Difference between revisions of "Jul 30, 2015 Calorimetry"
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= Minutes = | = Minutes = | ||
− | ''Attendees: | + | ''Attendees: Manuel, Jon, Adesh, David, Elton (JLab); Will, Mike (CMU); George, Christina (Athens); Zisis, Noemi, Ahmed, Tegan (UofR) |
# Announcements | # Announcements | ||
Line 55: | Line 55: | ||
#* Solenoid cooldown and ramp up mid August | #* Solenoid cooldown and ramp up mid August | ||
# FCAL Update | # FCAL Update | ||
+ | ## Bases, firmware updates (Jon) | ||
+ | ##* Hovanes is checking new firmware updates | ||
+ | ##* Find bad bases in the detector that are corrupting other bases during bootloader uploads. | ||
+ | ##* About 40 bad pmt bases found in the detector. Manuel: This problem encountered during installation and no fix determined, but Dan might be able to shed some light on it. | ||
+ | ##* Even after reprogramming, the "bad" bases remain bad after reprograming. | ||
+ | ##* Bad bases will be replaced next week and shipped back to IU for Paul to investigate problem. | ||
+ | ## Analysis | ||
+ | ##* Adesh: Changing focus to work on simulation with the goal to find the expected resolution from Monte Carlo. | ||
+ | ##* Jon: Still plans to investigate FCAL efficiencies using various data samples including: omega-> pi0 gamma, omega-> pi+pi-pi0, pi0pi0p exclusive, pi0 p exclusive. | ||
# BCAL Update | # BCAL Update | ||
− | # | + | ## [https://halldweb1.jlab.org/wiki/images/e/ea/BCAL_EFF_Calorimetry_July302015.pdf BCAL Efficiency (Ahmed)] |
+ | ##* There have been some indications for phi dependence in the efficiencies, and discrepancies in layer 4 | ||
+ | ##* Christine: How to undertand efficiencies for layer 4 if tracks may stop in layer 3. Suggest selecting high energy tracks as a way of enhancing the probability for penetrating to layer 4. | ||
+ | ##* David: Notes that the emulation code using mode 8 does not duplicate what is in the firmware for mode 7. Plans to submit some changes to the code to make them more compatible. | ||
+ | ##* Elton: Layer 4 will be complicated to understand. Suggest that the focus be on differences between mode 7 and mode 8 efficiencies for layers 1-3. | ||
+ | ##* George: Comments that the veff determination shows a layer dependence, not a phi dependence except for cosmics in the bottom half of the detector. | ||
+ | ##* Will: does the phi modulation without energy selection in FCAL look the same as with an energy cut? Not yet investigated this. | ||
# [[Calorimetry F250 Firmware]] Discussions | # [[Calorimetry F250 Firmware]] Discussions | ||
− | # Reconstruction and Simulation | + | # Reconstruction and Simulation (Tegan) |
+ | #* Added tdc to the digiHit information in the simulation (similar to what was already included for adc hits) | ||
+ | #* Found that hdgeant was outputting negative times and an adjustment was needed to make them positive, as raw data only has positive integers. | ||
+ | #* Code was tested yesterday and plans to push changes to git soon. | ||
+ | #* Will: Considerations for eliminating negative hits from the clusterizer are under discussion. Encountered some problems with git branches. | ||
+ | #* David: Suggested process is to check in changes to a local branch, push to main (master) repository, then send a pull request. | ||
+ | #* Suggestions/comments regarding git should be sent to Mark Ito for dissemination through offline wiki pages or other documentation. | ||
# Calibration | # Calibration | ||
#* [[Media:Eff_speed.pptx | BCAL - Effective Speed of Light]] (George) | #* [[Media:Eff_speed.pptx | BCAL - Effective Speed of Light]] (George) | ||
# Any other business | # Any other business | ||
# Testing | # Testing |
Revision as of 15:01, 30 July 2015
Contents
Video Conferencing Information
Meeting Time: 11 a.m.
- To join via a Web Browser, go to the page [1] https://bluejeans.com/907185247.
- To join via Polycom room system go to the IP Address: 199.48.152.152 (bjn.vc) and enter the meeting ID: 907185247.
- To join via phone, use one of the following numbers and the Conference ID: 907185247.
- US or Canada: +1 408 740 7256 or
- US or Canada: +1 888 240 2560
- Upon connection all microphones are automatically muted. To unmute your mike on a Polycom or equivalent unit, enter *4. Unmuting on a computer is trivial as there is a microphone button than can be clicked.
- More information on connecting to bluejeans is available.
Participant Direct Lines
- JLab Phone: in CC F326 is 757-269-6460 (usual room)
- JLab Phone in CC L207 is 757-269-7084
- Phone in the Regina Video-conference Suite is 306-585-4204
- Athens Phone: in Christina's office is 011-30-210-727-6947
Action Items
- Change BCAL and FCAL coordinates use the global coordinate system (not the target center). Action of this item is under discussion
References
Tentative Agenda
- Announcements
- Action Items
- Run preparations
- Log Entry 3346764 BCAL Humidity
- Solenoid cooldown and ramp up mid August
- FCAL Update
- BCAL Update
- Calorimetry F250 Firmware Discussions
- Reconstruction and Simulation
- Calibration
- BCAL - Effective Speed of Light (George)
- Any other business
- Testing
Minutes
Attendees: Manuel, Jon, Adesh, David, Elton (JLab); Will, Mike (CMU); George, Christina (Athens); Zisis, Noemi, Ahmed, Tegan (UofR)
- Announcements
- Action Items
- Run preparations
- Log Entry 3346764 BCAL Humidity
- Solenoid cooldown and ramp up mid August
- FCAL Update
- Bases, firmware updates (Jon)
- Hovanes is checking new firmware updates
- Find bad bases in the detector that are corrupting other bases during bootloader uploads.
- About 40 bad pmt bases found in the detector. Manuel: This problem encountered during installation and no fix determined, but Dan might be able to shed some light on it.
- Even after reprogramming, the "bad" bases remain bad after reprograming.
- Bad bases will be replaced next week and shipped back to IU for Paul to investigate problem.
- Analysis
- Adesh: Changing focus to work on simulation with the goal to find the expected resolution from Monte Carlo.
- Jon: Still plans to investigate FCAL efficiencies using various data samples including: omega-> pi0 gamma, omega-> pi+pi-pi0, pi0pi0p exclusive, pi0 p exclusive.
- Bases, firmware updates (Jon)
- BCAL Update
- BCAL Efficiency (Ahmed)
- There have been some indications for phi dependence in the efficiencies, and discrepancies in layer 4
- Christine: How to undertand efficiencies for layer 4 if tracks may stop in layer 3. Suggest selecting high energy tracks as a way of enhancing the probability for penetrating to layer 4.
- David: Notes that the emulation code using mode 8 does not duplicate what is in the firmware for mode 7. Plans to submit some changes to the code to make them more compatible.
- Elton: Layer 4 will be complicated to understand. Suggest that the focus be on differences between mode 7 and mode 8 efficiencies for layers 1-3.
- George: Comments that the veff determination shows a layer dependence, not a phi dependence except for cosmics in the bottom half of the detector.
- Will: does the phi modulation without energy selection in FCAL look the same as with an energy cut? Not yet investigated this.
- BCAL Efficiency (Ahmed)
- Calorimetry F250 Firmware Discussions
- Reconstruction and Simulation (Tegan)
- Added tdc to the digiHit information in the simulation (similar to what was already included for adc hits)
- Found that hdgeant was outputting negative times and an adjustment was needed to make them positive, as raw data only has positive integers.
- Code was tested yesterday and plans to push changes to git soon.
- Will: Considerations for eliminating negative hits from the clusterizer are under discussion. Encountered some problems with git branches.
- David: Suggested process is to check in changes to a local branch, push to main (master) repository, then send a pull request.
- Suggestions/comments regarding git should be sent to Mark Ito for dissemination through offline wiki pages or other documentation.
- Calibration
- BCAL - Effective Speed of Light (George)
- Any other business
- Testing