2017-07-07

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Accel. Physics (T. Satogata)

Todd Satogata

   Previous two weeks (Jun 26-Jul 7)
     - ADMIN: S&T Dry Runs (Jun 26, Jul 6), slide updates
     - ADMIN: Finish JINST, PRAB paper reviews
     - OPS: Review ORFP, troubleshooting guide notes
     - JLEIC: Add space charge, other calcs to RampCalculator
     - USPAS: Search committee meeting (Jun 27), prep
     - JACoW: Board of Directors telecon (Jun 29)
     - IPAC18: Start sending out invited oral invitations
     - ADMIN: Summer student advising, lunch talk on cooling (Jun 29)
     - VACATION: July 3
   Next two weeks (July 10-21)
     - IPAC18: Finish sending out invited oral invitations
     - JLEIC: RampCalculator to svn, ANL visit (Jul 11)
     - JLEIC: Booster ramp modeling, parameter documentation
     - USPAS: Search committee travel (Jul 12-13)
     - OPS: Restart BTeam, start prep for StayTreat talk
     - ODU: REU student presentations (Jul 20)
     - OPS: Larry Weinstein Great Course filming (Jul 21)
     - JACOW: Conference advisement (COOL'17)

Alex Bogacz

   Previous two weeks (Jun 26-Jul 7)
     - ADMIN: Prep talk on "Challenges and Opportunities of Energy Recovering Linacs"
     - PERLE: CERN visit (June 19-June 28) coincident with ERL workshop
     - VACATION: Jun 29-July 7
   Next two weeks (July 10-21)
     - VACATION: June 28-July 10, July 17-18
     - USPAS: Travel (Jul 13)
     - PERLE: Followup discussions after ERL workshop

David Douglas

   Previous two weeks (Jun 26-Jul 7)
     - JLEIC: FAST/IOTA study brainstorming
     - OPS: StayTreat presentation development for LERF beam studies
     - JLEIC: ERL/CCR status summary, exchange transport (fighting aberrations)
     - JLEIC: Continue CCR recirculation arc development
     - ADMIN: Start packing up trailer office
   Next two weeks (July 10-21)
     - VACATION: Jul 12-18
     - OPS: Continue StayTreat presentation development
     - PERLE: CSR/uBI, lattice ruminations
     - JLEIC: Continue CCR recirculation arc development
     - JLEIC: Start CCR architecture/doomedness note
     - JLEIC: Continue work on EmEx with accelerating mode cavity (with Slava)
     - ADMIN: Perhaps start ruminations on Springer ERL book
     - ADMIN: Continue packing up trailer office

Rui Li

   Previous two weeks (Jun 26-Jul 7)
     - VACATION: Jun 30, half Jun 29, Jul 3
     - ADMIN: three interviews for the postdoc position in Yves' group
     - JLEIC: detailed calculations of coupled bunch instabilities
   Next two weeks (July 10-21)
     - JLEIC: continue detailed calculations of coupled bunch instabilities
     - JLEIC: Present coupled bunch instability results at R&D meeting
     - JLEIC: SRF HOM discussions re coupled bunch instabilities
     - JLEIC: start investigating electron cloud parameters, effect

Ed Nissen

   Previous two weeks (Jun 26-Jul 7)
     - JLEIC: Finish chromaticity corrections; emittance growth verified to be space charge
     - JLEIC: Continue iterating Booster injection parameters (momentum spread)
     - JLEIC: Start ramping sections of Booster cycle
     - JLEIC: Investigate DESIREE for gear-changing; conclude tune spreads too low
   Next two weeks (July 10-21)
     - JLEIC: Booster lattice to COSY/COMFY for tune footprint
     - JLEIC: Iterating base tunes based on COSY/COMFY results
     - JLEIC: Move on to Booster 6D injection space charge evaluation

Chris Tennant

   Previous two weeks (Jun 26-Jul 7)
     - ADMIN: Wrap-up after ERL17 workshop (Jun 18-Jun 23)
     - PERLE: Checking elegant lattice (translated by Yves)
     - PERLE: initial uBI gain analysis
     - ADMIN: Start packing up office :(
   Next two weeks (July 10-21)
     - JLEIC: Continue electron cooler work (continue pushing 3nC distribution)
     - JLEIC: Test project E merger with electron cooler
     - ADMIN: Continue packing up trailer office
     - VACATION: Jul 17-21

Randy Gamage

   Previous two weeks (Jun 26-Jul 7)
      - JLEIC: Coasting beam instability calculations/simulations
     - Dissertation writing: Continue coasting beam chapter, tech note
   Next two weeks (July 10-21)
     - JLEIC: Continue coasting beam instability calculations/simulations
     - Dissertation writing: Continue coasting beam chapter, tech note

Accelerator R and D (Y. Zhang)
No report.



Computational Physics (Y. Roblin)

Yves Roblin:

  • Last week vacation
  • Before this:
  1. working on PRL referee report (submitted today)
  2. reread articles on gear changing, trying to reproduce Hao Paper with BB3D
  3. modifying BB3D to do gear changing
  4. Interviewed candidates for #11807.


He Zhang:

  • Worked on cooling simulations for DC cooling scenarios where one reuses the b. beam cooler.
  • Conclusion is that one can cool after filling the booster at 8GeV. 30 meters of solenoid, 3A of e- current and about 10 minutes of cooling time.
  1. interview panel for #11807
  2. working on user interface for JSPEC
  3. working with summer student.



Diagnostic Development (K. Jordan)
No report.



LERF (S. Benson)
No report.