Sep 17 – 23, 2023
Hotel Hermitage, La Biodola Bay, Isola d'Elba, Italy
Europe/Rome timezone

Working Groups

WG1: Plasma-based accelerators and ancillary components   

Topics addressed:

  • Laser-driven plasma acceleration
  • Beam-driven plasma acceleration
  • Recent experimental results and planned experiments
  • Single and multi-drive pulses (either laser or particle bunches)
  • External and self-injection techniques
  • Novel acceleration schemes
  • Staging
  • Advanced beam control and manipulation

Co-Leader: Min Chen, Shangai Univ.

Co-Leader: Riccardo Pompili, INFN – LNF 


WG2: Laser technology (WP6 - Task2)   

Topics addressed:

  • Recent achievements and future challenges in laser drivers for LPA
  • Needs for laser driven accelerators (laser-plasma ion source, LWFA, IFEL, dielectric laser, ...)
  • State-of-the-art of high peak and average power and perspectives
  • Laser beam quality, contrast, stability
  • High repetition rate issues
  • TRL Studies

Co-Leader: Leonida A. Gizzi, INO-CNR

Co-Leader: Mariastefania De Vido, STFC

Co-Leader: Paul Crump, FBH – Berlin

Co-Leader: Gilles Cheriaux, CNRS

Co-Leader: Christophe Simon-Boisson, Thales


WG3: Theory and simulations   

Topics addressed:

  • New theoretical works on plasma-based acceleration
  • State-of-the-art computational tools for enabling realistic and rapid simulations
  • Choices in computational tools (PIC, quasi-static PIC, and fluid)
  • Novel algorithms and numerical analysis
  • Multi-core computation and graphics processing tools

Co-Leader: Andrea Renato Rossi, INFN

Co-Leader: Maxence Thevenet, DESY


WG4: High gradient vacuum structures 

Topics addressed:

  • New High power, high frequency RF structures
  • Dielectric laser and dielectric wakefield acceleration
  • Photonic accelerator structures
  • THz-driven accelerators
  • Advanced and exotic structures using novel materials
  • Inverse FEL acceleration 
  • Recent experimental results and planned experiments

Co-Leader: Sami Tantawi, SLAC 

Co-Leader: Andrea Mostacci, Sapienza Univ.


WG5: Applications 

Topics addressed:

  • All potential applications: FEL, medical, radiation generation, cultural heritage...
  • Recent experimental results and planned demonstration experiments
  • Planned facilities implementing advanced accelerator with applications
  • Betatron radiation

Co-Leader: Louise Willingale, Michigan Univ. 

Co-Leader: Gianluca Sarri, Queen's Univ.


WG6: Ion acceleration and developments towards fusion 

Topics addressed:

  • Ion beams produced by laser-plasma sources
  • Recent experimental results and planned experiments
  • Novel targets
  • Novel acceleration mechanisms (radiation pressure, shock and hole-boring, ...)
  • R&D towards fusion experiments

Co-Leader: Marco Borghesi, Queens University 

Co-Leader: Matthew Zepf,Jena Univ. 


WG7: Beam diagnostics, instrumentation, Machine Learning 

Topics addressed:

  • Transverse and longitudinal phase space characterization
  • Energy, charge, pointing stability measurement
  • Single and multi-shot techniques
  • Novel diagnostic devices: ideas and experiments
  • Machine Learning and Artificial Intelligence for design and operation of particle accelerators

Co-Leader: Andreas Döpp, LMU Munchen

Co-Leader: Rasmus Ischebeck, PSI


WG8: Plasma sources and related diagnostics 

Topics addressed:

  • Discharge plasma sources;
  • Gas jets, plasma cells, dielectric capillary tubes, alkali vapor ovens, ...
  • Plasma lens
  • Plasma dechirper
  • Doping for ionization injection
  • Laser guiding in plasma modules, preformed plasma waveguide
  • Plasma homogeneity, plasma profile tailoring
  • Plasma diagnostics

Co-Leader: Angelo Biagioni, INFN 

Co-Leader: Malte Kaluza, Jena Univ.


WG9: From conventional to advanced undulators 

Topics addressed:

  • Superconducting undulators
  • New undulator concept and technology for FEL driven by plasma-based acceleration (transverse tapering, optical and plasma undulators)

Co-Leader: Sara Casalbuoni, EuXFEL 

Co-Leader: James Rosenzweig, UCLA


WG10: ALEGRO towards colliders 

Topics addressed:

  • Examine key challenges
  • Discuss suitable concepts and identify topics for future R&D or innovation including electron and positron sources, acceleration of positrons, luminosity, final focus, damping ring and efficiency

Co-Leader: Brigitte Cros, Paris Saclay 

Co-Leader: Rajeev Pattathil, STFC