2019-04-15-LeadershipReports

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April 15, 2019 Report - April 15 - May 10

Director - Todd Satogata

  Previous two weeks (Apr 15 - Apr 26)
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  Next two weeks (Apr 29 - May 10)
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Alex Bogacz

  Previous two weeks (Apr 15 - Apr 26)
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  Next two weeks (Apr 29 - May 10)
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Rui Li

  Previous two weeks (Apr 15 - Apr 26)
     - Going over diffraction model of impedance theory and prepare slides for the JLEIC impedance meeting
     - Remotely participate ALS-U impedance meeting and held interesting discussions on CST simulations
     - Held monthly JLEIC impedance meeting 
     - Present overview of diffraction model of broadband impedance
     - Introduce to the team about ALS-U collaboration
     - Review some of the studies on CSR effects 
  Next two weeks (Apr 29 - May 10)
     - Scheduling the next impedance meeting and update JLAB impedance wiki 
     - Further assisting the JLAB impedance team participation of the ALS-U impedance collaboration meeting, 
       by asking ALS-U team to change meeting time so other JLAB members can participate
     - Literature studies on impedances
     - Calculate Resistive wall impedance in JLEIC rings
     - Review some of the studies on CSR effects 


Ed Nissen

  Previous two weeks (Apr 15 - Apr 26)
     - Working on my Early Career Award which I submitted on Monday April 29.
  Next two weeks (Apr 29 - May 10)
     - Working on my papers and posters for IPAC

Chris Tennant

  Previous two weeks (Apr 15 - Apr 26)
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  Next two weeks (Apr 29 - May 10)
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Accelerator R & D - Yuhong Zhang

Fanglei Lin

  Previous two weeks (Apr 15 - Apr 26)
     - Took one-week maternity leave
     - Updating the electron collider ring section in the pCDR-100 
     - Working on the storage ring cooler project
  Next two weeks (Apr 29 - May 10)
     - Update the pCDR-100
     - Work on the spin transparence simulation for ions and spin matching for electrons
     - Work on the storage ring cooler project



Vasiliy Morozov

  Previous two weeks (Apr 15 - Apr 26)
     - Preparation of the DoE quarterly reports: they were submitted on April 26
     - Polarization studies: calculation of RHIC's spin response function, preparation of IPAC'18 paper
     - Two-energy storage ring cooler: study of stability of the longitudinal dynamics
  Next two weeks (Apr 29 - May 10)
     - Preparation of IPAC'18 papers
     - Pre-CDR update


Amy Sy

  Previous two weeks (Apr 15 - Apr 26)
     - Participated in commissioning of laser-driven polarized proton source at FZ Juelich. 
       Testing Lamb-shift polarimeter with unpolarized pulsed proton beam.
     - Finalized early career proposal - to be submitted today.
     - Conversion of linac lattice from TRACK to PyORBIT. Added solenoid element in PyORBIT linac tools
       (solenoid previously only existed in ring lattice tools).
     - Discussion on data from December 2018 IMP bunched beam cooling experiment.
  Next two weeks (Apr 29 - May 10)
     - Longitudinal Schottky signal analysis of remaining data from December 2018 IMP bunched beam cooling experiment.
     - Continued work on conversion of light ion linac lattice from TRACK to PyORBIT.



Yuhong Zhang

  Previous two weeks (Apr 15 - Apr 26)
     - Estimated JLEIC luminosity up to 140 GeV CM
     - Prepared FOA quarterly report
     - Read and commented JLEIC document
     - Hosted Lijun Mao's visit and worked on cooling experiment
     - Worked on IPAC posters          
  Next two weeks (Apr 29 - May 10)
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Computational Physics - Yves Roblin
Yves Roblin

   CEBAF
     - Ran BTEAM, prepare for the summer run. Initial algorithm development for speeding up CED update in order to adapt
       optics to the gradient profile of the linac prior to starting ORFP.
    JLEIC:   
     - Wrote and send report to DOE for the 2nd quarter of the FY18 FOA.
     - Writing tech note on the implementation of IR multipole kicks in BB3D.
     - Gave a presentation on the status of the beam-beam for the new pCDR100 optics 
   OTHER
     - Attended the ML seminar 
     - Starting to work on the use of deep learning networks for CEBAF (matching with sync light )
   Next two weeks (Apr 29 - May 10)
     - Fiish tech note on the IR multipole kicks implementation
     - Start comparing elegant+bbeam (River's code) with bb3d an IR kicks
     - Work on a model for a landau cavity (its 3rd quarter of FOA)
     - Work on optics for the summer run (CEBAF)



He Zhang

   Previous two weeks (Apr 15 - Apr 26)
     - MAD-X 5d Map tracking
     - JSPEC development
   Next two weeks (Apr 29 - May 10)
     - Update the manual for the luminosity module. 
     - Dispersive cooling (New friction force  formulas and benchmark with theory).


River Huang

   Previous two weeks (Apr 15 - Apr 26)
     - “CASA Beam-Beam” Updated the calculation code based on the optimized formula of the spin response function. 
     - Studying of the zero-integer spin resonance strength. From 23.0GeV, 23.1GeV, 23,2GeV, …, till to 320GeV, the
       performance of the zero-integer spin resonance strength has been implemented by the updated CASA Beam-Beam code.
       The numerical result was analyzed in our team will be demonstrated on IPAC19 pear review paper.
     - Crab kicking combined with Elegant - We are still simulating and studying the Crab Kicking and Beam-Beam via CASA 
       beam-Beam, BeamBeam3D and Elegant. The benchmark will be demonstrated in IPAC19 poster and the paper. 
   Next two weeks (Apr 29 - May 10)
     - Prepare the poster for IPAC19.
     - Spin tracking.



Diagnostic Development - Kevin Jordan

   Previous two weeks (Apr 15 - Apr 26)
     - Had power installed for high efficiency magnetron project; the first of two will arrive in 
       a couple weeks. The 480 VAC was tied in to where the Dark light solenoid PS was located. The
       work will be done in the LERF lab 1.
     - Prepared & installed BNNT flag at 7A08, also had discussions on nomenclature & CED - the name 
       of a viewer is based on flag material; OTR/YAG or ’normal’ (Chromox)
     - Worked with Joe on Isotope shielding
     - Finished CRADA for Halo monitor SBIR
     - Preparing for LCLS-II cryomodule swap
   Next two weeks (Apr 29 - May 10)
     - Attend the Canadian Light Source MAC meeting
     - Continue with the prep for the magnetron transmitter
     - Mount the Tungsten radiator on water cooled copper for Isotope project


Joe Gubeli

   Previous two weeks (Apr 15 - Apr 26)
     - ARC 7 SLM installation and alignment. The install went extremely well and S&A in nearly done with aligning.
     - Finished the design of the Isotope shielding – a much simpler and cheaper design See picture below.
     - Have a tentative plan to wire up the HPWS
   Next two weeks (Apr 29 - May 10)
     - Finish the Isotope Shielding presentation
     - Help with the wiring, testing and reconfiguration (changing of input direction) of the HPWS
     - Prepare LDRDS for FAST if we get installation approval


Michael Tiefenback

   Previous two weeks (Apr 15 - Apr 26)
     - Specify quadrupole configuration for Hall B for summer run (HPS beam spots ~ 30 microns)
     - Specify depth of field limiting slit widths for Arc 7 SLM
     - Specify dual-magnet steering modulation for real-time rayTrace (in progress; appears promising)
     - Planning for overall diagnostic system integration, including periodic calibration requirements
   Next two weeks (Apr 29 - May 10)
     - Model SyncLightMonitor matching process for arcs
     - Review field map updates for Moller quads requested by Benesch
     - Continue on 4) above (diagnostic system integration)



LERF - Steve Benson

   Previous two weeks (Apr 15 - Apr 26)
     - Completed and submitted the quarterly report for the FOA Cooling project.
     - Complete the budget for the Isotope project quarterly.
     - Reviewed the Conduct of Operations procedures for the UITF.
     - Hosted and wrote up minutes for Status meeting for the FOA cooling project.
     - Set up Bruno Muratori seminar.
     - Derived specifications for a Coherent Electron Cooling ERL and discussed with C. Tennant.  
     - Discussed possible Virginia Commonwealth funded JLEIC technology development plan with ODU and Jlab personnel. 
     - Reviewed Large Dynamic Range Diagnostic status with J. Gubeli to determine completion steps before shipping to
       Fermilab.
     - Discussed possible installation of the WiFEL gun at Jefferson Lab.
  Next two weeks (Apr 29 - May 10)
     - Prepare for and attend the "Basic Research Needs Workshop on Compact Accelerators for Security and Medicine”
     - Submit new text for LOD and safety envelope for LERF.
     - Summarize the ERLs for EIC workshop.
     - Host Bruno Muratori for Accelerator Seminar Host and write up minutes for Status meeting for the FOA cooling project.