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AKBP: Arbeitskreis Beschleunigerphysik
AKBP 4: Beam Dynamics
AKBP 4.2: Vortrag
Montag, 9. März 2026, 17:00–17:15, SCH/A117
Determining the influence of transversal beam excitation on beam size and dynamics at KARA — •Simon Braner1, Marvin-Dennis Noll1, Johannes Steinmann1, Erhard Huttel1, Anke-Susanne Müller1, Erik Bründermann1, and Michele Caselle2 — 1IBPT, KIT, Karlsruhe — 2IPE, KIT, Karlsruhe
Significant beam dynamics parameters, such as energy spread or transversal beam size, can be calculated from the transversal bunch profile. At the Karlsruhe Research Accelerator (KARA), located at the Karlsruhe Institute of Technology (KIT), the beam size in the storage ring is being investigated using the KArlsruhe Linear arraY detector for MHz rePetition rate SpectrOscopy (KALYPSO), a line array that examines the synchrotron radiation emitted at a five-degree port of a dipole magnet. Trench-Isolated Low-Gain Avalanche Diode (TI-LGAD) technology provides superior sensitivity compared to conventional silicon detectors, thereby facilitating the study of low-charge bunches. As the KALYPSO system can be triggered at several megahertz, turn-by-turn analysis can be performed at KARA, which has a revolution frequency of 2.7 MHz. In addition to the study of the energy spread, the analysis of beam size and position modulations can be performed. These can either occur naturally or be induced by a white noise signal on a strip line. In this contribution, the influence of transversal beam excitation on beam size and time-resolved dynamics at KARA is investigated.
Keywords: Diagnostics; turn-by-turn; KALYPSO; KARA