2019-09-29-LeadershipReports

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September, 2019 Report - Sept 2 - Sept 27 Director - Todd Satogata

Todd Satogata

  Previous two weeks (Sept 2 - Sept 13)
     - Previous two weeks (Sep 2-13)
     - Served as Acting Accelerator Division Director (Sep 2-6)
     - Prepare/deliver CEBAF SAD safety meeting talk
     - Evaluate and provide input on JSA initiatives proposals
     - JLEIC pCDR development, updating figures and assembling work lists
     - JLEIC IBS evaluation meetings
     - Sarah Solomon/Xcelera SBIR work planning
     - Attend and participate in writing workshop, graduate student review
     - ODU PHYS854 teaching (with Geoff Krafft)
     - HOLIDAY: September 2 (Labor Day)
  Next two weeks (Sept 16 - Sept 27)
     - Next two weeks (Sep 16-27)
     - 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 (Aug 19 - Aug 30)
     - ERL’19 paper on the LHeC ERL
     - SS III recruitment cont.
     - Machine support, OOC
     - Tech Transfer invention disclosure evaluation
  Next two weeks (Sept 2 - Sept 13)
     - Handbook article on ERLs
     - ERL’19 talk on the LHeC ER
     - Semi-annual grad. student review 
     - Machine support, OOC



Rui Li

  Previous two weeks (Aug 19 - Aug 30)
     - Impedance studies
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     - JLEIC collective instability studies
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     - CeC project
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  Next two weeks (Sept 2 - Sept 13) 
     - JLEIC collective instability studies
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     - CeC project
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     - JLEIC pCDR100
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          - 



Edy Nissen

   Previous two weeks (Aug 19 - Aug 30)
     - Vacation: Aug 19th and 30th 
     - Worked on the HEB design, altering the pathlength.
   Next two weeks (Sept 2 - Sept 13)
     - I will be working on putting together some initial measurements for the DODGE (DESIREE) experiment to be performed in October. (They can only give me 2 days for the fall
       run, so I'm going to have them set up the parameter space)
     - Going forward, weather permitting, I will work to iron out any issues in the LEB and HEB.



Chris Tennant

   Previous two weeks (Aug 19 - Aug 30)
     - Participate in DOE's "AI for Science" Town Hall at ORNL
     - Spent time preparing a summary talk of Town Hall and presented at ML lunch series
     - Various travel arrangements (ICALEPCS, AI Summit)
     - Training (to be able to create web content on the jlab.org site, GEN101)
     - Met with Onish (DC power) about trim card faults and data available
     - Worked on LHeC CDR update appendix on "ERL Development..." I was asked to write
     - Met with Stephen Webb (Radiosoft)
   Next two weeks (Sept 2 - Sept 13)
     - Labor Day and a long weekend!
     - Help Gunn Tae with CCR simulations




Accelerator R & D - Yuhong Zhang

Yuhong Zhang

  Previous two weeks ()
     - 
  Next two weeks ()
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Max Bruker

  Previous two weeks (Aug 19 - Aug 30)
     - pCDR contributions
     -	Contributions to cooling section in NaPAC paper
     -	Initial design ideas for HV DC cooler
  Next two weeks (Sept 2 - Sept 13)
     - More pCDR-related work
     -	Further explore beam parameters and design choices of the HV DC cooler


Fanglei Lin

  Previous two weeks (Aug 19 - Aug 30)
       - Worked on the storage ring cooler project
       - Prepared tutorial material for ZGOUBI workshorp
       - Attended the ZGOUBI workshop
  Next two weeks (Sept 2 - Sept 13)
       - Work on the storage ring cooler project
       - Work on updating the interaction region design
       - Work on spin tracking using BMAD and ZGOUBI



Bhawin Dhital

   Previous two weeks (Aug 19 - Aug 30)
     - I was working on "Longitunial Stability in Two Energy Storage Ring." That was all about using the third harmonic cavity to cancel the momentum offset introduced by the
       RF cavities.
     - Working on paper preparation for NAPAC2019.
     - Working on poster preparation for NAPAC2019.
     - Spoke with MCC experts in Jefferson Lab about computers and simulation. I have to run the simulation to calculate the damped emittance soon.
   Next two weeks (Sept 2 - Sept 13)
     - Participating NAPAC2019 at Michigan Lansing for a week ( Aug 31 - Sept 06) A very limited number of people came to my poster. But those who came to know about Two Energy
       Ring, they were really impressed by this idea. One scientist from APS, ANL mentioned that he should work on this project.
     - Working on Longitudinal dynamics in Two Energy Storage Ring.



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 ()
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   Next two weeks ()
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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 ()
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   Next two weeks ()
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He Zhang

   Previous two weeks (Aug 19 - Aug 30)     
     - Beam-beam effect - After inserting our symplectic tracking code into beambeam3d, the codes compiled successfully. However, me met some memory fault when running the 
       code. I tried to solve this issue and did fixed a few small bugs, such as a overflow of integer for factorial calculation, but the bug is still there. This work was put
       onhold since NAPAC posters/papers are due. Will continue in the next week.  
     - IBS calculation - We are benchmark our IBS rate calculation with others. After a few iterations, I think when we use the same formula and the same parameters, our
       results agree with BNL’s result. Meanwhile,  we noticed that even if the beam parameters are very close, our IBS time is about four times longer than eRHIC’s. But why?
       We suspect it is the lattice that leads to this difference. Next week we will investigate it. 
     - NAPAC - Prepared slides for a talk in SERIPO workshop. (Yuhong will present.) Prepared two posters. Writing two papers but haven’t finished them. 
   Next two weeks (Sept 2 - Sept 13)
     - Finish NAPAC papers. 
     - IBS analysis.
     - Start working on JSPEC benchmarking with Lanzhou experimental data.
     - Finish BB3D debugging. 




Diagnostic Development - Kevin Jordan

Kevin Jordan

   Previous two weeks ()
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   Next two weeks ()
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Joe Gubeli

   Previous two weeks (Aug 19 - Aug 30)
     - HPWS: New motor controller for the High Power Wire Scanner arrived. After some change in the wiring I was able to run some initial test. The new controller seems to run
       a little better than the older one but the parameters are not yet optimized. Had a telecom with our collaborators, Radiabeam, were we both tried to tune the parameters.
       After a little progress we decided that we need to get Aerotech involved.
     - Isotope: Little to no work on Isotope production
     - FAST: Received the slit plate and had it UHV cleaned. Had a trip scheduled but the folks at Fermilab realized at the last minute that they had a scheduling conflict with
       the cleanroom. The trip has been delayed to the end of September at the earliest.
     - IBIC: The paper and poster are completed. Waiting on local review/approval to submit the paper.
   Next two weeks (Sept 2 - Sept 13)
     - Short week with Monday being a holiday and Friday a travel day to IBIC. Will work some on preparing the Isotope crucible with gallium test shipment. The idea is to keep
       the gallium from freezing during transport. We will try using hand warms packed in the shipping container. It is the start of the month so I will be doing the monthly
       safety walkthrough as Safety Warden. The following week is the IBIC conference.



Michael Tiefenback

   Previous two weeks ()
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   Next two weeks ()
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CASA Fellows
LERF - Steve Benson

   Previous two weeks (Aug 19 - Aug 30)
     - Worked on addressing questions for Pre-CDR
     - Started putting together talks for ERL 2019
     - Hosted talks for Steve Jamison and Stephen Webb
     - Tried to get gallium shipment to VCU but rant into technical difficulties
     - Reviewed GTS gun paper
     - Worked with TJS Technologies on LOI for ERL merger deflector cavity.
     - Worked with Joe Grames to come up with required upgrades for LERF injector.
     - Reviewed sensitive information with Brian Hanlon.
   Next two weeks (Sept 2 - Sept 13)
     - Submit proposal for change of SOW for the Cooling FOA for IMP work
     - Explore the possibility of changing the venue for the no-deflection merger test
     - Completed talks for ERL 2019
     - Finalize documentation for isotope ERR




Andrew Hutton

   Previous two weeks (Aug 19 - Aug 30)
     - Finished up editing the PreCDR-100, but I am sure it will be coming back at me!  
     - On Friday, I met with Camille to give her some “insider” information on her new position.  
     - More interestingly, I had a telephone conference with Doug Wells, our isotope collaborator, presently at New Mexico Tech.  He has a follow-on patent being prepared on a
       new technique for producing radio-isotopes, which he would like us to demonstrate.  His office sent us a non-disclosure agreement, but I have not heard back from Rhonda
       Scales if this is acceptable to JLab, so I don’t have the details.  I suggested that he passed the basic concept by Ethan Balkin to find out whether this would be
       something that the DOE-ONP would support (financially, of course).  I looked at the previous patent and it is really interesting, but it is a new way of producing isotopes
       that are already being produced by industry, so I am not sure that the DOE Isotope program will want to fund it (although they should).  I will keep you informed.  
     - I have also been preparing an introduction to the Isotope Program for the as-yet-unscheduled ERR.  I am certain that they will need an introduction, but I don’t have a
       handle on the rest yet.  We are having some difficulty with the isotope target approval, it needs a pressure vessel review which is going slow.  But we will work through
       that. This afternoon, we are meeting to discuss the details of a transfer of unirradiated gallium to VCU via FedEx; lots of details to work through, e.g. does it stay
       liquid? If not, will it freeze and burst the crucible, etc?   More fun than all of the bureaucratic hurdles we have to jump over.  
     - I have been emailing back and forth collecting information on future NP projects world-wide for the AMICI conference mid-September. This will move to high priority in the
       next two weeks.  I should probably give the talk at a CASA meeting when I get back.    
   Next two weeks (Sept 2 - Sept 13)
     - Vacation: 6 days
     -