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Beam Gas Curtain: a new instrument for LHC Run 3

A High-Luminosity LHC instrument known as the Beam Gas Curtain will be tested and start collecting data during Run 3

Written by:

Chetna Krishna

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Gaz injection test of the Beam Gas Curtain at P4
The Beam Gas Curtain installed in the Large Hadron Collider at Point 4. A non-invasive beam profile monitor using supersonic gas jet to further our understanding of the beam dynamics and supports new discoveries. This advanced monitor is developed for the High-Luminosity upgrade of the Large Hadron Collider (HL-LHC). Source: CERN (CDS)

The Large Hadron Collider (LHC) will soon be restarted following its year-end technical stop. During this stop, new instruments were installed in the LHC tunnel, including the Beam Gas Curtain (BGC).

After ten years of development, the BGC will start taking data on the LHC’s proton beam this year during Run 3. It will provide precise 2D images of the alignment of the proton beams, making data taking more precise. The BGC instrument was designed for the high-luminosity upgrade of the LHC as part of a collaboration between CERN’s Beam Instrumentation group, Liverpool University, the Cockcroft Institute and GSI.

Watch an animation of how the BGC works below:

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