[Halld-jlab] Hall D Staff Meeting Notes, March 8, 2022

[Mark Ito]

Folks,

Please find the notes here 
<https://halldweb.jlab.org/wiki-private/index.php/Hall_D_Staff_Meeting,_March_8,_2022> 
and below.

   -- Mark

      _______________________________


  Hall D Staff Meeting, March 8, 2022

Present: Alexander Austregesilo, Eugene Chudakov (chair), Mark Dalton, 
Alexandre Deur, Hovanes Egiyan, Sergey Furletov, Mark Ito, Igal Jaegle, 
Keigo Mizutani, Lubomir Pentchev, Patrizia Rossi, Sascha Somov, Simon 
Taylor, Tim Whitlatch, Beni Zihlmann


    Announcements, Eugene

  * Budget: we are on a continuing resolution until at least Friday, no
    major purchases allowed
      o Pending items for forward calorimeter: frame, bases, etc.
      o capital spending done for this project
  * EIC detector review close-out completed
      o the three detector groups: statement of intention to work
        together going forward
  * Accelerator, SAD work continues
      o refurbishment and installation of cryomodules
  * computer center: farm empty
      o AA: due to bottlenecks in tape access and Lustre disk systems
  * Medcon: no news
      o e.g., mask policy for unvaxed worker still being worked out
  * property validation: please complete yours
  * Theory sponsoring one day workshops to develop input to the
    long-range plan
  * New staff positions: two open, one opened mid-December, the other a
    few days ago
      o panel will get application packets at end of month
      o BZ: what skill will be emphasized? EC: data analysis first, also
        role in software support
      o ad written to cover broad range of skills
      o input of the group to desiderata solicited
      o upcoming hardware projects: calorimeter, GEM


    Theory Workshops, Patrizia

  * meant to develop ideas for an energy upgrade to contribute to
    long-range plan
  * should be done by summer
  * 1 or 2 pages on each topic
  * EC: similar white paper was produced last year. PR: these will
    address higher energy in particular


    Work in the Hall, Tim

  * CPP hardware installed
      o got gas system working yesterday
      o flushed with Ar-CO_2 for 30 hours
      o ready for cabling, but waiting on them
      o target assembly getting installed
      o waiting for crates from CDC, they are being used for cosmic tests
  * FDC chiller repaired
  * heat exchanger for target compressor flushed
  * chiller for FCAL2 to be certified soon
  * Bobby Bunton and Chris Allen helping with FCAL2 assembly


    FCAL Module Construction, Sascha

  * 146 modules fabricated
  * lot of time spent preparing parts, pre-assembly
  * Detector Support Group helping with pre-shaping foils and wrapping
    crystals
  * Olga from GWU visited
      o GWU will involve students
      o measured PMT diameters
      o will set-up fabrication of silicon cookies at GWU
      o waiting on loan agreement for vacuum pump
  * goal: 30 modules per week
  * Igal cutting Kapton and Tedlar
  * New base electronics prototype received from Fernando
      o PCBs and parts should be ready by end of summer
      o would like test on CompCal during the summer
      o uses less power than previous design
      o mechanical issues with supplying power: meeting tomorrow on this
  * crystal procurement situation described at collaboration meeting
  * plan to move to EEL in April or May


    KLF Project, Eugene

  * decision to use Hall C design for compact photon source
      o reduce planned power on target by factor of two
  * discussions on-going on how to mount magnet for flux normalization
    of K_L s
      o funding for designer running low
  * next FY will require more capital funding for KLF materials


    Run Documentation, Simon

  * propose combination of documentation for CPP and PrimEx
  * CPP 27 nA might be too low for accelerator to sustain reliably
  * AD: every two days running at 100 nA needed to track machine energy


    On-Call Phones, Mark D.

  * RC and slow controls phones will be replaced with iPhones
  * others will remain as they are
  * HE: possible change in provider in near future, might require
    wholesale replacement of phones
  * AA: we could do a test to make sure all phones are working

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