-10-002
L2_Mu7 turn-on curvewrt. L1_SingleMuOpen.Reaches plateau at ~11 GeV
C. Botta, MuonHLT meeting18.02.2011
We should steer clear of L2 inefficiencies!
L2_Mu3
L2_Mu7
07.03.11 I. Bloch 2Muon HLT News
Issues encountered this weekKeep link: Trigger ↔ Who uses it
PAG contacts: Please add your PAG and analyses to the trigger you plan to use.
Linked from SWGuideMuonHLT:
Feel free to correct / add missing triggers etc.
https://twiki.cern.ch/twiki/bin/view/CMSPublic/SWGuideMuonHLT#Most_recent_Menu_5e32_and_its_us
Mu17 will likely have to be removed → change to using Mu15
07.03.11 I. Bloch 3Muon HLT News
Finalizing T&P efficiency measurements for Mu PaperC. Botta, G. Petrucciano, D. Trocino
Issues encountered this weekLast mHLT meeting with many great updates
Insights - data/MC differences in HLT Isolation: 3_9_7 MC agrees much better with Dec22 data than 3_8_4 MCM. Zeise
Single Mu (in jets) efficiency measurements for Mu PaperA. Fanfani, G. AbbiendiEfficiencies from jet
triggered dataD. Sperka
07.03.11 I. Bloch 4Muon HLT News
BACKUP SLIDESBACKUP SLIDES
07.03.11 I. Bloch 5Muon HLT News
Issues encountered this weekProposed Changes
Accepted by TPG, pending a timing estimate after these changes
2
2.5
Left unchanged
Left unchanged
Left unchanged
Left unchanged
Left unchanged
Left unchanged
4 should be 3
07.03.11 I. Bloch 6Muon HLT News
HLT efficiency, CSC dead ME1 chambersStation 2 - likely no impact on trigger efficiency: flip back and forth with next pagedead chamber in pink dotted box
Only chambers dead for all of 2010 are highlighted.
07.03.11 I. Bloch 7Muon HLT News
HLT efficiency, CSC dead ME1 chambers
Measurement of efficiencies: flip back and forth with prev. and next page
cyan: ME2 dead chamberlight green: ME1 dead chambers
Only chambers dead for all of 2010 are highlighted.
07.03.11 I. Bloch 8Muon HLT News
HLT efficiency, CSC dead ME1 chambersStation 1 - likely dominant impact on trigger efficiency: flip back and forth with previous page. Dead chambers in pink/red dotted boxes
Only chambers dead for all of 2010 are highlighted.
07.03.11 I. Bloch 9Muon HLT News
HLT efficiency, CSC dead ME1 chamberseta/phi plot of good, ID-ed, isolated muons with pT>10 GeV: flip back and forth with previous page. Dead chambers in pink/red dotted boxes
Only chambers dead for all of 2010 are highlighted.
Also good agreement with temporarily dead chambers seen here and efficiency measurements on page 6. CSC DPG works on including the dead chambers in the next MC production.
07.03.11 I. Bloch 10Muon HLT News
Muon HLT meetingMuon HLT meeting
NewsNewsIngo Bloch
Fermilab
L2 turn-on curves - proposal to modify some L2 thresholds
Efficiency data/MC discrepancy / CSC dead chambers
Skip if Daniele will show it
Triggers with Muons - PAGs please sign your trigger
Today's meeting
07.03.11 I. Bloch 11Muon HLT News
Issues encountered this weekConcern
Checked out all triggers with muons.
Most triggers have placed L2 cuts far away from L3, usually equal to L1 thresholds.
If L2 threshold is moved too close to L3, one starts to have inefficiencies due to the L2 resolution (see next slide)
As the L2 cut has (should have) no impact on physics, only on CPU timing (which is expected to be very small), we recommend to move all L2 cuts to correspond to the L1 thresholds.
(L1 thresholds are tuned so that they are 90% efficient at the cut value,so they correspond to effectively lower cuts.)
Some L2 turn-on curves are shown on next page to illustrate the issue.
07.03.11 I. Bloch 12Muon HLT News
Issues encountered this weekTrigger ReviewThe review went quite well, lots of interest. http://indico.cern.ch/conferenceDisplay.py?confId=123890
This is the muon task list from Emmanuelle's summary:
07.03.11 I. Bloch 13Muon HLT News
Issues encountered this weekSummary single (Iso)Mu trigger thresholds
Lumi 2E32 5E32 1E33 2E33 5E33
L1L1 pT (GeV) 7 10 (12) 12 16 20
L1L1 Rate (kHz) 2.3 3 (2.2) 4.5 6 12
HLT IsoHLT Iso pT (GeV) for 20Hz Rate 13 15 18 25 40
HLT IsoHLT Iso pT (GeV) for 13 Hz 15 17 22 34 48
HLTHLT pT (GeV)for 20 Hz 15 20 25 35 50
HLTHLT pT (GeV)for 13 Hz 17 24 30 40 60
Lowest unprescaled:
07.03.11 I. Bloch 14Muon HLT News
Issues encountered this weekSummary double Mu trigger thresholds
Lumi 2E32 5E32 1E33 2E33 5E33
L1L1 pT (GeV) 0 3 (0) 3.5 3.5 5
L1L1 Rate (kHz) 2.5 3.5 2.0 3.7 3.8
L1L1 Rate, Ghostbustedestimated (kHz) 0.4 0.8 (1.1) 0.6 1.2 1.2
HLTHLT pT (GeV)for 20 Hz 4 5 6 7 9
HLTHLT pT (GeV)for 13 Hz 4.5 6 7 8 10.5
Lowest unprescaled: