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2D Neutron Imaging with 10B-Based Multi-Blade Detector

Ilves, Tõnu LU (2018) FYSM30 20172
Department of Physics
Nuclear physics
Abstract
In the field of thermal-neutron imaging, the Multi-Blade detector concept and design, being developed for the upcoming European Spallation Source in Lund, Sweden, is unique. The current report presents, for the first time, the neutron-imaging capabilities of a boron-10-based Multi-Blade thermal-neutron detector, measured at a reflectometry instrument at Rutherford Appleton Laboratory in Oxfordshire, England under high spallation neutron flux. This thesis is focused on producing two-dimensional neutron images from the measurements. A full overview of neutron-detection concepts and specifically, the Multi-Blade detector are given. The detector has excellent response to thermal neutrons. Detector short-comings are addressed and suggestions... (More)
In the field of thermal-neutron imaging, the Multi-Blade detector concept and design, being developed for the upcoming European Spallation Source in Lund, Sweden, is unique. The current report presents, for the first time, the neutron-imaging capabilities of a boron-10-based Multi-Blade thermal-neutron detector, measured at a reflectometry instrument at Rutherford Appleton Laboratory in Oxfordshire, England under high spallation neutron flux. This thesis is focused on producing two-dimensional neutron images from the measurements. A full overview of neutron-detection concepts and specifically, the Multi-Blade detector are given. The detector has excellent response to thermal neutrons. Detector short-comings are addressed and suggestions for a next wave of measurements and analysis are given. (Less)
Popular Abstract
Neutrons are tiny little devils, whose presence isn't easy to expose. Especially when current detectives, who catch them, are about to retire. This is exactly what this project is aiming at - building a boron-10 based neutron detector and producing 2 dimensional images with neutrons. While individual neutrons do
not care about electrical barriers, they are excellent detectives, uncovering unknown properties in different materials. However, for the same reason, they are problematic to capture. The present thesis is focusing on boron-10 detector characterization and 2 dimensional neutron imaging. Within the thesis, a software is developed to convert a neutron-induced signal into a 2 dimensional
visualization on a computer screen. Two... (More)
Neutrons are tiny little devils, whose presence isn't easy to expose. Especially when current detectives, who catch them, are about to retire. This is exactly what this project is aiming at - building a boron-10 based neutron detector and producing 2 dimensional images with neutrons. While individual neutrons do
not care about electrical barriers, they are excellent detectives, uncovering unknown properties in different materials. However, for the same reason, they are problematic to capture. The present thesis is focusing on boron-10 detector characterization and 2 dimensional neutron imaging. Within the thesis, a software is developed to convert a neutron-induced signal into a 2 dimensional
visualization on a computer screen. Two dimensional neutron imaging can find useful application in nuclear power plants and neutron research facilities. Visual radiation monitoring would guarantee better safety in those facilities. (Less)
Please use this url to cite or link to this publication:
author
Ilves, Tõnu LU
supervisor
organization
alternative title
2D Neutron Imaging with Boron-10 Based Multi-Blade Detector
course
FYSM30 20172
year
type
H2 - Master's Degree (Two Years)
subject
keywords
thermal, neutron, imaging, 2D, Multi-Blade, detector, boron, boron-10, nuclear physics, multi wire proportional chamber, digitizer, ESS, European Spallation Source, surface study, reflectometry
language
English
id
8934561
date added to LUP
2018-02-12 11:56:45
date last changed
2018-02-12 11:56:45
@misc{8934561,
  abstract     = {{In the field of thermal-neutron imaging, the Multi-Blade detector concept and design, being developed for the upcoming European Spallation Source in Lund, Sweden, is unique. The current report presents, for the first time, the neutron-imaging capabilities of a boron-10-based Multi-Blade thermal-neutron detector, measured at a reflectometry instrument at Rutherford Appleton Laboratory in Oxfordshire, England under high spallation neutron flux. This thesis is focused on producing two-dimensional neutron images from the measurements. A full overview of neutron-detection concepts and specifically, the Multi-Blade detector are given. The detector has excellent response to thermal neutrons. Detector short-comings are addressed and suggestions for a next wave of measurements and analysis are given.}},
  author       = {{Ilves, Tõnu}},
  language     = {{eng}},
  note         = {{Student Paper}},
  title        = {{2D Neutron Imaging with 10B-Based Multi-Blade Detector}},
  year         = {{2018}},
}