<abstract xmlns="http://www.w3.org/1999/xhtml">

<p>The Timepix2-based hybrid-pixel detector with a 500 μm thick silicon sensor was employed for fast-neutrons registration to be applied in neutron radiography of metallic printed circuit heat exchanger (PCHE). Two energies of neutrons were experimentally tested. The detection of 3.55 MeV neutrons from the deuteron–deuteron (DD) reaction was compared to 15.7 MeV neutrons from the deuteron–tritium (DT) neutron generator. In order to distinguish the signal induced by the registered neutrons from the accelerator background, filtration of the recorded particle spectral tracks was applied. The benefit of applying hydrogen-based converter layer for 3.55 MeV neutrons was observable. On the other hand, in the case of 15.7 MeV neutrons, the direct registration by interaction with the sensor Si significantly dominates the conversion.</p>
</abstract>

The Timepix2-based hybrid-pixel detector with a 500 μm thick silicon sensor was employed for fast-neutrons registration to be applied in neutron radiography of metallic printed circuit heat exchanger (PCHE). Two energies of neutrons were experimentally tested. The detection of 3.55 MeV neutrons from the deuteron–deuteron (DD) reaction was compared to 15.7 MeV neutrons from the deuteron–tritium (DT) neutron generator. In order to distinguish the signal induced by the registered neutrons from the accelerator background, filtration of the recorded particle spectral tracks was applied. The benefit of applying hydrogen-based converter layer for 3.55 MeV neutrons was observable. On the other hand, in the case of 15.7 MeV neutrons, the direct registration by interaction with the sensor Si significantly dominates the conversion.

Conversion of fast neutrons for neutron radiography with TPX2 detector

Nukleonika

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License.

{"article-title":"Conversion of fast neutrons for neutron radiography with TPX2 detector"}

The Timepix2-based hybrid-pixel detector with a 500 μm thick silicon sensor was employed for fast-neutrons registration to be applied in neutron radiography of...

Conversion of fast neutrons for neutron radiography with TPX2 detector

Article Category: Original Paper

Published Online: Jun 25, 2024

Page range: 135 - 140

Received: Nov 21, 2023

Accepted: May 08, 2024

DOI: https://doi.org/10.2478/nuka-2024-0020

Keywords
Hybrid pixel detector, Neutron conversion, Neutron radiography, Timepix2

© 2024 Andrea Šagátová et al., published by Sciendo

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License.

Conversion of fast neutrons for neutron radiography with TPX2 detector

Article Category: Original Paper

Published Online: Jun 25, 2024

Page range: 135 - 140

Received: Nov 21, 2023

Accepted: May 08, 2024

DOI: https://doi.org/10.2478/nuka-2024-0020

KeywordsHybrid pixel detector, Neutron conversion, Neutron radiography, Timepix2

© 2024 Andrea Šagátová et al., published by Sciendo

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License.

Keywords
Hybrid pixel detector, Neutron conversion, Neutron radiography, Timepix2