Limiting factor for tube dimensions in beam delivery system

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SUMMARY

The discussion centers on the design considerations for a tube or tunnel in a linear accelerator (linac) aimed at discovering the Higgs Boson. Key limiting factors include the wall thickness necessary to maintain vacuum integrity and the influence of wakefields, which necessitate specific distances between the beam and the walls to mitigate current induction and emittance growth. The complexity of accelerator design requires a comprehensive understanding of beam dynamics and emittance targets, rather than relying on single parameters.

PREREQUISITES
  • Understanding of linear accelerator (linac) design principles
  • Knowledge of vacuum systems and wall thickness requirements
  • Familiarity with wakefield effects on particle beams
  • Comprehension of beam dynamics and emittance concepts
NEXT STEPS
  • Research publications on beam dynamics and emittance targets
  • Study the effects of wakefields in particle accelerators
  • Explore vacuum system design for linear accelerators
  • Investigate advanced simulation tools for accelerator design
USEFUL FOR

Researchers, physicists, and engineers involved in particle accelerator design, particularly those focused on high-energy physics experiments like the search for the Higgs Boson.

PoZel
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I am currently part of a group (University) working on a project that is focused on designing a linac to find the Higgs Boson.

I have a question about the the limiting factor for the tube/tunnel.

Currently we have two considerations:
1) The thickness of the walls required to maintain the vacuum.

2) Wakefields and as such the distance that the walls would need to be away from the beam in order to reduce the effect of inducing a current in the walls, emittance growth etc.

I am looking for some guidance and knowledge in the area as I am struggling to make any headway.

Thanks for any help that you can provide.
 
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Accelerator design is complicated, and you can't reduce it to single parameters like this. The beam diameter depends on the position and energy, you have to know the emittance targets and so on.
There are various publications about beam dynamics.
PoZel said:
I am currently part of a group (University) working on a project that is focused on designing a linac to find the Higgs Boson.
That didn't work out, I guess.
 

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