List of Space Research Laboratory Publications and events linked to the individual Manuscripts

Space Research Laboratory Publications

2010

• Acceleration of Energetic Particles Through Self-Generated Waves in a Decelerating Coronal Shock, Battarbee, M.; Laitinen, T.; Vainio, R.; Agueda, N. TWELFTH INTERNATIONAL SOLAR WIND CONFERENCE. AIP Conference Proceedings, Volume 1216, pp. 84-87, 2010
• Extended 3He-rich Periods of Solar Energetic Particles in Structured Solar Wind, Kocharov, L.; Laivola, J.; Mason, G. M.; Didkovsky, L.; Judge, D. L. The Astrophysical Journal Supplement Series, Volume 176, Issue 2, pp. 497-510, 2010
• On the Effect of Pre-event Background in Determining Solar Particle Event Onset, Laitinen, T.; Huttunen-Heikinmaa, K.; Valtonen, E. TWELFTH INTERNATIONAL SOLAR WIND CONFERENCE. AIP Conference Proceedings, Volume 1216, pp. 249-252, 2010
• Solar Intensity X-ray and particle Spectrometer SIXS, Huovelin, J.; Vainio, R.; Andersson, H.; Valtonen, E.; Alha, L.; Mälkki, A.; Grande, M.; Fraser, G. W.; Kato, M.; Koskinen, H.; Muinonen, K.; Näränen, J.; Schmidt, W.; Syrjäsuo, M.; Anttila, M.; Vihavainen, T.; Kiuru, E.; Roos, M.; Peltonen, J.; Lehti, J.; Talvioja, M.; Portin, P.; Prydderch, M. Planetary and Space Science, Volume 58, Issue 1-2, p. 96-107, 2010

2009

• Observation of a solar energetic particle event behind previous coronal mass ejection, Al-Sawad, A.; Saloniemi, O.; Laitinen, T.; Kocharov, L. Astronomy and Astrophysics, Volume 497, Issue 1, pp.L1-L4, 2009
• Gradual Solar Energetic Particle Event Associated with a Decelerating Shock Wave, Kocharov, L.; Laitinen, T.; Al-Sawad, A.; Saloniemi, O.; Valtonen, E.; Reiner, M. J. The Astrophysical Journal Letters, Volume 700, Issue 1, pp. L51-L55, 2009
• History of cosmic ray research in Finland, Usoskin, I. G.; Valtonen, E.; Vainio, R.; Tanskanen, P. J.; Aurela, A.M. Advances in Space Research, Volume 44, Issue 10, p. 1232-1236, 2009

2008

• A New Approach to Interplanetary Transport of Solar Energetic Particles in Impulsive Events, Kocharov, L.; Pizzo, V. J.; Zwickl, R. D.; Valtonen, E, The Astrophysical Journal, Volume 680, Issue 1, pp. L69-L72, 2008
• Simulations of coronal shock acceleration in self-generated turbulence, Vainio, R.; Laitinen, T. Journal of Atmospheric and Solar-Terrestrial Physics, vol. 70, issue 2-4, pp. 467-474, 2008
• Sources of SEP Acceleration during a Flare - CME Event, Lehtinen, N. J.; Pohjolainen, S.; Huttunen-Heikinmaa, K.; Vainio, R.; Valtonen, E.; Hillaris, A.E. Solar Physics, Volume 247, Issue 1, pp.151-169, 2008

2007

• Cosmic-ray positron fraction measurement from 1 to 30 GeV with AMS-01, Torsti, J et. al., Physics Letters B, Volume 646, Issue 4, p. 145-154, 2007
• Scanning an Interplanetary Magnetic Cloud Using High-Energy Protons, Kocharov, L.; Saloniemi, O.; Torsti, J.; Kovaltsov, G.; Riihonen, E., The Astrophysical Journal, Volume 654, Issue 2, pp. 1121-1127, 2007
• High-Energy Protons Associated with Liftoff of a Coronal Mass Ejection. Kocharov, L.; Saloniemi, O.; Torsti, J.; Riihonen, E.; Lehti, J.; Klein, K.-L.; Didkovsky, L.; Judge, D. L.; Jones, A. R.; Pyle, R. The Astrophysical Journal, Volume 659, Issue 1, pp. 780-787, 2007
• Monte Carlo Simulations of Coronal Diffusive Shock Acceleration in Self-generated Turbulence, Vainio, R.; Laitinen, T., The Astrophysical Journal, Volume 658, Issue 1, pp. 622-630, 2007

2006

• An Interactive Program for Correlative Studies of Solar Energetic Particle Events, Al-Sawad, Amjad; Torsti, Jarmo; Hoffren, Hannu; Lehtomaki, Kari, eprint arXiv:astro-ph/0607191, 2006
• A search for two-component energetic proton events observed on board SOHO, Al-Sawad, Amjad; Torsti, Jarmo; Kocharov, Leon; Huttunen-Heikinmaa, Kalle, Journal of Geophysical Research, Volume 111, Issue A10, CiteID A10S90, 2006
• An Introduction in Solar Eruptions and Energetic Particles, ed. N. Gopalswamy, R. Mewaldt, and J. Torsti, Geophysical Monograph 165, p. 1-5, 2006
• Preface in Solar Eruptions and Energetic Particles, ed. N. Gopalswamy, R. Mewaldt, and J. Torsti, Geophysical Monograph 165, p. ix, 2006
• Statistical characteristics of energetic storm particle events, Huttunen-Heikinmaa, K.; Valtonen, E., 36th COSPAR Scientific Assembly. Held 16 - 23 July 2006, in Beijing, China., p.1565, 2006
• Modulation of Velocity Dispersion of Solar Energetic Particles by Pre-Event Background, Huttunen-Heikinmaa, K.; Valtonen, E.; Laitinen, T., SOHO-17. 10 Years of SOHO and Beyond, Proceedings of the conference held 7-12 May, 2006 at Giardini Naxos, Sicily, Italy. Edited by H. Lacoste and L. Ouwehand. ESA SP-617. European Space Agency, 2006. Published on CDROM, p.131.1, 2006
• Modeling the Energy-Dependent Charge States of Solar Energetic Particles, Kocharov, L., AGU Geophysical Monograph Series, v.165, pp. 137-145, 2006
• Prompt release and prolonged production of solar energetic particles during a large flare and coronal mass ejection on 1998 May 02, Kocharov, L.; Klein, K.-L.; Saloniemi, O.; Kovaltsov, G.; Torsti, J., 36th COSPAR Scientific Assembly. Held 16 - 23 July 2006, in Beijing, China., p.2897, 2006
• Radiation Environment Measurements from SOHO/ERNE during the Solar Cycle 23, Lehtinen, I.; Riihonen, E.; Valtonen, E., 36th COSPAR Scientific Assembly. Held 16 - 23 July 2006, in Beijing, China., p.2951, 2006
• On the Spectral Components of the June 2000 Solar Energetic Particle Events, Torsti, J.; Laivola, J.; Mäkelä, P.; et al., SOHO-17. 10 Years of SOHO and Beyond, Proceedings of the conference held 7-12 May, 2006 at Giardini Naxos, Sicily, Italy. Edited by H. Lacoste and L. Ouwehand. ESA SP-617. European Space Agency, 2006. Published on CDROM, p.126.1, 2006
• Great Storm Particle Event on 2000 August 11 Observed by SOHO ERNE, Torsti, J.; Mäkelä, P.; Riihonen, E.; Saloniemi, O., The Astrophysical Journal, Volume 638, Issue 1, pp. 530-538, 2006
• Geoeffective coronal mass ejections and energetic particles, Valtonen, E, AGU Geophysical Monograph, Vol. 165, p. 335, 2006

2005

• A study of cosmic ray secondaries induced by the Mir space station using AMS-01, Torsti, J et. al., Nuclear Instruments and Methods in Physics Research Section B, Volume 234, Issue 3, p. 321-332, 2005
• Introduction to special section on Solar Coronal Mass Ejections and Energetic Particles, Gopalswamy, Nat; Torsti, J., Journal of Geophysical Research, Volume 110, Issue A12, CiteID A12S00, 2005
• Space-Based Optical Observations of Space Debris, Flohrer, T.; Peltonen, J.; Kramer, A.; Eronen, T.; Kuusela, J.; Riihonen, E.; Schildknecht, T.; Stöveken, E.; Valtonen, E.; Wokke, F.; Flury, W., Proceedings of the 4th European Conference on Space Debris (ESA SP-587). 18-20 April 2005, ESA/ESOC, Darmstadt, Germany. Editor: D. Danesy., p.165, 2005
• Energetic Particle Associations to Interplanetary Shocks During Seven Years of SOHO/ERNE, Huttunen-Heikinmaa, K et.al., Proceedings of the 29th International Cosmic Ray Conference. August 3-10, 2005, Pune, India. Edited by B. Sripathi Acharya, Sunil Gupta, P. Jagadeesan, Atul Jain, S. Karthikeyan, Samuel Morris, and Suresh Tonwar. Mumbai: Tata Institute of Fundamental Research, 2005. Volume 1, p.59, 2005
• Proton and helium release times in SEP events observed with SOHO/ERNE , Huttunen-Heikinmaa, K.; Valtonen, E.; Laitinen, T., Astronomy and Astrophysics, Volume 442, Issue 2, November I 2005, pp.673-685, 2005
• Modeling the solar energetic particle events in closed structures of interplanetary magnetic field, Kocharov, L.; Kovaltsov, G. A.; Torsti, J.; Huttunen-Heikinmaa, K., Journal of Geophysical Research, Volume 110, Issue A12, CiteID A12S03, 2005
• Modeling the Shock Aftermath Source of Energetic Particles in the Solar Corona, Kocharov, Leon; Lytova, Marianna; Vainio, Rami; Laitinen, Timo; Torsti, Jarmo, The Astrophysical Journal, Volume 620, Issue 2, pp. 1052-1068, 2005
• A Simple Model for Reflection-Driven Spectral Evolution of Turbulence in the Corona and Inner Heliosphere, Laitinen, T., ASTRA Astrophysics and Space Sciences Transactions, Volume 1, pp. 35-43, 2005
• Particle Acceleration Associated with Interacting Coronal Mass Ejections, Lehtinen, N. J.; Pohjolainen, S.; Valtonen, E.; Huttunen-Heikinmaa, K.; Hillaris, A. E., Proceedings of the 11th European Solar Physics Meeting "The Dynamic Sun: Challenges for Theory and Observations" (ESA SP-600). 11-16 September 2005, Leuven, Belgium. Editors: D. Danesy, S. Poedts, A. De Groof and J. Andries. Published on CDROM., p.160, 2005
• Charge States of Energetic Solar Ions from Coronal Shock Acceleration, Lytova, Marianna; Kocharov, Leon, The Astrophysical Journal, Volume 620, Issue 1, pp. L55-L58, 2005

2004

• Turbulent cascading numerically: a 2-D approach, Kissmann, R.; Spanier, F.; Fichtner, H.; Laitinen, T.; Schlickeiser, R., 35th COSPAR Scientific Assembly. Held 18 - 25 July 2004, in Paris, France., p.2839, 2004
• On the Influence of Non-WKB Reflection on Turbulent Cascading, Laitinen, T.; Kissmann, R.; Fichtner, H.; Vainio, R., 35th COSPAR Scientific Assembly. Held 18 - 25 July 2004, in Paris, France., p.2860, 2004
• The 1998 May 2-3 Magnetic Cloud: An Interplanetary ``Highway'' for Solar Energetic Particles Observed with SOHO/ERNE, Torsti, Jarmo; Riihonen, Esa; Kocharov, Leon, The Astrophysical Journal, Volume 600, Issue 1, pp. L83-L86, 2004
• Coronal shock acceleration under scatter-free upstream conditions, Vainio, R.; Laitinen, T., 35th COSPAR Scientific Assembly. Held 18 - 25 July 2004, in Paris, France., p.1817, 2004

2003

• On the Cyclotron Wave Heating and Acceleration of the Solar Wind, Fichtner, Host; Laitinen, Timo; Vainio, Rami, Astronomische Nachrichten, Supplementary Issue 3, Vol. 324, Short Contributions of the Annual Scientific Meeting of the Astronomische Gesellschaft in Freiburg, September 15-20, 2003, p.10, 2003
• Modeling the propagation of solar energetic particles in corotating compression regions of solar wind, Kocharov, L.; Kovaltsov, G. A.; Torsti, J.; Anttila, A.; Sahla, T., Journal of Geophysical Research, Volume 108, Issue A11, pp. SSH 1-1, CiteID 1404, DOI 10.1029/2003JA009928, 2003
• The Origin of High-Energy 3He-rich Solar Particle Events, Kocharov, L.; Torsti, J., The Astrophysical Journal, Volume 586, Issue 2, pp. 1430-1435, 2003
• Toward a self-consistent treatment of the cyclotron wave heating and acceleration of the solar wind plasma, Laitinen, T.; Fichtner, H.; Vainio, R., Journal of Geophysical Research (Space Physics), Volume 108, Issue A2, pp. SSH 9-1, CiteID 1081, DOI 10.1029/2002JA009479, 2003
• Shock acceleration of energetic particles in wave heated corona, Laitinen, T.; Vainio, R., Advances in Space Research, Volume 32, Issue 12, p. 2603-2608, 2003
• On the acceleration and wave heating of the solar wind: implications of the mean free path of solar energetic particles, Laitinen, T.; Vainio, R.; Fichtner, H., SOLAR WIND TEN: Proceedings of the Tenth International Solar Wind Conference. AIP Conference Proceedings, Volume 679, pp. 303-306, 2003
• A Statictical Study of 3He Enhancement in the High-Energy Solar Particles, Laivola, Jarno; Torsti, J.; Kocharov, L., Proceedings of the 28th International Cosmic Ray Conference. July 31-August 7, 2003. Trukuba, Japan. Under the auspices of the International Union of Pure and Applied Physics p.3233, 2003
• High-Energy 3He-Rich Solar Particle Events, Torsti, Jarmo; Kocharov, Leon; Laivola, Jarno; Chertok, Ilya; Thompson, Barbara J., Solar Physics, v. 214, Issue 1, p. 177-193, 2003
• Common overabundance of 3He in high-energy solar particles, Torsti, J.; Laivola, J.; Kocharov, L., Astronomy and Astrophysics, v.408, p.L1-L4, 2003
• A simple analytical expression for the power spectrum of cascading Alfvén waves in the solar wind, Vainio, R.; Laitinen, T.; Fichtner, H., Astronomy and Astrophysics, v.407, p.713-723, 2003

2002

• The Alpha Magnetic Spectrometer (AMS) on the International Space Station: Part I — results from the test flight on the space shuttle, Torsti, J et.al., Physics Reports, Vol. 336, Issue 6, pp. 331-405, 2002
• The Alpha Magnetic Spectrometer (AMS), Torsti, J et.al., Nuclear Instruments and Methods in Physics Research Section A, Volume 478, Issue 1-2, p. 119-122, 2002
• Energetic particles during the first two years of SOHO science mission, Anttila, A.; Torsti, J., Advances in Space Research, Volume 29, Issue 3, p. 319-324, 2002
• Hybrid Solar Energetic Particle Events Observed on Board Soho, Kocharov, L.; Torsti, J., Solar Physics, v. 207, Issue 1, p. 149-157, 2002
• The origin of high-energy helium-3 rich events, Kocharov, L.; Torsti, J., 34th COSPAR Scientific Assembly, The Second World Space Congress, held 10-19 October, 2002 in Houston, TX, USA, 2002
• Comment on ''Model of ionic charge states of impulsive solar energetic particles in solar flares'' by M. Dolores Rodríguez-Frías, Luis del Peral, and Jorge Pérez-Peraza, Kovaltsov, Gennadi A.; Kartavykh, Yulia Y.; Kocharov, Leon; Ostryakov, Valery M.; Torsti, Jarmo, Journal of Geophysical Research (Space Physics), Volume 107, Issue A10, pp. SSH 3-1, CiteID 1276, DOI 10.1029/2001JA009173, 2002
• Shock acceleration of energetic particles in wave heated corona, Laitinen, T.; Vainio, R., 34th COSPAR Scientific Assembly, The Second World Space Congress, held 10-19 October, 2002 in Houston, TX, USA, 2002
• Solar Particle Event with Exceptionally High 3He Enhancement in the Energy Range up to 50 MeV Nucleon-1, Torsti, J.; Kocharov, L.; Laivola, J.; Lehtinen, N.; Kaiser, M. L.; Reiner, M. J., The Astrophysical Journal, Volume 573, Issue 1, pp. L59-L63, 2002
• Solar particle events with helium-over-hydrogen enhancement in the energy range up to 100 MeV nucl^-1, Torsti, J.; Kocharov, L.; Laivola, J.; Pohjolainen, S.; Plunkett, S. P.; Thompson, B. J.; Kaiser, M. L.; Reiner, M. J., Solar Physics, v. 205, Issue 1, p. 123-147, 2002
• Energetic particle signatures of geoeffective coronal mass ejection, Valtonen, E.; Laitinen, T., 34th COSPAR Scientific Assembly, The Second World Space Congress, held 10-19 October, 2002 in Houston, TX, USA., 2002

2001

• The MUG experiment for observing muon fluxes underground: test data and development plans, Elo, A.-M.; Jaemsen, T.; Kangas, J.; Mursula, K.; Peltoniemi, J.; Usoskin, I. G.; Vallinkoski, M.; Valtonen, E., Proceedings of the 27th International Cosmic Ray Conference. 07-15 August, 2001. Hamburg, Germany. Under the auspices of the International Union of Pure and Applied Physics (IUPAP)., p.1249, 2001
• A new multilevel experiment MUG for observing muon fluxes underground, Jaemsen, T.; Elo, A.-M.; Kangas, J.; Mursula, K.; Peltoniemi, J.; Usoskin, I. G.; Vallinkoski, M.; Valtonen, E., Proceedings of the 27th International Cosmic Ray Conference. 07-15 August, 2001. Hamburg, Germany. Under the auspices of the International Union of Pure and Applied Physics (IUPAP)., p.1250, 2001
• Transient phenomena in the heliosphere, Kocharov, L., 27th International Cosmic Ray Conference. Invited, Rapporteur, and Highlight Papers. 07-15 August, 2001. Hamburg, Germany. Under the auspices of the International Union of Pure and Applied Physics (IUPAP). Edited by R. Schlickeiser., p.109, 2001
• Dynamical Cycles in Charge and Energy for Iron Ions Accelerated in a Hot Plasma, Kocharov, L.; Kovaltsov, G. A.; Torsti, J., The Astrophysical Journal, Volume 556, Issue 2, pp. 919-927, 2001
• The role of CME dynamics in production of -10 MEV protons, Kocharov, L.; Torsti, J.; St. Cyr, O. C., Proceedings of the 27th International Cosmic Ray Conference. 07-15 August, 2001. Hamburg, Germany. Under the auspices of the International Union of Pure and Applied Physics (IUPAP)., p.3435, 2001
• A relation between dynamics of coronal mass ejections and production of solar energetic particle, Kocharov, L.; Torsti, J.; St. Cyr, O. C.; Huhtanen, T., Astronomy and Astrophysics, v.370, p.1064-1070, 2001
• Charge-equilibration of Fe ions accelerated in a hot plasma, Kovaltsov, G. A.; Barghouty, A. F.; Kocharov, L.; Ostryakov, V. M.; Torsti, J., Astronomy and Astrophysics, v.375, p.1075-1081, 2001
• The relation between cyclotron heating and energetic particles on open coronal field lines, Laitinen, T.; Vainio, R., Proceedings of the 27th International Cosmic Ray Conference. 07-15 August, 2001. Hamburg, Germany. Under the auspices of the International Union of Pure and Applied Physics (IUPAP)., p.3223, 2001
• Energetic Particle Fluxes during the Bastille Day Solar Eruption, Mäkelä, Pertti; Torsti, Jarmo, Solar Physics, v. 204, Issue 1/2, p. 213-225, 2001
• Analysis of proton flux directionalities in four solar events detected by Soho/Erne, Sahla, T.; Torsti, J., Proceedings of the 27th International Cosmic Ray Conference. 07-15 August, 2001. Hamburg, Germany. Under the auspices of the International Union of Pure and Applied Physics (IUPAP)., p.3306, 2001
• Injection of energetic protons during solar eruption on 1999 May 9: Effect of flare and coronal mass ejection, Torsti, J.; Kocharov, L.; Innes, D. E.; Laivola, J.; Sahla, T., Astronomy and Astrophysics, v.365, p.198-203, 2001
• Proton transport through self-generated waves in impulsive gamma-ray flares, Vainio, R.; Kocharov, L., Proceedings of the 27th International Cosmic Ray Conference. 07-15 August, 2001. Hamburg, Germany. Under the auspices of the International Union of Pure and Applied Physics (IUPAP)., p.3021, 2001
• Background reduction for quiet time particle fluxes aboard the Solar and Heliospheric Observatory, Valtonen, E.; Kecskeméty, K.; Kunow, H.; Müller-Mellin, R.; Torsti, J., Journal of Geophysical Research, Volume 106, Issue A6, p. 10705-10714, 2001
• Erratum: ``Background reduction for quiet time particle fluxes aboard the Solar and Heliospheric Observatory'', Valtonen, E.; Kecskeméty, K.; Kunow, H.; Király, P.; Müller-Mellin, R.; Torsti, J., Journal of Geophysical Research, Volume 106, Issue A12, p. 29417-29418, 2001

2000

• Helium in near Earth orbit, Torsti, J, et.al., Physics Letters B, Volume 494, Issue 3-4, p. 193-202, 2000
• Cosmic protons, Torsti, J et.al., Physics Letters B, Volume 490, Issue 1-2, p. 27-35, 2000
• Leptons in near earth orbit, Torsti, J et.al., Physics Letters B, Volume 484, Issue 1-2, p. 10-22, 2000
• Protons in near earth orbit, Torsti, J et.al., Physics Letters B, Volume 472, Issue 1-2, p. 215-226, 2000
• Trapping and Precipitation of Protons during Stochastic Acceleration in Magnetic Loops, Kocharov, L.; Kovaltsov, G. A.; Torsti, J., The Astrophysical Journal, Volume 543, Issue 1, pp. 438-446, 2000
• Evaluation of solar energetic Fe charge states: effect of proton-impact ionization, Kocharov, L.; Kovaltsov, G. A.; Torsti, J.; Ostryakov, V. M., Astronomy and Astrophysics, v.357, p.716-724, 2000
• Solar energetic particle event and radio bursts associated with the 1996 July 9 flare and coronal mass ejection, Laitinen, T.; Klein, K.-L.; Kocharov, L.; Torsti, J.; Trottet, G.; Bothmer, V.; Kaiser, M. L.; Rank, G.; Reiner, M. J., Astronomy and Astrophysics, Vol. 360, p.729-741, 2000
• Charge state distributions of iron in impulsive solar flares: Importance of stripping effects, Ostryakov, V. M.; Kartavykh, Y. Y.; Ruffolo, D.; Kovaltsov, G. A.; Kocharov, L., Journal of Geophysical Research, Volume 105, Issue A12, p. 27315-27322, 2000
• SOHO/Energetic and Relativistic Nucleon and Electron Experiment Measurements of Energetic H, He, O, and Fe Fluxes during the 1997 November 6 Solar Event, Torsti, J.; Mäkelä, P.; Teittinen, M.; Laivola, J., The Astrophysical Journal, Volume 544, Issue 2, pp. 1169-1180, 2000
• Interplanetary and Interacting Protons Accelerated in a Parallel Shock Wave, Vainio, R.; Kocharov, L.; Laitinen, T., The Astrophysical Journal, Volume 528, Issue 2, pp. 1015-1025, 2000

1999

• Post-Impulsive-Phase Acceleration of >10 MeV Protons, Kocharov, Leon, Proceedings of the 26th International Cosmic Ray Conference. August 17-25, 1999. Salt Lake City, Utah, USA. Under the auspices of the International Union of Pure and Applied Physics (IUPAP). Volume 6. Edited by D. Kieda, M. Salamon, and B. Dingus, p.236, 1999
• Signatures of coronal magnetic field geometry in gamma-rays, neutrons, and high-energy protons, Kocharov, Leon, Proceedings of the 26th International Cosmic Ray Conference. August 17-25, 1999. Salt Lake City, Utah, USA. Under the auspices of the International Union of Pure and Applied Physics (IUPAP). Volume 6. Edited by D. Kieda, M. Salamon, and B. Dingus, p.34, 1999
• An Analytic Description of Coronal Proton Trapping, Kocharov, Leon; Kovaltsov, Gennadi A.; Torsti, Jarmo, The Astrophysical Journal, Volume 519, Issue 1, pp. 422-432, 1999
• Interacting and Interplanetary Protons Accelerated on Diverging Magnetic Field Lines: Stochastic Acceleration, Kocharov, L.; Kovaltsov, G. A.; Laitinen, T.; Mäkelä, P.; Torsti, J., The Astrophysical Journal, Volume 521, Issue 2, pp. 898-905, 1999
• Post-Impulsive-Phase Acceleration in a Wide Range of Solar Longitudes, Kocharov, Leon; Torsti, Jarmo; Laitinen, Timo; Teittinen, Matti, Solar Physics, v. 190, Issue 1/2, p. 295-307, 1999
• On the gradients of ACR oxygen at intermediate heliocentric distances: Ulysses/Soho results, Marsden, R. G.; Sanderson, T. R.; Tranquille, C.; Trattner, K. J.; Anttila, A.; Torsti, J., Advances in Space Research, Volume 23, Issue 3, p. 531-534, 1999
• Development of directional flux anisotropy during the solar event on June 16, 1998, Torsti, J., Proceedings of the 26th International Cosmic Ray Conference. August 17-25, 1999. Salt Lake City, Utah, USA. Under the auspices of the International Union of Pure and Applied Physics (IUPAP). Volume 6. Edited by D. Kieda, M. Salamon, and B. Dingus, p.336, 1999
• SOHO/ERNE Measurements of Energetic He, O and Fe Fluxes during the November 6, 1997 Solar Event, Torsti, Jarmo, Proceedings of the 26th International Cosmic Ray Conference. August 17-25, 1999. Salt Lake City, Utah, USA. Under the auspices of the International Union of Pure and Applied Physics (IUPAP). Volume 6. Edited by D. Kieda, M. Salamon, and B. Dingus, p.119, 1999
• Concurrent solar and corotating interaction region particle events in August 1996, Torsti, J.; Anttila, A.; Sahla, T., Journal of Geophysical Research, Volume 104, Issue A5, p. 9891-9902, 1999
• Energetic (~10-65 MeV) protons observed by ERNE on August 13-14, 1996: Eruption on the solar back side as a possible source of the event, Torsti, J.; Kocharov, L.; Teittinen, M.; Anttila, A.; Laitinen, T.; Mäkelä, P.; Riihonen, E.; Vainio, R.; Valtonen, E., Journal of Geophysical Research, Volume 104, Issue A5, p. 9903-9910, 1999
• Injection of>~10 MeV Protons in Association with a Coronal Moreton Wave, Torsti, Jarmo; Kocharov, Leon G.; Teittinen, Matti; Thompson, Barbara J., The Astrophysical Journal, Volume 510, Issue 1, pp. 460-465, 1999
• A method for the background reduction of solid state detectors during low-flux periods, Valtonen, E., Proceedings of the 26th International Cosmic Ray Conference. August 17-25, 1999. Salt Lake City, Utah, USA. Under the auspices of the International Union of Pure and Applied Physics (IUPAP). Volume 6. Edited by D. Kieda, M. Salamon, and B. Dingus, p.220, 1999

1998

• Long-duration high-energy proton events observed by GOES in October 1989, Anttila, A.; Kocharov, L. G.; Torsti, J.; Vainio, R., Annales Geophysicae, vol. 16, Issue 8, pp.921-930, 1998
• Deduced spectrum of interacting protons accelerated after the impulsive phase of the 15 June 1991 solar flare, Kocharov, L.; Debrunner, H.; Kovaltsov, G.; Lockwood, J.; McConnell, M.; Nieminen, P.; Rank, G.; Ryan, J.; Schoenfelder, V., Astronomy and Astrophysics, v.340, p.257-264, 1998
• Adiabatic Deceleration of Solar Energetic Particles as Deduced from Monte Carlo Simulations of Interplanetary Transport, Kocharov, L.; Vainio, R.; Kovaltsov, G. A.; Torsti, J., Solar Physics, v. 182, Issue 1, p. 195-215, 1998
• Observations of galactic cosmic ray modulation during Earth-directed coronal mass ejections, Mäkelä, P.; Torsti, J.; Teittinen, M.; Valtonen, E.; Riihonen, E.; Ipavich, F., Geophysical Research Letters, Volume 25, Issue 15, p. 2951-2954, 1998
• Energetic (~1 to 50 MeV) protons associated with Earth-directed coronal mass ejections, Torsti, J.; Anttila, A.; Kocharov, L.; Mäkelä, P.; Riihonen, E.; Sahla, T.; Teittinen, M.; Valtonen, E.; Laitinen, T.; Vainio, R., Geophysical Research Letters, Volume 25, Issue 14, p. 2525-2528, 1998

1997

• Implications of Proton Anisotropy Development Observed by the ERNE Instrument During the 9 July 1996 Solar Particle Event, Kocharov, L. G.; Torsti, J.; Laitinen, T.; Vainio, R., Solar Physics, Volume 175, Issue 2, pp.785-795, 1997
• Impact of Magnetic Environment on the Generation of High-Energy Neutrons at the Sun, Kocharov, L. G.; Torsti, J.; Tang, F.; Zirin, H.; Kovaltsov, G. A.; Usoskin, I. G., Solar Physics, v. 172, Issue 1/2, p. 271-278, 1997
• Recurrence of Energetic Particle Flux Anisotropy as Observed by ERNE on 9 July 1996, Torsti, J.; Laitinen, T.; Vainio, R.; Kocharov, L.; Anttila, A.; Valtonen, E., Solar Physics, Volume 175, Issue 2, pp.771-784, 1997
• Anomalous Cosmic-Ray Helium, Nitrogen and Oxygen in 1996 - Measurements of the ERNE Instrument on-board SOHO, Torsti, J.; Valtonen, E.; Anttila, A.; Vainio, R.; Makela, P.; Riihonen, E.; Teittinen, M., Solar Physics, v. 170, Issue 1, p. 193-204, 1997
• First Energetic Particle Events Observed by the ERNE Instrument, Torsti, J.; Valtonen, E.; Kocharov, L. G.; Vainio, R.; Riihonen, E.; Anttila, A.; Laitinen, T.; Teittinen, M.; Kuusela, J., Solar Physics, v. 170, Issue 1, p. 179-191, 1997
• ERNE observations of energetic particle fluxes, Torsti, J.; Valtonen, E.; Riihonen, E.; Teittinen, M.; Anttila, A.; Vainio, R.; Mäkelä, P.; Eronen, T.; Laitinen, T.; Schultz, G., Advances in Space Research, vol. 20, p. 91, 1997

1996

• The 1990 May 24 Solar Flare and Cosmic Ray Event, Kocharov, L.; Kovaltsov, G.; Torsti, J.; Usoskin, I.; Zirin, H.; Anttila, A.; Vainio, R., High Energy Solar Physics, Proceedings of the conference held 16-18 August, 1995 in Greenbelt, MD. Edited by Reuven Ramaty, Natalie Mandzhavidze, and Xin-Min Hua. AIP Conference Proceedings, Vol. 374. Woodbury, NY: American Institute of Physics, 1996., p.246, 1996
• Propagation of Solar Cosmic Rays: Diffusion versus Focused Diffusion, Kocharov, L. G.; Torsti, J.; Vainio, R.; Kovaltsov, G. A., Solar Physics, v. 165, p. 205-208, 1996
• A Joint Analysis of High-Energy Neutrons and Neutron-Decay Protons from a Flare, Kocharov, L. G.; Torsti, J.; Vainio, R.; Kovaltsov, G. A.; Usoskin, I. G., Solar Physics, v. 169, Issue 1, p. 181-207, 1996
• The Solar Flare Event on 15 June 1991, Rank, G.; Lockwood, J.; McConnell, M.; Ryan, J.; Schonfelder, V.; Bennett, K.; Debrunner, H.; Nieminen, P.; Kocharov, L.; Kovaltsov, G., American Astronomical Society, 189th AAS Meeting, #18.07; Bulletin of the American Astronomical Society, Vol. 28, p.1298, 1996
• Performance of ERNE in particle flux anisotropy measurement, Riihonen, E.; Torsti, J.; Anttila, A.; Kuusela, J.; Lumme, M.; Valtonen, E., Annales Geophysicae, vol. 14, Issue 5, pp.503-509, 1996
• Transport of energetic particles derived from a detailed analysis of the September 29, 1989 solar flare, Torsti, J.; Anttila, A.; Schultz, C. Göran; Vainio, R., Advances in Space Research (ISSN 0273-1177), vol. 17, no. 4-5, p. (4/5)163-(4/5)166, 1996
• The 1990 May 24 Solar Cosmic-Ray Event, Torsti, J.; Kocharov, L. G.; Vainio, R.; Anttila, A.; Kovaltsov, G. A., Solar Physics, v. 166, p.135, 1996
• Energetic particle investigation using the ERNE instrument, Torsti, J.; Valtonen, E.; Kocharov, L.; Lumme, M.; Eronen, T.; Louhola, M.; Riihonen, E.; Schultz, G.; Teittinen, M.; Vainio, R.; Anttila, A.; Kuusela, J., Annales Geophysicae, vol. 14, Issue 5, pp.497-502, 1996

1995

• SWAN: A Study of Solar Wind Anisotropies on SOHO with Lyman Alpha Sky Mapping, Bertaux, J. L.; Kyrola, E.; Quemerais, E.; Pellinen, R.; Lallement, R.; Schmidt, W.; Berthe, M.; Dimarellis, E.; Goutail, J. P.; Taulemesse, C.; Bernard, C.; Leppelmeier, G.; Summanen, T.; Hannula, H.; Huomo, H.; Kehla, V.; Korpela, S.; Leppala, K.; Strommer, E.; Torsti, J.; Viherkanto, K.; Hochedez, J. F.; Chretiennot, G.; Peyroux, R.; Holzer, T., Solar Physics, v. 162, p. 403-439, 1995
• Erratum: The 1991 March 22 Flare: Possible Anistrophy of High-Energy Neutral Emission, Kocharov, L. G.; Lee, Jeongwoo W.; Wang, H.; Zirin, H.; Kovaltsov, G. A.; Usoskin, I. G., Solar Physics, Vol. 161, p.407, 1995
• The 1991 March 22 Flare: Possible Anisotropy of High-Energy Neutral Emission, Kocharov, L. G.; Lee, Jeongwoo W.; Wang, H.; Zirin, H.; Kovaltsov, G. A.; Usoskin, I. G., Solar Physics, v. 158, p. 95-114, 1995
• Neutron monitor data on the 15 June 1991 flare: Neutrons as a test for proton acceleration scenario, Kovaltsov, G. A.; Usoskin, I. G.; Kocharov, L. G.; Kananen, H.; Tanskanen, P. J., Solar Physics (ISSN 0038-0938), vol. 158, no. 2, p. 395-398, 1995
• Solar energetic particle abundance measurement by ERNE on board SOHO, Lumme, M.; Valtonen, E.; Eronen, T.; Torsti, J.; Lewitowicz, M.; Bazin, D., Advances in Space Research (ISSN 0273-1177), vol. 15, no. 7, p. (7)73-(7)76, 1995
• Energetic Particle Experiment ERNE, Torsti, J.; Valtonen, E.; Lumme, M.; Peltonen, P.; Eronen, T.; Louhola, M.; Riihonen, E.; Schultz, G.; Teittinen, M.; Ahola, K.; Holmlund, C.; Kelha, V.; Leppala, K.; Ruuska, P.; Strommer, E., Solar Physics, v. 162, p. 505-53, 1995
• Injection and Transport of Accelerated Particles as Deduced from GOES and Neutron Monitor Data, Vainio, R.; Torsti, J.; et al., 24th International Cosmic Ray Conference, Vol. 4, held August 28-September 8, 1995 in Rome, Italy. Edited by N. Iucci and E. Lamanna. International Union of Pure and Applied Physics, 1995., p.321, 1995

1994

• Neutron and electromagnetic emissions during the 1990 May 24 solar flare, Kocharov, L. G.; Lee, Jeongwoo W.; Zirin, H.; Kovaltsov, G. A.; Usoskin, I. G.; Pyle, K. R.; Shea, M. A.; Smart, D. F., Solar Physics (ISSN 0038-0938), vol. 155, no.1, p. 149-170, 1994
• Estudio de la particulas energéticas solares: colaboración `CEPAC' para el Observatorio Soho, Torsti, J.; Kunow, H.; Sequieros, J.; Medina, J.; Meziat, D., Second Euro-Latin American Space Days, Proceedings of the conference held 9-13 May, 1994 in Buenos Aires, Argentina. Edited by Norman Longdon. ESA SP-363. European Space Agency, 1994., p.185, 1994
• Anisotropies of relativistic solar protons at 1 AU, Torsti, J.; Vainio, R.; Anttila, A., Solar Dynamic Phenomena and Solar Wind Consequences, Proceedings of the Third SOHO Workshop held 26-29 September, 1994 in Estes Park, Colorado. Edited by J.J. Hunt. ESA SP-373, European Space Agency, 1994, p.263, 1994
• Delayed energetic proton events at 1 AU, Torsti, J.; Vainio, Rami; Halén, Sami; Kuusela, Jyri, Solar Dynamic Phenomena and Solar Wind Consequences, Proceedings of the Third SOHO Workshop held 26-29 September, 1994 in Estes Park, Colorado. Edited by J.J. Hunt. ESA SP-373, European Space Agency, 1994, p.311, 1994
• Coronal transport of solar energetic protons, Torsti, J.; Vainio, Rami; Schultz, Göran; Halén, Sami, Solar Dynamic Phenomena and Solar Wind Consequences, Proceedings of the Third SOHO Workshop held 26-29 September, 1994 in Estes Park, Colorado. Edited by J.J. Hunt. ESA SP-373, European Space Agency, 1994, p.117, 1994

1992

• Estimation of high energy solar particle transport parameters during the GLE's in 1989, Torsti, J. J.; Eronen, T.; Mahonen, M.; Riihonen, E.; Schultz, C. G.; Kudela, K.; Kananen, H., In: Solar Wind Seven; Proceedings of the 3rd COSPAR Colloquium, Goslar, Germany, Sept. 16-20, 1991 (A93-33554 13-92), p. 545-548, 1992
• A double-peaked solar flare: Conclusions on particle transport, Torsti, Jarmo; Schultz, C. G., In ESA, Proceedings of the First SOHO Workshop: Coronal Streamers, Coronal Loops, and Coronal and Solar Wind Composition p 343-346, 1992

1991

• Electronics of the cosmic ray air shower array at Turku (Finland), Arvela, H.; Elo, A.-M.; Torsti, J. J.; Valtonen, E., In Oulu Univ., Proceedings of the 25th Annual Conference of the Finnish Physical Society 1 p (SEE N92-10362 01-70), 1991
• Test results of density detectors of the cosmic ray air shower array in Turku (Finland), Elo, A.-M.; Arvela, H.; Peltonen, J.; Torsti, J. J.; Valtonen, E., In its Proceedings of the 25th Annual Conference of the Finnish Physical Society 1 p (SEE N92-10362 01-70, 1991
• Scientific performance of ERNE sensors, Torsti, J. J.; Valtonen, E.; Lumme, M.; Peltonen, J.; Eronen, T.; Kelhä, V.; Leppälä, K., Advances in Space Research, Volume 11, Issue 1, p. 401-404, 1991
• Performance tests of ERNE HED sensor, Valtonen, E.; Peltonen, J.; Eronen, T.; Torsti, J. J.; Lumme, M.; Mahonen, M.; Nieminen, A.; Viano, J. B., In Oulu Univ., Proceedings of the 25th Annual Conference of the Finnish Physical Society 1 p (SEE N92-10362 01-70), 1991

1990

• Low Energy Solar Particle Detector, Peltonen, J.; Torsti, J. J.; Valtonen, E.; Lumme, M.; Kelha, V.; Leppala, K., Proceedings of the 21st International Cosmic Ray Conference. Volume 7 (SH Sessions), p.231, 1990
• Solar production of neutrons, Torsti, J, In Oulu Univ., Second Meeting of Finnish Space Researchers p 69, 1990
• High Energy Solar Particle Detector, Valtonen, E.; Lumme, M.; Torsti, J. J.; Peltonen, J.; Kelha, V.; Leppala, K., Proceedings of the 21st International Cosmic Ray Conference. Volume 7 (SH Sessions), p.235, 1990