2020-9-24-LeadershipReports

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September 24 2020 Report - Aug 31 - Sept 25 Director - Todd Satogata

Todd Satogata

  Previous two weeks (Aug 17 - Aug 28) 
     - EIC Analysis of Alternatives review post-meetings
     - EIC Mini-MAC prep/dry run (Aug 17-18); review (Aug 26/28)
     - EIC CDR editing, editorial review, integration (much work)
     - EIC Meetings (impedance, RCS task force; CDR editorial; physics; planning/project; start weekly L2 meetings)
     - EIC EIC/FCC planning discussions
     - EIC OPA review early draft slide preparations
     - MGMT Meetings (Leadership/Dept Heads, CASA coffee, Accel Div Diversity survey)
     - MGMT P&C Meeting (Aug 24)
     - ADMIN Finish Snowmass LOI planning, emails
     - ADMIN APS DPB Exec Committee quarterly meeting (Aug 28)
     - OPS Daily 07:45/08:00, weekly W 1:30
     - ODU Meetings (Xelera weekly, Isurumali beam-beam, Bhawin)
  Next two weeks (Aug 31 - Sept 11) 
     - 




Alex Bogacz

  Previous two weeks (Aug 31 - Sept 11) 
     - Machine support
     -	ER@CEBAF optics revisit
     -	Muon acceleration paper
     -	Submitted 4 LOIs to Snowmass
  Next two weeks (Sept 14 - Sept 25)
     - ER@CEBAF optics (one-on-one with Isturumali)
     -	Muon acceleration paper
     -	PRAB paper review
     -	Publication Committee work



Rui Li

  Previous two weeks (Aug 17 - Aug 28)
     - Going through microwave instability threshold analysis by Stupakov and Heifets
     - Use Mathematica to calculate CSR in eSR of EIC, using Murphy's paper for shielding of parallel plate. Compare with Alexei Blednyke's CSR
       results from Demin Zhou's code
     - Check literature for transient CSR with shielding effect for the split dipole in eSR of EIC
     - Planning for TCBI modeling for eSR of EIC
     - Participate task force meetings and discussions on impedance in eSR of EIC
     - Continue attending meeting and discussion in ALS-U impedance studies
  Next two weeks (Aug 31 - Sept 11) 
     - Attend LINAC 2020
     - Calculate more results for my technote on beam spectra for uneven bunch fill
     - Worked on planning the modeling of transverse coupled-bunch instability for eSR in EIC
     - Participate task force meetings and discussions on impedance in eSR of EIC
     - Continue attending meeting and discussion in ALS-U impedance studies




Edy Nissen

   Previous two weeks (Aug 31 - Sept 11)
     - On August 31 I submitted an LOI to Snowmass, and edited another one, on which I was a coauthor
     - I then submitted a draft of my DESIREE paper into the Queue
     - I took several days as vacation after that. 
     - I have taken part in meetings for the RCS and Beam-beam task forces
     - I started adding changes to the DESIREE paper
   Next two weeks (Sept 14 - Sept 25)
     - I have been adding changes to the DESIREE paper
     - I have been attending meetings for the RCS and Beam-beam task forces
     - I am starting background research to take over as Hall-D APEL



Chris Tennant

   Previous two weeks (Aug 31 - Sept 11)
     - AI lunch (web, administrative, public affairs, etc.)
     - Prep talk for SLAC AI Seminar (has been rescheduled to later in October)
     - Prep "Graph Representation Learning" presentation/slides
     - Discuss ways to visually summarize ML fault classifier results from recent physics run
   Next two weeks (Sept 14 - Sept 25)
     - FOA: meetings with PIs, revise budget to fit with DOE guidance, generate FWP
     -	SBIR: coordinate beam studies work, meeting with Radiasoft, initial data exploration, complete AWP
     -	AI lunch (web, administrative, public affairs, etc.)





Accelerator R & D - Yuhong Zhang

Yuhong Zhang

  Previous two weeks (Aug 17 - Aug 28)
     -  
  Next two weeks (Aug 31 - Sept 11)
     - 



Max Bruker

  Previous (Aug 31 - Sept 11)
     - Linac 2020 conference
     - Lots of fun at the UITF. Very nice machine with just the right size. I haven't touched a lot of hardware so far but got to play with the
       beam and learn the controls.
     -	The IMP paper is back from the review. There is some homework to be done but nothing backbreaking.
  Next (Sept 14 - Sept 25)
     - IBIC
     -	More UITF fun
     -	IBS and cooling simulations to back up the experimental results presented in the IMP paper. We should aim for resubmission of the
       manuscript within 1--2 weeks.





Fanglei Lin

  Previous two weeks (Aug 31 - Sept 11)
     - Continuing the work on the task force on novel techniques for ESR polarization improvement and presented the progress in the bi-weekly meeting 
     -	Studying electron polarization in the eSR on benchmarking results from SLICK, SITRO and Bmad 
     -	Continuing the working on the storage ring cooler project  
     -	Miscellaneous: attended the Novel Techniques for eSR Polarization Improvement, attended the EIC eSR polarization meeting, attended the EIC RCS polarization meeting,
       attended the EIC hadron polarization meeting, attended the EIC low energy luminosity/facility optimization meeting, attended EIC design team meeting, attended the Storage
       Ring Cooler meeting, attended the Innovative HE Cooling Project Status meeting, attended the EIC Accelerator Design meeting, attended the EIC general meeting 
  Next two weeks (Sept 14 - Sept 25)
     - Work on novel techniques for eSR polarization improvement 
     -	Study the polarization in the eSR 
     -	Work on the storage ring cooler project  
     -	Prepare a presentation and attend EIC workshop 




Bhawin Dhital

   Previous two weeks (Aug 31 - Sept 11)
     - I have learned sddsprocess for data analysis after elegant job output. Damped equilibrium values are calculated using sddsprocess and 
       using Jupyter note-book. Results are promising.
     - I was taking Polarized He3 experimental shifts at Hall C. I was taking 6 swing shifts from September 07 to September 13. Now all shifts
       are completed and
     - I think my name will appear for two papers in the future based on that Polarized helium3 experiment.
     - I was trying to understand the best way to calculate dynamic aperture and Frequency Map Analysis (FMA) for the whole two rings.
   Next two weeks (Sept 14 - Sept 25)
     - 




Vasiliy Morozov

   Previous two weeks (Aug 31 - Sept 11)
     - Electron and ion polarization: 
         - effect of the detector solenoid in combination with orbit corrector on the ion polarization, 
         - effect of crabbing kicks on the electron and ion polarizations, 
         - calculation of the electron and ion polarization lifetimes,
   - 2nd IR design: lattice design, calculation of the parasitic beam-beam tune shift
   - Adjusting coupling in the electron collider ring at 10 GeV and providing input to beam-beam simulations   
   Next two weeks (Sept 14 - Sept 25)
     - 2nd IR design: presentations at the Yellow Report meeting and preparation for the Detector Advisory Committee meeting, evaluation of the beam-beam tune shift due to
       parasitic collisions, geometry optimization 
     - Spin transparency experiment: simulations of polarization manipulations, study of spin effect of mis-alignments
     - Detector solenoid integration: meeting with collaborators, effect of the detector solenoid and orbit distortion on proton spin, work on the final tech note
     - Electron polarization: polarization lifetime calculations 




Amy Sy

   Previous two weeks (Aug 31 - Sept 11)
     - Completed August 2020 EIC Design Update Newsletter.
     - MADX optimization of integrated solenoid/quadrupole/skew quadrupole fields for a compact spin rotator. Working on solutions that match to the existing optics for both
       solenoids.
     - Attended various meetings on second IR-related topics.
     - Attended closeout session of DOE OPA status review of EIC.
   Next two weeks (Sept 14 - Sept 25)
     - Submitted input to EIC Biweekly report.
     - MADX optimization of integrated solenoid/quadrupole/skew quadrupole fields for a compact spin rotator. Integrating the quadrupole and skew quadrupole fields into the
       solenoids can potentially save ~10 m of space per solenoid, for ~20 m total. Solutions matching to the optics while zeroing out the coupling parameters beta12, alfa12,
       beta21, and alfa21 using PTC_TWISS in MADX were very difficult to find when dispersion constraints were also included in the optimization. Preliminary solutions for both
       solenoid modules were found by relaxing the horizontal dispersion and dispersion prime constraints on the match. The coupling parameters are about an order of magnitude
       larger than in the original lattice, and further work is needed to study the implications of this on the beam dynamics in the spin rotator.
     - Attended meetings on revisions of the IMP experiment paper.








Computational Physics - Yves Roblin
Yves Roblin

   Previous two weeks (Aug 31 - Sept 11)
     - Support for machine optics
     - bteam coordination
     - Planning preparations for sad bteam related activities
     - er@cebaf review of optics
   Next two weeks (Sept 14 - Sept 25)
     - bteam
     - Optics on call,machine support
     - Developing requirements for ced optics loading
     - er@cebaf mtg
     - Planning for bteam activities during sad.
     - Analysis of raytrace data , development of new procedures to match/assess machine
     - Preparation for upcoming physics readiness review on Hall A E12-09-016 experiment




Randi Gamage

   Previous two weeks (Aug 17 - Aug 28)
     - 
   Next two weeks (Aug 31 - Sept 11)
     - 


River Huang

   Previous two weeks (Aug 31 - Sept 11)
     - 
   Next two weeks (Sept 14 - Sept 25)
     - 


Isurumali Neththikumara

   Previous two weeks (Aug 31 - Sept 11)
     - 
   Next two weeks (Sept 14 - Sept 25)
     - 



Dennis Turner

   Previous two weeks (Aug 31 - Sept 11)
     - HLA
          - rfHealthCheck modifications per Ops request
          - spinDoctor/ced2elegant OPS-PR
     - CEBAF 
          - Optics support
     - UITF
          - Tweaks to ced2elegant and qsUtility for running at UITF
          - Helped with optics
     - AIPINJ
          - Updated decks with final layout and nomenclature
     - Attended 0800, CASA, BTeam, AIPINJ meetings
     - Attended AI Lunch Series talks, Accelerator Seminars, DL4Sci lecture
   Next two weeks (Sept 14 - Sept 25)
     - rayTrace
          - More testing during Beam Studies
          - Analyzer development and debugging
     - AI SRF FOA approval
          - Met with team to work out budget reduction
     - UITF
          - Worked with Max to fix some problems with qsUtility
          - Helped with emittance measurement and matching
          - Updating UED Optics workspace
          - Tweaked ced2elegant
     - AIPINJ
          - Updated decks and InjUpgrade CED workspace with new nomenclature
          - Developing tools to import Injector elegant deck into CED
     - Attend CASA, BTeam, AIPINJ meetings
     - Attend AI Lunch Series, Accelerator Seminars, etc





He Zhang

   Previous two weeks (Aug 31 - Sept 11)     
     - Revised and submitted the Snowmass LOIs. 
     - A few more simulations for EIC alternative non-magnetized cooling. 
     - Added a few convenient features to jspec2 UI. Merge the edge kick model to the master branch. 
     - Start benchmarking jspec2 with IMP data. 
     - Finished coding the IBS formula. Now debugging. 
   Next two weeks (Sept 14 - Sept 25) 
     - Continue benchmarking jspec2. 
     - Finish debugging and testing the IBS formula. 
     - Test JSPEC python wrapper.





Diagnostic Development - Kevin Jordan

Kevin Jordan

  Previous two weeks (Aug 31 - Sept 11)
     - 
  Next two weeks (Sept 14 - Sept 25)
     -  



Joe Gubeli

   Previous two weeks (Aug  - Sept )
     - Isotopes –Attended several planning meetings. Setup some equipment needed for next week’s run
     - ARDDOT - Had a few meeting with the Injector group to determine if the new viewer image design would work for them. They have some
       very tight spaces. Met with the I&C group to show them the viewer imager and to test a lipstick replacement camera. The tested camera 
       has an nonadjustable lens an images a lot of the tube with a small image of the view screen. Not sure that it is a good replacement. The
       I&C folks had to run to another call and didn’t have time to assemble an imager. We will reschedule for another time. Have inventoried
       and conveniently placed all the parts received for the imager. Still have a few parts including the cameras that have not arrived.
   Next two weeks (Sept 14 - Sept 25)
     - Isotopes – Help as much as possible with the upcoming experimental run.
     - ARDDOT – Work with I&C on imager assembly
     - ACCTVL – Attend the virtual IBIC2020 Conference.



Michael Tiefenback

   Previous two weeks (Aug 31 - Sept 11)
     - 
   Next two weeks (Sept 14 - Sept 25)
     - 



CASA Fellows
LERF - Steve Benson

   Previous two weeks (Aug 31 - Sept 11)
     - Attended Linac 2020 and present talk
     - Worked on contribution to Cooling Alternatives Document
     - Submitted request to re-allocate FOA funds to M. Farkhondeh (request was accepted)
     - Presented status of Low Energy Cooling Task Force at the Wednesday EIC Research meeting
     - Got LOSP for Drive Laser Enclosure submitted and approved
     - Submitted Isotope run plans for Ga_71 exposures and surrogate crucible tests
     - Resubmitted runs plans for 32 MeV linac setup and gallium exposure run
     - Review MCBI paper
   Next two weeks (Sept 14 - Sept 25)
     - Finish up contribution to Cooling Alternatives Document
     - Assist in the Isotope run
     - Analyze results from the isotope run
     - Work with Xelera to model different merger designs for the EIC
     - Develop new AWPs for isotope program
     - Review EIC ERL design to determine R&D path
     - Modify AWPs for Cooling FOA project.




Andrew Hutton

   Previous two weeks (Aug 31 - Sept 11)
     - I attended various EIC meetings.  I also spent some time studying the draft report from the Alternate Strong Cooling Task Force.  This resulted in a suggestion to Geoff
       and Fanglei to shorten the high energy section of the dual ring cooler; I sent the same recommendation to Jorg Kewish for the single ring cooler.  I proposed a method to
       arrange the cross-over between the high and low energy sections of the dual energy cooler using twin-axis SRF cavities.  Finally, I suggested to Jorg that he modify the
       wiggler design he developed for the single ring cooler to be compatible with the high energy section of the dual axis cooler ring.  
     - The modified (and much improved) PERLE ICRADA was sent to the DOE.  
     - We have been making detailed plans for the Isotope Irradiations, scheduled for September 13 - 19.  
     - I have been active on the AWLC 2020 organization, proposing three talks from Jefferson Lab, which were accepted.  
   Next two weeks (Sept 14 - Sept 25)
     - Isotope Irradiations took place Sept 13-16.  This involved a stack of Nickel and Vanadium foils and isotopically pure Gallium71 in a powdered oxide form for calibration.
       We also irradiated a solid graphite block to obtain approval for using graphite as the crucible for the later irradiation of natural liquid gallium.  We obtained approval
       the same day (actually after hours in the evening) and irradiated the gallium for a total of 26 hours.  The LERF was not being cooperative and we lost 12 hours to an RF 
       station, but because of the rainfall from the SALLY remnants, we were able to extend the run (too dangerous to remove the shielding blocks).  The results appear to
       confirm the FLUKA results for Gallium, but we are pretty sure that FLKA gives the wrong results for Nickel (one of the daughters has twice the production rate, the other
       one half).  We are still having meetings to get all of the calibrations correct in view of a publication.  
     - Lila presented the work she did at Jefferson Lab as an REU student at the "The DOE Isotope Program’s Virtual Seminar Series: On the Horizon: Novel Isotopes and Future
       Leaders.”  I worked with her to make sure she did well.  
     - I spent a lot of time looking at the harmonic kicker for the EIS RCS; in my opinion, too much effort has been spent on optimizing the RF to avoid problems that I do not
       believe are problems.  
     - We received preliminary approval for the PERLE ICRADA from the DOE - submitted on September 3, pre-approval obtained on September 23, faster than it took to go through
       the system at Jefferson Lab.  It required two Jefferson lab signatures, Andrei and Drew; both have signed.  Now it goes to IJCLab where Achille Stocchi, the Director, is
       eager to sign it. 
     - There was a VNECA meeting scheduled and I read through the draft Governor’s Statement in preparation.  My suggestions from the first draft had all been incorporated and I
       actually found a typo in the latest version (the authors were delighted!).  The meeting was postponed at the last minute.