37 citations · 188 across the 13 of their papers we have counts for
8 papers · 1 filter
Solar Cycle Variation of 0.3-1.29 MeV/nucleon Heavy Ion Composition during Quiet Times near 1 AU in Solar Cycles 23 and 24
B. L. Alterman, Mihir I. Desai, Maher A. Dayeh +2
We report on the annual variation of quiet-time suprathermal ion composition for C through Fe using Advanced Composition Explorer (ACE)/Ultra-Low Energy Isotope Spectrometer (ULEIS…
Modelling Solar Energetic Neutral Atoms from Solar Flares and CME-driven Shocks
Gang Li, Albert Y. Shih, Robert C. Allen +5
We examine the production of energetic neutral atoms (ENAs) in solar flares and CME-driven shocks and their subsequent propagation to 1 au. Time profiles and fluence spectra of sol…
Variable Ion Compositions of Solar Energetic Particle Events in the Inner Heliosphere: A Field-line Braiding Model with Compound Injections
Fan Guo, Lulu Zhao, Christina M. S. Cohen +8
We propose a model for interpreting highly variable ion composition ratios in solar energetic particles (SEP) events recently observed by Parker Solar Probe (PSP) at a…
Temperature in Solar Sources of 3He-rich Solar Energetic Particles and Relation to Ion Abundances
R. Bucik, S. M. Mulay, G. M. Mason +3
3He-rich solar energetic particles (SEPs) are believed to be accelerated in solar flares or jets by a mechanism that depends on the ion charge-to-mass (Q/M) ratio. It implies that…
Earth-affecting Solar Transients: A Review of Progresses in Solar Cycle 24
Jie Zhang, Manuela Temmer, Nat Gopalswamy +16
This review article summarizes the advancement in the studies of Earth-affecting solar transients in the last decade that encompasses most of solar cycle 24. The Sun Earth is an in…
Observations of the 2019 April 4 Solar Energetic Particle Event at the Parker Solar Probe
R. A. Leske, E. R. Christian, C. M. S. Cohen +33
A solar energetic particle event was detected by the Integrated Science Investigation of the Sun (ISOIS) instrument suite on Parker Solar Probe (PSP) on 2019 April 4 when the space…
Seed Population Pre-Conditioning and Acceleration Observed by Parker Solar Probe
N. A. Schwadron, S. Bale, J. Bonnell +42
A series of solar energetic particle (SEP) events were observed at Parker Solar Probe (PSP) by the Integrated Science Investigation of the Sun (\ISOIS) during the period from April…
Probing shock geometry via the charge to mass ratio dependence of heavy ion spectra from multiple spacecraft observations of the 2013 November 4 event
Lulu Zhao, Gang Li, G. M. Mason +5
In large SEP events, ions can be accelerated at CME-driven shocks to very high energies. Spectra of heavy ions in many large SEP events show features such as roll-overs or spectral…