Difference between revisions of "Dec 1, 2016 Calorimeter"
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* Produce documentation for implementation of timing algorithms and constants (Andrei) | * Produce documentation for implementation of timing algorithms and constants (Andrei) | ||
− | * Andrei to send reference to Will for BCAL_mevPerPE constant | + | * <strike> Andrei to send reference to Will for BCAL_mevPerPE constant </strike> Send a couple of weeks ago |
− | * Will will extend the range of the plot for simulated resolutions to higher energy (e.g. 5 GeV) [https://logbooks.jlab.org/files/2016/11/3435635/smearing_update_0.pdf] | + | * <strike> Will will extend the range of the plot for simulated resolutions to higher energy (e.g. 5 GeV) </strike> [https://logbooks.jlab.org/files/2016/11/3435635/smearing_update_0.pdf Updated Log Entry] |
− | * Check that the charged track extrapolation inside the BCAL follows the magnetic field. | + | * <strike> Check that the charged track extrapolation inside the BCAL follows the magnetic field. </strike> The tracking is following tracks through the magnetic field. |
= References = | = References = | ||
Line 45: | Line 45: | ||
= Minutes = | = Minutes = | ||
− | ''Attendees: | + | ''Attendees: Elton, Jon, George, Adesh, Mark (JLab); Matt (IU); Christina (Athens); Curtis, Will (CMU); Andrei (UofR) |
+ | |||
+ | # Announcements | ||
+ | #* Accelerator is running smoothly for Hall A at 5 pass. The decision has been made not to reinstall the separator cavities during the run. We have requested to get at least on week of beam before the shutdown. | ||
+ | # Action Items | ||
+ | #* Several items completed. | ||
+ | # Run preparations | ||
+ | #* Long cosmic-ray run completed over Thanksgiving. Beni is planning to take more comics this weekend. | ||
+ | #* We should check that LED pulsers are on for both Bcal and Fcal. | ||
+ | # FCAL update | ||
+ | ## Bases (Jon) | ||
+ | ##* Matt stresses that Chris should diligently continue repairing bases | ||
+ | ##* Chris is repairing about 5 bases per day. | ||
+ | ##* Identified the first verified case of a bases with nominal fixes (by Chris) has failed after about 60 hours of testing | ||
+ | ##* Base has rebounded on its own. Waiting for continuous failure to remove from test setup and let Chris diagnose failure. | ||
+ | ##* Fernando continues to check design for possible weaknesses. | ||
+ | ## [[Media:EfficiencyStudiesDec1.pdf | Studies using omega decays]] (Jon) | ||
+ | ##* Work in progress | ||
+ | ##* Updated software has been used to look at omega->pi+pi-pi0, pi0->g(g), and omega->pi0(g) and compare with previous results | ||
+ | ##* Considerable improvement in the use of the kinematic fit for those reactions | ||
+ | ##* Mark: Can one also look for bachelor photons? Yes, but completed yet | ||
+ | ##* Curtis: What is the beam energy selection? Eg selection is 8.1-9GeV. Could expand to lower energies and increase statistics | ||
+ | ##* Mark: What was the confidence level cut? CL cut is 1%. | ||
+ | # BCAL update | ||
+ | # Calibrations | ||
+ | # Reconstruction and Simulation | ||
+ | ##[https://logbooks.jlab.org/entry/3441888 BCAL Clustering charged particles try1] (Will M.) | ||
+ | ##* Will has completed a nice study of possible clustering strategies for charged particles. | ||
+ | ##* Initial algorithms did not perform much better than the existing neutral clustering. | ||
+ | ##* Plan to investigate clustering based on empirical shower shapes. | ||
+ | ##* Feedback is welcome on the posted log entry | ||
+ | # Any other business | ||
+ | #* George is looking into the pi0->ge+e- decay for calorimetry studies as well as an easy rare decay. | ||
+ | #* With the reduction in the accelerator schedule, we should devote effort to completing NIM articles for the Bcal and Fcal. |
Latest revision as of 15:11, 1 December 2016
Contents
Video Conferencing Information
Meeting Time: 11:00 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
- Produce documentation for implementation of timing algorithms and constants (Andrei)
-
Andrei to send reference to Will for BCAL_mevPerPE constantSend a couple of weeks ago -
Will will extend the range of the plot for simulated resolutions to higher energy (e.g. 5 GeV)Updated Log Entry -
Check that the charged track extrapolation inside the BCAL follows the magnetic field.The tracking is following tracks through the magnetic field.
References
Tentative Agenda
- Announcements
- Action Items
- Run preparations
- FCAL update
- BCAL update
- Calibrations
- Reconstruction and Simulation
- BCAL Clustering charged particles try1 (Will M.)
- Any other business
Minutes
Attendees: Elton, Jon, George, Adesh, Mark (JLab); Matt (IU); Christina (Athens); Curtis, Will (CMU); Andrei (UofR)
- Announcements
- Accelerator is running smoothly for Hall A at 5 pass. The decision has been made not to reinstall the separator cavities during the run. We have requested to get at least on week of beam before the shutdown.
- Action Items
- Several items completed.
- Run preparations
- Long cosmic-ray run completed over Thanksgiving. Beni is planning to take more comics this weekend.
- We should check that LED pulsers are on for both Bcal and Fcal.
- FCAL update
- Bases (Jon)
- Matt stresses that Chris should diligently continue repairing bases
- Chris is repairing about 5 bases per day.
- Identified the first verified case of a bases with nominal fixes (by Chris) has failed after about 60 hours of testing
- Base has rebounded on its own. Waiting for continuous failure to remove from test setup and let Chris diagnose failure.
- Fernando continues to check design for possible weaknesses.
- Studies using omega decays (Jon)
- Work in progress
- Updated software has been used to look at omega->pi+pi-pi0, pi0->g(g), and omega->pi0(g) and compare with previous results
- Considerable improvement in the use of the kinematic fit for those reactions
- Mark: Can one also look for bachelor photons? Yes, but completed yet
- Curtis: What is the beam energy selection? Eg selection is 8.1-9GeV. Could expand to lower energies and increase statistics
- Mark: What was the confidence level cut? CL cut is 1%.
- Bases (Jon)
- BCAL update
- Calibrations
- Reconstruction and Simulation
- BCAL Clustering charged particles try1 (Will M.)
- Will has completed a nice study of possible clustering strategies for charged particles.
- Initial algorithms did not perform much better than the existing neutral clustering.
- Plan to investigate clustering based on empirical shower shapes.
- Feedback is welcome on the posted log entry
- BCAL Clustering charged particles try1 (Will M.)
- Any other business
- George is looking into the pi0->ge+e- decay for calorimetry studies as well as an easy rare decay.
- With the reduction in the accelerator schedule, we should devote effort to completing NIM articles for the Bcal and Fcal.