2017-03-17
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Director - M. Spata
No report
Accelerator Physics - T. Satogata
Todd Satogata
Previous two weeks (Mar 6-Mar 17)
- OPS: BTeam org, beam studies planning, Hall C KPP support
- ODU: Review PhD theses for Kirsten Deitrick, Ahmad Sheikhzadah
- JLEIC: Continue work/meetings on ion bunch formation strategy
- JLEIC: Start writing ramp calculator code to evaluate/plot synchrotron ramps
- JLEIC: Collective effects, spreadsheet planning and nagging; R&D meet
- JLEIC: Finish impedance theory work, start longitudinal simulations
- JLEIC: Evaluate evol beam-beam code, present at biweekly simulation meet
- IPAC18: Start organizing ideas for invited talk proposals (SPC task)
- ADMIN: Eric Thompson meetings, research input
- ADMIN: Prepping for Elon documentary student visit Mar 20-22
- JACOW: COOL'15 proceedings published on JACoW website Mar 9
Next two weeks (Mar 20-Mar 31)
- ADMIN: Elon documentary student visit Mar 20-22
- ODU: PhD defenses for Kirsten Deitrick (Mar 21), Ahmad Sheikhzadah (Mar 28)
- IPAC18: Organize/submit ideas for invited talk proposals (deadline Mar 31)
- IPAC18: Review/clean up invited talk proposals for committee evaluation
- JLEIC: Develop/document ion bunch formation strategy
- JLEIC: Collective effects, spreadsheet planning and nagging; R&D meet
- JLEIC: Start 4/3 gear changing simulations for GHOST paper, evol beam-beam sims
- JLEIC: Prep talks for Apr 3-5 collaboration meeting
- ADMIN: Eric Thompson meetings, research input
Alex Bogacz
Previous two weeks (Mar 6-Mar 17)
- PRL article review
- PERLE: Iterate mini-PERLE design with longer magnets (per CERN)
- JLEIC: Booster input to Todd re injection/parameters
- ADMIN: Invention dicsclosures review, TRC meeting
Next two weeks (Mar 20-Mar 31)
- PERLE: Optics optimization with longer magnets, larger footprint
- USPAS: Practical lattice design course development
- ADMIN: SPC meetings (ERL'17, NuFact'17)
- JLEIC: Incidental design meetings
David Douglas
Previous two weeks (Mar 6-Mar 17)
- Finished write-up of transverse/longitudinal EmEx (JLAB-TN-17-008)
- Reviewed numerous proposals as part of US/Japan Panel Review
(Gaithersburg, 3/6)
- Provided input to Shawn Frierson on LERF operational procedures
- Did markup on forthcoming JLAB-TN on ERL-based single-pass
cooler (Tennant, Douglas, Benson, & Hannon)
- Did markup on Project E journal article in preparation
(Akkermanns, Setija, (ASML), Di Mitri (FERMI@Elletra), &
Douglas)
- Cooked up a way to double CEBAF momentum acceptance; draft TN
attached (waiting on co-author review before releasing)
- Laid out/evaluated solution for CCR/ERL beam exchange system
(1st iterate 75% complete; still have to do ERL-to-exchange
transport match)
Next two weeks (Mar 20-Mar 31)
- Complete beam exchange and write up
- Write up ERL/CCR architecture requirements/trades
- Write up "Life Hacks" for magnetized beam
- Complete and write up requirements document for CCR arcs
- Start work on CCR design
Rui Li
Previous two weeks (Mar 6-Mar 17)
- JLEIC: Continue estimation of single-bunch instability effects
- JLEIC: Start estimation of coupled-bunch instability effects based
on collected parameters
- ADMIN: Continue reading, commenting on Cheng-Ying's dissertation
- ADMIN: Prep for Mar 20-21 travel to Va Tech for Chang-Ying's defense
Next two weeks (Mar 20-Mar 31)
- ADMIN: PhD Defense for Cheng-Ying (Mon-Tue at Virginia Tech)
- JLEIC: Prepare slides and present status on instability estimates
for R&D meeting
- JLEIC: Update impedance parameters/estimations from engineering input
- JLEIC: Prep talk for Apr 3-5 collaboration meeting
Ed Nissen
Previous two weeks (Mar 6-Mar 17)
- JLEIC: Collider, Guinea pig beam-beam simulations for cross-code comparison
- JLEIC: Booster, Work on trying to get injection simulation working in
Synergia
- JLEIC: Booster, Start running space charge simulations using new
parameter set from Todd; shift to sims at midpoint and extraction
to make progress
Next two weeks (Mar 20-Mar 31)
- JLEIC: Continue space charge simulations with new parameter set,
continuing middle and high energy and fixing injection parameter sets
- JLEIC: Start documenting beam-beam and space charge simulation work
Chris Tennant
Previous two weeks (Mar 6-Mar 17)
- JLEIC Cooler: S2E analysis complete for single-pass ERL cooler
- Organize and write tech note of results thus far (JLAB-TN-17-009)
Next two weeks (Mar 20-Mar 31)
- JLEIC Cooler: Translate Dave Douglas's emittance exchange to elegant and
begin pushing particles
- JLEIC Cooler: Start circulator cooler ring (CCR) simulation
efforts (details to be determined in next meeting)
- ADMIN: Begin ERL17 outline / organize thoughts
Randy Gamage
Previous two weeks (Mar 6-Mar 17)
- JLEIC: Continue BLonD simulations of debunch/rebunch with impedance
- JLEIC: Continue Longitudinal impedance reading, calculations
- JLEIC: Continue writing outlines of initial dissertation chapters
Next two weeks (Mar 20-Mar 31)
- JLEIC: Continue writing outlines of initial dissertation chapters,
impedance calculations and theory
- JLEIC: Figure out BLonD simulation bug (non-periodicity) and
simulate coasting beam uwave instability, compare to theory
Accelerator R and D - Y. Zhang
Computational Physics - Y. Roblin
Diagnostic Development - K. Jordan