Time-dependent transport of energetic particles in magnetic turbulence: computer simulations versus analytical theory
Sign Up to like & getrecommendations! Published in 2018 at "Astrophysics and Space Science"
DOI: 10.1007/s10509-018-3338-6
Abstract: We explore numerically the transport of energetic particles in a turbulent magnetic field configuration. A test-particle code is employed to compute running diffusion coefficients as well as particle distribution functions in the different directions of… read more here.
Keywords: energetic particles; theory; transport; turbulence ... See more keywords
Perpendicular Transport of Energetic Particles in Magnetic Turbulence
Sign Up to like & getrecommendations! Published in 2020 at "Space Science Reviews"
DOI: 10.1007/s11214-020-0644-4
Abstract: Scientists have explored how energetic particles such as solar energetic particles and cosmic rays move through a magnetized plasma such as the interplanetary and interstellar medium since more than five decades. From a theoretical point… read more here.
Keywords: energetic particles; perpendicular transport; transport; transport energetic ... See more keywords
Sixty Years of Element Abundance Measurements in Solar Energetic Particles
Sign Up to like & getrecommendations! Published in 2021 at "Space Science Reviews"
DOI: 10.1007/s11214-021-00845-4
Abstract: Sixty years ago the first observation was published showing solar energetic particles (SEPs) with a sampling of chemical elements with atomic numbers $6 \leq Z \leq 18$ 6 ≤ Z ≤ 18 above 40 MeV amu−1. Thus… read more here.
Keywords: fip; energetic particles; solar energetic; sep events ... See more keywords
Study of some characteristics of solar energetic particles and associated solar activities during 1996–2016
Sign Up to like & getrecommendations! Published in 2019 at "New Astronomy"
DOI: 10.1016/j.newast.2018.12.004
Abstract: Abstract Solar energetic particles (SEP) are believed to originate from two different sources, coronal mass ejections (CMEs) and solar flares. In this paper, we have also investigated some statistical properties such as speed, apparent angular… read more here.
Keywords: time; associated solar; study; 1996 2016 ... See more keywords
Time-dependent perpendicular transport of energetic particles in magnetic turbulence with transverse complexity
Sign Up to like & getrecommendations! Published in 2017 at "Physics of Plasmas"
DOI: 10.1063/1.4982805
Abstract: The motion of energetic particles in magnetic turbulence across a mean magnetic field is explored analytically. The approach presented here allows for a full time-dependent description of the transport, including compound sub-diffusion. For the first… read more here.
Keywords: energetic particles; turbulence; time; time dependent ... See more keywords
Toroidal modelling of resistive internal kink and fishbone instabilities
Sign Up to like & getrecommendations! Published in 2018 at "Physics of Plasmas"
DOI: 10.1063/1.5022208
Abstract: The influence of energetic particles and plasma resistivity on the n=1 ( n is the toroidal mode number) internal kink and fishbone modes in tokamak plasmas is numerically investigated, using the full toroidal, resistive magnetohydrodynamic-kinetic… read more here.
Keywords: mode; energetic particles; internal kink; resistive internal ... See more keywords
Nonlinear evolution of energetic-particles-driven waves in collisionless plasmas
Sign Up to like & getrecommendations! Published in 2018 at "Physics of Plasmas"
DOI: 10.1063/1.5028528
Abstract: A one-dimensional electrostatic collisionless particle-in-cell code has been developed to study the nonlinear interaction between electrostatic waves and energetic particles (EPs). For a single wave, the results are clear and agree well with the existing… read more here.
Keywords: order; energetic particles; nonlinear evolution; second order ... See more keywords
Theoretical studies and simulations of mode structure symmetry breaking in tokamak plasmas in the presence of energetic particles
Sign Up to like & getrecommendations! Published in 2019 at "Plasma Physics and Controlled Fusion"
DOI: 10.1088/1361-6587/ab00c6
Abstract: breaking in tokamak plasmas Z. X. Lu, X. Wang, A. Bottino, E. Fable, W. Hornsby, Ph. Lauber, F. Zonca, C. Angioni Max-Planck-Institut f?̈?r Plasmaphysik, Garching, Germany C.R. ENEA Frascati C.P. 65, 00044 Frascati, Italy The… read more here.
Keywords: symmetry breaking; mode structure; symmetry; breaking tokamak ... See more keywords
Dust charging and levitating in a sheath of plasma containing energetic particles
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DOI: 10.1088/1674-1056/27/2/025204
Abstract: The structure of the sheath in the presence of energetic particles is investigated in the multi-fluid framework. Based on the orbital motion limited (OML) theory, the dust grain charging inside the sheath of plasma containing… read more here.
Keywords: sheath; sheath plasma; dust particle; energetic particles ... See more keywords
Drift orbit islands of energetic particles due to 3D fields in ITER
Sign Up to like & getrecommendations! Published in 2021 at "Nuclear Fusion"
DOI: 10.1088/1741-4326/ac19fb
Abstract: In this paper, we report a comparative study of the orbit islands formed by the guiding center drift motion of test energetic particles (EPs), including both high-energy deuterium ions and fusion-born α-particles, with respect to… read more here.
Keywords: drift orbit; energetic particles; orbit islands; particle ... See more keywords
Synthetic NPA diagnostic for energetic particles in JET plasmas
Sign Up to like & getrecommendations! Published in 2017 at "Journal of Instrumentation"
DOI: 10.1088/1748-0221/12/11/c11025
Abstract: Neutral particle analysis (NPA) is one of the few methods for diagnosing fast ions inside a plasma by measuring neutral atom fluxes emitted due to charge exchange reactions. The JET tokamak feature ... read more here.
Keywords: diagnostic energetic; energetic particles; particles jet; synthetic npa ... See more keywords