All Stories

  1. Helium-3 Enrichment in Gradual Solar Energetic Particle Events: Evidence for a Jet-supplied Seed Population

    Article • March 2026, Copernicus GmbH

    Radoslav Bucik

  2. Solar sources of impulsive solar energetic particle events with high 3He content 

    Article • March 2026, Copernicus GmbH

    Radoslav Bucik

  3. Origin of the Unusual Heavy‑Ion Composition in 3He‑Rich Solar Energetic Particles

    Article • December 2025, Wiley

    Radoslav Bucik

  4. Helium-3 Enrichment in Gradual Solar Energetic Particle Events: Evidence for a Jet-supplied Seed Population

    Article • The Astrophysical Journal, December 2025, American Astronomical Society

    Radoslav Bucik

  5. Effect of Initial Current Sheet and Stratification on Reconnection and Coronal Heating

    Article • The Astrophysical Journal, October 2025, American Astronomical Society

    Radoslav Bucik

  6. Polytropic Behavior in Corotating Interaction Regions: Evidence of Alfvénic Heating

    Article • The Astrophysical Journal Letters, April 2025, American Astronomical Society

    Radoslav Bucik

  7. On the identification of the solar sources of 3He-rich solar energetic events

    Article • March 2025, Copernicus GmbH

    Radoslav Bucik

  8. Origin of Unusual Composition of 3He-Rich Solar Energetic Particles 

    Article • March 2025, Copernicus GmbH

    Radoslav Bucik

  9. Origin of the Unusual Composition of 3He-rich Solar Energetic Particles

    Article • The Astrophysical Journal, March 2025, American Astronomical Society

    Radoslav Bucik

  10. Fe/O Variations Relative to Source Longitude and Heliospheric Current Sheet in Large Solar Energetic Particle Events

    Article • The Astrophysical Journal, December 2024, American Astronomical Society

    Radoslav Bucik

  11. A Rapid Sequence of Solar Energetic Particle Events Associated with a Series of Extreme-ultraviolet Jets: Solar Orbiter, STEREO-A, and Near-Earth Spacecraft Observations

    Article • The Astrophysical Journal, October 2024, American Astronomical Society

    Radoslav Bucik

  12. Spectral Properties and the Influence of Coronal Mass Ejections in 3He-rich Solar Energetic Particle Events

    Article • The Astrophysical Journal, October 2024, American Astronomical Society

    Radoslav Bucik

  13. Preferential acceleration of heavy ions in magnetic reconnection: Hybrid-kinetic simulations with electron inertia

    Article • EAS Publications Series, May 2024, EDP Sciences

    Radoslav Bucik

  14. Multispacecraft Energetic Particle Enhancements Associated with a Single Corotating Interaction Region

    Article • The Astrophysical Journal, February 2024, American Astronomical Society

    Radoslav Bucik

  15. Heavy-ion Acceleration in 3He-rich Solar Energetic Particle Events: New Insights from Solar Orbiter

    Article • The Astrophysical Journal, November 2023, American Astronomical Society

    Radoslav Bucik

  16. Impulsive Solar Energetic Particle Events: A Pathway to Understanding the Sun

    Article • July 2023, American Astronomical Society

    Radoslav Bucik

  17. Editorial: Reviews in space physics

    Article • Frontiers in Astronomy and Space Sciences, July 2023, Frontiers

    Radoslav Bucik

  18. Recurrent 3He-rich solar energetic particle injections observed by Solar Orbiter at ∼0.5 au

    Article • EAS Publications Series, May 2023, EDP Sciences

    Radoslav Bucik

  19. Solar activities associated with 3He-rich solar energetic particle events observed by Solar Orbiter

    Article • Frontiers in Astronomy and Space Sciences, March 2023, Frontiers

    Radoslav Bucik

  20. Recurrent 3He-rich solar energetic particle injections observed by Solar Orbiter at ~0.5 au

    Article • February 2023, Copernicus GmbH

    Radoslav Bucik

  21. Solar Activities Associated with 3He-rich Solar Energetic Particle Events Observed by Solar Orbiter

    Article • February 2023, Copernicus GmbH

    Radoslav Bucik

  22. The 18–19 March 2022 series of 3He-rich events observed by Solar Orbiter at 0.36 au compared with EUV, X-ray, and radio observations

    Article • EAS Publications Series, January 2023, EDP Sciences

    Radoslav Bucik

  23. The first gradual solar energetic particle event with an enhanced 3He abundance on Solar Orbiter

    Article • EAS Publications Series, December 2022, EDP Sciences

    Radoslav Bucik

  24. Statistical Study and Live Catalog of Multispacecraft 3He-rich Time Periods over Solar Cycles 23, 24, and 25

    Article • The Astrophysical Journal Supplement Series, November 2022, American Astronomical Society

    Radoslav Bucik

  25. Multi-Spacecraft Observations of Gradual Solar Energetic Particle Events with Enhanced 3He Abundance

    Article • March 2022, Copernicus GmbH

    Radoslav Bucik, Robert Wimmer-Schweingruber

  26. Preferential Acceleration of Heavy Ions in a Spontaneously Fragmenting Flare Current Sheet

    Article • The Astrophysical Journal, March 2022, American Astronomical Society

    Radoslav Bucik

  27. Impulsive Solar Energetic Particle Events: Extreme-Ultraviolet Waves and Jets

    Article • Frontiers in Astronomy and Space Sciences, January 2022, Frontiers

    Radoslav Bucik

  28. Multi-spacecraft Observations of Gradual Solar Energetic Particle Events with Enhanced 3He Abundance

    Article • December 2021, Wiley

    Radoslav Bucik

  29. Optimization of X-ray Flare Time Profile Parameters for Space Weather Applications

    Article • December 2021, Wiley

    Radoslav Bucik

  30. The Long Period of 3He-rich Solar Energetic Particles Measured by Solar Orbiter 2020 November 17–23

    Article • December 2021, Wiley

    Radoslav Bucik

  31. The first widespread solar energetic particle event observed by Solar Orbiter on 2020 November 29

    Article • EAS Publications Series, June 2021, EDP Sciences

    Radoslav Bucik

  32. Solar Energetic Electron Events Associated with Hard X-Ray Flares

    Article • The Astrophysical Journal, May 2021, American Astronomical Society

    Radoslav Bucik

  33. The long period of 3He-rich solar energetic particles measured by Solar Orbiter 2020 November 17-23

    Article • EAS Publications Series, May 2021, EDP Sciences

    Radoslav Bucik

  34. 3He rich periods measured by the Suprathermal Ion Telescope (SIT) on STEREO-A during solar cycle 24

    Article • March 2021, Copernicus GmbH

    Radoslav Bucik

  35. Solar Energetic Electron Events Associated with Hard X-ray Flares 

    Article • March 2021, Copernicus GmbH

    Radoslav Bucik

  36. Temperature in Solar Sources of 3He-rich Solar Energetic Particles and Relation to Ion Abundances

    Article • The Astrophysical Journal, February 2021, American Astronomical Society

    Radoslav Bucik

  37. First near-relativistic solar electron events observed by EPD onboard Solar Orbiter

    Article • EAS Publications Series, January 2021, EDP Sciences

    Radoslav Bucik

  38. 3He-rich solar energetic particle events observed on the first perihelion pass of Solar Orbiter

    Article • EAS Publications Series, November 2020, EDP Sciences

    Radoslav Bucik

  39. The Solar Orbiter Science Activity Plan

    Article • EAS Publications Series, September 2020, EDP Sciences

    Radoslav Bucik

  40. 3He-Rich Solar Energetic Particles: Solar Sources

    Article • Space Science Reviews, March 2020, Springer Science + Business Media

    Radoslav Bucik

  41. 3He-rich Solar Energetic Particle Observations at the Parker Solar Probe and near Earth

    Article • The Astrophysical Journal Supplement Series, February 2020, American Astronomical Society

    Radoslav Bucik

  42. 3 He-rich Solar Energetic Particles from Sunspot Jets

    Article • The Astrophysical Journal Letters, December 2018, American Astronomical Society

    Radoslav Bucik

  43. Spectroscopic EUV observations of impulsive solar energetic particle event sources

    Article • EAS Publications Series, September 2018, EDP Sciences

    Radoslav Bucik

  44. Interpretation of increased energetic particle flux measurements by SEPT aboard the STEREO spacecraft and contamination

    Article • EAS Publications Series, March 2018, EDP Sciences

    Radoslav Bucik

  45. 3He-rich Solar Energetic Particles in Helical Jets on the Sun

    Article • The Astrophysical Journal, January 2018, American Astronomical Society

    Radoslav Bucik

  46. Solar Energetic Particles (SEP) and Galactic Cosmic Rays (GCR) as tracers of solar wind conditions near Saturn: Event lists and applications

    Article • Icarus, January 2018, Elsevier

    Radoslav Bucik

  47. Temperature of Source Regions of 3He-Rich Impulsive Solar Energetic Particle Events

    Article • Proceedings of the International Astronomical Union, July 2017, Cambridge University Press

    Radoslav Bucik

  48. Sunward-propagating Solar Energetic Electrons inside Multiple Interplanetary Flux Ropes

    Article • The Astrophysical Journal, May 2017, American Astronomical Society

    Radoslav Bucik

  49. ASSOCIATION OF3He-RICH SOLAR ENERGETIC PARTICLES WITH LARGE-SCALE CORONAL WAVES

    Article • The Astrophysical Journal, December 2016, American Astronomical Society

    Radoslav Bucik

  50. Energy spectra of3He-rich solar energetic particles associated with coronal waves

    Article • Journal of Physics Conference Series, November 2016, Institute of Physics Publishing

    Radoslav Bucik

  51. Observations of solar X-ray and EUV jets and their related phenomena

    Article • Astronomische Nachrichten, November 2016, Wiley

    Radoslav Bucik

  52. OBSERVATIONS OF EUV WAVES IN3He-RICH SOLAR ENERGETIC PARTICLE EVENTS

    Article • The Astrophysical Journal, October 2015, American Astronomical Society

    Radoslav Bucik

  53. Long-lived energetic particle source regions on the Sun

    Article • Journal of Physics Conference Series, September 2015, Institute of Physics Publishing

    Radoslav Bucik

  54. Case studies of multi-day3He-rich solar energetic particle periods

    Article • EAS Publications Series, July 2015, EDP Sciences

    Radoslav Bucik

  55. STUDY OF SOLAR ENERGETIC PARTICLE ASSOCIATIONS WITH CORONAL EXTREME-ULTRAVIOLET WAVES

    Article • The Astrophysical Journal, July 2015, American Astronomical Society

    Radoslav Bucik

  56. Solar wind control of the terrestrial magnetotail as seen by STEREO

    Article • Journal of Geophysical Research Space Physics, August 2014, American Geophysical Union (AGU)

    Radoslav Bucik

  57. MULTI-SPACECRAFT OBSERVATIONS OF RECURRENT3He-RICH SOLAR ENERGETIC PARTICLES

    Article • The Astrophysical Journal, April 2014, American Astronomical Society

    Radoslav Bucik

  58. THE SOURCE REGIONS OF SOLAR ENERGETIC PARTICLES DETECTED BY WIDELY SEPARATED SPACECRAFT

    Article • The Astrophysical Journal, December 2013, American Astronomical Society

    Radoslav Bucik

  59. Dynamics of the Earth Radiation Belts During the Strong Magnetic Storms

    Article • November 2013, Springer Science + Business Media

    Radoslav Bucik

  60. [sup 3]He-rich SEP events observed by STEREO-A

    Article • January 2013, American Institute of Physics

    Radoslav Bucik

  61. Abundances of Suprathermal Heavy Ions in CIRs During the Minimum of Solar Cycle 23

    Article • Solar Physics, August 2012, Springer Science + Business Media

    Radoslav Bucik

  62. Observations of the longitudinal spread of solar energetic particle events in solar cycle 24

    Article • January 2012, American Institute of Physics

    Radoslav Bucik

  63. STEREO OBSERVATIONS OF THE ENERGETIC HEAVY IONS DURING THE MINIMUM OF SOLAR CYCLE 23

    Article • June 2011, World Scientific Pub Co Pte Lt

    Radoslav Bucik

  64. STEREO observations of the energetic ions in tilted corotating interaction regions

    Article • Journal of Geophysical Research Atmospheres, June 2011, American Geophysical Union (AGU)

    Radoslav Bucik

  65. On the origin of the energetic ion events measured upstream of the Earth's bow shock by STEREO, Cluster, and Geotail

    Article • Journal of Geophysical Research Atmospheres, February 2011, American Geophysical Union (AGU)

    Radoslav Bucik

  66. Moderate geomagnetic storm (21-22 January 2005) triggered by an outstanding coronal mass ejection viewed via energetic neutral atoms

    Article • Journal of Geophysical Research Atmospheres, August 2010, American Geophysical Union (AGU)

    Radoslav Bucik

  67. On acceleration of <1 MeV/n He ions in the corotating compression regions near 1 AU: STEREO observations

    Article • Annales Geophysicae, September 2009, Copernicus GmbH

    Radoslav Bucik

  68. STEREO Observations of Energetic Ions in Corotating Interaction Regions During the May 2007 Solar Events

    Article • Solar Physics, September 2009, Springer Science + Business Media

    Radoslav Bucik

  69. In situ Observations of CIRs on STEREO, Wind, and ACE During 2007 – 2008

    Article • Solar Physics, April 2009, Springer Science + Business Media

    Radoslav Bucik

  70. Multiple-spacecraft study of an extended magnetic structure in the solar wind

    Article • Journal of Geophysical Research Atmospheres, February 2009, American Geophysical Union (AGU)

    Radoslav Bucik

  71. On transmissivity of low energy cosmic rays in disturbed magnetosphere

    Article • Advances in Space Research, October 2008, Elsevier

    Radoslav Bucik

  72. SIMULATION OF A TIME-OF-FLIGHT TELESCOPE FOR SUPRATHERMAL IONS IN THE HELIOSPHERE

    Article • June 2008, World Scientific Pub Co Pte Lt

    Radoslav Bucik

  73. Satellite observations of lightning-induced hard X-ray flux enhancements in the conjugate region

    Article • Annales Geophysicae, August 2006, Copernicus GmbH

    Radoslav Bucik

  74. Changes of geomagnetic transmissivity in the disturbed magnetosphere: ground-based and CORONAS-F observations

    Article • Czechoslovak Journal of Physics, June 2006, Springer Science + Business Media

    Radoslav Bucik

  75. Ionospheric plasma response to the seismic activity

    Article • Physics and Chemistry of the Earth Parts A/B/C, January 2006, Elsevier

    Radoslav Bucik

  76. Gamma rays in <i>L-B</i> coordinates at CORONAS-I altitude

    Article • Annales Geophysicae, September 2005, Copernicus GmbH

    Radoslav Bucik

  77. Review of electron fluxes within the local drift loss cone: Measurements on CORONAS-I

    Article • Advances in Space Research, January 2005, Elsevier

    Radoslav Bucik

  78. Spatial distribution of low energy gamma-rays associated with trapped particles

    Article • Advances in Space Research, December 2002, Elsevier

    Radoslav Bucik

  79. Effects of the April 1994 Forbush events on the fluxes of the energetic charged particles measured on board CORONAS-I: their connection with conditions in the interplanetary medium

    Article • Journal of Atmospheric and Solar-Terrestrial Physics, March 2002, Elsevier

    Radoslav Bucik