Measurement of neutron induced reaction cross-section of tantalum with covariance analysis


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Summary

Measurement of neutron-induced reaction cross-section of tantalum with covariance analysis, using offline γ-ray spectroscopy at 1.37, 2.06, 2.56, and 3.05 MeV neutron energies.

Highlights

  • Neutron-induced reaction cross-section of tantalum measured at four energies.
  • Offline γ-ray spectroscopy used for measurement.
  • Covariance analysis employed to quantify uncertainties.
  • Results compared with evaluated data libraries and theoretical models.
  • Present data in agreement with ENDF/B-VIII.0 library and LDM1 model.
  • Uncertainties in measured cross-sections range from 8-10%.
  • Previous experimental results show large inconsistencies.

Key Insights

  • The measurement of neutron-induced reaction cross-section of tantalum is crucial for various applications, including reactor design and nuclear medicine.
  • The use of covariance analysis provides a robust statistical approach to evaluate uncertainties and correlations between different experimental observables.
  • The present data is in good agreement with the evaluated data library ENDF/B-VIII.0 and the theoretical model LDM1, indicating the reliability of the measurement.
  • The results highlight the importance of accurate measurements of neutron-induced reaction cross-sections for various applications.
  • The inconsistencies between previous experimental results emphasize the need for precise measurements and careful analysis of uncertainties.
  • The study demonstrates the potential of offline γ-ray spectroscopy for measuring neutron-induced reaction cross-sections.
  • The covariance analysis employed in this study provides a comprehensive understanding of the uncertainties and correlations between different experimental observables.



Mindmap


Citation

Upadhyay, M., Choudhary, M., Singh, N., Dubey, P., Singh, S., Paul, S., Mishra, U., Mishra, G., Mohanto, G., De, S., Danu, L. S., Lalremruata, B., Kumar, A., Thomas, R. G., & Kumar, A. (2024). Measurement of neutron induced reaction cross-section of tantalum with covariance analysis (Version 1). arXiv. https://doi.org/10.48550/ARXIV.2412.18422

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