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AKBP: Arbeitskreis Beschleunigerphysik

AKBP 17: Future Extensions of Existing Machines

AKBP 17.4: Talk

Friday, March 22, 2024, 12:00–12:15, E 020

Transverse Resonance Island Buckets in Advanced Light Sources — •Michael Arlandoo — Helmholtz-Zentrum Berlin

Transverse Resonance Island Buckets (TRIBs) is a special optics mode where the storage ring is tuned close to a resonance so that a second stable orbit can be operated together with the main one. The two orbits can be filled independently with bunches to some extent and this opens new possibilities for different timing mode experiments. TRIBs is successfully operated at BESSY II and in this talk, we discuss the possibility of implementing it in the upgrade project BESSY III. A first-principles approach based on nonlinear dynamics is presented where the mechanisms that generate TRIBs at different resonances are made transparent.

Keywords: Nonlinear dynamics; Resonances; Islands; Phase space; Bunch separation