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First negative ion beam measurement by the Short-Time Retractable Instrumented Kalorimeter Experiment (STRIKE).

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Summary
This summary is machine-generated.

The mini-STRIKE system, a scaled-down version of the SPIDER calorimeter, was tested on the BATMAN beamline. It successfully characterized deuterium beams under various operating conditions, optimizing ITER neutral beam injectors.

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Area of Science:

  • Plasma physics
  • Fusion energy research
  • Diagnostic instrumentation

Background:

  • The International Thermonuclear Experimental Reactor (ITER) requires optimized neutral beam injectors for plasma heating.
  • The Source for Production of Ion of Deuterium Extracted from Rf plasma (SPIDER) test facility is developing these injectors.
  • Accurate beam characterization is crucial for optimizing injector performance.

Purpose of the Study:

  • To describe the mini-STRIKE system, a scaled-down version of the SPIDER calorimeter.
  • To present the data analysis procedures for the mini-STRIKE system.
  • To evaluate the performance of the mini-STRIKE system on the BAvarian Test MAchine for Negative ions (BATMAN) testbed.

Main Methods:

  • A small-scale instrumented calorimeter, mini-STRIKE, was designed and assembled.
  • The mini-STRIKE system, featuring prototype carbon-fibre-carbon-composite tiles, was installed on the BATMAN testbed.
  • Deuterium beams were generated and characterized on BATMAN under varying operational parameters.

Main Results:

  • The mini-STRIKE system provided characterization data for the BATMAN deuterium beam.
  • The system's components and data analysis procedures were validated.
  • Initial results demonstrated the capability to assess beam properties under different conditions.

Conclusions:

  • The mini-STRIKE system is a viable tool for characterizing negative ion beams.
  • The findings contribute to the optimization of the SPIDER facility and ITER neutral beam injectors.
  • Further studies will refine data analysis and system performance.