Difference between revisions of "Jun 19, 2012 Calorimetry"
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(→Minutes) |
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# Cables | # Cables | ||
− | #* Establish cabling for Bcal and Fcal into racks | + | #* <strike> Establish cabling for Bcal and Fcal into racks </strike> Lists have been sent to Fernando. Still need to double check the lists. |
# Mechanical | # Mechanical | ||
#* Check features in Fcal support structure for cable passages and plexiglas support, and space between window frames on glass and plexiglass (Elton, Tim) | #* Check features in Fcal support structure for cable passages and plexiglas support, and space between window frames on glass and plexiglass (Elton, Tim) | ||
# Monitoring | # Monitoring | ||
− | #* Check status of monitoring control boards at JLab (David). | + | #* <strike>Check status of monitoring control boards at JLab (David).</strike> |
= Tentative Agenda = | = Tentative Agenda = | ||
− | + | ||
# Announcements | # Announcements | ||
# Review of Action Items | # Review of Action Items | ||
Line 36: | Line 36: | ||
# BCAL | # BCAL | ||
## Cosmics at Regina | ## Cosmics at Regina | ||
+ | ## Cosmics run plan (SiPMs) & LEDs at JLab | ||
## Update on [[BCAL Beam Tests 2012]] | ## Update on [[BCAL Beam Tests 2012]] | ||
##* [[SiPM Bias and Board Amplification]] Discussion | ##* [[SiPM Bias and Board Amplification]] Discussion | ||
# USM update | # USM update | ||
− | ##[[Media:USMReport18.pdf|SiPM Update]](Javiera) | + | ##[[Media:USMReport18.pdf|SiPM Update]] (Javiera) |
# TDR update | # TDR update | ||
## [[Private:Instructions for the TDR | Instructions for the TDR]] (You must be logged into the wiki to access this page). | ## [[Private:Instructions for the TDR | Instructions for the TDR]] (You must be logged into the wiki to access this page). | ||
Line 49: | Line 50: | ||
=Minutes= | =Minutes= | ||
− | ''Attendees: | + | ''Attendees: Elton, David, Beni, Tara, Tim, Eugene (JLab); Zisis, Andrei (UofR); Javiera, Will, Hayk, Serguei (USM); Matt (IU); Christina, George, Pavlos, Stratos (Athens) |
+ | |||
+ | # Announcements | ||
+ | # Review of Action Items | ||
+ | # Monitoring | ||
+ | ## Urgent orders are out | ||
+ | ##* LED boards have been ordered, should be received by end of the month | ||
+ | ##* Flex cables requested but not confirmed | ||
+ | ##* All effort is being made to speed up the production. Hope to have boards by the end of July. | ||
+ | ## LED system on Mini BCAL | ||
+ | ##* [[Mini-BCAL Update June 19, 2012|JLab bench testing]] (Tara/David?) | ||
+ | ##* Screen shots of pulses. Far/near ratio~2.25 but large variation. | ||
+ | ##* Andrei: It appears that the variation is due to the size of the near signal | ||
+ | ##* Christina: All LEDS in production will be tested and can be selected for best match in each string of 10. | ||
+ | ##* Will: Two-component optical RTV was used previously and without primer adhesion is moderated and would allow replacement of LEDs | ||
+ | # FCAL | ||
+ | ## Frame construction Status | ||
+ | ##* Machining of steel support structure is almost complete | ||
+ | ##* Al parts are almost complete. A workaround is being developed for a small machining mistake. | ||
+ | ##* Note that 3 1.5" holes in each corner are included for monitoring communications. Elton and Tim to check. | ||
+ | ##* George: Requested that Matt send the drawings to verify sizes. Matt has already done this. | ||
+ | ##* Assembly should start next week. | ||
+ | ## Cockcroft-Walton Bases | ||
+ | ##* Production has sped up and currently matches the rate to put them together. | ||
+ | ##* At this rate, should be complete by mid-July. | ||
+ | ##* An extension to the contract has been requested and is in progress. Elton should check status. | ||
+ | ## Cables | ||
+ | ##* Secured cable label printer and setting it up | ||
+ | ##* Will label the 1600 cables at IU before shipping. | ||
+ | # BCAL | ||
+ | ## Cosmics at Regina | ||
+ | ##* Preparing to use 2010 prototype to check normalization procedures using cosmics | ||
+ | ##* 2 light guides on top for SiPMs and one on bottom for calibrated pmt | ||
+ | ##* Five paris of trigger counters to accumulate statistics quicker. | ||
+ | ##* Almost ready to start studies | ||
+ | ## Update on [[BCAL Beam Tests 2012]] | ||
+ | ##* Irina ha simulated 5deg/2 GeV data. Files are available but not yet analyzed | ||
+ | ##* Preliminary look indicates significant leakage as we see in the data. Resolution will be degraded but MC and data comparisons should be useful. | ||
+ | ##* [[SiPM Bias and Board Amplification]] Discussion | ||
+ | # USM update | ||
+ | ##[[Media:USMReport18.pdf|SiPM Update]] (Javiera) | ||
+ | ##* Stage 3: Power supply from CAEN arrived on June 8 and testing resumed on June 12 | ||
+ | ##* Stage 2: 214 PDE measured, need 66 more to complete testing in this stage | ||
+ | ##* Final shipments from Hamamatsu are scheduled to be complete mid July. | ||
+ | ##* Will: Should consider number of spares needed in case we wish to add onto the current USM order. | ||
+ | ##* Serguei: If additional 32 units ordered, they could be placed into the Stage 3 test setup and run continuously to check stability | ||
+ | # TDR update | ||
+ | ## [[Private:Instructions for the TDR | Instructions for the TDR]] (You must be logged into the wiki to access this page). | ||
+ | ## We need to start revising Chapter 4 Detector, Section 4.3 Calorimetry. | ||
+ | ## Calibration of Calorimeters | ||
+ | # Simulations/Reconstruction | ||
+ | # Any other business |
Latest revision as of 14:26, 19 June 2012
Teleconference Time: 11:00 a.m. EST'
- ESNET (Number is 8542553) and EVO session (GlueX Calorimetry meeting room)
- Phone connection only upon request.
- +1-866-740-1260 : US+Canada
- +1-303-248-0285 : International
- then enter participant code: 3421244# (remember the "#").
- or www.readytalk.com (and code without the #)
Contents
Participant Direct Lines
- JLab Phone: in CC F326 is 757-269-6337 (usual room)
- JLab Phone in CC L207 is 757-269-7084
- Phone in the Regina Videoconference Suite is 306-585-4204
- Athens Phone: in Christina's office is 011-30-210-727-6947
Items for followup from previous meeting(s)
- Cables
-
Establish cabling for Bcal and Fcal into racksLists have been sent to Fernando. Still need to double check the lists.
-
- Mechanical
- Check features in Fcal support structure for cable passages and plexiglas support, and space between window frames on glass and plexiglass (Elton, Tim)
- Monitoring
-
Check status of monitoring control boards at JLab (David).
-
Tentative Agenda
- Announcements
- Review of Action Items
- Monitoring
- LED system on Mini BCAL
- JLab bench testing (Tara/David?)
- LED system on Mini BCAL
- FCAL
- Construction Status
- 2011 Hall B FCAL Beam Test (John)
- BCAL
- Cosmics at Regina
- Cosmics run plan (SiPMs) & LEDs at JLab
- Update on BCAL Beam Tests 2012
- SiPM Bias and Board Amplification Discussion
- USM update
- SiPM Update (Javiera)
- TDR update
- Instructions for the TDR (You must be logged into the wiki to access this page).
- We need to start revising Chapter 4 Detector, Section 4.3 Calorimetry.
- Calibration of Calorimeters
- Simulations/Reconstruction
- Any other business
Minutes
Attendees: Elton, David, Beni, Tara, Tim, Eugene (JLab); Zisis, Andrei (UofR); Javiera, Will, Hayk, Serguei (USM); Matt (IU); Christina, George, Pavlos, Stratos (Athens)
- Announcements
- Review of Action Items
- Monitoring
- Urgent orders are out
- LED boards have been ordered, should be received by end of the month
- Flex cables requested but not confirmed
- All effort is being made to speed up the production. Hope to have boards by the end of July.
- LED system on Mini BCAL
- JLab bench testing (Tara/David?)
- Screen shots of pulses. Far/near ratio~2.25 but large variation.
- Andrei: It appears that the variation is due to the size of the near signal
- Christina: All LEDS in production will be tested and can be selected for best match in each string of 10.
- Will: Two-component optical RTV was used previously and without primer adhesion is moderated and would allow replacement of LEDs
- Urgent orders are out
- FCAL
- Frame construction Status
- Machining of steel support structure is almost complete
- Al parts are almost complete. A workaround is being developed for a small machining mistake.
- Note that 3 1.5" holes in each corner are included for monitoring communications. Elton and Tim to check.
- George: Requested that Matt send the drawings to verify sizes. Matt has already done this.
- Assembly should start next week.
- Cockcroft-Walton Bases
- Production has sped up and currently matches the rate to put them together.
- At this rate, should be complete by mid-July.
- An extension to the contract has been requested and is in progress. Elton should check status.
- Cables
- Secured cable label printer and setting it up
- Will label the 1600 cables at IU before shipping.
- Frame construction Status
- BCAL
- Cosmics at Regina
- Preparing to use 2010 prototype to check normalization procedures using cosmics
- 2 light guides on top for SiPMs and one on bottom for calibrated pmt
- Five paris of trigger counters to accumulate statistics quicker.
- Almost ready to start studies
- Update on BCAL Beam Tests 2012
- Irina ha simulated 5deg/2 GeV data. Files are available but not yet analyzed
- Preliminary look indicates significant leakage as we see in the data. Resolution will be degraded but MC and data comparisons should be useful.
- SiPM Bias and Board Amplification Discussion
- Cosmics at Regina
- USM update
- SiPM Update (Javiera)
- Stage 3: Power supply from CAEN arrived on June 8 and testing resumed on June 12
- Stage 2: 214 PDE measured, need 66 more to complete testing in this stage
- Final shipments from Hamamatsu are scheduled to be complete mid July.
- Will: Should consider number of spares needed in case we wish to add onto the current USM order.
- Serguei: If additional 32 units ordered, they could be placed into the Stage 3 test setup and run continuously to check stability
- SiPM Update (Javiera)
- TDR update
- Instructions for the TDR (You must be logged into the wiki to access this page).
- We need to start revising Chapter 4 Detector, Section 4.3 Calorimetry.
- Calibration of Calorimeters
- Simulations/Reconstruction
- Any other business