[Halld-jlab] Notes, Hall D Staff Meeting, Oct. 11, '10

[Mark M. Ito]

  Find the notes of the Hall D Staff meeting of Oct. 11, 2010 at 
http://www.jlab.org/Hall-D/software/wiki/index.php/Private:Hall_D_Staff_Meeting%2C_October_11%2C_2010 
and below as text.

Private:Hall D Staff Meeting, October 11, 2010

    Present: Eugene Chudakov (chair), Hovanes Eigyan, Senika Grayer, Mark
    Ito, David Lawrence, Lubomir Pentchev, Yi Qiang, Dmitry Romanov, Igor
    Senderovich, Elton Smith, Sascha Somov, Chris Stanislav, Simon Taylor,
    Tim Whitlatch, Elliott Wolin, Beni Zihlmann

Eugene

      * self-evaluations are due Oct. 13
      * CDC Readiness review will be Oct. 21 at CMU
      * Solenoid review will be Oct. 26 and 27. Major review.
      * if people have plans for attending a conference, please send
        information to Eugene


Mark

      * auto-build scripts
           + GNU scientific library
           + geant4
      * build and run 64-bit cernlib on CentOS ifarm node successfully
      * calibration database document almost ready for release
      * some miscellaneous documentation work done
      * a new release released last month; another one due
      * worked on FSU MOU with Elton
           + Allison Lung reviewing it now
      * worked on PrimEx commissioning


David

      * has been working on establishing the PrimEx run
           + they are getting ready to start production
      * work on the field specification documents
      * preparing talks for CHEP
      * working on preparations for software workshop in January


Dmitry

      * progress on the calibration database
           + first draft of C++ API nearly there


Simon

      * working on drift time smearing of FDC
      * looking at the deflection problem along wires, depends on gas mix
      * started understanding current kinematic fitting routines
      * reviewing pull distributions for individual tracks, possible
        problem in phi, others look reasonable, if not perfect
      * gave talk on Kalman filter to CLAS12 group
           + not known if SIMD is of interest to them
      * student from CNU started in working on GPU applications within
        tracking


Tim

      * work on solenoid
           + Jonathan Creel from cryogroup is helping with testing
           + Bill Schneider is reviewing documentation
           + plan: start cooling on 18th
           + working on change request for installation schedule with
             delayed solenoid
           + cryogenic lines and expansion cans will be done soon, want to
             claim progress on these
      * CDC plugging along, getting final word on plastic parts soon,
        hopefully
      * clean room issues
           + power
           + floor (minor)
      * manpower items
           + interview with engineer on Wed.
           + 2 designers from engineering group being added
           + offer for FDC tech to go out soon
           + will open a position for general mechanical tech


Elliott

      * David will give a CHEP practice talk on Wed.
      * coil test main focus
      * OSP almost together, waiting on Jonathan
      * need statement of work for Bill S.
      * bellows fixed, pumping down now
      * the suguaro is up there
      * if pumping successful, ready to hook up anaconda
      * on Fri., PLC programming tutorial
           + deciding on who to pass Mark Wissmann's work on to
      * Hovanes going great guns on EPICS stuff
      * need a Hall probe, will be ordered, Mark Stevens looking at it
      * Anaconda may be a radiological issue


Lubomir

      * first 5 wire frames arrived
           + 3 laminated already
      * wire stringing: all parts in machine shop or are here
           + nearly ready to be installed
      * David working with movement system
      * news from UVA: tension measuring proof of principle done
      * Beni installed flash 125 again, reading out full-scale prototype
           + repeating tests with different gas mixture, 17/83
           + can get same gas gain as old mix with lower HV
           + resolution on strips OK
      * Elton: have you checked gas leaks are all fixed?
           + Beni: new design has been leak tested


Beni

      * CDC: review fixed for the 21st
           + working with Curtis on the agenda
      * working on a Fastrack schedule for CDC construction
           + adding delays encountered thus far (2 or 3 months)
           + float at end of schedule; operations test time is long
           + now not much float left


Chris

      * FDC boards all came in, shipped out to be stuffed last Tue., 10-day
        turn-around
      * parts for splitters came in, half done already, rest by tomorrow


Elton

      * received 180 FEU PMT's, ordered a while ago
           + will be shipped to IU
           + 1/3 of total, 150 of 450
      * experimental staging building status?
           + Tim: can put BCAL wedges in there now
      * finalizing light guides
      * finalizing calibration system
      * new CW base design looks good, no sparks


Yi

      * SiPM's: report given to collaboration last week
      * outstanding issue: after-pulsing
      * got a pulser from Fernando, laser diode from Igor
      * after-pulsing about 10%
      * cross talk, 10%
      * timescale 100 ns, exponentially dropping
      * still testing recovery rate at different temperatures


Sasha

      * updating geometry for tagger hall
           + has new versions, want to revisit simulation, come up with
             final design of electron beam line
           + need to update numbers for neutron radiation at focal plane
      * GEANT with FLUKA comparision; BCAL shifted, position checked,
        scattering sources for FDC frame added, repeated comparison
           + numbers from Pawel Degtiarenko turn out to be for 1 m
             downstream of lightguides
           + at lightguides, 10% higher
           + difference at 40%
      * test in Hall B
           + prototype here
           + commissioning electronics
           + start the flash tomorrow
           + add TDC after that
           + situation discussed with Sergey B.
                o we supply crate, he will take care of rest
           + goal: test everything this week
           + planning to run in beginning of Nov.
           + Elton: space?
                o Sascha: Exact location being studied by Richard.


Hovanes

      * solenoid controls:
           + worked on HMI screens
           + developing monitoring of GUI's through web
                o allow remote access
           + created EPICS IOC to interface PLC with EPICS, provides
             interface from PLC to those of Cryogroup
      * tagger/beamline:
           + created a small simulation containing only beam transport
             elements to explore beam diagnostic ideas

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