Performance of THGEM as a Neutron Detector
Title
The Performance of Thick Gaseous Electron Multiplier (THGEM) Preamplifiers as a Neutron Sensitive Detector.
Introduction
Motivation
Fast neutron detectors have many applications in different disciplines of nuclear technology. Fast neutron detectors are used for Homeland security applications, such as neutron imaging for the large size cargo containers, high penetrating neutrons are desirable when efficient fast neutron detectors are available. They are also used for real time measurements of fast neutron beam flux which are used in nuclear reactors such as the Advanced Test Reactor (ATR). The goal of this research is to economically build and test the performance gaseous electron multipliers preamplifiers, as they are installed in detector's chamber that has a coated layer of fissionable material such as U-238 or U-233.
Problem Statement
1- low efficiency fast neutron detector using GEM with a layers of Al,CH2 and Ch3 ) 3x10^-5. 2- comparing different gases' gain.
Chapter One: Building the Detector
Detector Description
Using the ESEM for to test the quality of the the procedure for applying ED7100 paste
Chapter Two : Physical Concepts and Processes
Gaseous Medium Physical Concepts
Induced Neutron Fission Fragment
Importance of Fast Neutron Detectors
"Neutron detectors are used in several different applications and are of great importance both in scientific work as well as in industrial applications, such as nuclear reactors where the reactor neutron flux needs to be monitored. The need for neutron detectors have increased because of the decision to build detectors capable of detecting so called "dirty bombs" in all major harbors in the United States. Also, the scientific interest has increased because of the construction of the European Spallation Source outside of Lund, where neutrons will be used to study different kinds of materials." Linus Ros, Lund University: Faculty of Engineering (LTH), April 4, 2011.
Homeland security application and a need for a large detection area.
A need for detectors that has the ability to discriminate gamma radiation.
low cost and economical stable and robust in harsh radiation areas.
References
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