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