82 citations · 493 across the 27 of their papers we have counts for
27 papers
Breakout/Interchange Reconnection as a driver of Jets, Fast CME, and Solar Energetic Particles
Pankaj Kumar, Judith T. Karpen, David Lario +4
Understanding how energetic particles are accelerated and released from the low corona into the interplanetary medium during solar eruptions is crucial for space weather research.…
A Tale of Two Shocks
Robert F. Wimmer-Schweingruber, Domenico Trotta, Rungployphan Kieokaew +23
Energetic particles in interplanetary space are normally measured at time scales that are long compared to the ion gyroperiod. Such observations by necessity average out the microp…
Simulation of solar energetic particle events originated from coronal mass ejection shocks with a data-driven physics-based transport model
Lei Cheng, Ming Zhang, Ryun Young Kwon +1
Solar energetic particle (SEP) events are associated with coronal mass ejections (CMEs) and/or solar flares. SEPs travel through the corona and interplanetary space to reach Earth,…
Revisiting Empirical Solar Energetic Particle Scaling Relations II. Coronal Mass Ejections
Athanasios Papaioannou, Konstantin Herbst, Tobias Ramm +2
Aims. The space radiation environment conditions and the maximum expected coronal mass ejection (CME) speed are being assessed through the investigation of scaling laws between the…
Acceleration and Release of Solar Energetic Particles Associated with a Coronal Shock on 2021 September 28 Observed by Four Spacecraft
Bin Zhuang, Noé Lugaz, David Lario +5
Extreme ultraviolet (EUV) waves are thought to be the propagating footprint of the shock on the solar surface. One of the key questions in SEP research is the timing of the SEP rel…
Irregular proton injection to high energies at interplanetary shocks
Domenico Trotta, Timothy S. Horbury, David Lario +8
How thermal particles are accelerated to suprathermal energies is an unsolved issue, crucial for many astrophysical systems. We report novel observations of irregular, dispersive e…
Solar Wind with Field Lines and Energetic Particles (SOFIE) Model: Application to Historical Solar Energetic Particle Events
Lulu Zhao, Igor Sokolov, Tamas Gombosi +7
In this paper, we demonstrate the applicability of the data-driven and self-consistent solar energetic particle model, Solar-wind with FIeld-lines and Energetic-particles (SOFIE),…
The eruption of a magnetic flux rope observed by \textit{Solar Orbiter} and \textit{Parker Solar Probe}
David M. Long, Lucie M. Green, Francesco Pecora +11
Magnetic flux ropes are a key component of coronal mass ejections, forming the core of these eruptive phenomena. However, determining whether a flux rope is present prior to erupti…
The effect of the ambient solar wind medium on a CME-driven shock and the associated gradual solar energetic particle event
Nicolas Wijsen, David Lario, Beatriz Sánchez-Cano +15
We present simulation results of a gradual solar energetic particle (SEP) event detected on 2021 October 9 by multiple spacecraft, including BepiColombo (Bepi) and near-Earth space…
On the seed population of solar energetic particles in the inner heliosphere
Nicolas Wijsen, Gang Li, Zheyi Ding +5
Particles measured in large gradual solar energetic particle (SEP) events are believed to be predominantly accelerated at shocks driven by coronal mass ejections (CMEs). Ion charge…
Interpretation of flat energy spectra upstream of fast interplanetary shocks
Silvia Perri, Giuseppe Prete, Gaetano Zimbardo +6
Interplanetary shocks are large-scale heliospheric structures often caused by eruptive phenomena at the Sun, and represent one of the main sources of energetic particles. Several i…
A data-driven physics-based transport model of solar energetic particles accelerated by coronal mass ejection shocks propagating through the solar coronal and heliospheric magnetic fields
Ming Zhang, Lei Cheng, Ju Zhang +5
In an effort to develop computational tools for predicting radiation hazards from solar energetic particles (SEPs), we have created a data-driven physics-based particle transport m…
Revisiting Empirical Solar Energetic Particle Scaling Relations I. Solar flares
Athanasios Papaioannou, Konstantin Herbst, Tobias Ramm +3
Aims The possible influence of solar superflares on the near-Earth space radiation environment are assessed through the investigation of scaling laws between the peak proton flux a…
Simulation of the Solar Energetic Particle Event on 2020 May 29 Observed by Parker Solar Probe
Lei Cheng, Ming Zhang, David Lario +3
This paper presents a stochastic three-dimensional (3D) focused transport simulation of solar energetic particles (SEPs) produced by a data-driven coronal mass ejection (CME) shock…
Tracking a beam of electrons from the low solar corona into interplanetary space with the Low Frequency Array, Parker Solar Probe and 1 au spacecraft
Samuel T. Badman, Eoin P. Carley, Luis Alberto Cañizares +7
Type III radio bursts are the result of plasma emission from mildly relativistic electron beams propagating from the low solar corona into the heliosphere where they can eventually…
CMEs and SEPs During November-December 2020: A Challenge for Real-Time Space Weather Forecasting
Erika Palmerio, Christina O. Lee, M. Leila Mays +20
Predictions of coronal mass ejections (CMEs) and solar energetic particles (SEPs) are a central issue in space weather forecasting. In recent years, interest in space weather predi…
In-situ Measurement of the Energy Fraction in Supra-thermal and Energetic Particles at ACE, Wind, and PSP Interplanetary Shocks
Liam David, Federico Fraschetti, Joe Giacalone +3
The acceleration of charged particles by interplanetary shocks (IPs) can drain a non-negligible fraction of the plasma pressure. In this study, we have selected 17 IPs observed in-…
Direct First PSP Observation of the Interaction of Two Successive Interplanetary Coronal Mass Ejections in November 2020
Teresa Nieves-Chinchilla, Nathalia Alzate, Hebe Cremades +18
We investigate the effects of the evolutionary processes in the internal magnetic structure of two interplanetary coronal mass ejections (ICMEs) detected in situ between 2020 Novem…
Observation-based modelling of the energetic storm particle event of 14 July 2012
Nicolas Wijsen, Angels Aran, Camilla Scolini +6
We model the energetic storm particle (ESP) event of 14 July 2012 using the energetic particle acceleration and transport model named PARADISE, together with the solar wind and cor…
Widespread 1-2 MeV Energetic Particles Associated with Slow and Narrow Coronal Mass Ejections: Parker Solar Probe and STEREO Measurements
Bin Zhuang, Noé Lugaz, David Lario
Suprathermal ions in the corona are thought to serve as seed particles for large gradual solar energetic particle (SEP) events associated with fast and wide coronal mass ejections…
The Long Period of 3He-rich Solar Energetic Particles Measured by Solar Orbiter on 2020 November 17-23
R. Bucik, G. M. Mason, R. Gomez-Herrero +31
We report observations of a relatively long period of 3He-rich solar energetic particles (SEPs) measured by Solar Orbiter. The period consists of several well-resolved ion injectio…
Energy Balance at Interplanetary Shocks: In-situ Measurement of the Fraction in Supra-thermal and Energetic Particles with ACE and Wind
Liam David, Federico Fraschetti, Joe Giacalone +3
The acceleration of charged particles by interplanetary shocks can drain a non-negligible fraction of the upstream ram pressure. For a sample of shocks observed in-situ at 1 AU by…
First year of energetic particle measurements in the inner heliosphere with Solar Orbiter's Energetic Particle Detector
R. F. Wimmer-Schweingruber, N. Janitzek, D. Pacheco +45
Solar Orbiter strives to unveil how the Sun controls and shapes the heliosphere and fills it with energetic particle radiation. To this end, its Energetic Particle Detector (EPD) h…
A Self-consistent Simulation of Proton Acceleration and Transport Near a High-speed Solar Wind Stream
Nicolas Wijsen, Evangelia Samara, Àngels Aran +3
Solar wind stream interaction regions (SIRs) are often characterized by energetic ion enhancements. The mechanisms accelerating these particles, as well as the locations where the…