Conceptual design study for a dedicated low-energy diagnostics line at Linac3

Dec 4, 2023
21 pages
Report number:
  • CERN-ACC-NOTE-2023-0023
Experiments:

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Abstract: (submitter)
A low-energy diagnostics upgrade of Linac3 has been studied in the last couple of years to allow a more precise characterization of the beam properties at extraction from the source, currently impeded by a complete lack of measuring devices in the first 6 m of the accelerator layout. Due to space tightness constraints, the solution explored consists of a dedicated beam diagnostics line, branching off the main lattice through a 90o spectrometer magnet. Through a choice of pulse-to-pulse functionality, this solution would also allow permanent logging in operation and the implementation of feedback loops that could help achieve better source performance stability. This note details the design and beam dynamics performance of this line, and it provides a preliminary assessment on feasibility and costing.