Helicon-type radiofrequency plasma thrusters and magnetic plasma nozzles

K Takahashi - Reviews of Modern Plasma Physics, 2019 - Springer
Abstract Development of electrodeless radiofrequency plasma thrusters, eg, a helicon
thruster, has been one the of challenging topics for future high-power and long-lived electric …

Mach probes

KS Chung - Plasma sources science and technology, 2012 - iopscience.iop.org
A Mach probe (MP) is an electric probe system to deduce the plasma flow velocity from the
ratio of ion saturation currents. Generally, a typical MP is composed of two directional …

Grid-assisted co-sputtering method: background, advancement, and prospect

A Kosari Mehr, A Kosari Mehr - Plasma Chemistry and Plasma Processing, 2021 - Springer
In this paper, the incorporation of auxiliary grids/electrodes into the design of the sputtering
method is scrutinized by studying the impact of factors such as grid size, grid position, grid …

Experimental observation of a tripolar vortex in a plasma

A Okamoto, K Hara, K Nagaoka, S Yoshimura… - Physics of …, 2003 - pubs.aip.org
A tripolar vortex, three aligned vortices with alternate signs of polarity of rotation, has been
observed in a plasma for the first time. The tripolar vortex always appears with a deep …

Study of rareb decays with the DELPHI detector at LEP

DELPHI collaboration, W Adam, T Adye… - Zeitschrift für Physik C …, 1996 - Springer
Rare decays of beauty particles were studied in several charmless modes using the data
collected with the DELPHI detector at LEP from 1991 to 1994. These decays are mediated …

Experimental studies on ion acceleration and stream line detachment in a diverging magnetic field

K Terasaka, S Yoshimura, K Ogiwara, M Aramaki… - Physics of …, 2010 - pubs.aip.org
The flow structure of ions in a diverging magnetic field has been experimentally studied in
an electron cyclotron resonance plasma. The flow velocity field of ions has been measured …

Spontaneous Formation of a Plasma Hole in a Rotating Magnetized Plasma:<? format?> A Giant Burgers Vortex in a Compressible Fluid

K Nagaoka, A Okamoto, S Yoshimura, M Kono… - Physical review …, 2002 - APS
Spontaneous formation of a cylindrical density cavity, or” plasma hole,” has been observed
in a rotating magnetized plasma. Density of the plasma hole is one-tenth of that of ambient …

Charged particle flows in the beam extraction region of a negative ion source for NBI

S Geng, K Tsumori, H Nakano, M Kisaki… - Review of Scientific …, 2016 - pubs.aip.org
Experiments by a four-pin probe and photodetachment technique were carried out to
investigate the charged particle flows in the beam extraction region of a negative hydrogen …

Practical formula for Mach number probe diagnostics in weakly magnetized plasmas

T Shikama, S Kado, A Okamoto, S Kajita… - Physics of plasmas, 2005 - pubs.aip.org
A practical formula for Mach number probe diagnostics in unmagnetized and weakly
magnetized plasmas is proposed. The unmagnetized theoretical models are modified so as …

Plasma acceleration using a radio frequency self-bias effect

D Rafalskyi, A Aanesland - Physics of Plasmas, 2015 - pubs.aip.org
In this work plasma acceleration using a RF self-bias effect is experimentally studied. The
experiments are conducted using a novel plasma accelerator system, called Neptune …