Agenda
Tuesday
| Start Time | Session Topic | Presentation | Presenter | Affiliation |
| 09:00 am | Overview | Workshop Introduction | Mark Hogan | SLAC |
| 09:15 am | Overview | FACET-II Project Update | Vitaly Yakimenko | SLAC |
| 09:45 am | Overview | FACET-II Capabilities: e-, e+, two-bunches, sailboat: extreme peak current, non-neutral fireballs etc | Glen White | SLAC |
| 10:30 am | Coffee Break | |||
| 11:00 am | Overview | High Level Summary of Anticipated Experimental Program @ FACET-II | Mark Hogan | SLAC |
| 11:30 am | Emittance preservation & pump depletion | Energy doubling with emittance preservation and pump depletion | Chan Joshi | UCLA |
| 12:15 pm | Lunch | |||
| 01:15 pm | Emittance preservation & pump depletion | Plasma sources with density ramps (Li oven + apertured controlled gas pressure) | Ken Marsh | UCLA |
| 01:45 pm | Emittance preservation & pump depletion | Differential pumping: IP integration & performance | Christine Clarke | SLAC |
| 02:15 pm | Emittance preservation & pump depletion | Plasma source with optically generated density ramps | Mike Litos | UC Boulder |
| 02:45 pm | Emittance preservation & pump depletion | Emittance measurements: Butterfly technique and implications for spectrometer | Brendan O'Shea | SLAC |
| 03:15 pm | Coffee Break | |||
| 03:30 pm | Emittance preservation & pump depletion | FACET-II diagnostics overview | Nate Lipkovitz | SLAC |
| 04:00 pm | Emittance preservation & pump depletion | Novel diagnostics and beam phase space recovery | Claudio Emma | SLAC |
| 04:30 pm | Emittance preservation & pump depletion | Expected beam performance with stability analysis | Glen White | SLAC |
| 05:00 pm | Emittance preservation & pump depletion | Benefits of a zig-zag compression design for FACET-II | Yichao Jing | BNL |
| 05:30 pm | Emittance preservation & pump depletion | Discussion | ||
| 06:00 pm | Adjourn |
Wednesday
| Start Time | Session Topic | Presentation | Presenter | Affiliation |
| 09:00 am | Transverse Wakefields with strong beam loading | Emittance vs Loading (introduction, theory with high level simulation results) | Sergei Nageitsev | FNAL |
| 09:30 am | Transverse Wakefields with strong beam loading | Theoretical progress (multi-modal analysis) | Xinlu Xu | UCLA/SLAC |
| 10:00 am | Transverse Wakefields with strong beam loading | Detailed computational discussion and next steps in understanding emittance vs. loading in PWFA | Weiming An | UCLA |
| 10:30 am | Coffee Break | |||
| 11:00 am | Transverse Wakefields with strong beam loading | Lessons learned from FACET and path forward for FACET-II experiment (offset knobs & what we will see on spectrometer) |
Erik Adli | U. Oslo |
| 11:30 am | Transverse Wakefields with strong beam loading | Diagnostic requirements for witness bunch offsets (r,z) | Mike Litos | UC Boulder |
| 12:00 pm | Transverse Wakefields with strong beam loading | Calculation of wakefields for plasma-wakefield accelerators | Gennady Stupakov | SLAC |
| 12:30 pm | Lunch | |||
| 01:30 pm | Positrons, hollow channels and dielectrics | Hollow channel longitudinal & transverse wakes | Carl Andreas Lindstrom | University of Oslo |
| 02:00 pm | Positrons, hollow channels and dielectrics | Dielectric Wakefield Accelerators: status & what’s next | Gerard Andonian | UCLA |
| 02:30 pm | Positrons, hollow channels and dielectrics | Analysis of BBU in compact structure-based wakefield accelerators and a suppression method | Stanislav Baturin | University of Chicago |
| 03:00 pm | Positrons, hollow channels and dielectrics | Saturation of the beam-hosing instability in quasi-linear plasma-wakefield accelerators | Remi Lehe | LBNL |
| 03:30 pm | Coffee Break | |||
| 03:45 pm | Positrons, hollow channels and dielectrics | Positron PWFA - what we’ve learned and what’s next | Sebastien Corde | Ecole Polytechnique |
| 04:15 pm | Positrons, hollow channels and dielectrics | Electron Driven Positron Acceleration with the Sailboat Chicane | Weiming An | UCLA |
| 04:45 pm | Positrons, hollow channels and dielectrics | Non-neutral fireball and possibilities for accelerating positrons with plasma | Jorge Viera | IST |
| 05:15 pm | Positrons, hollow channels and dielectrics | Discussion | ||
| 06:00 pm | Adjourn |
Thursday
| Start Time | Session Topic | Presentation | Presenter | Affiliation |
| 09:00 am | Injection experiments | Ionization injection - what we’ve learned and next steps | Navid Vafaei | Stonybrook University |
| 09:30 am | Injection experiments | Density Downramp Injection - Prospects for Ultra-high Brightness Beams | Xinlu Xu | UCLA/SLAC |
| 10:00 am | Injection experiments | Trojan Horse and Plasma Torch Injection - lessons learned and next steps | Bernhard Hidding | University of Strathclyde |
| 10:30 am | Coffee Break | |||
| 11:00 am | Injection experiments | Plans @ DESY | Jens Osterhoff | DESY |
| 11:30 am | Injection experiments | Low emittance measurements:100nm from betatron spectrum | Nathan Majernik | UCLA |
| 12:00 pm | Plasma Accelerator based FELs | Status of task force efforts | Mark Hogan | SLAC |
| 12:30 pm | Lunch | |||
| 01:30 pm | Plasma Accelerator based FELs | Realizing an FEL from a Plasma Accelerator - Progress and Plans at LBNL | Jeroen VanTillborg | LBNL |
| 02:00 pm | Ion Motion | Ion motion effects on emittance | Weiming An | UCLA |
| 02:30 pm | Ion Motion | Ion motion effects on energy spread | Xinlu Xu | UCLA/SLAC |
| 03:00 pm | Coffee Break | |||
| 03:15 pm | Ion Motion | Emittance preservation in plasma-based accelerators with ion motion | Carlo Benedetti | LBNL |
| 03:45 pm | Ion Motion | Long term wake evolution: heating & ion wakes | Jorge Viera | IST |
| 04:15 pm | Ion Motion | Imaging of beam-induced plasma structures: FACET and FACET-II | Mike Downer | UT Austin |
| 04:45 pm | Ion Motion | TeV/m in Plasmas | James Rosenzweig | UCLA |
| 05:15 pm | Ion Motion | Discussions | ||
| 05:30 pm | Adjourn | |||
| 06:00 pm | Wine & Cheese Reception – Building 52 Lobby |
Friday
| Start Time | Session Topic | Presentation | Presenter | Affiliation |
| 09:00 am | Simulation Codes | QuickPIC | Weiming An | UCLA |
| 09:30 am | Simulation Codes | OSIRIS | Warren Mori | UCLA |
| 10:00 am | Simulation Codes | WarpX & Exascale | Jean LucVay | LBNL |
| 10:30 am | Coffee Break | |||
| 11:00 am | Simulation Codes | VSIM | John Cary | UC Boulder & TechX |
| 11:30 am | Simulation Codes | 8 Years of Beam-Driven Wakefield Simulation -- lessons learned, reduced models, and future plans |
David Bruhwiler | Radiasoft |
| 12:00 pm | New Directions @ FACET-II | Active plasma lenses – limitations on beam energy/density and aberrations | Jan-Hendrik Röckeman | DESY |
| 12:30 pm | Lunch | |||
| 01:30 pm | New Directions @ FACET-II | High Field QED enabled by 100TW + 15GeV | David Reis | SLAC |
| 02:00 pm | New Directions @ FACET-II | High Fields: compressed 10GeV+300MeV—> 100GeV/100GeV | Sebastian Meuren | Princeton University |
| 02:30 pm | New Directions @ FACET-II | High Fields: computational challenges | Thomas Grismayer | IST |
| 03:00 pm | Coffee Break | |||
| 03:15 pm | New Directions @ FACET-II | Laser upgrade options: >100TW, transport and quality improvement | Alan Fry | SLAC |
| 03:45 pm | New Directions @ FACET-II | Laboratory Astrophysics studies with electron-positron beams at FACET-II | Frederico Fiuza | SLAC |
| 04:15 pm | New Directions @ FACET-II | Material studies with compressed electron & positron beams at FACET-II | Ioan Tudosa | University of Pennsylvania |
| 04:45 pm | New Directions @ FACET-II | Discussions | ||
| 05:15 pm | Adjourn |
