10–15 Aug 2025
SAFE Credit Union Convention Center
America/Los_Angeles timezone

Oscillation Data Analysis during the LCLS-II Commissioning at SLAC

MOP068
11 Aug 2025, 16:00
2h
Ballroom A (SAFE Credit Union Convention Center)

Ballroom A

SAFE Credit Union Convention Center

Poster Presentation MC6 - Beam Instrumentation, Controls, AI/ML, and Operational Aspects Monday Poster Session

Speaker

Franz-Josef Decker (SLAC National Accelerator Laboratory)

Description

Analyzing the betatron oscillation of a beam is mainly used to find focusing errors in the lattice, like quadrupole errors. The generated trajectory differences can be compared with the design lattice or the current machine lattice where some magnets have been changed for different purposes or accidentally. Each method has different advantages and disadvantages like finding a quadrupole which got turned off by mistake won't be discovered with the current lattice method, while matching quadrupoles errors (which get tuned away from design) are harder to identify with the design lattice comparison. Besides lattice errors BPM (Beam Position Monitor) problems can be found too. Interpreting the data can have many pitfalls, some will be explained.

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Author

Franz-Josef Decker (SLAC National Accelerator Laboratory)

Presentation materials

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