Difference between revisions of "September 13, 2017, Production & Analysis Working Group"
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#* Will do another mini-launch once next round of trigger simulation updates are in and tested | #* Will do another mini-launch once next round of trigger simulation updates are in and tested | ||
#* Looked at some FCAL monitoring plots, Matt and Elton reminded to make sure that only physics triggers are used. | #* Looked at some FCAL monitoring plots, Matt and Elton reminded to make sure that only physics triggers are used. | ||
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=== Analysis Focus: Total Cross Sections, Acceptance Corrections === | === Analysis Focus: Total Cross Sections, Acceptance Corrections === |
Revision as of 17:22, 13 September 2017
Contents
Meeting Time and Place
The meeting will be on Wednesday September 13, 2017 at 2:00 pm EDT. For those people at Jefferson Lab, the meeting will be in room F326.
Meeting Connections
- To join via a Web Browser, go to the page [1] https://bluejeans.com/115815824.
- To join via Polycom room system go to the IP Address: 199.48.152.152 (bjn.vc) and enter the meeting ID: 115815824.
- To join via phone, use one of the following numbers and the Conference ID: 115815824.
- US or Canada: +1 408 740 7256 or
- US or Canada: +1 888 240 2560
- More information on connecting to bluejeans is available.
Reconstruction & Analysis Studies Status
Agenda
- Announcements
- Data Production
- Analysis Focus
- This Week's Studies
- Any other studies
- Upcoming Study Schedule
This Week's Topics
- Talks: Summary/overviews only. Detailed discussions should be held in the appropriate working groups.
- Talks should be limited to 10 + 5 minutes.
Data Production
- Monitoring Update --- Thomas Britton
- Processing Update --- Alex Austregesilo
- Calibration Update --- Sean Dobbs
- Simulations Update --- Sean Dobbs
Simulation Reports
15 Minute summaries of progress and future plans on the 2017 mcsmear Workplan.
Analysis Focus: Total Cross Sections, Acceptance Corrections
- J/Ψ, φ --- Lubomir
- η, ρ, ω, φ --- Simon
- φ --- Thomas
- ω --- Cristiano
- Any others?
- ρ --- Alex (2017)
- η' --- Marouen (2016, 2017)
Studies: Alignment & Track/Shower Efficiencies
(i.e. Is the detector working?) Updates on experiment, simulation, and the comparison between the two.
- Drift chamber alignment --- Mike Staib, Alex Barnes
- Tracking Efficiencies --- Paul Mattione, Cristiano Fanelli
- BCAL Shower Efficiencies --- Elton Smith
- FCAL Shower Efficiencies --- Jon Zarling
- Quick look at trigger simulation in channel omega->3pi
Upcoming Study Schedule
- Updates on experiment, simulation, and the comparison between the two.
- Summary/overviews only. Detailed discussions should be held in the appropriate working groups.
- All talks should be limited to 10 + 5 minutes.
Next week: Miscellaneous Updates on experiment, simulation, and the comparison between the two.
- FCAL Shower Efficiencies --- Jon Zarling
- Track / Hit Matching: BCAL, FCAL, TOF, SC --- Paul Mattione, Simon
- Efficiencies: TOF, SC --- Beni, Mahmoud
- Means & Resolutions (time, energy, dE/dx): Tracking, BCAL, FCAL, SC, TOF
- Uncertainties: PID (BCAL, FCAL, TOF, dE/dx), Kinfit (BCAL, FCAL, tracking)
- Channel/Analysis Studies: Branching ratios, cross sections, SDMEs, beam asymmetries
- Other reconstruction/analysis issues
The week after next: Beamline & Triggering
- Flux --- Justin
- Beam energy --- Beamline Group
- Polarization (TPOL & lineshape) --- Beamline Group
- Beam Asymmetries --- Alex Austregesilo
- Trigger emulation --- Alex Somov
- Triggering efficiency --- Alex Somov
The following week: Hit Efficiencies (i.e. Is the detector working?) Updates on experiment, simulation, and the comparison between the two.
- CDC Hit Efficiencies --- Naomi Jarvis
- FDC Hit Efficiencies --- Alex Austregesilo
- BCAL Hit Efficiencies --- Elton Smith
- FCAL Hit Efficiencies --- Jon Zarling
Minutes
Data Production
- Monitoring Update --- Thomas: things still looking good
- Processing Update --- Alex A.: Sean requested another monitoring launch over 2017 data. It is ~50% completed.
- Calibration Update --- Sean checked in on the progress for updates for the next reconstruction launch.
- Naomi and Will shall check in their updates by the end of the week to check in the next monitoring launch.
- We need more people to look at their kinematic fitter outputs to determine how accurate the current fit errors are.
- Paul: Add in Simon's improvements of track extrapolation
- Justin showed some slides trying to understand the π0 yield run dependence
- Difference between 2016 and 2017 yields remains.
- Looking at run-by-run variations shows that the last FCAL HV set leads to loss of showers at larger FCAL radii.
- This is supported by an analysis using a fiducial cut that removes this region. A ~20% drop in the high rate data remains. Various systematic effects/studies were discussed.
- Eugene: Should look at fully charged modes to see if there is a similar effect.
- Matt: The HV changes were generally small, order of 10 V. The resulting gain changes were ~10-20%.
- Alex A.: What is the loss in acceptance due to the fiducial cut. Justin: Numbers not on hand, maybe ~30%.
- Simulations Update --- Sean showed a few slides with an initial check of the trigger simulation.
- First step is consistency check running the algorithm on data. Physics trigger generally close, BCAL-only trigger agrees within ~20%
- Alex S.: Agrees with his previous studies, known problems with mode 7 data.
- Working on more detailed checks, reweighing of bggen events.
- Paul M.: Please check rates of events where both triggers are fired.
- Will do another mini-launch once next round of trigger simulation updates are in and tested
- Looked at some FCAL monitoring plots, Matt and Elton reminded to make sure that only physics triggers are used.
Analysis Focus: Total Cross Sections, Acceptance Corrections
- J/Ψ, φ --- Lubomir
- η, ρ, ω, φ --- Simon
- φ --- Thomas
- ω --- Cristiano
- Any others?
- ρ --- Alex (2017)
- η' --- Marouen (2016, 2017)
Studies: Alignment & Track/Shower Efficiencies
(i.e. Is the detector working?) Updates on experiment, simulation, and the comparison between the two.
- Drift chamber alignment --- Mike Staib, Alex Barnes
- Tracking Efficiencies --- Paul Mattione, Cristiano Fanelli
- BCAL Shower Efficiencies --- Elton Smith
- FCAL Shower Efficiencies --- Jon Zarling
- Quick look at trigger simulation in channel omega->3pi