Neutron calorimeter design for pulsed neutron experiment diagnostics.

Area of Science:

• Nuclear physics
• Neutron detection technology

Background:

• Pulsed neutron experiments in fission and fusion research require accurate diagnostic tools.
• Existing neutron measurement devices may have limitations in versatility and energy range.

Purpose of the Study:

• To describe a novel neutron calorimeter designed for diagnostic support in pulsed neutron experiments.
• To highlight the calorimeter's capabilities across different neutron energy spectra.

Main Methods:

• Utilizes a pair of thermocouples in contact with a sample material to generate a voltage signal.
• Employs Monte Carlo particle transport simulations to analyze performance.
• Presents design overview, requirements, and test data.

Main Results:

• Demonstrates a versatile, modular neutron calorimeter with a small form factor.
• Confirms applicability for neutron energies from thermal to fast (up to 14 MeV).
• Shows potential for various neutron absorber materials and sizes.

Conclusions:

• The developed neutron calorimeter offers a versatile and effective diagnostic solution for pulsed neutron experiments.
• Its modularity and broad energy range make it suitable for diverse research applications.
• Further development possibilities exist for enhanced neutron detection capabilities.