17–22 May 2026
C.I.D
Europe/Zurich timezone

Single- and Multi-bunch Instability Studies for Future ERL-based Applications

WEP5103
20 May 2026, 16:00
2h
C.I.D

C.I.D

Deauville, France
Poster Presentation MC5.D04: Beam Coupling Impedance Theory, Simulations, Measurements, Code Development Poster session

Speakers

Lode Vanhecke (École Polytechnique Fédérale de Lausanne) Tatiana Pieloni (École Polytechnique Fédérale de Lausanne)

Description

Energy Recovery Linear Accelerators (ERLs) rely on precise control of collective effects to sustain high-current, high-energy operation while maintaining efficient energy recovery. Beam stability is a central concern, as beam loading and both single-pass and multi-pass beam break-up (BBU) set fundamental limits on performance. Higher-order mode and beam tolerances must be established to suppress destructive modes and to determine the conditions under which BBU and beam loading can drive transverse or longitudinal emittance growth. These stability constraints are established in the energy-efficient cryomodule being designed by Innovate for Sustainable Accelerating Systems (iSAS), supporting their use in future ERL-based colliders and enabling investigations of overall energy-recovery efficiency.

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Author

Lode Vanhecke (École Polytechnique Fédérale de Lausanne)

Co-authors

Andrea Latina (European Organization for Nuclear Research) Mike Seidel (Paul Scherrer Institute) Tatiana Pieloni (École Polytechnique Fédérale de Lausanne)

Presentation materials

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