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Neutron reflectometry with the Multi-Blade

G Mauri1,2, F Messi1,3, M Anastasopoulos1

  • 1European Spallation Source ERIC, PO Box 176, 221 00 Lund, Sweden.

Proceedings. Mathematical, Physical, and Engineering Sciences
|September 18, 2018
PubMed
Summary
This summary is machine-generated.

The Multi-Blade, a boron-10 gaseous detector, was tested for neutron reflectometry. It addresses challenges in counting rate and spatial resolution for advanced neutron detection.

Keywords:
boron-10gaseous detectorsneutron detectors (cold and thermal neutrons)neutron reflectometryneutron scattering

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Area of Science:

  • Neutron scattering and detection technologies.
  • Materials science, focusing on boron-10 applications.
  • Instrumentation for advanced scientific research.

Background:

  • Neutron reflectometry requires detectors with high instantaneous counting rates and excellent spatial resolution.
  • Existing detectors face limitations in meeting the demands of modern neutron sources.
  • The European Spallation Source (ESS) and ISIS Neutron and Muon Source (ISIS) are leading facilities driving detector development.

Purpose of the Study:

  • To evaluate the performance of the Multi-Blade detector under realistic experimental conditions.
  • To assess the suitability of the boron-10-based Multi-Blade for neutron reflectometry.
  • To identify potential improvements for future neutron detector designs.

Main Methods:

  • The Multi-Blade detector was installed and tested on the CRISP reflectometer at ISIS.
  • A series of scientific measurements were conducted to characterize detector response.
  • Data analysis focused on parameters like counting rate and spatial resolution.

Main Results:

  • The Multi-Blade detector demonstrated its capability to operate in real-world neutron reflectometry environments.
  • Performance metrics related to counting rate and spatial resolution were obtained.
  • Initial findings indicate the potential of the Multi-Blade for advanced neutron detection applications.

Conclusions:

  • The Multi-Blade detector shows promise for neutron reflectometry applications at facilities like ESS.
  • Further optimization may be needed to fully meet the stringent requirements of next-generation instruments.
  • The study provides valuable insights into the practical performance of boron-10 based gaseous detectors.