2020-7-9-LeadershipReports

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July 9 2020 Report - June 22 - July 17 Director - Todd Satogata

Todd Satogata

  Previous two weeks (Jun 22 - Jul 3)
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  Next two weeks (Jul 6 - Jul 17)
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Alex Bogacz

  Previous two weeks (Jun 22 - Jul 17) 
     - Exploratory study on ‘Possible 24 GeV ‘FFA* CEBAF?’
     -	Presenting two talks  at Bob McKeown mtg. on ‘off the book projects’:
          - FFA* CEBAF’?
          - The LHeC ERL Design
     -	Preparing materials for the Navy review of ‘Heavy ion FFA project’ 
     -	Review invention disclosures
  Next two weeks (Jul 6 - Jul 17)
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Rui Li

  Previous two weeks (May 25 - June 5)
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  Next two weeks (Jun 8 - Jun 19) 
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Edy Nissen

   Previous two weeks (Jun 8 - Jun 19)
     - Attended task force meetings
     - Performed beam beam simulations for the beam beam task force
     - Worked on analysis of DODGE data
     - Gave R&D meeting talk about DODGE
   Next two weeks (Jun 22 - Jul 2)
     - Continue simulations for task forces
     - Continue analysis of DODGE data



Chris Tennant

   Previous two weeks (Jun 8 - Jun 19)
     - Create and present talk for AI Lunch Series on "Problem of the Quarter #4" solution
     - Work with A. Carpenter for visualizations for the SRF fault classifier
     -	Work on talk outlines (LBNL and JLab seminars)
     -	Explore machine learning for data streams
   Next two weeks (Jun 22 - Jul 2)
     - Vacation (June 22-26)
     -	EEML summer school




Accelerator R & D - Yuhong Zhang

Yuhong Zhang

  Previous two weeks (May 11 - May 22)
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  Next two weeks (May 25 - Jun 5)
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Max Bruker

  Previous (Jun 22 - Jul 3)
     - Studied some material on RF feedback issues, gap transient effects, and storage ring instabilities
     -	The IMP article is now in the approval queue and awaiting signatures.
  Next (Jul 6 - Jul 17)
     - Presumably more literature study, but soon we're going to need a starting point for actual simulations. Whether 
       the simulations by Themis or those by the BNL colleagues are closer to reality when it comes to predicting the important 
       issues is not clear yet.
     -	Hopefully submit the IMP article for publication.



Fanglei Lin

  Previous two weeks (Jun 22 - Jul 3)
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  Next two weeks (Jul 6 - Jul 17)
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Bhawin Dhital

   Previous two weeks (May 25 - Jun 5)
     - Single particle tracking with synchrotron radiation on.
     - Many particle tracking with synchrotron radiation on.
     - Equilibrium beam emittance and energy spread estimation from elegant particle tracking. Compared those values with analytical values.
     - For a long run with bunched beam and many particles, decided to go with parallel elegant. Asked Yves to install in JLab ifarm
   Next two weeks (Jun 8 - Jun 19)
     - Installation of PELEGANT in JLab ifarm is in progress
     - Dynamic Aperture, Momentum Aperture and Touschek Lifetime calculation
     - Run simulation using PELEGANT



Vasiliy Morozov

   Previous two weeks (May 11 - May 22)
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   Next two weeks (May 25 - Jun 5)
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Amy Sy

   Previous two weeks (May 25 - Jun 5)
     - Submission of LDRD proposal on preservation of magnetized ion beams.
     - Optimization of various compact spin rotator designs using ZGOUBI and TUNE. Testing various combined function magnet configurations for spin rotation at 18 GeV, and then modifying those configurations to test for effectiveness 
       at 10 and 5 GeV. Solutions exist at each electron energy, but further optimization is ongoing to find a solution for all energies with minimal orbit excursion in the spin rotator.
     - MADX simulations for design of upstream/rear ion optics in the second IR. Matching to existing optics for the primary IR just beyond the crab cavity location.
     - Collected and edited inputs for the EIC design update newsletter.
   Next two weeks (Jun 8 - Jun 19)
     - Working out a distribution strategy for the EIC newsletter.
     - Continued work on spin rotator optimization simulations.
     - Continued work on upstream/rear ion optics for the second IR.







Computational Physics - Yves Roblin
Yves Roblin

   Previous two weeks (May 28 - Jun 5)
     - Beam-beam meetings, 
     - Wrote notes on how to determine tunes by tracking in elegant
     - New method to calculate tune diffusion implemented in python
     - Bteam meetings, support for restart
     - AI meetings, litterature search and reading on AI, in particular the
     - Concept of using streaming AI's for CEBAF data.
     - Vacation (June 1-5th)
   Next two weeks (Jun 8 - Jun 19)
     - Build the latest (very latest, from the subversion branch.) Pelegant for the farm
     - Wrote scripts for bhawin to allow for running Pelegant with multiple processors and across computing nodes using SLURM.
     - Next, will attempt to rebuild bb3d and do the same for it. (it is currently limited to running multiple processors but only on one node)
     - AI lunch series, AI reading, working on drafting proposals for using streaming AIs in order to process the CEBAF data
     - Bteam, getting ready for restart, discussions with Hall A/C regarding engineered controls for beam excursions




Randi Gamage

   Previous two weeks (May 11 - May 22)
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   Next two weeks (May 25 - Jun 5)
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River Huang

   Previous two weeks (May 28 - Jun 5)
     - Doing the particle tracking (with / without H-kick and V-kick) using CASA Beam-Beam scripts For JLEIC ring and BNL EIC ring.
     - CASA Beam-Beam package
          - Optimizing phase coordinates output of CASA Beam-Beam.
   Next two weeks (Jun 8 - Jun 19)
     - Continue working on EIC project.


Isurumali Neththikumara

   Previous two weeks (May 11 - May 22)
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   Next two weeks (May 25 - Jun 5)
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Dennis Turner

   Previous two weeks (May 11 - May 22)
     - Attended IPAC talks
     - HLA
          - Released new version of eDT in response to feature requests from Ops. 
     - AIPINJ
          - Continue finalizing optics in the elegant model
          - Further explored numerical solutions for QW settings vs Wien settings
          - Presented latest optics at AIPINJ meeting, resulting in a list of 
     - Attended CASA, BTeam, AIPINJ meetings
     - Attended Accelerator Seminars and AI Lunch Series talks
     - Caught up with reading various papers on Wien filters, optics, etc.
   Next two weeks (May 25 - Jun 5)
     - AIPINJ
        - Continue (and hopefully finish) finalizing optics
        - Camille will be requesting a review soon; prepare slides
     - Explore implementing the beta matching using beam jitter from the paper Jay sent around
     - Attend CASA, BTeam, AIPINJ meetings
     - Attend Accelerator Seminars and AI Lunch Series talks
     - Continue with online training opportunities as time permits



He Zhang

   Previous two weeks (Jun 8 - Jun 19)     
     - Repeated previous simulations using the single particle model. Find inconsistency between the single particle model and the Monte Carlo model in BETACOOL. The question is whether to count in the position contribution 
       when calculating the longitudinal emittance. The single particle model counts it in, while the Monte Carlo model not. Put this into slides to Alexei.  
     - Tested the Meshkov formula for magnetized cooling in JSPEC.
   Next two weeks (Jun 22 - Jul 2) 
     - Finish the DS formula for magnetized cooling in JSPEC. Start to work on general IBS.  
     - Continue simulation on IMP experiment. 





Diagnostic Development - Kevin Jordan

Kevin Jordan

  Previous two weeks (May 11 - May 22)
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  Next two weeks (May 25 - Jun 5)
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Joe Gubeli

   Previous two weeks (Jun 8 - Jun 19)
     - Isotope Experiment – Making models and running simulation on a 50kW design. Exploring the idea of removing the beryllium window an using an integrated window/radiator. This can be accomplished by 
       explosion welding the tungsten radiator to a copper tube with the other end of this copper tube explosion welded to a conflate flange.
   Next two weeks (Jun 22 - Jul 3)
     - Isotopes – Continue working on a 50kW design. Creating a model of an integrated window/radiator and running thermal simulations. Talking to vendors about explosion welding.
     - RADBIS – Order hardware needed for this project.
     - RADHAL – Order hardware needed for this project.



Michael Tiefenback

   Previous two weeks (May 11 - May 22)
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   Next two weeks (May 25 - Jun 5)
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CASA Fellows
LERF - Steve Benson

   Previous two weeks (Jun 8 - Jun 19)
     - Developed budgets for two isotope proposals
     - Attended FAST/IOTA workshop remotely
     - Ran Low Energy cooling meetings and wrote up minutes
     - Prepared presentation for Alternative Cooling Task force
   Next two weeks (Jun 22 - Jul 3)
     - Present Alternative concept presentation for Cooling task force
     - Work on Low Energy Cooling appendix.
     - Complete OAM paper and submit
     - Review Yan paper
     - Submit no-cost extension request to DOE
     - Review LERF start-up procedures
     - Get SOW for Linac Development revised
     - Revise AWPs for Electron cooling contract to match new SOWs and resource availability.





Andrew Hutton

   Previous two weeks (May 28 - Jun 5)
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   Next two weeks (Jun 8 - Jun 19)
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