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March 19 2020 Report - Mar 2 - Mar 27 Director - Todd Satogata

Todd Satogata

  Previous two weeks (Mar 2 - Mar 13)
     - ADMIN 12 GeV PRAB writing/meets, group move planning, PRAB review
     - MGMT AI for NP workshop, prepare for possible Coronavirus MEDCON5
     - EIC Meetings, BNL work/resource planning, parameter review
     - OPS UITF tour, start CASA involvement; positron beams meet
     - OPS CEBAF high current, diagnostics support planning
     - OPS KLF discussions, proposal contribution
     - ODU/SBIR Prep Sunil Pokharel for Xelera SBIR, grad student review
     - IPAC Light peer review assistance (Peter McIntosh)
  Next two weeks (Mar 16 - Mar 27)
     - MGMT MEDCON5 information gathering and group communication
     - MGMT Strategy meetings (Coronavirus, EIC, ops support/BTeam)
     - ADMIN Weekly AI meeting, 12 GeV paper contribution writing
     - EIC Weekly JLab strategy meeting, labor resource/FOA planning
     - EIC Temple Meeting telecon (Mar 19), strategy telecons (Mar 18)
     - EIC BNL Impedance, Magnetized beam SBIR, RCS task force telecons
     - OPS BTeam/daily operations telecons, Hall D TAC procedure review
     - OPS High intensity run HOM/BBU calculation review/planning
     - OPS KLF collaboration proposal review/writing
     - VACATION 1/2 day Fri 03/20, 1/2 day Mon 03/23

Alex Bogacz

  Previous two weeks (Mar 2 - Mar 13) 
     - Machine support 
     -	Conducting Graduate Student Progress Review 
     -	'First cut' chicane layout with Cornell’s magnets
     -	PRAB paper review
     -	TRC invention disclosure review.
  Next two weeks (Mar 16 - Mar 27)
     - Second iteration on chicane layout, per input from Chase
     -	SBIR proposal review
     -	Paper on neutrino decay ring design
     -	Exploring Jupyter Notebook for USPAS course on Practical Lattice Design.

Rui Li

  Previous two weeks (Feb 17 - Feb 28) On Leave
     - Participate in bnl/jlab remote meetings
     - Participate in ALS-U remote impedance meetings
  Next two weeks (Mar 2 - Mar 13) Work at home 
     - Read over collective effect studies in the eRHIC design
     - Email discussions with fellow EIC task force members of EIC, Mike Blaskiewicz and Alexei Blednykh, on status
       of instability and impedance in the EIC design
     - Read over BNL impedance calculation results for EIC
     - Participate remote impedance meeting for EIC
     - Participate remote impedance meeting for ALS-U 
     - Email discussion of EIC impedance results with JLAB colleague Frank Marhauser and Bob Rimmer
     - Study Frank's impedance results for corrugated beam pipe

Edy Nissen

   Previous two weeks (Mar 2 - Mar 13)
     - I started out working on my ECA application, but decided that I should not pursue that this year.
     - I've mostly been working on DODGE since then
   Next two weeks (Mar 16 - Mar 27)
     - I will be working both on DODGE, and I have been reading through the eRHIC pCDR.

Chris Tennant

   Previous two weeks (Mar 2 - Mar 13)
     - Meetings/prep for AI FOA
     - Meetings/writing/prep for Accelerator Stewardship FOA with CN
   Next two weeks (Mar 16 - Mar 27)
     - Meetings/writing/prep Accelerator Stewardship FOA (due early April)
     - Investigating SRF fault data to see if there is sufficient information for AI to make predictions of faults

Accelerator R & D - Yuhong Zhang

Yuhong Zhang

  Previous two weeks (Feb 17 - Feb 28)
  Next two weeks (Mar 2 - Mar 13)

Max Bruker

  Previous (Mar 2 - Mar 13)
     - Reasonable progress on IMP data analysis; discussions about the transverse stuff are still going on while IMP is understaffed due
       to Covid
     -	Gave presentation on data analysis at CASA meeting
  Next (Mar 16 - Mar 27)
     - Start telecommuting on Mar 17
     -	Write PRAB article

Fanglei Lin

  Previous two weeks (Mar 2 - Mar 13)
       - Took one week off due to an illness
       - Work on the storage ring cooler project
       - Worked on teaching material for the Spin@USPAS class
       - Studying eRHIC design and participated in the discussion of EIC task forces
       - Miscellaneous: attended the Storage Ring Cooler meeting, attended meetings for the Spin@USPAS class, attended the EIC
         accelerator design team meeting
  Next two weeks (Mar 16 - Mar 27)
       - Work on the storage ring cooler project
       - Study eRHIC design and prepare for the contribution to the design of EIC

Bhawin Dhital

   Previous two weeks (Feb 17 - Feb 28)
     - I got student grant to participate in AccApp20 conference which was supposed to held in Vienna, Austria from
       April 05 - 09, Vienna, Austria.
     - I was busy for visa application process and I got a visa to attend the conference.
     - Understanding damping time and IBS time in a two-energy storage ring.
     - Target Operator training at Hall C, Hall C walk-through training.
   Next two weeks (Mar 2 - Mar 13)
     - Calculating damping and IBS time.
     - Participating JLab hack-athon and AI workshop.
     - Canceling all reservation which was made for AccApp20, Now AppAcc20 is offcially canceled.
     - Working intensely in a two-energy storage ring project.
     - Acknowledgement: Thanks to Dr Vasiliy Morozov who has greatly helped us every time. He is very smart to
       figure out the problems with solutions.

Vasiliy Morozov

   Previous two weeks (Mar 2 - Mar 13)
     - Work on detector solenoid compensation: teleconference with collaborators and study of closed orbit correction schemes
     - Preparation of a PRAB paper on the transparent spin response function
     - Participation in planning of collaboration with BNL
     - Spin tracking simulations
   Next two weeks (Mar 16 - Mar 27)
     - Participation in the YR workshop
     - Work on detector solenoid compensation
     - Preparation of a PRAB paper on the transparent spin response function
     - Spin tracking simulations
     - Two-energy storage ring cooler
     - Crabbing calculations
     - Beam-beam calculations

Amy Sy

   Previous two weeks (Mar 2 - Mar 13)
     - Participation in the AI for Nuclear Physics Workshop.
     - Literature search on electron and proton EDM experiment concepts.
     - H- intrabeam stripping estimate in JLEIC ion linac using PyORBIT. First pass at calculating the fractional beam loss as a 
       function of linac length, as well as the estimated power loss along the linac. 
   Next two weeks (Mar 16 - Mar 27)
     - Continued work on the H- intrabeam stripping estimates. Conversion of TRACK output for comparison with PyORBIT estimates. 
       Writing up the results for a future conference paper.
     - Continued literature search on proton and electron EDM experiments.
     - Literature search to better understand the polarized proton and 3He linacs at RHIC/BNL EIC.

Computational Physics - Yves Roblin
Yves Roblin

   Previous two weeks (Mar 2 - Mar 13)
     - CASA Beam-Beam package
     - Using the conjugate gradient method and writing in Python, we added the two-dimension Poisson Equation solver to CASA Beam-Beam
   Next two weeks (Mar 16 - Mar 27)
     - Continue working on revising CASA Beam-Beam package.

Randi Gamage

   Previous two weeks (Feb 17 - Feb 28)
     - IPAC papers 
     - Multipole correction for jelic icr (not converging probably due to too many correctors?)
   Next two weeks (Mar 2 - Mar 13)
     - IPAC papers 
     - Multipole correction for jleic icr 
     - Looking at EIC detector solenoid compensation

River Huang

   Previous two weeks (Feb 17 - Feb 28)
     - CASA Beam-Beam package - We are working on revising Lie-operator code part of CASA Beam-Beam package, the
       part will record the details of “slice-slice” kick which acts on the 6 phase space coordinates at s=0(the IP)
   Next two weeks (Mar 2 - Mar 13)
     - Continue working on revising CASA Beam-Beam package.

Isurumali Neththikumara

   Previous two weeks (Feb 17 - Feb 28)
   Next two weeks (Mar 2 - Mar 13)

Dennis Turner

   Previous two weeks (Mar 2 - Mar 13)
     - AIPINJ
        - New layout; close to finalized.  Updated elegant decks.
        - Rematched new layout for various Wien configurations and provided QW and solenoid setpoints.
        - Simulated harp emittance measurements to verify it will work with the latest layout.
        - Prepared slides regarding optics to present to AIPINJ meeting. 
     - HLA
        - Tweaks to qsUtility.
        - Reviewed rayTrace code and began code cleanup and streamlining.
     - Attended AI for NP conference.
     - Attended BTeam, CASA, AIPINJ, AI Lunch, and 12GeV PRAB meetings.
   Next two weeks (Mar 16 - Mar 27)
     - Optics On-Call
     - AIPINJ
        - Build a deck for the run after the summer shutdown.  We will be running 130keV with the new beamline up to the chopper, and 
          existing beamline downstream.
        - Present optics slides to AIPINJ meeting.
     - HLA
        - Continue with rayTrace.
     - AI
        - Provide detailed outline of RF cavity instability detection idea for upcoming funding proposal.
        - Experiment with using Keras/TensorFlow on archived RF cavity data to learn hands-on.
     - Attend BTeam, 12GeV PRAB, AI Lunch, Accelerator AI, AIPINJ, CASA, 0800 meetings. 
     - Remain socially distant.

He Zhang

   Previous two weeks (Feb 17 - Feb 28)     
   Next two weeks (Mar 2 - Mar 13) 


Diagnostic Development - Kevin Jordan

Kevin Jordan

  Previous two weeks (Feb 17 - Feb 28)
  Next two weeks (Mar 2 - Mar 13)
     - Travel: 2/28 - 3/8 - IBIC 2020 PC Meeting 

Joe Gubeli

   Previous two weeks (Mar 2 - Mar 13)
     - Isotope Experiment – Spent a large portion of the last two weeks on this project. Started with support of the 1kW run which
       had to be terminated early to investigate the solid hBN target that developed a crack. We had discussions on the cause of the
       crack as well as a path forward. Going forward we decided to investigate the use of graphite over hBN due to its better thermal 
       and electrical conductivity. I performed some analytical energy loss and absorbed power calculations on the window, radiator and
       target. Three targets were analyzed, solid hBN, solid graphite and gallium filled graphite. Using these numbers I ran a number of 
       simulations of these three cases plus a few more using different material properties. I made a presentation of the results.
     - Halo monitor – – The missing $27k received by JLab. We are working on creating an account code for these funds
     - ARDDOT – Started investigating a new design for SLM1A09 to place the camera over the dipole. The idea is to use the dipole
       steel as additional radiation protection. 
     - HPWS - I created an analytical as well as a sequential Zemax simulation of the optics use to image the wire as well as 
       collect photons into a photodiode.
   Next two weeks (Mar 16 - Mar 27)
     - HPWS – Design a test setup to pulse a diode laser that simulates the electron beam. This will allow us
       to test the scanner’s acquisition in pulsed mode. 
     - ARDDOT – Build first a sequential Zemax model of the new SLM1A09 optics then move to a non-sequential Zemax model. After 
       completion of the Zemax models create a solid model and then prepare a presentation for review.
     - Isotope Experiment - Support 1kW run.

Michael Tiefenback

   Previous two weeks (Feb 17 - Feb 28)
   Next two weeks (Mar 2 - Mar 13)

CASA Fellows
LERF - Steve Benson

   Previous two weeks (Mar 2 - Mar 13)
     - Assisted in isotope commissioning run the week of March 9. Will have to redo due to target damage.
     - Hosted seminar by Ying Wu.
     - Sent Straight merger coils to ANL
     - Certified User Lab 4 for laser operation
     - Signed off on TOSP for laser testing in User Lab 4
     - Worked with Operations liaison to revise turn-on procedures for the LERF
     - Continued to review the new LERF Operations Directive
     - Completed report for CBETA close-out revie
   Next two weeks (Mar 16 - Mar 27)
     - Set up simulations of EIC cooling
     - Review Optics Communications paper
     - Finalize the new LERF Operations Directive
     - Organize studies for low energy cooling on eRHIC

Andrew Hutton

   Previous two weeks (Mar 2 - Mar 13)
     - I visited Jamal at VCU to find out more information on the hot cell we need for Isotope separation.  Jamal has been 
       shut down by their Radiation Officer until the hot-cell has been relocated. The future location has been secured. However, 
       with the coronavirus, I do not expect any rapid resolution of the problem.  
     - We carried out our first irradiation in the hutch, unfortunately fracturing a solid block of boron nitride used for setting 
       up CW beam (I have described this in detail in other correspondence, I will not belabor it here).  The Isotope team is 
       preparing for a supplemental ERR as we are considering changing the crucible to graphite.  A suitable graphite grade has been
       identified and a dozen blocks ordered (Kevin).  We all received measurements of the residual metallic impurities, which are being
       looked at by RadCon for completeness (Keith).  The NMT students are on Spring Break and have ramped up thermal simulations, which
       are being compared to our simulations (Joe). 
     - I participated in a VNECA meeting, which was unusually interesting as we are trying to address the major changes in 
       energy policy enacted by the Virginia legislature (again, I reported on this in a separate report).  
     - I completed my HPI training.  Overall, I was not impressed, the trainer spent too much time pointing out mistakes made at 
       Jefferson lab in the past (totally against the principles of HPI).  
     - I attended a meeting of the EIC RF group discussing HOM losses in the electron ring SRF cavities, but did not contribute 
       much. Bob and Frank know way more than I ever will.  I have also interacted with Vasiliy and Yuhong on increasing the luminosity 
       in the medium energy region.  
     - I provided advice to Alex and Deborah about the Awards and Prizes Committee which I initiated, was not maintained, and which 
       Alex is now willing to take on.  I stressed that this initiative will only work if Stuart mandates the team.  
     - My week ended with a request to self-isolate until further notice.  
   Next two weeks (Mar 16 - Mar 27)
     - I am now working from home, for which I am well equipped.  
     - I will be following up on the isotope preparations.
     - I will work through the luminosity parameters in the eRHIC pCDR and have already found some errors.