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2025 ANS Winter Conference & Expo
November 9–12, 2025
Washington, DC|Washington Hilton
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Latest News
NRC nominee Nieh commits to independent safety mission
During a Senate Environment and Public Works Committee hearing today, Ho Nieh, President Donald Trump’s nominee to serve as a commissioner at the Nuclear Regulatory Commission, was urged to maintain the agency’s independence regardless of political pressure from the Trump administration.
Takanori Higashi, Takahito Tomizawa, Mitsugu Daino, Yasushi Yamamoto
Fusion Science and Technology | Volume 44 | Number 2 | September 2003 | Pages 544-548
Technical Paper | Fusion Energy - Nonelectric Applications | doi.org/10.13182/FST03-A394
Articles are hosted by Taylor and Francis Online.
The effects of operating gas pressure on a Cylindrical Inertial Electrostatic Confinement Fusion (IECF) device are investigated. First we did glow discharge experiments, and we obtained 1.8 × 106 neutrons production per second with 45-kV, 44-mA discharge at 1.2 Pa. Next we modified the device and tried to reduce the operating gas pressure with an ion source, aimed to increase neutron production. Although the discharge currents are small, we can make steady discharges at less than 0.1 Pa. The neutron production rates per current are larger than those of glow discharge at higher pressure. We consider it should suggest the validity of reducing operating pressure in IECF devices.
