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Main Web>TWikiUsers>TheodotaLagouri>LVL1Di-muonStudyWithFlags (2005-12-20, TheodotaLagouri) EditAttachPDFLVL1 di-muon trigger analysis with release 10.0.1 and the overlap flags
Useful link
- L1 Muon Trigger Study with release 10.0.0
Single muon events - DC2 layout "P03":
G4 simulated, digitized and read RDO with 10.0.1 + TrigT1TGC-00-00-50 + RPCcabling-00-03-32:
-
- 1000 single muons pt= 6 GeV
- -2.7 < eta < 2.7 full eta region
- -1.0 < eta < 1.0 barrel region
- 0.8 < eta < 1.2 region with the larger eta overlap, around eta=1
- 10K single muons pt= 6 GeV
- 0.8 < eta < 1.2 region with the larger eta overlap, around eta=1
- 1000 single muons pt= 20 GeV
- 0.8 < eta < 1.2 region with the larger eta overlap, around eta=1
- 1000 single muons pt= 6 GeV
Single muon events - Initial layout "Q":
G4 simulated, digitized and read RDO with 10.0.1 + TrigT1TGC-00-00-50 + RPCcabling-00-03-32:
Study for phi overlaps
G4 simulated, digitized and read RDO with 10.0.1 + TrigT1TGC-00-00-50 + RPCcabling-00-03-32:
Single muon events - DC2 layout "P03":
-
- 1000 single muons pt= 20 GeV
- phi= 0-0.35, eta= 0.2
- phi= 0.35, eta= 0.2-0.4
- phi= 0.35, eta= 0.9-1.1
- phi= 0.35, eta= 0.8-1.2
- all phi, eta= 0.8-1.2
- 1000 single muons pt= 6 GeV
- phi= 0-0.35, eta= 0.2
- phi= 0.35, eta= 0.2-0.4
- phi= 0.35, eta= 0.9-1.1
- phi= 0.35, eta= 0.8-1.2
- all phi, eta= 0.8-1.2
- phi= 0.5, eta= 0.2-0.4
- 1000 single muons pt= 20 GeV
LVL1 Trigger Results
1 K single muons, Release 10.0.1 + TrigT1TGC-00-00-50 + RPCcabling-00-03-32
- Layout DC2:"P03"
- Full eta region -2.7 < eta < 2.7
| pt (GeV) | 6 |
| di-muon rate barrel(%) | 2.3±0.88 |
| di-muon rate endcap(%) | 4.02±1.29 |
| di-muon rate total(%) | 3.08±0.76 |
| trigger efficiency barrel(%) | 55.4±3.97 |
| trigger efficiency endcap(%) | 55.1±4.35 |
| trigger efficiency total(%) | 55.2±2.9 |
-
- Barrel region -1.0 < eta < 1.0
| pt (GeV) | 6 |
| di-muon rate barrel(%) | 1.97±0.5 |
| di-muon rate total(%) | 2.09±0.5 |
| trigger efficiency barrel(%) | 81.1±3.84 |
| trigger efficiency total(%) | 81.3±3.8 |
-
- Region 0.8 < eta < 1.2 (with the larger eta overlap, around eta=1)
| pt (GeV) | 6 | 20 | |
| di-muon rate barrel(%) | 0.88±0.39 | 2.04±0.6 | |
| di-muon rate endcap(%) | - | 5.2±1.3 | |
| di-muon rate total(%) | 0.88±0.39 | 3.2±0.62 | |
| trigger efficiency barrel(%) | 59.8±3.2 | 82.9±4.83 | |
| trigger efficiency endcap(%) | 48.9±12.7 | 87.7±6.8 | |
| trigger efficiency total(%) | 59.2±3.1 | 84.6±3.95 | |
10 K single muons, Release 10.0.1 + TrigT1TGC-00-00-50 + RPCcabling-00-03-32 :
- Layout DC2:"P03"
- Region 0.8 < eta < 1.2 (with the larger eta overlap, around eta=1)
| pt (GeV) | 6 |
| di-muon rate barrel(%) | 0.99±0.13 |
| di-muon rate endcap(%) | 2.62±1 |
| di-muon rate total(%) | 1.06±0.13 |
| trigger efficiency barrel(%) | 61.5±1 |
| trigger efficiency endcap(%) | 59.6±4.6 |
| trigger efficiency total(%) | 61.4±0.995 |
1 K single muons, Release 10.0.1 + TrigT1TGC-00-00-50 + RPCcabling-00-03-32 :
- Layout Initial: "Q"
- Full eta region -2.7 < eta < 2.7
| pt (GeV) | 6 | 20 | |
| di-muon rate barrel(%) | 1.36±0.68 | 1.92±0.79 | |
| di-muon rate endcap(%) | 0.3±0.29 | 5.11±1.0 | |
| di-muon rate total(%) | 3.64±0.77 | 4.3±0.73 | |
| trigger efficiency barrel(%) | 62.8±4.66 | 83.7±6.4 | |
| trigger efficiency endcap(%) | 63.8±4.4 | 84.48±4.99 | |
| trigger efficiency total(%) | 63.2±3.2 | 84.1±3.93 | |
-
- Barrel region -1.0 < eta < 1.0
| pt (GeV) | 6 |
| di-muon rate barrel(%) | 2.58±0.58 |
| di-muon rate total(%) | 3.69±0.69 |
| trigger efficiency barrel(%) | 80.1±3.86 |
| trigger efficiency total(%) | 81.3±3.8 |
-
- Region 0.8 < eta < 1.2 (with the larger eta overlap, around eta=1)
| pt (GeV) | 6 | 20 | |
| di-muon rate barrel(%) | 3.18±0.74 | 4.7±0.95 | |
| di-muon rate endcap(%) | - | 4.97±1.3 | |
| di-muon rate total(%) | 3.18±0.74 | 4.8±0.77 | |
| trigger efficiency barrel(%) | 62.4±3.2 | 84.6±4.9 | |
| trigger efficiency endcap(%) | 69±16.7 | 86.3±6.8 | |
| trigger efficiency total(%) | 62.6±3.2 | 85.2±3.97 | |
LVL1 trigger results for phi overlaps
Release 10.0.1 + TrigT1TGC-00-00-50 + RPCcabling-00-03-32:
Single muon events - DC2 layout "P03":
-
- 1000 single muons pt= 6, 20 GeV
| pt (GeV) | 6 | 20 | |
| di-muon rate total(%), phi= 0-0.35, eta= 0.2 | 1.42 | 3.78 | |
| di-muon rate total(%), phi= 0.35, eta= 0.2-0.4 | 5 | 0.52 | |
| di-muon rate total(%), phi= 0.35, eta= 0.9-1.1 | 5.3 | 0.5 | |
| di-muon rate total(%), phi= 0.35, eta= 0.8-1.2 | 5.1 | 0.43 | |
| di-muon rate total(%), all phi, eta= 0.8-1.2 | 0.8 | 3.2 | |
| di-muon rate total(%), phi= 0.5, eta= 0.2-0.4 | 0.1 | _ |
LVL1 trigger results for phi overlaps with new MuCTPI code
Release 10.0.1 + TrigT1TGC-00-00-50 + RPCcabling-00-03-32 + Muctpi-00-00-27:
Single muon events - Rome-Initial layout "Q":
-
- 1000 single muons pt= 20, 30 GeV
| pt (GeV) | 20 | 30 | |
| di-muon rate total(%), phi= 0.18-0.22, eta= 0.0-1.0 | 0.73 | ||
| di-muon rate total(%), phi= 0.2-0.3, eta= 0.0-1.0 | 5 | ||
| di-muon rate total(%), phi= 0.0-0.35, eta= 0.2 | 1.57 | ||
| di-muon rate total(%), all phi, eta= 0.0-1.0 | 1.78 | ||
Remarks
The main conclusion concerning the di-muon studies with the overlap flags (RPCcabling-00-03-32) is that it seems that the flags are working well in the barrel region, where the eta overlap is expected high (0.8<eta<1.2) i.e. somewhere around eta=1. For the layout P03 the di-muon rate for 1K muons is found around 0.88±0.4%. For the rest of the eta areas as well as for layout Q, there was no obvious improvement on the di-muon rates with the overlap flags. The above results were confirmed with higher statistics of 10 K muons and pt= 6 GeV in 0.8<eta<1.2 where di-mu rate tot = 1.1% and di-mu barrel rate= 0.99±0.13% i.e. less than 1%! Something new that observed for the EC region with TrigT1TGC-00-00-50 and affects the total di-muon rate though, is that it gives now higher di-muon rate than before. For layout Q and pt 20 GeV the di-muon rate is found around (5±1)%, where the efficiencies are back to normal (85±5)%.However, for the low pt muons of pt= 6 GeV the di-muon rate is found (2.5±1)% and a low trigger efficiency was found of about (60±5)%. It seems that the phi overlap flags are not working properly with MuCTPI, under investigation. It seems that there is improvement with the new Muctpi-00-00-27 but still needs more detailed work for phi overlaps. -- TheodotaLagouri - 01 Nov 2005
Topic revision: r6 - 2005-12-20 - TheodotaLagouri
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