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March 18, 2021 Report - Mar 1 - Mar 28 Director - Todd Satogata

Todd Satogata

  Previous two weeks (Feb 15 - Feb 26) 
     - EIC Meetings (management, RF, crab, cryo, cooling, impedance, OPC, IR, R&D)
     - MGMT Meetings (Leadership/Dept Heads, CASA coffee)
     - MGMT Review undergraduate traineeship FOA draft; Edy ECA application feedback
     - MGMT Robust Accel Science/Tech Ecosystem RFI (Feb 25)
     - ADMIN High energy cooling FOA meeting (Feb 22)
     - ADMIN IPAC'21 planning (Wednesdays); IR2@EIC workshop planning (Mondays)
     - USPAS Teaching graduate accelerator physics online (Feb 15-19)
     - ODU Isurumali advising (GA discussion/debugging)
     - OPS Meetings (08:00 daily)
  Next two weeks (Mar 1 - Mar 12) 
     - EIC Meetings (management, RF, crab, cryo, cooling, impedance, OPC, team, R&D)
     - EIC Lattice workshop (Mar 2)
     - MGMT Meetings (Leadership/Dept Heads, CASA coffee)
     - MGMT P&C meet (Mar 4), Robust Accel Science/Tech Ecosystem RFI (Mar 4)
     - ADMIN IPAC'21 planning (Wednesdays); IR2@EIC workshop planning (Mondays)
     - ADMIN APS DPB Exec Committee Quarterly (Mar 1)
     - ADMIN SAF801T training update (at lab, Mar 3)
     - ADMIN Ryan Bodenstein Mac configuration onboarding
     - ODU Isurumali/Bhawin python OO tutorials
     - OPS Meetings (08:00 daily)

Alex Bogacz

  Previous two weeks (Feb 1 - Feb 12) 
     - Switchyard strategies for FFA@CEBAF
     - Setting up GA for linac optics (one-on-one with Isturumali)
     - Muon acceleration writeup for Muon Collider Study Group. 
  Next two weeks (Feb 15 - Feb 26)
     - Presentation on switchyard for FFA@CEBAF
     - Collaboration with Kevin Andre on PERLE end-to-end tracking
     - PRAB paper review
     - White Paper on future CEBAF - writeup on FFA energy doubling

Ryan Bodenstein

  Previous two weeks (Feb 15 - Feb 26) 
     - First timesheet submitted
     -	Benefits, etc… selected, updated, etc…
     -	House hunting *finally* successful – Yorktown will be home 
     -	Started trying (and not always successfully) to configure Mac for various codes
              - Optim – tried running on Wine, but might not work on Catalina
              - Looked into Sirepo to use multiple codes (Zgoubi, Elegant, Mad-X, etc…)

 - Free version seems ok, will see if need paid version

              - Need to see how to access cluster computer
     -	Met with Vasiliy to brainstorm if/how I could best contribute to EIC
              - Still requires some thought/discussion, but there are good options
     -	All web-based training completed. Anything on-site (med, rad worker, etc…) has to wait
  Next two weeks (Mar 1 - Mar 12)
     - Attendance of 8 AM SAD meetings

 - Useful for learning about machine

     -	Attendance of B-Team Meetings and Procedure Development Meetings

 - Made ACE account to access Twiki, etc…

     -	FFA WG meetings
     -	Installation of programs

 - PlayOnMac for Windows programs  - MacPorts  - OptiM  - Gnuplot  - Etc…  - Trying to get computer set up so I have a steady work flow

      - Will attend PERLE meeting

Rui Li

  Previous two weeks (Feb 15 - Feb 26)
     - Developing further understanding of the CBB and transverse instability problem in eSR of EI
     - Communicating with Riad about CSR impedance in their EDM ring
     - Attend EIC impedance/instability meetings
  Next two weeks (Mar 1 - Mar 12) 
     - Read more reference papers on CBB and Landau damping
     - Doing more calculations for the CBB problem
     - Attend EIC impedance/instability meetings

Edy Nissen

   Previous two weeks (Feb 15 - Feb 26)
     - Attended EIC beam-beam and RCS meetings 
     - Submitted ECA application
     - Gave talk at GlueX collaboration meeting
     - Took Friday the 19th as a vacation day
     - Work to finalize DESIREE paper for resubmission, sent draft to coauthors on the 26th
   Next two weeks (Mar 1 - Mar 12)
     - Attending Beam-beam and RCS meetings
     - Working on data analysis of DESIREE data from earlier in February
     - When my colleagues get back from their spring break we will finalize the paper for resubmission

Chris Tennant

   Previous two weeks (Feb 15 - Feb 26)
     - AI lunch (web, administrative, public affairs, speaker coordination, etc.)
     - Attend seminars (OWLE, Accelerator, AI Lunch, etc.)
     -	AIFOA1: discussions on data requirements on new C100 scope mode, understanding implications for future AI work
     -	RADSMA: data exploration, training autoencoder models on data, need to understand how to take into account beam intensity dependent measurements
     -	ARDFML: unsupervised learning and data exploration to understand differences in two different data sets
     - Work on documenting and submitting invention disclosure
   Next two weeks (Mar 1 - Mar 12)
     - AI lunch (web, administrative, public affairs, speaker coordination, etc.)
     - Attend seminars (OWLE, Accelerator, AI Lunch, etc.)
     - AIFOA1: generate data to train a binary classifier for fault prediction
     -	RADSMA: investigate impact of preprocessing data on model performance, train models on newly created dataset
     -	ARDFML: understand how to work with deep learning Pytorch model for fault classification, look into impact of bypassed cavities on model performance

Accelerator R & D - Yuhong Zhang

Yuhong Zhang

  Previous two weeks (Feb 1 - Feb 12)
  Next two weeks (Feb 15 - Feb 26)

Max Bruker

  Previous (Feb 15 - Feb 26)
     - More optics measurements
     -	Finish JSPEC improvements if there is some free time
     -	Simulate multipole moments of the commercial corrector coils to be able to predict their detrimental effect, if any
     -	Simulate energy gain of QCM cavities depending on phases using tracking with field maps and accurate geometry. I've done this before but will need to resuscitate it to see if Yan's 
       and Matt's latest calculations make sense. They involve extrapolating the measured energy gain of the combined structure to zero field in one of the cavities to predict the energy gain 
       of the other cavity in isolation. I have some doubts as to the accuracy of that method because the beam becomes so slow that the transit time is likely to change significantly and we don't
       have enough phase knobs to compensate for it. Interesting question and not complicated.
  Next (Mar 1 - Mar 12)
     - HDice run. I wouldn't say it was entirely without issues, but overall we can't complain. Apart from occasional RF trips, the biggest
       annoyance is that the orbit is not constant enough by itself and you have to resteer it every few hours.

Fanglei Lin

  Previous two weeks (Feb 15 - Feb 26)
     - Continued the work and reported the study results of vertical bumps on the electron polarization in the ESR  
     -	Optimizing the optics of the dual energy storage ring cooler 
     -	Took one week off 
     -	Miscellaneous: attended the EIC eSR polarization meeting, attended the meeting of Development of Innovative High Energy Electron Cooling for an EIC Status Update, attended EIC design team meeting, attended the Storage Ring Cooler meeting, attended the EIC general meeting, attended the EIC hadron polarization meeting, attended the EIC Accelerator Design meeting, attended the weekly positron meetings, attended the SPIN@USPAS2021 Prep Meeting 
  Next two weeks (Mar 1 - Mar 12)
     - Work on the storage ring cooler project  
     -	Work on the teaching material for USPAS 2021 summer section 

Bhawin Dhital

   Previous two weeks (Feb 1 - Feb 12)
     - Completed all 6 tech notes. Ready to submit into JLab online system. Some of them are already submitted.
     - I was reading some tech notes and papers in HOM impedance measurements.
     - I was working to find out the discrepancy in Touschek lifetime calculation in High Energy Ring section.
   Next two weeks (Feb 15 - Feb 26)
     - Submitted all 6 tech notes into Je�erson Lab internal system.
     - I was working with isochronous ring lattice.
     - Damped energy spread, emittance and the corresponding damping times and IBS times are estimated for the given isochronous ring lattice. IBS times are longer ( order of sec) and damping times are shorter ( order of ms). Dual energy ring design using isochronous arc lattice looks promising.

Vasiliy Morozov

   Previous two weeks (Feb 1 - Feb 12)
     - EIC 2nd IR work: chromaticity compensation, development of alternative designs with smaller crossing angles, presentations at the IR1/IR2 meeting with 
       BNL and JLab colleagues and at the IR2 meeting with nuclear physicists from JLab and external institutions
   - Compensation of the detector solenoid effect on crabbing in the electron ring: evaluation of various compensation scenarios, presentation at the Friday IR design meeting
   - CEBAF FFA arc design: initial designs of adiabatic matching sections using linear and polynomial interpolations
   - Presentation of a concept of a small ring for electron EDM search at the R&D meeting
   - Study of RHIC and EIC proton polarization lifetimes due to IBS
   - Work on a PRAB paper with an expanded scope covering the general concept of polarization control at an integer spin resonance applicable, in particular, to the EIC
   Next two weeks (Mar 1 - Mar 12)
     - Continue chromatic compensation and development of alternative designs of the 2nd IR, preparation for the IR1/IR2 meeting on 03/09 and the IR2 workshop the week of  03/15 
   - Continue exploring schemes for compensation of the detector solenoid effect on crabbing
   - CEBAF FFA arc design: matching of small-beta optics in the arcs to large-beta optics in the straights
   - Effect of IBS on the proton polarization lifetime: separate the friction and diffusion terms in IBS and consider the diffusion term only
   - Preparation for re-submission of the PRAB on polarization control at integer spin resonances
   - Start work on a paper about small rings for electron EDM search

Amy Sy

   Previous two weeks (Feb 15 - Feb 26)
     - Laser particle counter: literature search on micron sized particle delivery. Working with R. Rimmer and G. Ciovati to make space for the test bed in the Test Lab - current plan is to fit into the Structures Lab.
     - Participating in DOE/SC Review of Mu2e on the Accelerator subcommittee (2/23-2/25). 
     - Biweekly meeting with Omnisensing Photonics on detector prototype progress.
   Next two weeks (Mar 1 - Mar 12)
     - Report writing and submission for the DOE/SC Review of Mu2e.
     - Laser particle counter: continued literature search on micron sized particle delivery. Detector group is working to dismantle the current test setup to reclaim their lab space - the process will be documented,
       and the group will provide support for reassembly in the new test bed location. Understanding previous data from the commercial (Wexx) particle counter to enable calibration of the prototype counters to be delivered. 
       Vendor is planning to deliver the two prototype counters together in a single site visit due to COVID-19.
    - Biweekly meeting with Omnisensing Photonics on detector prototype progress.

Computational Physics - Yves Roblin
Yves Roblin

   Previous two weeks (Feb 15 - Feb 26)
     - UITF review 
     - Moller collaboration meetings
     - Moller beamline optimization
     - Procedural development for injector 0R05 beam characterization
     - Procedural development for Spreader/Recombiner setup
     - Injector ORFP, main machine ORFP development.
     - FFA meetings
     - Positron proposals meeting
     - BTeam coordination and meetings
   Next two weeks (Mar 1 - Mar 12)
     - Moller beamline optimization
     - Procedural development for injector 0R05 beam characterization
     - Procedural development for Spreader/Recombiner setup
     - Injector ORFP, main machine ORFP development.
     - FFA meetings
     - Positron proposals meeting
     - BTeam coordination and meetings
     - Prepare for talk for HALLA/HALLC interface meeting (3/17)
     - Prepare for talk on positron use for future exp in HallA/C (3/11)
     - Developing a G4toELEGANT interface
     - Investigate the possibility of carrying out experiment in CEBAF to simulate transport of high emittance beam (such as positrons)
       using a target to degrade the e- beam.

Randi Gamage

   Previous two weeks (Jan 18 - Jan 29)
     - t2nd IR integration to the full lattice for hadrons
     - Chromaicity correction for the HSR with two IRs 
     - Hall A beam line ptimization
     - Looking in to switch yard for CEBAF FF
   Next two weeks (Feb 1 - Feb 12)
     - Chromaticity correction for the HSR continue
     - hall A beam line reconfiguration tunability study
     - low energy optimization for the 1st IR with DFD and DDF configurations

River Huang

   Previous two weeks (Jan 18 - Jan 29)
     - We are working on study the image reconstruction of collision beams based on Poisson's solution of equation and trying to solve the retarded potentials based on results obtained in 1995 by R.A. Kruger.
     - We are also working on optimizing CASA Beam-Beam.
   Next two weeks (Feb 1 - Feb 12)
     - Continue working on CASA Beam-Beam.

Isurumali Neththikumara

   Previous two weeks (Jan 18 - Jan 29)
     - Completed creating 10-pass north linac files with 750 MeV energy gain per pass with different phase advances (900,1200,600)
     -	Compared OptiM and Elegant output for 600 FODO linac with 1.1 GeV gain. 
            - Elegant files were obtained from Dr. Roblin, and there’s a pretty good agreement in both results
            - But inj+NL file had deviations due to weak cavity-end focusing 
     -	Tried to write a conversion script from OptiM to Elegant, but it’s complicated, so decided to convert OptiM to Madx, then convert
       Madx to Elegant format.
   Next two weeks (Feb 1 - Feb 12)
     - Start writing the GA code.

Dennis Turner

   Previous two weeks (Feb 12 - Feb 26)
     - UITF
          - Prepare for optics measurements after the next HDIce run (testplans, etc)
          - Verify element locations in the deck vs beamline walkdown
     - AIPINJ
          - Develop testplan for 130keV matching for various wien filter configurations.
          - Finalize elegant deck vs. the latest songsheet.
     - HLA
          - rayTrace data collector and analyzer debug and new features
          - cs2sdds, ced2elegant, qsUtility tweaks
     - OPS
          - Continue with procedure updates, particularly aperture scan
     - Attend Accelerator seminars, AI Lunch Series talks, etc
     - Attend 0800, BTeam, AIPINJ, UITF, AI FOA meetings.    
   Next two weeks (Mar 1 - Mar 12)
     - UITF
         - Fixed qsUtility templates for upcoming measurements
         - Made further tweaks to the elegant deck and imported into UED Optics workspace
         - ced2elegant bugfixes for UITF
     - AIPINJ
          - Verified latest elegant deck vs latest songsheet and imported into InjUpgrade workspace
          - Created qsUtility templates for 130keV measurements
     - AI
          - Developing pyTorch model for the C100 fault dataset to further learn pyTorch
          - Met with Jon Edelen from Radiasoft
     - Attended Software and Computing Roundtable on Best Practices for Software Projects
     - Completed GEN101 Annual Standards of Conduct training
     - Continue work on Aperture Scan procedure
     - Attended Accelerator Seminars, AI Lunch Series talks
     - Attended 0800, 1330, AIPINJ, BTeam, AI FOA, Positron, and UITF meetings.

He Zhang

   Previous two weeks (Feb 1 - Feb 12)     
   Next two weeks (Feb 15 - Feb 26) 

Diagnostic Development - Kevin Jordan

Kevin Jordan

  Previous two weeks (Feb 15 - Feb 26)
     - I was program deputy
     - Wrapping up Isotope project
     - Working on magnetron project
     - Preparing for IBIC scientific program committee
  Next two weeks (Mar 1 - Mar 12)
     - Updated Faraday Cup website
     - Worked on programing for magnetron controls
     - Provided controls design for injector (Marcy) turbo pump cart interlocks
     - Spent some time preparing for IBIC 2021 conference program

Joe Gubeli

   Previous two weeks (Feb 1 - Feb 12)
     - Isotopes – Work on 50kW design
     - ARDDOT - Completed new design for the ARC 1 & ARC 2 SLMs. This design places the cameras over the dipole. With the dipole steel and a few 30% boron poly bricks we should be able reduce the radiation on the camera and have it last a little longer. Due to the low head clearance in the upper ARC a creative modification of a turning mirror was made that should allow for remote X&Y axis steering. Everything has been ordered except the 3mm slits and the borated poly shielding. Those should go on order today.
   Next two weeks (Feb 15 - Feb 26)
     - Isotopes – Work on the 50kW design
     - ARDDOT – Continue working on diagnostics upgrade to CEBAF (simulations, engineering and designs).  

Michael Tiefenback

   Previous two weeks (Feb 1 - Feb 12)
   Next two weeks (Feb 15 - Feb 26)

CASA Fellows
LERF - Steve Benson

   Previous two weeks (Feb 1 - Feb 12)
     - Reviewed  two SBIRs from DOE-NP.
     - Put together the budget for the Isotope quarterly.
     - Analyzed split linac compression scheme for uB CeC project
     - Put together  JLAMP II design study
     - Went over old CDR appendix looking for potential lethal flaws in the low energy cooler design. None found.
   Next two weeks (Feb 15 - Feb 26)
     - Attend the Wastewater irradiation ERR 
     - Edit and help submit tech note on JSPEC
     - Review some more papers
     - Rewrite and submit the LOSP for User Lab 4
     - Set up training for Drive Laser Enclosure LPSS
     - Derive specifications for JLAMP II

Andrew Hutton

   Previous two weeks (Mar 1 - Mar 12)
     - EIC: again, not much.  I need to find a topic I can get my teeth into.  That may have to wait until the JLab deliverables are defined.    
     - Isotopes: I met virtually with Dongfeng Pan and Mahendra Chordia of UVA and Tyvin Rich of the HU Proton Therapy Institute, following which I sent them our original proposal which had the separation “recipe” spelled out in detail.  I am waiting to hear back from UVA.  Tyvin invited me to a face-to-face meeting (my first in almost a year!) and he enthusiastically wants to be part of the team.  He has collaborated for years with Pan and Mahendra, so i think he will convince them to join.  This would create an extremely strong team.  At the moment, I am laying low until they formally ask to join.  We are making significant progress in understanding the irradiation data with Adam Stavola and the two NMT students working closely together, with Doug Wells guiding.       
     - ERLs: I have continued to make progress on the spreadsheet (see the latest version, attached).  We had the first Panel meeting and got buy-in for the plans.  Max Klein had prepared a layout of the report that we have to write and we are now waiting for volunteers to write the various sections - we actually already have some!  We are currently preparing for the next meeting.  We are being asked to organize a “public” information meeting sometime in June.  The meeting will be virtual and require some organization. 
     - PERLE: I have made some progress with the ICRADA by finding out who is the person at IN2P3 in charge of the agreements and going to him directly.  There may actually be light at the end of the tunnel!  
     - I have canceled participation in the student collaboration with VCU Nuclear Engineering, VUU and Sweetbriar as requested by Stuart and Andrei.  I managed to do it without creating too much trauma, so I can look for other collaboration opportunities.  
     - New Accelerator Facility: I have continued to flesh out my idea and have emailed to prospective Users: Supy at VCU Engineering (they are in) and Doug Wells at NMT (an enthusiastic YES), and contacts at Framatome and BWXT (waiting to hear back).  I should be able to present something in a couple of weeks.  
     - I got my second Moderna vaccine shot on Friday, March 12, so I should be fully protected by the end of the month.        
   Next two weeks (Mar 15 - Mar 26)  
     - Isotopes: I met via BlueJeans with my REU student, Loida Rosado Del Rio, on Wednesday for the first time.  She seems enthusiastic about working as the Editor on our next proposal.  I also had a large meeting on Friday with our new collaborators from UVA and HU, Loida and our existing team from JLab and NMT, so that everyone could introduce themselves.  I think we now have a powerful team and are much better placed to get funded.  We will start attacking the proposal at the beginning of May when Loida officially starts.  We are close to finalizing the 50 kW crucible design (Joe and Pavel Degtiarenko) to a level sufficient to close out the Milestone for our existing proposal.  This will be “recycled” as input to the new proposal.  This week, I will start preparing the APS talk that will be given by Steve.        
     - ERLS: this is proceeding smoothly.  I have asked several JLab staff members for short write-ups and have got positive answers from all - including George Neil even though he is retired!  Max presented our input to the European Lab Directors Group and it was well received.  We will need to organize a public meeting sometime this summer.      
     - I have been approached by VCU Nuclear Engineering Group to participate in a request for student funding on Isotope studies.  The other collaborators are Virginia Union University (an HBCU) and Sweet Briar College (an all women’s university).  
     - PERLE:  No news is not necessarily good news.
     - New Accelerator Facility - no response from Stuart or Andrei, so I am moving forward.  I have a meeting with the Business Development Manager for Advanced Technologies at BWX Technologies, Inc. this afternoon to explore areas where we might collaborate.