Difference between revisions of "January 14, 2021 CPP Design Meeting ERR discussion"

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== Agenda ==
 
== Agenda ==
 
* Minutes from last meeting https://halldweb.jlab.org/wiki/index.php/December_17,_2020_CPP_Design_Meeting
 
* Minutes from last meeting https://halldweb.jlab.org/wiki/index.php/December_17,_2020_CPP_Design_Meeting
−
* Readiness Review Mid February? [[Media:CPP_ERR_Charge.pdf]]
+
* Readiness Review February 10
 +
** Charge [[Media:HallD_CPP-NPP_charge.pdf]]
 +
** Agenda?
 +
** [[CPP and NPP Readiness Review]]
 
* Schedule  
 
* Schedule  
−
           [[Media:CPP_Schedule_before_primex.pdf]]  
+
           [[Media:CPP_Schedule_before_primex_v2.pdf]]  
 
           [[Media:CPP_Schedule_after_primex.pdf]]
 
           [[Media:CPP_Schedule_after_primex.pdf]]
−
* Solid Pb target support and installation [[Media:CPP_Target_pic.pdf]] [[Media:CPP_Target_dwg.pdf]]
+
* Solid Pb target support and installation [[Media:CPP_Target_pic.pdf]]  
−
* Beam vacuum pipe needed for the experiment. (Target is located at z=1 cm, 64 cm upstream of nominal GlueX)
+
−
* Relocation of CDC FADC electronics for use with the muon chamber [[Media:CPP_Electronics_enclosure.pdf]]
+
−
* Review that there are no interferences for the new grounding shields for the muon chamber electronics.
+
 
* Design/Procurement status
 
* Design/Procurement status
 +
* New Detector position - 3 inches DS to make dark room bigger
  
 
* Things to work out
 
* Things to work out
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** Modified US vacuum system
 
** Modified US vacuum system
 
** Solid target installation
 
** Solid target installation
 +
** Documentation for ERR
  
 
== Minutes and Action Items ==
 
== Minutes and Action Items ==
−
* Request for ERR submitted
+
* ERR discussed - 3 talks to address charge questions
−
* We need to show that everything is in place for a successful experiment
+
** Decided to use schedule with CPP run first then Primex - keep other as backup
−
** Design status
+
* Target Discussion
−
** Procurement schedule/status
+
** Rory has target from previous experiment we will use (lead)
−
** Installation schedule
+
** Need manual insertion of lead and empty target with good precision (change 1X per day)
−
*** For installing prior to 2022 run - full detector then uninstall a portion to run Primex
+
** Need vacuum right up to target (thin kapton window -125 microns)
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*** For Installing in middle of 2022 run
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** Desire helium bag inside CDC
−
** Installation procedure
+
** Need to develop design for target change out that can be done quickly and precisely
−
** Manpower availability
+
** Target location 64 cm US of existing target (Hall D 1 cm US of 0,0)
−
** Calibration and Analysis procedures
+
** Vacuum system needs to be designed -continue 1.5 inch tube
−
** Need Safety documents
+
* Need to develop talks for CPP review to address charge
−
** OSP
+
* Detector move DS 3 inches to make room in Darkroom for library ladder
−
** Installation procedure/HDlist
+
−
** EESAD
+
−
** COO
+
−
 
+
−
* Will use CDC Gas system and crates
+
−
* Signal cables needed
+
−
* Elton to write OSP
+
−
* Elton to start ERR web page (use DIRC as an example)
+
−
* Tim to update install schedule to show 2 scenarios
+
−
* Tim to Start installation plan
+
−
* Rory to get wire chambers working
+
−
* Tim and Stephanie to complete support stand drawing package
+

Latest revision as of 12:46, 28 January 2021

Meeting Time and Place

Thursday Jan 14, 2021, 2pm Bluejeans https://bluejeans.com/465620466

  • Present - Elton, Dave, Stephanie, Ilya, Rory, Mark S

Agenda

          Media:CPP_Schedule_before_primex_v2.pdf 
          Media:CPP_Schedule_after_primex.pdf
  • Solid Pb target support and installation Media:CPP_Target_pic.pdf
  • Design/Procurement status
  • New Detector position - 3 inches DS to make dark room bigger
  • Things to work out
    • Gas line manifold
    • Complete structural analysis
    • Develop Detailed installation plan
    • Develop Design/operational/Maintenance Requirements
    • Modified US vacuum system
    • Solid target installation
    • Documentation for ERR

Minutes and Action Items

  • ERR discussed - 3 talks to address charge questions
    • Decided to use schedule with CPP run first then Primex - keep other as backup
  • Target Discussion
    • Rory has target from previous experiment we will use (lead)
    • Need manual insertion of lead and empty target with good precision (change 1X per day)
    • Need vacuum right up to target (thin kapton window -125 microns)
    • Desire helium bag inside CDC
    • Need to develop design for target change out that can be done quickly and precisely
    • Target location 64 cm US of existing target (Hall D 1 cm US of 0,0)
    • Vacuum system needs to be designed -continue 1.5 inch tube
  • Need to develop talks for CPP review to address charge
  • Detector move DS 3 inches to make room in Darkroom for library ladder
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