Speaker
Description
The upcoming Scorpius Linear Induction Accelerator (LIA) that will be based at the Nevada National Security Site requires the calibration of tens of Beam Position Monitors of differing geometries, all within stringent uncertainty constraints. These diagnostics provide the accelerator team with time-dependent current and position information of the propagating electron beam, which is essential for effective transport to the target region. This paper will cover the experimental configuration of the prototype BPM test stand at Nevada, the displacement sensitivity campaign undertaken, and the resultant data analysis. The surrogate beam is provided by a single-shot pulsed-power generator, which supplies a 5 kV, 100 ns pulse with 10 ns rise and fall times. Due to the stainless-steel housing material for the prototype BPMs, the magnetic flux of the simulated beam diffuses into the housing, therefore creating a time-dependent increase of the detector area. We have written an algorithm for automatically detecting the pulse peaks and correcting for the diffusion effect in the programming language python. Our results show that the mechanical sensitivity is well characterized and the numerical techniques for data processing will be ready for Scorpius commissioning.
Funding Agency
This work was done by Mission Support and Test Services, LLC, under Contract No. DE-NA0003624 with the U.S. Department of Energy and the National Nuclear Security Administrati
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