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Oct 2019 Report - Oct 14 - Nov 8 Director - Todd Satogata

Todd Satogata

  Previous two weeks (Oct 14 - Oct 25)
     - ADMIN 12 GeV PRAB paper planning
     - ADMIN JLAAC review (Oct 22-24)
     - ADMIN FY20 AWP planning
     - ADMIN Xelera SBIR support planning
     - JLEIC/ER@CEBAF JLAAC dry runs and planning
     - JLEIC FOA quarterly report planning
     - ODU PHYS854 teaching (with Geoff Krafft)
     - OPS Walk Hall D line, run readiness evaluation
     - OPS Pre-brief half-day operator meeting (Oct 21)
     - VACATION Oct 14, half-day Oct 25
  Next two weeks (Oct 28 - Nov 8)
     - ADMIN 12 GeV PRAB paper planning
     - ADMIN FY20 AWP planning
     - ADMIN Review PRAB paper
     - ADMIN Recommendation letters (Deepsana Shahi, Mike Lafky)
     - ER@CEBAF post-JLAAC planning for summer 2020 chicane install
     - JACOW Team Meeting travel preparation
     - IPAC'20 SPC/3 Meeting travel preparation
     - ODU PHYS854 teaching (with Geoff Krafft)

Alex Bogacz

  Previous two weeks (Sept 30 - Oct 11) 
     - Writing ERL’19 paper
     - Writing a CDR chapter on the LHeC ERL design
     - Preparing talks on 50 GeV ERL and PERLE for the LHeC/PERLE workshop at CERN
  Next two weeks (Oct 14 - Oct 25)
     - Finishing a CDR chapter on the LHeC ERL design
     -	PRAB paper review
     -	Attending nuSTORM mtg at CERN
     -	Attending Workshop on the LHeC, FCC-eh and PERLE, Chevennes de Bogis

Rui Li

  Previous two weeks (Sept 30 - Oct 11)
     - Prepare presentation on "Collective Effects in JLEIC" for the EIC collaboration meeting at ANL
     - Participate in the EIC Hadron Cooling Workshop in Fermilab (10/7-8) and the EIC Collaboration Meeting (10/9-11)
     - Presented my talk at the EIC collaboration meeting, and had multiple discussions with colleagues at the meetings 
  Next two weeks (Oct 14 - Oct 25) 
     - Schedule and organize the next JLEIC Impedance Meeting
     - Work on microwave instability simulation in the e-ring of JLEIC
     - Write up technote on spectra for uneven bunch fill, which will play a role in the coupled bunch instability growth rate analysis.

Edy Nissen

   Previous two weeks (Oct 14 - Oct 25)
     - Did some work with the LEB, trying to see if I can get more space in the lattice
     - Mostly coordinated with the people at DESIREE for the measurements they made for me on October 21, and 22.
     - Analyzed the data they sent me and worked to finalize the proposal for beam time which is due the 31st.
   Next two weeks (Oct 14 - Oct 25)
     - I will submit the proposal
     - Determine priorities for my work in the next two weeks.

Chris Tennant

   Previous two weeks (Oct 14 - Oct 25)
     - Accelerator Advisory Committee meeting (slide preparation/dry-run/talk)
     - Employee self-evaluations
     - Wrote draft of ML section for CEBAF PRAB paper
     - Preparing slides for Accelerator Seminar (11/14)
     - Participated in initial telecon about using ML for magnetized beams (with ANL, SLAC)
     - Start outline, initial sections for draft of SRF classifier paper (to be submitted for peer-review later in the year)
   Next two weeks (Oct 28 Nov 8)
     - Finish Accelerator Seminar talk
     - Continue work on SRF classifier paper
     - CeC effort starting up in earnest again (?)
     - JLEIC cooler effort ramping up again

Accelerator R & D - Yuhong Zhang

Yuhong Zhang

  Previous two weeks (Sept 30 - Oct 11)
     - Worked on IBS
     - Studied 10^35 JLEIC
     - Work on DC cooler
     - Wrote slides for two talks in the EIC collaboration meeting 5. Attended EIC Hadron Cooling Workshop and EIC Collaboration 
  Next two weeks (Oct 14 - Oct 25)
     - Write slides for JLAAC review 
     - FOA quarterly report    
     - JLEIC R&S (IBS/cooling, DC cooler, IMP paper. etc)

Max Bruker

  Previous (Sept 30 - Oct 11)
     -	Prepared presentation for cooling workshop
     - Finished Jspec simulations with current Heb lattice at different energies to evaluate cooling energy tradeoff
     - Attended cooling workshop and collaboration meeting
  Next (Oct 14 - Oct 25)
     -	Find reason for alleged discrepancy between Jspec and theory / Fermilab cooler experience
     - Revisit weakly magnetized cooler

Fanglei Lin

  Previous two weeks (Oct 14 - Oct 25)
       - Worked on the storage ring cooler project, and provided a quarterly report
       - Revisiting electron top-off injection scheme for JLEIC
       - Miscellaneous: attended JLEIC R&D meeting, discussed introducing computation of DK depolarization rate using Zgoubi
         with Radiasoft collages, attended JLEIC general meeting, finished employee appraisal. 
  Next two weeks (Oct 28 - Nov 8)
       - Work on updating the interaction region design
       - Work on the storage ring cooler project

Bhawin Dhital

   Previous two weeks (Sept 30 - Oct 11)
     - PWorking on longitudinal dynamics and stability in two energy storage ring cooler.
     - Working on simulation to get the longer bunch length in the cooling section.
     - Introducing harmonic cavity and bunching cavity in two energy ring to get the longer bunch length in the cooling section. Bunching cavity provides the focusing.
     - Results shows that we should go with shorter bunch length ~ 1 cm.
   Next two weeks (Oct 14 - Oct 25)
     - Will be working on longitudinal dynamics and stability in two energy storage ring
     - Making clear presentation based on calculation and simulations for future plan.
     - Meeting with Dr Krafft for more discussion.
     - Should go with chirping and de-chirping along with other scheme in two energy ring.
     - Working with new lattice for two energy storage ring.(Dr Fanglei Lin has designed the new lattice).

Vasiliy Morozov

   Previous two weeks (Sept 30 - Oct 11)
     - Optimization of the IBS rate in the ion collider ring -IR design: modeling of the detector region in GEMC and GEANT4 -Preparation for and attendance of the EIC
       collaboration meeting     
   Next two weeks (Oct 14 - Oct 25)
     - Attending APS DNP meeting
     - Preparation for JLAAC meeting
     - Preparation for EINN meeting

Amy Sy

   Previous two weeks (Sept 25 - Oct 11)
     - Some preliminary work preparing for LBNF/DUNE review, including review of prior report and teleconference with Beamline L2 manager.
     - Continued work on heavy ion stripping chicane design in MADX and TRACK. Testing stripping module in TRACK and resultant transport through the nominal ion linac. Working on
       an insertion to ion linac as laid out in chicane schematic in preCDR. Current ion linac design has stripping location before quad triplet - looking at optics at this
       position, modifications for Pb30+ versus stripped Pb67+, and other parameters as part of the chicane design.
     - Remote attendance of EIC Accelerator Collaboration Meeting.
   Next two weeks (Oct 14 - Oct 25)
     - DOE pre-review teleconference for planning for LBNF/DUNE review.
     - Continued work on linac optimization for reduced transverse emittance.
     - Continued work on heavy ion stripping chicane design in TRACK and PyORBIT.
     - Continued work on TRACK vs PyORBIT comparison for linac simulations.

Computational Physics - Yves Roblin
Yves Roblin

   Previous two weeks (Oct 14 - Oct 25)
     - CEBAF:
          - RAR reports 
          - Bteam preparation/meetings
          - AI meetings 
          - Optics for upcoming run
          - RF Pit meeting
          - Walking the beam line BSY/HALLA to reconcile with CED
          - Group meeting
     - JLEIC:
          - Beam-Beam meetings with Isurumali
          - Preparing for PI meeting
          - 4th quarter report prep for FOA        
     - OTHER
          - AWP preparations
          - Evaluations
          - SLLP meetings/prepare for presentation in november
   Next two weeks (Oct 28 - Nov 8)
     - Complete evaluations
     - Prepare optics for startup CEBAF
     - AI workshop local organizing committee meetings

Randi Gamage

   Previous two weeks (Sept 30 - Oct 11)
     - Multipole correction optimization
     - Re-tune ion collider lattice to fix dispersion at IP
     - EIC hadron cooling workshop(at Fermilab) and EIC collaboration meeting(at Argonne lab) 
   Next two weeks (Oct 14 - Oct 25)
     - Continue to optimize the orbit correction
     - Continue multipole correction and DA studies (New ion quad data from GianLuca at LBNL)
     - Add optics correction

River Huang

   Previous two weeks (Oct 14 - Oct 25)
     - Transparent Spin Mode using Zgoubi - OPERA field maps with snakes’ parallel (the snake currents were varied using a
       fitting procedure to adjust the snake axis to 0°) has been put into RHIC’s lattice. After precisely adjusting the total
       bending angle of all of the dipole magnets to sum up to 2π, we tried to realize the spin transparent in a simulation
       for the RHIC’s configuration: all of the spin components are constant from turn to turn with a good numerical
       precision. After precisely adjusting, the spin resonance-strength was much smaller than before. Again, we also
       introduced random transverse quadrupole misalignments Δ𝑦 and dipole roll Δ𝜑 with rms magnitudes that provide 0.2 mm
       vertical closed orbit distortion ac-cording to a statistical model prediction. Averaging over all seeds gives a rms
       vertical closed orbit excursion of about 0.18~mm.
     - CASA Beam-Beam package - We are working on coding to convert the symbolic expressions to python to solve nonlinear
   Next two weeks (Oct 28 - Nov 8)
      - Continue working on EIC project

Isurumali Neththikumara

   Previous two weeks ()
   Next two weeks ()

Dennis Turner

   Previous two weeks (Sept 30 - Oct 11)
     - 12GeV PRAB paper - Submitted two sections to SharePoint; started work on a third.
     - Received new computer and set it up with elegant, MacPorts, etc.
     - Attended AI lunch meetings
     - Continued work on Multiwire
           - While working on MultiWire, saw opportunity for improvement to qsUtility and chased that squirrel. 
     - Emailed Janet to fix my timesheet so that it no longer thinks I'm on the Ops shift schedule.
     - Completed the new Laser Safety Training.
     - Attended BTeam meeting
           - Generated qsUtility measurement and matching templates for IHA0L03.
     - Attended Injector Upgrade Meeting
           - Met with Joe Grames to walk the Injector beamline and discuss the upgrade plan.
           - Touched base with Alicia to talk about GPT modeling, etc.
     - Helped the new operator get started with CSUE and software development so he can perhaps take over some of my software tools that are not related to CASA.
     - Sick day 10/7
   Next two weeks (Oct 14 - Oct 25)
     - Continue work on assigned sections of the 12GeV PRAB paper.
     - Get more familiar with the upgraded Injector beamline, get started with elegant deck, etc.
     - Finish MultiWire
           - Create templates for all the Hall lines and Injector.
           - Write ATLis for testing.
           - Write documentation.
     - Finish QTSnyder upgrade and write ATLis for testing
     - Make sure qsUtility works with Injector solenoids once and for all.
     - Resurrect work on rayTrace.
     - Attend BTeam, 12GeV paper, Injector Upgrade, and AI lunch meetings. 

He Zhang

   Previous two weeks (Oct 14 - Oct 28)     
     - JSPEC - Updated the TWISS parameter loading function to improve the flexibility. Now the data column MUX and MUY are
       not required since they are not used in IBS calculation. TWISS parameter tables missing DY nad DPY are acceptable since
       in many cases the ring does not have vertical dispersion. I’m also adding the function of calculation and output the
       IBS contribution elememt by element to the UI. The other relatively large change in progress is revising the cooling
       rate calculation and the particle model, so that the average cooling rate for varying electron bunch can be used in the
       particle model.   
     - Beam beam effect - Help Yun Luo to set up and test the simulations using BB3D with high order map tracking or
       symplectic tracking. Find and fixed a bug in the TPSA lib which happens when all the elements are zero in a DA vector
       and caused an error in symplectic tracking using the 2nd kind of generating function.  
   Next two weeks (Oct 28 - Nov 8) 
     - Start working on JSPEC benchmarking with Lanzhou experimental data.
     - Finish a few changes of JSPEC

Diagnostic Development - Kevin Jordan

Kevin Jordan

   Previous two weeks (Sept 30 - Oct 11)
   Next two weeks (Oct 14 - Oct 25)

Joe Gubeli

   Previous two weeks (Sept 30 - Oct 11)
     - Isotope Experiment – Uploaded 1F, 2F and 1X region drawings for beamline components to Document Control. Uploaded the shielding mechanical presentation to Document Control
       as well.
     - ITV7A09 – Received parts, assembled, aligned, documented and installed new imaging system for the 7A09 Viewer. 
   Next two weeks (Oct 14 - Oct 25)
     - Isotope Experiment – Work on completing the shielding and instrumentation for the experiment. Address items that comes out of the review
     - Halo monitor – Finish aligning the camera/fiber optics and install it on LDRDS

Michael Tiefenback

   Previous two weeks ()
   Next two weeks ()

CASA Fellows
LERF - Steve Benson

   Previous two weeks (Sept 30 - Oct 11)
     - Previous (Sept. 30-Oct. 11)
     - Analyzed R&D needs for EIC for W. Wittmer
     - Analyzed damping wiggler needs for the JLEIC electron storage ring
     - Prepared two talks for Hadron Cooling workshop
     - Attended Hadron Cooling workshop, gave two talks, chaired one session, and helped write up working group summary.
     - Attended EIC Collaboration meeting.
     - Had discussions with P. Piot about using AWA to do RF merge study
     - Set up seminar for Uttar Pudasaini.
   Next two weeks (Oct 14 - Oct 25)
     - Submit proposal for change of SOW for the Cooling FOA for IMP workAttend Hadron Cooling Workshop
     - Certify User Lab 4 in the LERF
     - Prepare quarterly report for Strong Cooling FOA project
     - Prepare budget for isotope project quarterly and assist PI in submitting the report.
     - Submit papers for ERL workshop

Andrew Hutton

   Previous two weeks (Sept 30 - Oct 11)
     - I spent most of my time organizing a response to the Isotope ERR. In addition;, I prepared my talk for AMICI and helped Yuhong with his talk on IBS.    
   Next two weeks (Oct 14 - Oct 25)
     - Attended the AMICI meeting in Saclay and gave my closing report from the Industrial Advisory Board, of which I am the Chairman.  
     - Now I am on vacation until the middle of next week.  I will be at the LHeC/PERLE at the end of next week.