2019-09-27-LeadershipReports

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September, 2019 Report - Sept 16 - Oct 11 Director - Todd Satogata

Todd Satogata

  Previous two weeks (Sept 16 - Sept 27)
     - 
  Next two weeks (Sept 30 - Oct 11)
     - JLEIC pCDR finalization and final print!
     - JLEIC cooling and collaboration meet travel planning
     - OPS hall liaison planning and meeting
     - OPS discussions of CASA injector upgrade involvement
     - OPS prepare for KLF and Hall D collaboration meetings
     - ODU PHYS854 teaching (with Geoff Krafft)
     - Maybe take a vacation day here or there...




Alex Bogacz

  Previous two weeks (Sept 16 - Sept 27)
     - Attending ERL’19 in Berlin
     - Vacation 
     - PRAB paper review
  Next two weeks (Sept 30 - Oct 11)
     - Writing ERL’19 paper
     - Writing a CDR chapter on the LHeC ERL design
     - Preparing talks on 50 GeV ERL and PERLE for the LHeC/PERLE workshop at CERN



Rui Li

  Previous two weeks (Sept 2 - Sept 13)
     - 9/2:  Labor day holiday
     - 9/3 - 9/5: Vacation
     - Impedance studies
          - Remotely participate ALS-U impedance meeting and discussions
     - CeC Review
          - Continue to read their report
          - Two day review 9/9, and 9/11
          - Work with the review panel to write the review report
          - The close-out session finished on 9/13  
  Next two weeks (Sept 16 - Sept 27) 
     - Discuss with Mike Blaskiewicz about beam-beam induced Landau damping on fast ion instability in JLEIC
     - Prepare slides for MCBI workshop and additional considerations for JLEIC collective effect studies
     - 9/21-29:  travel to attend the MCBI workshop, present my talk on "MCBI in an EIC"


Edy Nissen

   Previous two weeks (Sept 16 - Sept 27)
     - I finished up an update for my pCDR section and sent it to Todd
     - I have been putting together some parameters and measurements needed for my collaboration with DESIREE, I am currently trying to coordinate this with them.
     - I have been revisiting the LEB design, since the lattice is quite dense and I feel it could be made better.
   Next two weeks (Sept 30 - Oct 11)
     - I will be focusing on the DESIREE collaboration. Currently they have 2 days in late October where they can do some initial measurements for me. That will be 
       used to help finalize my proposal for a spring trip out there to do the direct gear-changing experiment, which is due October 30th.
     - I will also be attending my scheduled human performance improvement session.




Chris Tennant

   Previous two weeks (Sept 2 - Sept 13)
     - AI strategy meetings (web content, lunches, outreach, re-branding, etc.)
     - Wrote LHeC appendix on "ERL Developments" (including updated "ERL landscape" plot)
     - Prepping slides for contributions to the two 1-day workshops I'm attending before ICALEPCS (one on Jupyter notebooks the other on ML)
     - Was invited to (remotely) participate in the LBNL "AI for Science" session on Accelerator Science
     - Proofread various talks/papers that I am involved with (e.g. Adam Carpenter's ICALEPCS paper, Steve's multiple ERL talks)
     - AI webpage development - slowly coming along (https://www.jlab.org/AI/lunch_series)
     - Some work on using AI for state vector prediction in a detector 
   Next two weeks (Sept 16 - Sept 27)
     - AI webpage development - slowly coming along (https://www.jlab.org/AI/lunch_series)
     - Some work on using AI for state vector prediction in a detector 




Accelerator R & D - Yuhong Zhang

Yuhong Zhang

  Previous two weeks (Sept 2 - Sept 13)
     - Attended NAPAC2019 conference and gave a talk on JLEIC design
     - Discovered a factor of four inflation of the JLEIC IBS rate and identified the sources of the problem
  Next two weeks (Sep 16 - Sept 27)
     - Continued to develop the 1st design of high energy DC cooler
     - Worked with Brahim for the EIC collaboration meeting organization 



Max Bruker

  Previous (Sept 16 – Sept 27)
     -	JSPEC simulations of different DC cooling schemes for the HEB
     -	Prepared concept for workshop presentation
  Next (Sept 30 – Oct 11)
     -	Finalize workshop presentation
     -	Hadron cooling workshop and EIC collaboration meeting



Fanglei Lin

  Previous two weeks (Sept 2 - Sept 13)
       - Worked on the storage ring cooler project
       - Reviewed electron beam damping parameters with damping wigglers
       - Answered questions from the pCDR external reviewers
       - Miscellaneous: generated electron ring lattice without detector solenoid for beam study, attended JLEIC R&D meeting, attended Semi-annual Graduate Student Progress   
         Review meeting, discussed introducing computation of DK depolarization rate using Zgoubi with Radiasoft collages, 
  Next two weeks (Sept 16 - Sept 27)
       - Work on updating the interaction region design
       - Work on the storage ring cooler project
       - Prepare talks for cooling workshop and EIC collaboration meeting



Bhawin Dhital

   Previous two weeks (Sept 2 - Sept 13)
     - Participating NAPAC2019 at Michigan Lansing for a week ( Aug 31 - Sept 06)
     - Working on Longitudinal dynamics in Two Energy Storage Ring.
   Next two weeks (Sept 16 - Sept 27)
     - Will be working on longitudinal dynamics and stability in two energy storage ring
     - Will be working on optimization of cooler parameters in two energy storage ring cooler



Vasiliy Morozov

   Previous two weeks (Aug 19 - Aug 30)
     - Finished updating the detector and ion complex chapters of the pCDR
     - Modeling of the IR for the short-range correlations (SRC) LDRD
     - Reviewing papers and posters for NAPAC19
     - Preparation for and participation in the Zgoubi workshop
     - Preparation of a paper on the figure-8 concept
     - Work on the spin transparency experiment: spin tracking and meeting with collaborators
     - Preparation of a TRL document for EIC simulation tools
   Next two weeks (Sept 2 - Sept 13)
     - Work on the SRC LDRD
     - Spin tracking for the spin transparency experiment
     - Preparing for EINN2019 and PSTP2019




Amy Sy

   Previous two weeks (Sept 2 - Sept 13)
     - Continued H- linac optimization in TRACK. Working on optimization of second DTL tank with slightly lower voltage level. Baseline design has one voltage level for first
       and second DTL tanks, and a slightly lower level in DTL tank 3. Trying to improve on reduced emittance by lowering the voltage in DTL tank 2 and reoptimizing downstream
       quadrupoles and solenoids.
     - Working on PSTP2019 invited talk titled "Laser-driven polarized deuterium source". 
   Next two weeks (Sept 2 - Sept 13)
     - Continued work on linac optimization for reduced transverse emittance.
     - Continued work PSTP2019 talk 
     - Attending/presenting at PSTP2019 in Knoxville, Tennessee.






Computational Physics - Yves Roblin
Yves Roblin

   Previous two weeks ()
     - CEBAF:
     - JLEIC
   Next two weeks ()
     - 



Randy Gamage

   Previous two weeks ()
     - 
   Next two weeks ()
     - 



River Huang

   Previous two weeks (Sept 2 - Sept 13)
     - Transparent Spin Mode using Zgoubi - In a principle scheme of RHIC snake (OPERA maps), two currents control the spin rotation angle and the spin rotation axis. By
       tracking three particles with orthogonal spins in Zgoubi, we determine the spin rotation angle and axis for a given set of snake currents again. The snake currents are
       then varied using a fitting procedure to adjust the snake axis to 0°. The evolutions of the spin components along the helical trajectories are obtained. The simulation
       indicates a full snake with a longitudinal axis: the radial and vertical spins flip while the longitudinal spin remains longitudinal. The closed orbits inside a snake
       for the 45∘ and 0∘ settings of its axis are obtained. Note the smaller closed orbit excursion for the 0∘ case.
     - Particle Tracking - We revised BB3D and CASA Beam-Beam. The updated BB3D can be used in particle tracking of a beam bunch for each turn and the updated CASA Bean-Beam
       can track the change in details of phase coordinates of a macro-particle for each collision.  
   Next two weeks (Sept 16 - Sept 27)
      - Continue working on Transparent Spin project


Isurumali Neththikumara

   Previous two weeks ()
     - 
   Next two weeks ()
     - 



Dennis Turner

   Previous two weeks ()
     - Completed move to the ARC
     - Turned over MCC KeyWatcher
     - QTSnyder upgrade to QT5 for migration to RHEL7
     - Multiwire emittance measurement and matching for the Halls
          - Simulated and tested with elegant vs qsUtility analysis
          - Started working on Ops tool
     - Bagels with the AD
     - Met with Yves to discuss work on the Injector upgrade
     - Attended Machine Learning lunch meetings
     - 12GeV PRAB paper
          - Attended meetings and received topic assignments
          - Assembling references, sketching out text.
     - Completed "Respectful Workplace" training
     - Attended BTeam meetings
     - Checked on new computer; still not ready
   Next two weeks (Sept 30 - Oct 11)
     - Finish QTSnyder upgrade; write ATLis for testing the "live" portion with beam
     - Finish Multiwire tool; write ATLis for testing with beam
     - 12GeV PRAB paper
     - Meet with Grames, et. al., about Injector upgrade work.
          - Joe has some papers, etc for me to read first
     - Resurrect work on rayTrace



He Zhang

   Previous two weeks (Sept 2 - Sept 13)     
     - Beam-beam effect - Finished debugging BB3D. I have make sure the revised code: 1. Load the map correctly, 2. Applied the map directly on particles correctly, and 
       3. Carried out symplectic tracking correctly. However, when running the simulation for a long time, I still see segmentation fault. What I found is this is because the
       coordinates of some particles became very large and it goes out of range when trying to put them on to grid. So this may not due to the code but some improper input
       parameters. The code has been sent to Yun and Ji for further test.    
     - IBS calculation - Revised JSPEC to output IBS contribution from each individual element and the accumulated IBS element by element. Plotting the result for JLEIC using
       our lattice and using eRHIC lattice, it is clear to see there are three parts of our lattice that together contributes more than half of the IBS rate. Our arcs also
       contributes more than eRHIC respective parts. Another we have checked is the integral step in IBS calculation. I used linear interpolation to increase the data points so
       that the maximum integral step is no more than 0.1 m. We saw a difference of about 5%. So the step size is not the major issue of the large IBS rate. 
     - NAPAC - Finished one paper
   Next two weeks (Sept 16 - Sept 27) 
     - Finish the other NAPAC paper. 
     - Cooling with eRHIC lattice and JLEIC parameters. 
     - Start working on JSPEC benchmarking with Lanzhou experimental data.



Diagnostic Development - Kevin Jordan

Kevin Jordan

   Previous two weeks (Sept 2 - Sept 13)
     - I have been preparing for the IBIC conference and the Faraday Cup award for September 8 - 12, including the award poster and website update 
   Next two weeks (Sept 16 - Sept 27)
     - Attended the IBIC Conference      
     - Vacation



Joe Gubeli

   Previous two weeks (Sept 16 - Oct 11)
     - Vacation
     - HPWS – Had a teleconference with Aerotech and Radibeam to tune the linear motors. With the Aerotech motor expert’s help the motors were successfully tuned and the HWPS
       translates well in the current configuration. The HWPS was not under vacuum or in its normal 45 degree angle.
     - Isotope Experiment – Completed a presentation for the Isotope Review. Presented the information to the review committee.
     - ICALEPCS conference – Paper and poster nearly complete and in its final review process. Paper title, “Wire scanner for high intensity beam profile diagnostics”
   Next two weeks (Sept 30 - Oct 11)
     - Isotope Experiment – Work on completing the shielding and instrumentation for the experiment. Address items that comes out of the review
     - Halo monitor – Finish aligning the camera/fiber optics and install it on LDRDS




Michael Tiefenback

   Previous two weeks ()
     - 
   Next two weeks ()
     - 



CASA Fellows
LERF - Steve Benson

   Previous two weeks (Sept 16 - Sept 27)
     - 
   Next two weeks (Sept 16 - Sept 27)
     - Attend ERL 2019 and present 3 invited talks
     - Discuss HZDR beam noise studies with Pavel Evtushenko
     - Complete preparations for Isotope ERR and attend it.
     - Submit proposal for change of SOW for the Cooling FOA for IMP work
     - Set up Working group 5 agenda for the Hadron Cooling Workshop at Fermilab.



Andrew Hutton

   Previous two weeks (Sept 16 - Sept 27)
     - Attended 2nd AMICI Industrial Session in Brussels, Belgium and gave a presentation on upcoming nuclear accelerators worldwide.    
     - I then visited Louvain-La-Neuve (a suburb of Brussels) to see the progress on the MYRRHA Injector which is being built there.  
     - This week I have been totally consumed by preparing and attending the Isotope ERR.  We still have a lot of paperwork to do as well as finish the installation.  
     - I also did try and help Yuhong with the IBS studies he is carrying out.    
   Next two weeks (Sept 30 - Oct 11)
     - Organize the responses to the Isotope ERR Comments and Recommendations.  
     - Prepare my talk for the AMICI 3rd Annual Meeting in Paris, attend the meeting on October 8 -9  (this is the last one in the series).  
     - Then I am on vacation until October 23 when I will attend the LHeC/PERLE meeting near CERN.