Difference between revisions of "Wednesday, October 25, 2017"
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== Minutes == | == Minutes == | ||
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=== Trigger/DAQ === | === Trigger/DAQ === | ||
| − | + | * Dead-time studies are planned for next week | |
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=== HMS === | === HMS === | ||
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==== 12 GeV Drift Chambers ==== | ==== 12 GeV Drift Chambers ==== | ||
| + | * The chambers are going to be installed in the stack tomorrow | ||
| + | ** The dipole probe work is being completed today | ||
| + | * Chuck fabricated the LV box and will hook it up tomorrow | ||
| + | * Prior to installation it was suggested that they take data with the 4 reference times and replay the data with the new 12 GeV configuration to ensure functionality | ||
| + | * Need to update maps for 12 GeV chamber wiring scheme | ||
| + | ** This will need to be handled via standard.database | ||
| + | ==== Shower ==== | ||
| − | + | * Work is on going regarding gain matching | |
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=== SHMS === | === SHMS === | ||
| Line 68: | Line 43: | ||
==== GEM ==== | ==== GEM ==== | ||
| − | + | * Currently analyzing cosmic data in an attempt to understand issues regarding the reference times | |
| − | + | * Running parasitically with other detectors and productions triggers | |
| − | + | * SHMS_allGEM ROL has been reconfigured so that the GEM data will only go to the data stream if a GEM specific trigger is found | |
| − | + | * They are moving the power supply to the enclosure, GEM operations will be halted until completion | |
| − | + | * GEM software is being installed on cdaq for public use | |
| − | + | * Work is ongoing with integrating the GEM software into hcana | |
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==== Hodoscopes ==== | ==== Hodoscopes ==== | ||
| − | + | * 12 quartz bars have been fabricated | |
| + | * Remaining four cookies for one side are curing, then they be flipped and the other 4 will be made on Saturday | ||
| + | * 8 bars are being tested at a time in the cosmic test stand | ||
| + | * The plan is take 12 days of cosmic data per 8 bars | ||
| + | * The plan is install the bars onto the frame on Nov 18 and then put them in the stack | ||
| + | * In principle the plane should be ready by nov 20 (Monday) | ||
| + | * Commissioning run plan is in progress, will look at pulse integral for NPE count | ||
| + | ** Check efficiencies, will compare to discriminator thresholds | ||
| + | * Plan is write some code to quantitatively measure the gain matching for each of the tubes | ||
| + | * Abel is working on the 3/4 and TOF efficiency measurements | ||
==== Heavy Gas Cherenkov ==== | ==== Heavy Gas Cherenkov ==== | ||
| − | + | * Simulation is going well, candidates for where pe is being lost is being investigated | |
| + | * Optical grease and RTV are the leading candidates | ||
| + | * If modifications to hardware are planned it will be done prior to the fall run | ||
| + | * Commissioning run plan is being developed | ||
==== Aerogel Cerenkov ==== | ==== Aerogel Cerenkov ==== | ||
| + | * Received pmt from CUA however they received the wrong PMT with a low QE and a different window | ||
| + | * They will receive a new PMT sometime next week | ||
| + | * Will immediately test and install | ||
| + | ==== Shower/Pre-shower ==== | ||
| − | + | * Good to go however more test are required for the pre-shower due to a noisy channel but work is ongoing | |
| + | * Will start cosmic run today | ||
Latest revision as of 11:19, 25 October 2017
Meeting Information
- Location CC L210A, 11 am
- DocDB
Blue Jeans Connection Information
- https://bluejeans.com/895800575
- Just want to dial in on your phone?
- +1.408.740.7256 (US)
- +1.888.240.2560 (US Toll Free)
- +1.408.317.9253 (Alternate number)
- http://bluejeans.com/numbers
- Enter Meeting ID: 895800575
- Press #
Agenda
- Commissioning plan updates from detector systems
- Status update from detector owners, calibrations, efficiencies, etc.
- Review systems owners and update information
- Address system specific points of interest for the Fall 2017 run
Minutes
Trigger/DAQ
- Dead-time studies are planned for next week
HMS
12 GeV Drift Chambers
- The chambers are going to be installed in the stack tomorrow
- The dipole probe work is being completed today
- Chuck fabricated the LV box and will hook it up tomorrow
- Prior to installation it was suggested that they take data with the 4 reference times and replay the data with the new 12 GeV configuration to ensure functionality
- Need to update maps for 12 GeV chamber wiring scheme
- This will need to be handled via standard.database
Shower
- Work is on going regarding gain matching
SHMS
GEM
- Currently analyzing cosmic data in an attempt to understand issues regarding the reference times
- Running parasitically with other detectors and productions triggers
- SHMS_allGEM ROL has been reconfigured so that the GEM data will only go to the data stream if a GEM specific trigger is found
- They are moving the power supply to the enclosure, GEM operations will be halted until completion
- GEM software is being installed on cdaq for public use
- Work is ongoing with integrating the GEM software into hcana
Hodoscopes
- 12 quartz bars have been fabricated
- Remaining four cookies for one side are curing, then they be flipped and the other 4 will be made on Saturday
- 8 bars are being tested at a time in the cosmic test stand
- The plan is take 12 days of cosmic data per 8 bars
- The plan is install the bars onto the frame on Nov 18 and then put them in the stack
- In principle the plane should be ready by nov 20 (Monday)
- Commissioning run plan is in progress, will look at pulse integral for NPE count
- Check efficiencies, will compare to discriminator thresholds
- Plan is write some code to quantitatively measure the gain matching for each of the tubes
- Abel is working on the 3/4 and TOF efficiency measurements
Heavy Gas Cherenkov
- Simulation is going well, candidates for where pe is being lost is being investigated
- Optical grease and RTV are the leading candidates
- If modifications to hardware are planned it will be done prior to the fall run
- Commissioning run plan is being developed
Aerogel Cerenkov
- Received pmt from CUA however they received the wrong PMT with a low QE and a different window
- They will receive a new PMT sometime next week
- Will immediately test and install
Shower/Pre-shower
- Good to go however more test are required for the pre-shower due to a noisy channel but work is ongoing
- Will start cosmic run today
