Results 221 to 230 of about 190,947 (267)
Some of the next articles are maybe not open access.
Fast-Ion Confinement and Fast-Ion-Induced Effects in Stellarators
Fusion Science and Technology, 2004This work presents a concise overview of some energetic particle issues in stellarators. The main attention is paid to stochastic diffusion of the energetic ions and Alfven instabilities caused by these ions. The results of theoretical studies and numerical modeling of Alfvenic activities, in particular, experiments on the Wendelstein 7-AS and Large ...
Kolesnichenko, Y. +7 more
openaire +3 more sources
Radiation Research, 2000
A first step in the dosimetry of fast-ion beams is the determination of accurate Bragg (ionization) functions. Bragg functions for several substances have been measured and calculated for 3480 MeV carbon ions. In the measurements, the ions first traverse an absorber in which the energy is reduced to either 1900 or 1200 MeV, then a "range gauge ...
H, Bichsel, T, Hiraoka, K, Omata
openaire +2 more sources
A first step in the dosimetry of fast-ion beams is the determination of accurate Bragg (ionization) functions. Bragg functions for several substances have been measured and calculated for 3480 MeV carbon ions. In the measurements, the ions first traverse an absorber in which the energy is reduced to either 1900 or 1200 MeV, then a "range gauge ...
H, Bichsel, T, Hiraoka, K, Omata
openaire +2 more sources
Fast inelastic ion-ion, ion-electron, and ion-positron collisions
Physical Review A, 1993We present scaling relations for the total cross sections and collision strengths of bound-state excitation in positive ions. The colliding particle can be positively or negatively charged and can be a fully ionized atom, an electron, or a positron.
, Chidichimo, , Schranz, , Zygelman
openaire +2 more sources
Fast Ion–Ion Collisions Simulation in Particle-in-Cell Method
Lobachevskii Journal of Mathematics, 2023zbMATH Open Web Interface contents unavailable due to conflicting licenses.
Chernoshtanov, I. +3 more
openaire +2 more sources
Double excitation of He by fast ions
Physical Review A, 1990Autoionization of He atoms following double excitation by electrons, protons, C{sup {ital Q}+} ({ital Q}=4--6), and F{sup {ital Q}+} ({ital Q}=7--9) ions has been studied. The electron-emission yields from the doubly excited 2{ital s}{sup 2}({sup 1}{ital S}), 2{ital s}2{ital p}({sup 1}{ital P}), and 2{ital p}{sup 2}({sup 1}{ital P}) states were ...
, Giese +9 more
openaire +2 more sources
2007
The sections in this article are 1 Introduction 2 Ionic Transport 3 NMR Methods 4 Correlation Functions 5 Examples of NMR Studies 6 Biographical Sketch Related ...
openaire +2 more sources
The sections in this article are 1 Introduction 2 Ionic Transport 3 NMR Methods 4 Correlation Functions 5 Examples of NMR Studies 6 Biographical Sketch Related ...
openaire +2 more sources
Fast beam-ion instability. II. Effect of ion decoherence
Physical Review E, 1995The ionization of residual gas by an electron beam in an accelerator generates ions that can resonantly couple to the beam through a wave propagating in the beam-ion system. A beam-ion instability is studied for a multibunch train, taking into account the decoherence of ion oscillations due to the ion frequency spread.
, Stupakov, , Raubenheimer, , Zimmermann
openaire +2 more sources
Physical Review Letters, 1959
The remarkably fast ion heating observed in highcurrent stabilized gas discharges naay be due partly to an ion relaxation process described by Schluter. To get an idea of how fast the compression mode energy can be given to the ions, Schluter's expression for the ion temperature e-folding time is used. In Zeta, for ion temperatures of 1, 10, and 100 ev,
openaire +1 more source
The remarkably fast ion heating observed in highcurrent stabilized gas discharges naay be due partly to an ion relaxation process described by Schluter. To get an idea of how fast the compression mode energy can be given to the ions, Schluter's expression for the ion temperature e-folding time is used. In Zeta, for ion temperatures of 1, 10, and 100 ev,
openaire +1 more source
2005
Fast ion conductors, sometimes referred to as superionic conductors or solid electrolytes, are solids with ionic conductivities that are comparable to those found in molten salts and aqueous solutions of strong electrolytes, i.e., 10-2-10 S cm-1. Such materials have been known of for a very long time and some typical examples of the conductivity are ...
openaire +1 more source
Fast ion conductors, sometimes referred to as superionic conductors or solid electrolytes, are solids with ionic conductivities that are comparable to those found in molten salts and aqueous solutions of strong electrolytes, i.e., 10-2-10 S cm-1. Such materials have been known of for a very long time and some typical examples of the conductivity are ...
openaire +1 more source
Damping of fast and ion cyclotron oblique waves in the multi‐ion fast solar wind
Journal of Geophysical Research: Space Physics, 2001A detailed linear analysis of the behavior of oblique fast waves in a multi‐ion low‐beta Vlasov plasma such as the solar wind is presented. It is shown that at very oblique propagation angles, proton fundamental and second harmonic cyclotron damping become dominant. The property of oblique fast waves can also be significantly changed in the presence of
Xing Li, Shadia Rifai Habbal
openaire +1 more source