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In this paper we analyze the problem of glow discharge in low pressure plasma in industrial plant, for chambers of different shapes and various working parameters, like pressure and electric potential. The model described is based upon a…

This paper proposes a novel approach for creating an inverse electron distribution function (EDF). Based on the obtained criteria for the formation of an inverse EDF in a non-uniform plasma, studies are conducted in low- and medium-pressure…

Plasma Physics · Physics 2025-05-20 Chengxun Yuan , E. A. Bogdanov , A. A. Kudryavtsev , Jingfeng Yao , Zhongxiang Zhou

Accurate gas temperature ($T_{\rm Gas}$) determination in microplasmas is critical for optimizing their applications, yet isolated diagnostic approaches may yield misleading results, especially under strong non-equilibrium conditions. Here,…

We report on a new technique of a Multi-Cathode Counter (MCC) developed to search for hidden photon (HP) cold dark matter (CDM) with a mass from 5 to 500 eV. The method is suggested in the assumption that HP-photon mixing causes emission of…

Instrumentation and Detectors · Physics 2016-06-20 A. V. Kopylov , I. V. Orekhov , V. V. Petukhov

The possibility of nuclear reactions within a low voltage DC deuterium discharge with palladium electrodes is addressed. The solid-state nuclear track detector known as CR-39 was chosen to investigate the emission of energetic charged…

Nuclear Experiment · Physics 2024-02-09 Erik P. Ziehm , George H. Miley

Plasma accelerators utilize strong electric fields in plasma waves to accelerate charged particles, making them a compact alternative to radiofrequency technologies. Discharge capillaries are plasma sources used in plasma accelerator…

Annihilation of Dark Matter (DM) particles has been recognized as one of the possible mechanisms for the production of non-thermal particles and radiation in galaxy clusters. Previous studies have shown that, while DM models can reproduce…

Cosmology and Nongalactic Astrophysics · Physics 2016-11-21 P. Marchegiani , S. Colafrancesco

A near-hollow plasma channel, where the plasma density in the channel is much less than the plasma density in the walls, is proposed to provide independent control over the focusing and accelerating forces in a plasma accelerator. In this…

Plasma Physics · Physics 2013-08-19 Carl B. Schroeder , Eric Esarey , Carlo Benedetti , Wim Leemans

Generation of anomalously energetic suprathermal electrons was observed in simulation of a high- voltage dc discharge with electron emission from the cathode. An electron beam produced by the emission interacts with the nonuniform plasma in…

Plasma Physics · Physics 2016-01-20 D. Sydorenko , I. D. Kaganovich , L. Chen , P. L. G. Ventzek

In given article preliminary results of the research of the electron multiplication in MPGD are presented at a high level of alpha-particles background. This work has expanded borders of understanding of the streamer mode nature. It is seen…

Instrumentation and Detectors · Physics 2010-09-16 V. I. Razin , A. I. Reshetin

Langmuir probe techniques have been used to study time and spatially resolved electron densities and electron temperatures in pulse-modulated hydrogen discharges in two different planar microwave reactors (fmicrowave= 2.45 GHz, tpulse= 1…

Plasma Physics · Physics 2009-11-07 A. Rousseau , E. Teboul , N. Lang , M. Hannemann , J. Röpcke

We discuss the physics of momentum diffusion in a charged plasma. Following the holographic strategy outlined in arXiv:2012.03999 we construct an open effective field theory for the low-lying modes of the conserved currents. The charged…

High Energy Physics - Theory · Physics 2022-05-10 Temple He , R. Loganayagam , Mukund Rangamani , Julio Virrueta

The addition of small amounts of $H_2$ were investigated in a DC glow discharge in $N_2$, at low pressure (~1 mbar) and low power (0.05 to 0.2 $W.cm^{-3}$). We quantified the electric field, the electron density, the ammonia production and…

In their rocksalt structure, rare-earth monosulfides offer a more stable alternative to alkali metals to attain low or negative electron affinity when deposited on various III-V and II-VI semiconductor surfaces. In this article, we first…

We report in this paper simulation results and experimental measurements to characterize a micro-discharge generated in a single micro cavity device operating in helium. By spatially limiting the cathode surface area using a dielectric…

We study the properties of a capacitive 13.56 MHz discharge properties with a mixture of Ar/C2H2 taking into account the plasmochemistry and growth of heavy hydrocarbons. A hybrid model was developed to combine the kinetic description for…

Plasma Physics · Physics 2009-11-13 D. A. Ariskin , I. V. Schweigert , A. L. Alexandrov , A. Bogaerts , F. M. Peeters

An elongated plasma column has been successfully generated and sustained in a linear plasma device using a hollow cathode discharge in the presence of an axisymmetric magnetic field. The confinement of cold energetic electrons produced near…

Plasma Physics · Physics 2025-12-30 Y. Patil , S. K. Karkari

Cathodoluminescence (CL) spectroscopy is a powerful technique for studying emission properties of optoelectronic materials because CL is free from excitable bandgap limits and from ambiguous signals due to simple light scattering and…

In steady-state, the plasma loss rate to the chamber wall is balanced by the ionization rate in the hot-filament discharges. This balance in the loss rate and ionization rate maintains the quasi--neutrality of the bulk plasma. In this…

Plasma Physics · Physics 2021-12-22 Mangilal Choudhary , P. K. Sreejith

A zero-dimensional (volume-averaged) and a pseudo-one-dimensional (plug-flow) model are developed to investigate atmospheric-pressure plasma jet devices operated with He, He/O$_2$, He/N$_2$ and He/N$_2$/O$_2$ mixtures. The models are…