Recent developments in particle acceleration at shocks: theory and observations

S Perri, A Bykov, H Fahr, H Fichtner… - Space Science Reviews, 2022 - Springer
Energetic particles represent an important component of the plasma in the heliosphere.
They range from particles accelerated at impulsive events in the solar corona and at large …

Turbulence in the outer heliosphere

F Fraternale, L Adhikari, H Fichtner, TK Kim… - Space Science …, 2022 - Springer
The solar wind (SW) and local interstellar medium (LISM) are turbulent media. Their
interaction is governed by complex physical processes and creates heliospheric regions …

Antiprotons and elementary particles over a solar cycle: Results from the Alpha Magnetic Spectrometer

M Aguilar, G Ambrosi, H Anderson, L Arruda, N Attig… - Physical Review Letters, 2025 - APS
We present results over an 11-year Solar cycle of cosmic antiprotons based on 1.1× 10 6
events in the rigidity range from 1.00 to 41.9 GV. The p¯ fluxes exhibit distinct properties …

Astrospheres of planet-hosting cool stars and beyond⋅ when modeling meets observations

K Herbst, LR Baalmann, A Bykov, NE Engelbrecht… - Space Science …, 2022 - Springer
Thanks to dedicated long-term missions like Voyager and GOES over the past 50 years,
much insight has been gained on the activity of our Sun, the solar wind, its interaction with …

Revised reconstruction of the heliospheric modulation potential for 1964–2022

P Väisänen, I Usoskin, R Kähkönen… - Journal of …, 2023 - Wiley Online Library
Galactic cosmic rays (GCRs) im**e on the Earth's atmosphere and generate showers of
secondary particles in nuclear collisions with the atmospheric constituents. The flux of GCR …

[HTML][HTML] Long-term solar variability: ISWAT S1 cluster review for COSPAR space weather roadmap

AA Pevtsov, D Nandy, I Usoskin, AA Pevtsov… - Advances in Space …, 2023 - Elsevier
Abstract The Committee on Space Research (COSPAR) is updating its Roadmap on Space
Weather. As input for this update, the COSPAR International Space Weather Action Teams …

Unfolding drift effects for cosmic rays over the period of the Sun's magnetic field reversal

OPM Aslam, X Luo, MS Potgieter… - The Astrophysical …, 2023 - iopscience.iop.org
A well-established, comprehensive 3D numerical modulation model is applied to simulate
galactic protons, electrons, and positrons from 2011 May to 2015 May, including the solar …

Cosmic-Ray Transport in the Presence of a Fisk-type Heliospheric Magnetic Field: Investigating the Influence of Drift

JS Troskie, NE Engelbrecht… - The Astrophysical Journal, 2024 - iopscience.iop.org
Drifts due to the gradients in, and curvatures of, the heliospheric magnetic field (HMF) play a
significant role in the transport of galactic cosmic rays (GCRs) in the heliosphere. Although …

On Calculating Diffusion Coefficients Numerically in Synthetic Turbulence Using Particle Pushers

PL Els, NE Engelbrecht - The Astrophysical Journal, 2024 - iopscience.iop.org
Numerical simulations of test particle transport in the presence of synthetic turbulence with
known properties still provide the most reliable estimations of the diffusion coefficients of …

Parallel Diffusion Coefficient of Energetic Charged Particles in the Inner Heliosphere from the Turbulent Magnetic Fields Measured by Parker Solar Probe

X Chen, J Giacalone, F Guo… - The Astrophysical …, 2024 - iopscience.iop.org
Diffusion coefficients of energetic charged particles in turbulent magnetic fields are a
fundamental aspect of diffusive transport theory but remain incompletely understood. In this …