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Sources of solar energetic particles [PDF]

Philosophical Transactions Series A, Mathematical, Physical, and Engineering Sciences, 2019
Solar energetic particles are an integral part of the physical processes related with space weather. We present a review for the acceleration mechanisms related to the explosive phenomena (flares and/or coronal mass ejections, CMEs) inside the solar corona.
L Vlahos, Anastasios Anastasiadis, A Papaioannou   +2 more
exaly   +6 more sources

Solar flares and energetic particles [PDF]

Philosophical Transactions Series A, Mathematical, Physical, and Engineering Sciences, 2012
Solar flares are now observed at all wavelengths from γ -rays to decametre radio waves. They are commonly associated with efficient production of energetic particles at all energies. These particles play a major role in the active Sun because they contain a large amount of the energy released during flares ...
Nicole Vilmer
exaly   +4 more sources

Energetic Neutral Atoms from Solar Energetic Particles due to Shocks: Inclusion of Upstream Particles

The Astrophysical Journal, 2023
Many aspects of solar energetic particles are not well understood, including their acceleration mechanism. There has been recent interest in the potential of energetic neutral atoms (ENAs) as remote probes of solar energetic particles (SEPs) and their ...
Brent M. Randol, Errol J. Summerlin, Jeewoo Park   +2 more
doaj   +2 more sources

Recent progress in the interaction between energetic particles and tearing modes [PDF]

National Science Review, 2022
Huishan Cai, Ding Li
exaly   +2 more sources

Solar energetic particles in the inner heliosphere: status and open questions [PDF]

Philosophical Transactions Series A, Mathematical, Physical, and Engineering Sciences, 2019
Anastasios Anastasiadis, D Lario, A Papaioannou   +2 more
exaly   +2 more sources

The Energetic Particle Detector [PDF]

Astronomy & Astrophysics, 2020
After decades of observations of solar energetic particles from space-based observatories, relevant questions on particle injection, transport, and acceleration remain open. To address these scientific topics, accurate measurements of the particle properties in the inner heliosphere are needed. In this paper we describe the Energetic Particle Detector (
Rodriguez-Pacheco, J, Wimmer-Schweingruber, RF, Mason, GM, Ho, GC, Sanchez-Prieto, S, Prieto, M, Martin, C, Seifert, H, Andrews, GB, Kulkarni, SR, Panitzsch, L, Boden, S, Boettcher, SI, Cernuda, I, Elftmann, R, Espinosa Lara, F, Gomez-Herrero, R, Terasa, C, Almena, J, Begley, S, Boehm, E, Blanco, JJ, Boogaerts, W, Carrasco, A, Castillo, R, Da Silva Farina, A, De Manuel Gonzalez, V, Drews, C, Dupont, AR, Eldrum, S, Gordillo, C, Gutierrez, O, Haggerty, DK, Hayes, JR, Heber, B, Hill, ME, Juengling, M, Kerem, S, Knierim, V, Koehler, J, Kolbe, S, Kulemzin, A, Lario, D, Lees, WJ, Liang, S, Martinez Hellin, A, Meziat, D, Montalvo, A, Nelson, KS, Parra, P, Paspirgilis, R, Ravanbakhsh, A, Richards, M, Rodriguez-Polo, O, Russu, A, Sanchez, I, Schlemm, CE, Schuster, B, Seimetz, L, Steinhagen, J, Tammen, J, Tyagi, K, Varela, T, Yedla, M, Yu, J, Agueda, N, Aran, A, Horbury, TS, Klecker, B, Klein, K-L, Kontar, E, Krucker, S, Maksimovic, M, Malandraki, O, Owen, CJ, Pacheco, D, Sanahuja, B, Vainio, R, Connell, JJ, Dalla, S, Droege, W, Gevin, O, Gopalswamy, N, Kartavykh, YY, Kudela, K, Limousin, O, Makela, P, Mann, G, Onel, H, Posner, A, Ryan, JM, Soucek, J, Hofmeister, S, Vilmer, N, Walsh, AP, Wang, L, Wiedenbeck, ME, Wirth, K, Zong, Q   +98 more
openaire   +6 more sources

Particle-based energetic variational inference [PDF]

Statistics and Computing, 2021
We introduce a new variational inference (VI) framework, called energetic variational inference (EVI). It minimizes the VI objective function based on a prescribed energy-dissipation law. Using the EVI framework, we can derive many existing Particle-based Variational Inference (ParVI) methods, including the popular Stein Variational Gradient Descent ...
Yiwei Wang, Jiuhai Chen, Chun Liu 0009, Lulu Kang   +3 more
openaire   +3 more sources

Pitch-angle Distributions of 0.5–1 GeV Solar Protons Crossing Earth’s Orbit: Influence of the Large-scale Turbulent Interplanetary Magnetic Field

The Astrophysical Journal, 2023
Using numerical simulations, we analyze the time evolution of the pitch-angle distribution of 500 MeV and 1 GeV solar protons, released impulsively near the Sun, at 1 au. The numerical model solves the equations of motion of an ensemble of particles that
Ashraf Moradi, Joe Giacalone
doaj   +1 more source

On the Onset Delays of Solar Energetic Electrons and Protons: Evidence for a Common Accelerator

The Astrophysical Journal, 2023
The processes responsible for the acceleration of solar energetic particles (SEPs) are still not well understood, including whether SEP electrons and protons are accelerated by common or separate processes. Using a numerical particle transport model that
R. D. Strauss, N. Dresing, I. G. Richardson, J. P. van den Berg, P. J. Steyn   +4 more
doaj   +1 more source

Study on Long-Term Variation Characteristics of Geomagnetic Cutoff Rigidities of Energetic Protons Caused by Long-Term Variation of Geomagnetic Field

Frontiers in Earth Science, 2022
As a parameter that quantitatively measures the shielding effect of the Earth’s magnetic field on energetic particles, the geomagnetic cutoff rigidities will change significantly with the long-term change of geomagnetic field.
Wei Chu, Yanyan Yang, Song Xu, Gang Qin , Jianping Huang, Zhima Zeren, Xuhui Shen   +6 more
doaj   +1 more source