Difference between revisions of "April 4, 2008 Calorimetry"
From GlueXWiki
(→Tentative Agenda) |
(→Minutes) |
||
Line 38: | Line 38: | ||
=Minutes= | =Minutes= | ||
+ | Attending: UR Zisis, George, Andrei, JLab: Fernando, Tim, Jim, Stewart, Elke, Elton, Carl, Eugene. <br> | ||
+ | |||
+ | # Review Options for Working Group Meeting Time | ||
+ | #* Next meeting will be Tuesday 10:30 ET April 15. | ||
+ | # SiPMs [[Media:080318_jlabs_gant_chart_final.pdf | Schedule]] | ||
+ | #* Criteria for selecting SiPM type. | ||
+ | #* Shipping of SiPMs is becoming problematic. Elke suggested paying for shipping directly to Regina. 2 units to Regina of each type, 3 units to JLab of each type. | ||
+ | #* UR tests | ||
+ | #*# IV curves | ||
+ | #*# Scanning SiPMs for uniformity. Current illumination is 1mm diameter, but improving setup to 0.25 mm diameter to allow for finer scans. | ||
+ | #*# Use coupling to fiber array to measure light yield and normalized to the number of photoelectrons. [Array is about 2x1.8x25 cm3. On one side the fibers are flared out and coupled to a Winston Cone guide. | ||
+ | #* JLab tests, use optical setup using LEDs | ||
+ | #*# IV curve | ||
+ | #*# Linearity of response | ||
+ | #*# Relative gain | ||
+ | #*# Dark rate | ||
+ | #*# Timing characteristics | ||
+ | # [[Private:Fiber Specs | Fiber Specifications]] | ||
+ | #* Response of Kuraray and St. Gobain to the request to JLab sources sought / do we need more samples? | ||
+ | #* How to specify a) Fiber color/spectrum and b) light output | ||
+ | #*[http://argus.phys.uregina.ca/cgi-bin/private/DocDB/ShowDocument?docid=1008 JLab Tests] (Carl) | ||
+ | # Review of Action Item Tracker | ||
+ | #* Fabrication plan and QA /visit to Alberta? | ||
+ | # FCAL Update | ||
+ | #* A few plots that show [http://dustbunny.physics.indiana.edu/~mikornic/FADC/ typical FADC response] and time resolution that migh be achieved (Mihajlo) | ||
+ | # BCAL Update | ||
+ | # [http://argus.phys.uregina.ca/cgi-bin/private/DocDB/ShowDocument?docid=1012 SiPm gain non-uniformities and energy resolution] (Richard) | ||
+ | # Calibration Update / Discussion (Athens) - postponed to next meeting | ||
+ | #* Goals for calibration | ||
+ | #* Deployment in various subsystems | ||
+ | # Any other business |
Revision as of 14:49, 4 April 2008
Connection
- The meeting will be held at 1:00 pm ET (11:00 am MST)
- Phone:
- +1-800-377-8846 : US
- +1-888-276-7715 : Canada
- +1-302-709-8424 : International
- then enter participant code: 39527048# (remember the "#")
Reference Documents
- Previous minutes: March 21, 2008 Calorimetry
- Schedule, Tracker and Drawings (gluex pass)
- Schedule
Tentative Agenda
- Review Options for Working Group Meeting Time
- SiPMs Schedule
- Criteria for selecting SiPM type
- Testing procedures
- What
- Where
- Fiber Specifications
- Response of Kuraray and St. Gobain to the request to JLab sources sought / do we need more samples?
- How to specify a) Fiber color/spectrum and b) light output
- JLab Tests (Carl)
- Review of Action Item Tracker
- Fabrication plan and QA /visit to Alberta?
- FCAL Update
- A few plots that show typical FADC response and time resolution that migh be achieved (Mihajlo)
- BCAL Update
- SiPm gain non-uniformities and energy resolution (Richard)
- Calibration Update / Discussion (Athens) - postponed to next meeting
- Goals for calibration
- Deployment in various subsystems
- Any other business
Minutes
Attending: UR Zisis, George, Andrei, JLab: Fernando, Tim, Jim, Stewart, Elke, Elton, Carl, Eugene.
- Review Options for Working Group Meeting Time
- Next meeting will be Tuesday 10:30 ET April 15.
- SiPMs Schedule
- Criteria for selecting SiPM type.
- Shipping of SiPMs is becoming problematic. Elke suggested paying for shipping directly to Regina. 2 units to Regina of each type, 3 units to JLab of each type.
- UR tests
- IV curves
- Scanning SiPMs for uniformity. Current illumination is 1mm diameter, but improving setup to 0.25 mm diameter to allow for finer scans.
- Use coupling to fiber array to measure light yield and normalized to the number of photoelectrons. [Array is about 2x1.8x25 cm3. On one side the fibers are flared out and coupled to a Winston Cone guide.
- JLab tests, use optical setup using LEDs
- IV curve
- Linearity of response
- Relative gain
- Dark rate
- Timing characteristics
- Fiber Specifications
- Response of Kuraray and St. Gobain to the request to JLab sources sought / do we need more samples?
- How to specify a) Fiber color/spectrum and b) light output
- JLab Tests (Carl)
- Review of Action Item Tracker
- Fabrication plan and QA /visit to Alberta?
- FCAL Update
- A few plots that show typical FADC response and time resolution that migh be achieved (Mihajlo)
- BCAL Update
- SiPm gain non-uniformities and energy resolution (Richard)
- Calibration Update / Discussion (Athens) - postponed to next meeting
- Goals for calibration
- Deployment in various subsystems
- Any other business