Results 21 to 30 of about 1,126,427 (279)
Negative ion research at the Culham Centre for Fusion Energy (CCFE)
New Journal of Physics, 2016 A summary of negative ion development work being presently undertaken at the Culham Centre for Fusion Energy is given. The small negative ion facility has an RF driven volume ion source with beam extraction at energies up to 30 keV. The extracted beam of
R McAdams +5 more
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Negative ions formed in N2/CH4/Ar discharge – a simulation of Titan's atmosphere chemistry [PDF]
, 2009 The formation of negative ions produced in a negative point-to-plane corona discharge fed by a Ar/N2//CH4/ gas mixture has been studied using mass spectrometry.
Bakes +15 more
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Resonance States of Negative Hydrogen-like Ions in Quantum Plasmas
Atoms, 2023 We studied the 1Se and 1,3Po resonance states of negative hydrogen-like ions immersed in quantum plasmas. The exponential cosine screened Coulomb potential was considered to model the quantum plasma environment.
Suya Yao, Zishi Jiang, Sabyasachi Kar
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Proceedings of the Royal Society of London. Series A - Mathematical and Physical Sciences, 1936 In a previous paper we have applied quantum-theoretical considerations to the passage of positive ions through gases, but in certain circumstances, as for example the electric discharge in iodine vapour, negative ions are of importance. Very little has been done in discussing theoretically the behaviour of such ions, and in fact there has ...
Massey, H. S. W., Smith, R. A.
openaire +1 more source
New Journal of Physics, 2017 Negative ion sources for fusion are high densities plasma sources in large discharge volumes. There are many challenges in the modeling of these sources, due to numerical constraints associated with the high plasma density, to the coupling between plasma
G Fubiani +4 more
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Effects of humidity on variation of negative corona-generated space charge in rod to plane electrode
The Journal of Engineering, 2019 The variation of negative corona-generated space charge related to the humidity has been systematically calculated and analysed by computational approaches.
Xingming Bian +5 more
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应用气象学报, 2023 The concentration of negative oxygen ions in air is an important index to evaluate the freshness and cleanliness of air. In recent years, it has become one hot topic concerned by governments and the public.
Zhang Chungui
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Diagnostics tools and methods for negative ion source plasmas, a review
New Journal of Physics, 2017 Plasma parameter measurements for negative hydrogen (H ^− ) ion sources have been playing an important role in clarifying fundamental physics related to negative ion production and destruction processes. Measured data of beam properties, such as H ^− ion
Katsuyoshi Tsumori, Motoi Wada
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Consequences of negative ions for Titan's plasma interaction
Geophysical Research Letters, 2012 A hybrid particle code has been used to examine how Titan's interaction with Saturn's magnetosphere is affected by the presence of negative ions in Titan's ionosphere.
Stephen A. Ledvina, Stephen H. Brecht
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Coulomb implosion mechanism of negative ion acceleration in laser plasmas
, 2008 Coulomb implosion mechanism of the negatively charged ion acceleration in laser plasmas is proposed. When a cluster target is irradiated by an intense laser pulse and the Coulomb explosion of positively charged ions occurs, the negative ions are ...
A. Yogo +65 more
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