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

Observations of Longitudinal Low Frequency Oscillations at the ESRF

THP2027
21 May 2026, 16:00
2h
C.I.D

C.I.D

Deauville, France
Poster Presentation MC2.A05: Synchrotron Radiation Facilities Poster session

Speaker

Lee Carver (European Synchrotron Radiation Facility)

Description

A low frequency oscillation at 360 Hz has been observed in the longitudinal plane at the ESRF. This oscillation has all the characteristics of a collective effect, for example it shifts with intensity, has a clear intensity threshold and can be modified by changing the bunch length. The third harmonic of this frequency overlaps with the synchrotron frequency, causing strong perturbations for one particular beamline using dispersive optics. Until now, no clear explanation has been found.

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Author

Lee Carver (European Synchrotron Radiation Facility)

Co-authors

Alessandro D'Elia (European Synchrotron Radiation Facility) Benoît Roche (European Synchrotron Radiation Facility) Nicola Carmignani (European Synchrotron Radiation Facility) Pawel Borowiec (European Synchrotron Radiation Facility) Simon White (European Synchrotron Radiation Facility)

Presentation materials

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