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Preliminary study on spallation target characteristics in an Accelerator-Driven system.

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Summary

This study optimizes spallation targets for accelerator-driven systems (ADS) by analyzing neutron production and distribution. The goal is to reduce the necessary beam current for efficient subcritical systems.

Keywords:
Accelerator-driven subcritical system (ADS)Neutronic analysisSpallation targetTarget parameter analysis

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Area of Science:

  • Nuclear Engineering
  • Particle Physics
  • Computational Physics

Background:

  • Accelerator-Driven Systems (ADS) require efficient spallation targets for neutron generation.
  • Optimizing target design is crucial for reducing the operational beam current requirements.
  • Understanding neutronic characteristics is key to improving ADS performance.

Purpose of the Study:

  • To investigate the neutronic characteristics of spallation targets for ADS.
  • To identify optimal spallation target designs for minimizing beam current.
  • To analyze the impact of target layout, proton beam energy, and neutron spectrum.

Main Methods:

  • Neutronic calculations performed using MCNP6.1.
  • Utilized the ENDF/B-VII cross-section library for simulations.
  • Investigated various spallation target layouts and proton beam energies.

Main Results:

  • Evaluated neutron production across different target configurations.
  • Analyzed spallation neutron distribution as a function of proton beam energy.
  • Characterized the spallation neutron spectrum for various parameters.

Conclusions:

  • Optimal spallation target designs can significantly reduce required beam current for ADS.
  • Neutronic analysis provides a pathway for efficient ADS development.
  • Further research can refine target parameters for enhanced neutron economy.