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A dynamic collimation and alignment system for the Helmholtz linear accelerator.

S Lauber1, K Aulenbacher1, W Barth1

  • 1Helmholtz Institute Mainz, Mainz 55128, Germany.

The Review of Scientific Instruments
|December 2, 2021
PubMed
Summary
This summary is machine-generated.

Precise alignment of superconducting cavities and solenoids in new linear accelerators is crucial. A novel collimation system ensures a symmetric beam for accurate, beam-based alignment, improving accelerator performance.

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Area of Science:

  • Accelerator Physics
  • Particle Beam Technology

Background:

  • Commissioning of superconducting (SC) continuous wave Helmholtz linear accelerators requires precise alignment of internal SC cavities and SC solenoids.
  • Misalignment can significantly impact accelerator performance and experimental results.

Purpose of the Study:

  • To develop and implement a beam-based alignment method for SC linear accelerator cryomodules.
  • To design, investigate, and realize a collimation system for generating a symmetric beam essential for the alignment method.

Main Methods:

  • Utilized a beam-based alignment technique to minimize cryomodule and component misalignment.
  • Developed a collimation system with horizontally and vertically aligned slit plates to produce a low transverse emittance symmetric beam.
  • Integrated the collimation system into the GSI High Charge State Injector environment.

Main Results:

  • Successfully proposed, investigated, and realized the collimation system.
  • Presented the complete setup and integration of the system.
  • Conducted and presented results from recent reference measurements.

Conclusions:

  • The developed collimation system and beam-based alignment method are effective for precise component alignment in SC linear accelerators.
  • The successful integration and testing pave the way for efficient commissioning of new cryomodules.