1. Study of the 2012 Trip on the HV module with independent generator
Elodie Tiouchichine, Elisabeth Petit
8/26/2018
E. Tiouchichine

2. Introduction Aim of the study
Look at trips of HV modules with independent generator and current regulation functionality→ Effect on the reconstructed objects ?
Last presentation on this subject:
Method
Consider data 2012 (more statistic than in 2011).
Look at the CosmicCalo stream (empty bunch) and JetTauEtmiss
The aim of the study is to compare the objects reconstructed (jets, photons) in two kind of Lbs :
HV trip of a new module : GRLAllGood and defect LAR_xx_TRIP_NEWMODULE
Good : GRLAllGood and no defect LAR_xx_TRIP_NEWMODULE
Selection
Event with data corruption or data integrity are rejected (LarError==2)
LB with SEVNOISEBURST are removed
8/26/2018
E. Tiouchichine

3. Trips of New Module?
Voltage
Trip status
Current
When there is a trip the module switches from voltage mode to current mode .
voltage mode to current mode => defect : LAR_xx_TRIP_NEWMODULE
More information on Valerio's presentations:
Is there any consequences on reconstructed object during Lbs affected by this transition of Mode Voltage → Current?
8/26/2018
E. Tiouchichine

4. Trips of new module in 2012
RunNumber
Lbs affected
HV line
202609
238,239
M343-C2
203636
978,1043,1044
M132-C3
203779
548,560,561
204465
456
204772 58
204932
246,534
M20-C5, M333-C7
205055
442,443
208485
261,262
M333-C7
208642
254,255
M142-C11
208930
221,222
209550
340,341
M30-C11
209736
693,694,723,724
M132-C3, M146-C4
209994
447,448
Lb = Lumiblock not in the GRL ALLGood → Not used in this analysis
8/26/2018
E. Tiouchichine

5. Trips of new module in 2012 Statistic(CosmicCalo/JetTauEtmiss)
Number of HV Trip
EMECC
EMECA
Statistic(CosmicCalo/JetTauEtmiss)
During HV trips: 895 / events
During no HV trips: / events
8/26/2018
E. Tiouchichine

6. Jet Results - Cosmic Calo stream
Jet map in good lbs
Jet map in trip LBs
Jets / events
Good LBs
Trip LBs
0.18 ± 0.00
0.28 ± 0.02
72.8 % are Loose bad jets
~100% are Tight bad jets
66.8% are Loose bad jets
~100% are Tight bad jets
Same number of jets during trip and no trip
8/26/2018
E. Tiouchichine

7. Photon Results - Cosmic Calo stream
Photon map in good lbs
Photon map in trip LBs
Photon / events
Good LBs
Trip LBs
0.13 ± 0.00
0.20 ± 0.02
9.2% pass loose ID
7.9% pass loose ID
Same number of photon during trip and no trip
8/26/2018
E. Tiouchichine

8. ETmiss , Φmiss - Cosmic Calo stream
8/26/2018
E. Tiouchichine

9. ETmiss , Φmiss - Cosmic Calo stream
Remove event with looser bad jets
After jet cleaning (as it's recommended to do in analysis group) → agreement within statistic
8/26/2018
E. Tiouchichine

10. ETmiss , Φmiss - Cosmic Calo stream
Remove event with looser bad jets
After jet cleaning (as it's recommended to do in analysis group) → agreement within statistic
Remark :Noise burst
No evident correlation with HV Trip in the new module and noise burst
In the case there were noise burst, there were well cleaned by the LAr windows veto
8/26/2018
E. Tiouchichine

11. Jet Results - JetTauEtmiss stream
Jet map in good lbs
Jet map in trip LBs
Jets / events
Good LBs
Trip LBs
9.03 ± 0.00
9.76 ± 0.03
0.7 % are Loose bad jets
25% are Tight bad jets
0.6% are Loose bad jets
25% are Tight bad jets
Same jet activity in Lbs with trips and w/o
8/26/2018
E. Tiouchichine

12. Photon Results - JetTauEtmiss stream
Photon map in good lbs
Photon map in trip LBs
Photon / events
Good LBs
Trip LBs
19.0 ± 0.01
20.1 ± 0.06
Same photon activity in Lbs with trips and without
8/26/2018
E. Tiouchichine

13. ETmiss - JetTauEtmiss stream
Jet cleaning applied (remove event with looser bad jets)
Good agreement between the distributions
8/26/2018
E. Tiouchichine

14. Conclusion Looked at Cosmic Calo and JetTauEtmiss stream
Comparison of object reconstructed in Lbs contained in GRL AllGood splitting Lbs
HV Trip in new module
No HV trip in new module
No strange behavior detected
Based on these studies we confirm that we are safe to include Lbs with HV trip new module in physics analysis
8/26/2018
E. Tiouchichine

15. BackUp
8/26/2018
E. Tiouchichine

16. HV – Current distributions Run: 203636
8/26/2018
E. Tiouchichine

17. HV – Current distributions Run: 203636
8/26/2018
E. Tiouchichine

18. HV – Current distributions Run: 203779
8/26/2018
E. Tiouchichine

19. HV – Current distributions Run: 204265
8/26/2018
E. Tiouchichine

20. HV – Current distributions Run: 204772
8/26/2018
E. Tiouchichine

21. HV – Current distributions Run: 204932
8/26/2018
E. Tiouchichine

22. HV – Current distributions Run: 205055
8/26/2018
E. Tiouchichine

23. HV – Current distributions Run: 208485
8/26/2018
E. Tiouchichine

24. HV – Current distributions Run: 208642
8/26/2018
E. Tiouchichine

25. HV – Current distributions Run: 208642
8/26/2018
E. Tiouchichine

26. HV – Current distributions Run: 209550
8/26/2018
E. Tiouchichine

27. HV – Current distributions Run: 209736
8/26/2018
E. Tiouchichine

28. Noise Burst Follow this link for more informations : Definitions :
Definitions :
Q = Quality factor quadratic difference between measured and expected shape of the pulse
Bad channel = Q > 4000
Bad FEB = More than 30 bad channels in the FEB
Noise burst = 5 or more Bad FEB found in the event
8/26/2018
E. Tiouchichine

29. 8/26/2018
E. Tiouchichine

30. Flag SEVNOISEBURST
When the time stamp of the noise burst is find a LAr time windows veto of 2 sec around the time stamp is applied during the Bulk processing→ LArError == 2
But the defect SEVNOISEBURST can be applied for the lumiblock when:
The cleaning didn't worked well (Burst during more than 2 seconds)(extremely rare)
Burst detected in the collision stream and not in express stream so the time stamp of the brust was not updated in the db before the bulk processing. → 1% of LB (Lar tream is working on a trigger dedicated which will allow to see this noiseburst at the express processing level)
8/26/2018
E. Tiouchichine