2021-8-19-LeadershipReports

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August 5, 2021 Report - July 19 - August 13 Director - Todd Satogata

Todd Satogata

  Previous two weeks (July 19 - July 30) 
     - EIC Meetings (management, RF, crab, cooling, impedance, team, R&D, beam-beam)
     - EIC Meetings (second IR), resource planning (critical hires), L2 risk assessment
     - EIC 6.02 Work/Milestones towards CD-2 (Jul 23)
     - EIC PSQ@EIC workshop (intermittent, Jul 19-23)
     - MGMT Critical hire job descriptions, postings
     - MGMT Meetings (Leadership/Dept Heads, CASA coffee)
     - ADMIN Summer student talk dry runs (Jul 23)
     - OPS Meetings (08:00 daily, BTeam)
     - VACATION (July 28-30) 
  Next two weeks (Aug 2 - Aug 13) 
     - VACATION (Aug 2-6), Med leave (AM Aug 12, dentist)
     - EIC Meetings (management, RF, crab, cooling, impedance, team, R&D, beam-beam)
     - EIC Meetings (second IR), resource planning (critical hires)
     - EIC Develop work plans for Vasiliy/Fanglei
     - MGMT Meetings (Leadership/Dept Heads, CASA coffee)
     - OPS Meetings (08:00 daily, BTeam; optics on call)




Alex Bogacz

  Previous two weeks (July 5 - July 16) 
     - One-on-one with Rishi
     - Coordinating/writing a PRAB paper on PERLE
     - Contributing to White Paper on future CEBAF
     - Optics design for a recirculated CEBAF  injector at 650 MeV 
     - Writeup for Muon Collider Roadmap Panel
  Next two weeks (July 19 - July 30)
     - PRAB paper review
     - Mentoring Isurumali 
     - MED day
     - Writing a PRAB paper on ‘Beam Dynamics Driven PERLE Design’
     - FFA@CEBAF resource planning 





Ryan Bodenstein

  Previous two weeks (July 5 - July 16) 
     - Operations meetings
     - B-Team meetings
     - Summer Student guidance
     - FFA@CEBAF collab work
     - Positron/FFA liaison work 
     - LDRD Talk preparation
     - LDRD Oral presentation
     - PhD Student guidance
     - CBETA Meeting
  Next two weeks (July 19 - July 30)
     - Operations meetings
     - B-Team meetings
     - Summer Student guidance
     - FFA@CEBAF collab work
     - Positron/FFA liaison work
     - PhD Student guidance
     - PERLE Collaboration Meeting





Rui Li

  Previous two weeks (July 19 - July 30)
     - Collective effects in Riad, Vasiliy, Slava's EDM proposal
            - I'm requested by Riad and Slava to look at the CSR and microbunching instability problems in their EDM ring
            - I started to look at both problems. It may take some time for me to finish these studies
     - CBB and TCBI
            - Continue with the tune space exploration
            - Thinking about how to improve the model so as to eliminate the artificial tune dependence of the TCBI growth rate resulted
              from the over-simplification of the model in our study
            - Continue to summarize my results in preparation for paper writing---there are too many results that need to be organized
              for this report
     - Responded to Chris Mayes request about my view of recent development of 2D/3D CSR modeling, in support to his preparation for 
       article writing on this topic for the upcoming ICFA newsletter 
  Next two weeks (Aug 2 - Aug 13) 
     - Collective effects in Riad, Vasiliy, Slava's EDM proposal
             - Send Riad email about my understanding of the issue and approach needed. I still need to get into more  details of this problem
     - CBB and TCBI
             - Had some deeper looks at the effect of working points on the interplay of CBB/TCBI. Interesting behaviors show up when the two coherent spectral bands collide/overlap.
             - Finished writing up a summary of my recent tune-scan results and sent it to Mike Blaskiewicz
             - Got some ideas about how to eliminate the artificial tune dependence of the TCBI growth rate resulted from the over-simplification of the model in our study
             - Still need to think through about the effect of nonlinearity of beam-beam on the correct modeling of the multi-bunch coupling via the long-range transverse wake.





Edy Nissen

   Previous two weeks (July 19 - July 30)
     - DODGE paper sent to signature Queue
     - Attended RCS Task force meeting
     - Attended Beam-beam task force meeting
     - Contacted WARP team member to help with DODGE simulation
   Next two weeks (Aug 2 - Aug 13)
     - Optics on call 8/3-8/10
     - Will submit aproved DODGE paper to PRAB
     - Hopefully get WARP to work properly






Chris Tennant

   Previous two weeks (July 5 - July 16)
     - 
   Next two weeks (July 19 - July 30)
     - 






Accelerator R & D - Yuhong Zhang

Yuhong Zhang

  Previous two weeks (July 5 - July 16)
     - 
   Next two weeks (July 19 - July 30)
     - 



Bhawin Dhital

   Previous two weeks (July 5 - July 16)
     - I was working with new lattice design with isochronous arc. Initial particle tracking was performed. 
   Next two weeks (July 19 - July 30)     
     - I will be working on dual energy storage ring cooler design with new design using isochronous arc lattice. Further modi�cations and stability criteria of such a new lattice will be carried out.
       More calculations with particle tracking simulations will be carried out




Amy Sy

   Previous two weeks (July 5 - July 16)
     - Laser particle counter: Continued data analysis of 6-channel data with 1-2 Hz wire sweeping rate. Vendor visit on July 6 focused on observation of different operating modes and implications on event
       identification both pre and post data analysis. Currently seeing 3-4 operating modes in which events are often seen in one of the two available signals per channel, and trying to understand why channels
       switch between operating modes as the system settles. Vendor returned on July 14 with updated software allowing for higher data resolution in both signals (shared bandwidth between the two signals) and 
       an updated algorithm for offline analysis of the signals that relies on calculating and subtracting a noise spectrum from the raw data. 
     - Discussion with M. Poelker on studies of gas bremsstrahlung in the CEBAF linacs, possibility of detection using radiation monitors, and mitigation efforts including ion clearing gaps. Literature study 
       on gas bremsstrahlung in electron storage rings and ion clearing methods at Cornell. Discussion with M. Poelker and J. Grames on July 12.
   Next two weeks (July 19 - July 30)
     - Literature study on gas bremsstrahlung in electron storage rings and ion clearing methods. Working with J. Grames and M. Poelker to continue studies of gas bremsstrahlung in the CEBAF linacs.
     - Laser particle counter: Continued system debugging, optimization, and data analysis to better understand operational modes. Swapped the sensors driving channels 0 and 2 to test whether the noise in 
       channel 0 is fiber driven or sensor driven. Vendor will return July 27-28 with remaining 18 sensors for full 24 channel capability. The additional sensors should have better signal to noise response 
       than the initial 6 channels.










Computational Physics - Yves Roblin
Yves Roblin

   Previous two weeks (July 5 - July 16)
     - OPS:
         - BTEAM  meeting
         - BTEAM coordination
         - Analysis of previous machine Downtime, developing new metrics to track tune time
     - OTHER:
         - CEBAF:
              - CED updates for upcoming run
              - Optics development for Hall A and Moller collaboration
     - USPAS: 
         - exercises grading
         - setting up latex templates for springer verlag book chapter
         - literature search,reading 
   Next two weeks (July 19 - July 30)
     - CEBAF machine recovery
     - Developing new schemes for extracting transfer matrices in the injector region
     - Optics development 
     - Bteam coordination+meetings
     - USPAS  meeting on book writing
     - Looking at AI opportunities for machine fault detection/reliability.






Randi Gamage

   Previous two weeks (July 5 - July 16)
     - 
   Next two weeks (July 19 - July 30)
     - 


River Huang

   Previous two weeks (July 5 - July 16)
     - EIC Beam-Beam project: Collaborating with Vasiliy Morozov, Yun Luo, Yuhong Zhang and other colleagues, studying on the emittance growth caused by the phase noise in the crab 
       cavity and further testing particles’ tracking by using CASA-BeamBeam.
   Next two weeks (July 19 - July 30)
     - Continue working on EIC Beam-Beam project.




Isurumali Neththikumara

   Previous two weeks (July 5 - July 16)
     - Reading on SVD and check on possibilities of applying it on 10-pass twiss data.
             - Try to reduce the dataset using a cutoff singular value.
     - Plotted all the basis vectors (U & Vt unitary matrices) to see if there is any significant noisy behavior.
     - Looking for a python NSGA module with parallelizing capabilities.
   Next two weeks (July 19 - July 30)
     - Understand SVD results and try to interpret results.
         





Dennis Turner

   Previous two weeks (July 19 - July 30)
     - AIPINJ
          - Merged new PREINJ deck into setup910 and then Ops
          - Performed injector energy measurement and set the injector energy upon recovery of 0L04-4
          - Performed 5MeV and 123MeV Injector match
          - Tested the draft Injector Matching procedure
          - Work with Joe Grames to calibrate early Injector viewers for beam size measurements
     - UITF: 
          - Agreed to become a qualified UITF operator
          - Completed UITF Operator Moodle modules
          - Recieved new survey data; Need to make the new elegant deck and import into UED
     - HLA
          - Work on fix for missing elements in csGUI
          - Address qsUtility matchingTool elegant output not showing
          - Address matchingTool optimization_variable vs optimization_covariable bug
     - Optics On-Call
     - Aperture scan procedure updates
     - Attended 0800, BTeam, AI FOA, AIPINJ meetings
   Next two weeks (Aug 2 - Aug 13)
     - AIPINJ
          - Revisited IYG0I02 image analysis.  Compared with 0L03 qsUtility measurements vs. damping, etc. to see if the emittance measured at IYG0I02 makes sense.  It doesn't.
          - Rechecked post-processing for IYG0I02 images to see if there were any obvious mistakes.
     - HLA
          - qsUtility matchingTool bugfixes
          - Improvements to elegant2ced and elegant2ued
          - Checked out rayTrace for upcoming Beam Studies. Added some tweaks and improvements.
          - Checked out MultiWire for upcoming Beam Studies.  Added some tweaks and improvements.
          - Tweaks and improvements to cs2sdds. Fixed some bugs discovered when testing rayTrace.
          - Tweaks and improvements to lem2sdds. Also fixed some bugs discovered when testing rayTrace.
          - Fixed csGUI 'missing elements' error for older fopt datasets
     - UITF
          - Made new elegant deck for wastewater treatment setup
          - Imported deck into UED
     - Attended RadiaSoft webinar: MAD-X and Sirepo
     - Attended 0800, BTeam, AIPINJ, AI FOA meetings.




He Zhang

   Previous two weeks (July 19 - July 30)
     - Finished a report to close the cooling code benchmark project.
     - Submit the manuscript on TPSA lib to JLab publication system. 
     - Added more math functions for complex DA vectors in the TPSA lib. Polishing the library to meet JOSS criteria. 
   Next two weeks (Aug 2 - Aug 13)
     - Submit the TPSA lib including the paper to JOSS. 
     - Finish a draft on FMM.





Diagnostic Development - Kevin Jordan

Kevin Jordan

  Previous two weeks (July 5 - July 16)
     - 
   Next two weeks (July 19 - July 30)
     - 



Joe Gubeli

   Previous two weeks (July 5 - July 16)
     - Isotopes –
     - ARDDOT -  
   Next two weeks (July 16 - July 30)
     - Isotopes – 
     - ARDDOT –


Michael Tiefenback

   Previous two weeks (July 5 - July 16)
     - 
   Next two weeks (July 19 - July 30)
     - 



CASA Fellows
LERF - Steve Benson

   Previous two weeks (July 5 - July 16)
     - Prepared and presented presentation for LDRD proposal
     - Derived phase an amplitude specifications for harmonic RF for the EIC cooler ERL
     - Reviewed FEL laser optics procurements for export control sensitivity
     - Reviewed new Laser Safety sections of the ES&H manual
     - Attended the Symposium on the Accelerator R&D Roadmap for the HEP Community
     - Started putting together quarterly report for the Innovative High Energy Cooling project
   Next two weeks (July 19 - July 19)
     - Complete and submit quarterly report for the "Innovative High Energy electron cooling for the EIC" contract.
     - Continue developing longitudinal model for CeC ERL on LiTrack
     - Review several papers.
     - Assist in writing the Isotope program final report.
     - Rewrite and submit the LOSP for User Lab 4





Andrew Hutton

   Previous two weeks (July 19 - July 30) 
     - Isotopes: The Final Project Report for our current isotope funding was due July 30; I completed it July 23!  Thanks to Tristan and Steve for improving the look.  It was submitted on July 29.  That will end the isotope program at Jefferson Lab - perhaps for ever!  
     - Loida made wonderful progress.  She gave an excellent dry run, but re-analyzing the data, she was able to make it even better!  After get back from vacation, we started discussing where she should go for a PhD.  It should be somewhere with a large Spanish-speaking community.  She also gave an excellent recorded presentation and submitted a paper.   
     - ERL:I gave my ERL talk () on Friday July 9 to about 145 people. This took up a lot of time.  The ERL sub-Panel took up even more time as we have wrestled with understanding the CERC.  I had the 
       last meeting on the CERC as well as the first meeting where Telnov presented the ERLC.  I foresee another frenetic round of interactions between the sub-Panel members who are incredibly active - I 
       regularly have a dozen emails early in the morning as the others get up before me!   I contacted Wim Leemans, now at DESY, to try and talk him into participating in PERLE.  No follow up from DESY yet. 
       With the loss of Frank Marhauser and all the EIC work, I do not see Jefferson Lab having a big involvement in the SRF for PERLE, so maybe we can work with DESY to participate in the SRF.   Hopefully, 
       Alex will be able to continue leading the optics studies.                     
   Next two weeks (Aug 2 - Aug 13)  
     - Isotopes and Loida: while on vacation, I realized that Loida’s program could be easily modified to carry out the same search for new isotope pathways for all of the possible projectiles: neutrons, protons, deuterons and alpha particles.  This should enable us to identify possible new pathways for most, if not all of the isotopes on the DOE-ONP Isotope Program “Most Wanted” list.  For this, I will need Loida to modify her program and run it for different input conditions.  I have arranged with Balśa to pay her for four hours a week through Christmas to do this, in addition to paying her time while she is at AccApp’ 2021 presenting the results.  My part will be to provide a written paper based on the results - the intention is to submit it to a refereed journal.      
     - ERL: we had the first meeting of the EL sub-Panel devoted to discussing the ERLC.  Akira had prepared a 30 slide presentation with cost and power calculations, which we are now looking at offline.  Progress will be slow in August due to vacations, but will resume full swing in September.  We have been accorded a delay for delivering the conclusion until the end of September.  In the meantime, I will be writing up our conclusions for the CERC.  The ERL Panel has not yet resumed looking at the actual roadmap, but will start soon.  I know what I think it should be; now I have to persuade my more timid colleagues!    
     - PERLE ICRADA: after about a year, the documents have been returned by the French side and are now with DOE.  I do have a concern that with the recent losses in the SRF R&D Department, we may have problems fulfilling our intended scope.  This will come up in earnest when the DOE signs the ICRADA.