Abstract
An inertial electrostatic confinement fusion (IECF) device can produce copious amount of neutrons and protons from D-D and D- <sup xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink">3 </sup> He fusion reactions using D <sub xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink">2</sub> and <sup xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink">3</sup> He fuels. The 14.7 MeV protons from D- <sup xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink">3</sup> He reactions are highly energetic and are expected to be utilized to produce radioisotopes for medical use, for example, positron emission tomography (PET). In order to measure the reaction rate of D- <sup xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink">3</sup> He, a proton counting system is constructed using a semiconductor diode detector. When used with a metallic foil and a electron deflection magnet, the present proton counting system provides a good signal/noise ratio for 14.7 MeV protons even in the presence of high energy electron beams, hard X-rays, and metallic ions from sputtering. The 14.7 MeV proton production rate has been measured as a function of D <sub xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink">2</sub> - <sup xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink">3</sup> He fuel composition and the discharge bias voltage, which agree well with the theoretical predictions
Published Version
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