Beam Dynamics in High-Intensity Circular Machines: theory, codes, simulations and experiments (3 sessions)
Scope: Space-charge theory, codes, simulation and benchmarking of simulation with experimental data; mechanisms of halo formation; beam instability theory, codes, simulations and benchmarking of simulation with experimental data; conventional impedances, instabilities and mitigation; electron-cloud instabilities and mitigation; intra-beam scattering and emittance preservation; lattices and general beam dynamics
Working Group Charge:
Summarize the state of the art in simulation capabilities. What developments are needed?
Summarize the state of the art in theory. What developments are needed?
Summarize recent developments in benchmarking experimental data with simulations. What critical experiments and diagnostic developments are needed to further refine the theory and simulations?
Summarize the state of the art in instability mitigation techniques. What further technology developments are needed?
Summarize the primary limitations to beam intensity in existing circular machines.
Summarize the key beam dynamics questions for high-intensity circular machines
Summarize opportunities for advancing the field.
Beam Dynamics in High Intensity Linacs: theory, codes, simulations and experiments (2 Sessions)
Scope: linac design codes, theory, simulations and comparison of experimental linac observations with simulation; simulation of high-intensity linac performance; beam dynamics in front-end injectors; characterization of initial beams and distributions; mechanisms of emittance growth, halo formation and emittance preservation
Working Group Charge:
Summarize the state of the art in linac simulation capabilities. What are the weaknesses? What developments are needed?
Summarize recent developments in benchmarking experimental data with simulations. What critical experiments are needed to further refine the theory and simulations?
Summarize the present understanding and limitations of linac beam dynamics in operating linacs.
Summarize the primary limitations to beam intensity in existing high-intensity linear accelerators.
Summarize the key open questions in the beam dynamics of high-intensity linacs and opportunities to advance the field
Accelerator System Design: Injection, Extraction and Collimation (1.5 Sessions)
Scope: H- charge-exchange injection system design and modeling; stripping foil developments; advanced stripping techniques; modeling of injection and extraction systems and fields; collimation system design and benchmarking; transport line design; beam dynamics designs for other accelerator systems.
Working Group Charge:
Summarize the state of the art in H- charge-exchange injection.
Summarize recent developments and future possibilities for novel injection techniques.
Summarize the problems encountered, the needs for further development and improvements in injection and extraction of high-intensity beams.
Summarize the state-of-the art in collimation system design
Summarize the status of benchmarking of collimation system efficiency and performanc
Commissioning Strategies, Operations and Performance, Beamloss Management, Activation and Machine Protection (2.5 sessions)
Scope: Performance of operating facilities; limitations to intensity and beam power in operating facilities; commissioning and tune-up experience, algorithms and strategies at new and existing high intensity machines; beam loss performance of operating facilities; activation simulations and tracking; systems for machine protection and minimization of activation; active handling methods
Working Group Charge:
Summarize the present performance parameters of the existing high intensity facilities, and planned performance of new facilities.
Summarize the key limitations to performance at each of the existing and planned high intensity facilities.
Summarize the commissioning and tune-up algorithms and techniques in use and envisioned, and those that have proven to be especially useful.
Summarize key needs from theory, simulation, controls, etc. to enhance performance, aid commissioning and tune-up.
Summarize the beamloss and activation performance of existing high-power proton facilities.
Summarize the strategies for operation and maintenance of loss-limited facilities.
High-Intensity Linacs and Rings: New Facilities and Concepts (1.5 Sessions)
Scope: Proton Drivers; CW ion linacs; new designs for linacs and circular machines, linac accelerating structures and hardware; circular accelerator designs and hardware for high-intensity; high-brightness ion sources; beam chopping strategies;
Working Group Charge:
Summarize the recent trends in new high-intensity proton and ion beam facility design.
Summarize the critical challenges and key areas of focus to significantly increase beam intensity and power as envisioned in future high-intensity facilities.
Summarize the necessary improvements in theory and simulation tools
Diagnostics and Instrumentation for High-Intensity Beams (1.5 Session)
Scope: Beam instrumentation for high-power, high-intensity, high-brightness beams; measurement of beam halo in transverse and longitudinal dimensions; laser-based measurement methods; emittance measurements; characterization of front-end/source beams for use in simulation; non-intercepting beam profile monitoring; beam profile monitoring for beam windows and targets
Working Group Charge:
Summarize the existing beam instrumentation suite and the state-of-the-art for each type of device.
Summarize the status of beam halo measurements and the necessary direction for future work to measure beam halo at the 10^-5 level.
Summarize the needs for instrumentation development for handling beams of higher intensity and higher power
