Accès ouvert
2026
software
OpenAlex
PlasmaPy Community, Nicholas A. Murphy, E. T. Everson, Dominik Stańczak-Marikin et autres
PlasmaPy is an open source Python package for plasma research and education. PlasmaPy is intended to contain core functionality needed by plasma scientists across disciplines. The plasmapy.particles subpackage contains object-oriented and functional interfaces to represent and access basic particle data. The plasmapy.formulary …
us, in, cz, gb, kr, no, ru, fr, pl, de, nz
(code pays fourni par la source)
2025
article
OpenAlex
P. E. Adamson, Darryl J. Watkins, Michael V. Pak, A. S. Richardson et autres
A semiclassical model based on the Gryzinski theory is used to compute vibrationally resolved electron-impact ionization cross sections for molecular nitrogen. This model extends the approach used by Wünderlich for molecular hydrogen and its isotopomeres. The multireference configuration interaction (MRCI) method in …
us
(code pays fourni par la source)
Accès ouvert
2025
article
OpenAlex
E. R. Kaiser, S. L. Jackson, S. B. Swanekamp, D. D. Hinshelwood et autres
An optical emission spectroscopic (OES) and imaging characterization is conducted on N2 plasmas generated by a 100 keV fast-pulsed electron beam. The electron beams are injected into an N2 gas filled volume with a current of 4.5 kA (300 A/cm2) and a …
us
(code pays fourni par la source)
Accès ouvert
2024
review
OpenAlex
Johnson Mbabazi, Fiona MacGregor, Jeff Breckon, Barry Tolchard et autres
Physical activity (PA) is widely recognised as being integral to physical and mental wellbeing. The World Health Organisation recommends around 150–300 minutes of moderately intense PA per week for adults aged 18–64 years. Physical inactivity costs the UK £7.4 billion per year …
gb
(code pays fourni par la source)
2023
article
OpenAlex
S. B. Swanekamp, P. E. Adamson, N. D. Isner, A. S. Richardson
The number of electron–ion pairs and the distribution of excited species created by the passage of an intense electron beam in a gas are important parameters for many applications. The previously published values for molecular nitrogen rely on a differential ionization cross …
us
(code pays fourni par la source)
2023
conference-abstract
OpenAlex
Peter Stoltz, D. W. Crews, Jonny Dadras, I. A. Datta et autres
Zap Energy is pursuing a sheared-flow-stabilized Z-pinch as the core of a fusion reactor technology. Recent experimental efforts have demonstrated currents higher than 600 kA and electron temperatures higher than lkeV. Some of the open questions for this concept are how the …
us
(code pays fourni par la source)
Accès ouvert
2022
preprint
OpenAlex
A. S. Richardson
These are the slides used in the RBSP Online Seminar presentation (March 25, 2022), which describe ray tracing calculations to study VLF wave dynamics in the magnetosphere.
us
(code pays fourni par la source)
2022
conference-paper
OpenAlex
N. D. Isner, A. S. Richardson, S. B. Swanekamp, P. E. Adamson
A previous study compared an electron beam plasma experiment to a rigid beam model [1]. With the inclusion of beam impact ionization events, the results showed good agreement (within ~1.5 factor) at pressures between 1 and 10 Torr. The reduced chemistry set …
us
(code pays fourni par la source)
2022
conference-paper
OpenAlex
S. B. Swanekamp, N. D. Isner, A. S. Richardson
The interaction of energetic electrons with air and its constituents is important to understanding the aurora and the interactions of energetic charged particles from coronal mass ejections. As the beam collides with the gas particles, energetic electrons collisionally excite the gas and …
us
(code pays fourni par la source)
2022
conference-abstract
OpenAlex
S. L. Jackson, D. D. Hinshelwood, E. R. Kaiser, S. B. Swanekamp et autres
Time-dependent visible and near-ultraviolet emission spectroscopy was used to track the presence of excited and ionized states induced as an electron beam transited a cavity filled with air at low pressures. An electron beam was produced in vacuum using a Febetron pulsed-power …
us
(code pays fourni par la source)
2022
conference-abstract
OpenAlex
J. C. Foster, John W. McClory, S. B. Swanekamp, D. D. Hinshelwood et autres
A pinched-beam diode (PBD) consists of a thin annular cathode which emits electrons that are accelerated toward a planar anode. Once the energy deposited by the electrons on the anode is sufficiently large, a plasma forms on the anode and the electrons …
us
(code pays fourni par la source)
2022
article
OpenAlex
J. C. Foster, John W. McClory, S. B. Swanekamp, D. D. Hinshelwood et autres
Particle-in-cell simulations of a 1.6 MV, 800 kA, and 50 ns pinched-beam diode have been completed with emphasis placed on the quality of the ion beams produced. Simulations show the formation of multiple regions in the electron beam flow characterized by locally …
us
(code pays fourni par la source)