Speaker
Description
The large energy range and high intensity of current hadron accelerators, such as the Large Hadron Collider (LHC) and its planned high-luminosity upgrade, pose great challenges to beam measurements.
The Beam Gas Curtain (BGC) was successfully installed in the accelerator in 2023 and presents an accurate, minimally invasive profile monitor with a large energy range for high-intensity beams. It exploits fluorescence from a supersonic gas jet interacting with the stored particle beam.
This contribution will present results from measurements of the proton and lead ion beam transverse profile and emittance, continuously measured over the entire LHC beam energy range. It will show the versatility of the monitor, excellent resolution and how it has helped improve machine operation on a daily basis. It will also explain how the monitor principle can be adapted to a wide range of different beams.
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