Difference between revisions of "TDIS Bi-monthly meeting, 2018 April 3"

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== Agenda ==
 
== Agenda ==
  
* Ed: updates about
+
* Test stand and FEC (Ed): [https://hallaweb.jlab.org/wiki/images/9/90/Test_Stand_2.pdf] and [https://hallaweb.jlab.org/wiki/images/e/e0/FEC_versions.pdf]
* Target design update,[https://hallaweb.jlab.org/wiki/images/b/b4/Tdis_target.pdf]  
+
* Target design update (Dipangkar): [https://hallaweb.jlab.org/wiki/images/b/b4/Tdis_target.pdf]
 +
* Readout design (Kondo): [https://hallaweb.jlab.org/wiki/images/5/59/MTPC_padReadout.pdf]
 
* General updates by everyone
 
* General updates by everyone
  
 
== Minutes ==
 
== Minutes ==
 +
 +
* JLEIC fellowship to support student or post-doc - CHECK ANNOUNCEMENT! [https://www.eiccenter.org/jefferson-lab-eic-fellowships]
 +
** TDIS could be considered here
 +
 +
* Test stand (Ed):
 +
** Prepared document defining what we will be doing here at JLab
 +
** Plan to order CRU from Alice
 +
** Elevated costs of FEC built by Oak Ridge
 +
** Five FEC planned in order list
 +
** TPC with Flex circuitry may be the reason for elevated costs of FEC
 +
** Prototype level: hard connection for now (we don't need the flex circuitry at this moment)
 +
 +
* Target/detector design for prototype (Dutta):
 +
** support to hold target centered/aligned (2 main ideas being developed)
 +
** kapton to be stretched to make cell straight, as suggested by target group
 +
** Background particles - we should minimize material downstream
 +
** chiller outside to keep target at 80K
 +
** Do we really need cold target? Simulation should address that soon, since this defines important changes to the design.
 +
*** For example, BONUS is considering 7.5atm deuterium in 40cm long straw at room temperature. Simulate this condition and compare!
 +
** Pressure tests to be done (with target group)
 +
** Consider to reduce end cap thickness (reduce background)
 +
 +
* Readout design (Kondo):
 +
** UVA discussing design of readout for prototype - sizes of pad elements
 +
** Simulations have shown high occupancy in inner radius - smaller elements planned for inner radii
 +
** More simulations needed to define sizes of readout elements
 +
** Studies of connections to the readout board during prototype phase
  
 
==Organizational details==
 
==Organizational details==

Latest revision as of 16:10, 3 April 2018

Back to Tagged DIS run group >> Bi-monthly TDIS meetings

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Agenda

  • Test stand and FEC (Ed): [1] and [2]
  • Target design update (Dipangkar): [3]
  • Readout design (Kondo): [4]
  • General updates by everyone

Minutes

  • JLEIC fellowship to support student or post-doc - CHECK ANNOUNCEMENT! [5]
    • TDIS could be considered here
  • Test stand (Ed):
    • Prepared document defining what we will be doing here at JLab
    • Plan to order CRU from Alice
    • Elevated costs of FEC built by Oak Ridge
    • Five FEC planned in order list
    • TPC with Flex circuitry may be the reason for elevated costs of FEC
    • Prototype level: hard connection for now (we don't need the flex circuitry at this moment)
  • Target/detector design for prototype (Dutta):
    • support to hold target centered/aligned (2 main ideas being developed)
    • kapton to be stretched to make cell straight, as suggested by target group
    • Background particles - we should minimize material downstream
    • chiller outside to keep target at 80K
    • Do we really need cold target? Simulation should address that soon, since this defines important changes to the design.
      • For example, BONUS is considering 7.5atm deuterium in 40cm long straw at room temperature. Simulate this condition and compare!
    • Pressure tests to be done (with target group)
    • Consider to reduce end cap thickness (reduce background)
  • Readout design (Kondo):
    • UVA discussing design of readout for prototype - sizes of pad elements
    • Simulations have shown high occupancy in inner radius - smaller elements planned for inner radii
    • More simulations needed to define sizes of readout elements
    • Studies of connections to the readout board during prototype phase

Organizational details

11:00 AM, JLab meeting room: CC A110
To join the Meeting:
https://bluejeans.com/550335940
To join via Room System:
Video Conferencing System: bjn.vc -or-199.48.152.152
Meeting ID : 550335940
To join via phone :
  1. Dial:
    +1.408.740.7256 (United States)
    +1.888.240.2560 (US Toll Free)
    +1.408.317.9253 (Alternate number)
    (see all numbers - http://bluejeans.com/numbers)
  2. Enter Conference ID : 550335940