Characteristics of SEP Events and Their Solar Origin During the Evolution of Active Region NOAA 10069
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DOI: 10.1007/s11207-019-1400-3
Abstract: We present the results of a comparative analysis of the properties of a series of successive solar flares, which occurred in active region (AR) 10069 in August 2002, and the associated solar energetic particle (SEP)… read more here.
Keywords: region; characteristics sep; sep events; active region ... See more keywords
Sixty Years of Element Abundance Measurements in Solar Energetic Particles
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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 the Impact of Past Extreme Solar Events on the Modern Air Traffic
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DOI: 10.1029/2020sw002665
Abstract: The ancient solar energetic particle (SEP) events of 774/775 CE and 993/994 CE were characterized thanks to radionuclide productions stored in environmental archives as ice cores or tree rings. Primary cosmic ray spectra deduced from… read more here.
Keywords: extreme sep; air traffic; past extreme; sep events ... See more keywords
The Evolution of Research on Abundances of Solar Energetic Particles
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DOI: 10.3390/universe7080292
Abstract: Sixty years of study of energetic particle abundances have made a major contribution to our understanding of the physics of solar energetic particles (SEPs) or solar cosmic rays. An early surprise was the observation in… read more here.
Keywords: research abundances; energetic particles; evolution research; solar energetic ... See more keywords