Scientific Publications: 2000 - present

G. I. Pugacheva,  A. A. Gusev, U. B. Jayanthi, I. M. Martin, and W. N. Spjeldvik, About the discovery of Geomagnetically Confined Antiproton Fluxes, Astrophysical Journal Letters, submitted, 2011.

Jayanthi, U. B.,  A. A. Gusev,  J. Bickford,  W. N. Spjeldvik,  G. I. Pugacheva,  Low Energy Antiprotons in the Cosmic Radiation,  Astrophysical Journal, submitted, 2011.

A. A. Gusev, G. I. Pugacheva,  V. Pankov,  J. Bickford, W. N.  Spjeldvik, U. B. Jayanthi and I. M. Martin,  Antiparticle Content in the Magnetosphere, Advances in Space Research,  Volume 42, Issue 9, 3 November 2008, Pages 1550-1555, 2008. 

Bickford, J.,  W. Schmitt,  W. N. Spjeldvik,  A. A. Gusev,  G. I. Pugacheva,  I. M. Martin, Natural Sources of Antiparticles in the Solar System and the Feasibility of Extraction for High Delta-V Space Propulsion, 3rd International Conference on New Trends in Astrodynamics and Applications, Princeton, NJ, USA, 16 - 18 Aug 2006, AIP Conf. Proc. 886, pp.187-203, 2007.

A. A. Gusev, U. B. Jayanthi, G. I. Pugacheva, N. J. Schuch, I. M. Martin and W. N. Spjeldvik,  Cusp confinement zones on quiet and disturbed dayside magnetosphere, Advances in Space Research, Volume 37, Issue 8, 2006, Pages 1532-1537,  2006.

Spjeldvik, W. N., T. A. Fritz, J. Chen, and Q.-G. Zong: Energetic Ion Observations of the Earth's Magnetic Cusps During an Extended Geomagnetically Quiescent Period in April 2001 Using Detectors on S/C POLAR, Journal of Advances in Space Research, in press, 2005.

Pugacheva, G. I., A. A. Gusev, U. B. Jayanthi, N. J. Schuch and W. N. Spjeldvik, Cusp Region Radiation Belts in the Dayside Magnetosphere, J. Atmospheric and Solar-Terrestrial Physics, 67 , 479-487, 2005.

A. A. Gusev, A. A., U. B. Jayanthi, G. I. Pugacheva, N. J. Schuch, I. M. Martin, and W. N. Spjeldvik, Cusp Confinement Zones on the Quiet and Disturbed Dayside Magnetosphere, Journal of Advances in Space Research, in press, 2005.

Gusev, A. A., I. M. Martin, M. G. S. Mello, V. M. Pankov, G. I. Pugacheva, N. J. Schuch, and W. N. Spjeldvik, Bidecadal Cycles in Liquid Precipitations in Brazil, Journal of Advances in Space Research , v.34, issue 2, pp.370-375, 2004.

Pugacheva, G. I., U. B. Jayanthi, N. G. Schuch, A. A. Gusev, and W. N. Spjeldvik, Ring Current Ion Motion in the Disturbed Magnetosphere with Non-equipotential Magnetic Field Lines; Journal of Advances in Space Research, v.33 (5), pp. 723-728, 2004

Almeida, A., A. A. Gusev, M. G. S. Mello, I. M. Martin, G. I. Pugacheva, V. M. Pankov, N.J. Schuch, and W. N. Spjeldvik, Rainfall Cycles with Bidecadal Periods in the Brazilian Region of the South American Continent, Geofisica Internacional, V.43, num.2, pp. 271-279, 2004.

Pugacheva, G. I., A. A. Gusev, U. B. Jayanthi, N. J. Schuch, W. N. Spjeldvik, and K. T. Choque, Trapped Antiprotons Produced by Cosmic Rays in the Earth’s Magnetosphere, Journal of Advances in Space Research v.34, issue 6, p.1433-1437, 2004.

Pugacheva, G. I., A. A. Gusev, U. B. Jayanthi, N. J. Schuch, and W. N. Spjeldvik, Seasonal Polar Cap Radiation Zones in the Dayside Magnetosphere, Earth, Planets and Space Journal, 56 (No.6), pp. e17-e20, 2004.

Gusev, A. A., U.B. Jayanthi, K. T. Choque, G. I. Pugacheva, N. Schuch, and W. N. Spjeldvik, Antiproton Radiation Belt Produced by Cosmic Rays in the Earth's Magnetosphere, Journal of Geophysical Research, 30, 101-104, 2003.

Pugacheva, G. I., A. A. Gusev, U. B. Jayanthi, N. G. Schuch, K. T. Choque , and W.N. Spjeldvik, Antiproton Radiation Belt Produced by Cosmic Rays in the Earth’s Magnetosphere, Geophysical Research Letters, 30, N.4, 1161-1164, 2003.

Darrouzet, F., W. N. Spjeldvik, J. F. Lemaire, G. Gustafsson, C. Hann, and C. Dyck: Towards Statistical and Empirical Models of the Distribution of VLF Waves at High Latitude from the Observations of the Viking Spacecraft, Journal of Advances in Space Research , v.32 (3), 323-328, 2003.

Miyasaka, H, A. A. Gusev, G. I. Pugacheva, U. B. Jayanthi, N. J. Schuch, and W. N. Spjeldvik, Cosmic Ray Produced Antiprotons Confined in the Innermost Magnetosphere, Proceedings of the 28th International Cosmic Ray Conference Tsukuba, Japan SH3.6, 2P-210, pp. 4265-4268, 2003.

Pugacheva, G. I., A. A. Gusev, U. B. Jayanthi, N. G. Schuch, W. N. Spjeldvik, and K. T. Choque, Antiprotons Confined in the Earth's Inner Magnetosphere, Astroparticle Physics, 20, p.257-265, 2003.

Spjeldvik, W. N., S. Bourdarie and D. Boscher: "Towards Multi-Dimensional Space Weather Modeling for Energetic Oxygen Ions in the Earth's Inner Magnetosphere: Equilibrium Configuration Modeling", Advances in Space Research, 30, No.12, 2839-2842, 2002.

Pugacheva, G. I., A. A. Gusev, U. B. Jayanthi, I. M. Martin and W. N. Spjeldvik: "Sources of Magnetospheric Antiparticles: Nuclear Reactions in the Rarefied Atmospheres", Advances in Space Research, 30, N.10, 2325-2328, 2002.

Boscher, D., S. Bourdarie, A. A. Gusev, U. Jayanthi, I. M. Martin, G. I. Pugacheva, and W. N. Spjeldvik, Space Weather Impact on the Magnetosphere: New Helium Radiation Belt Storm Time Formation, Brazilian Journal of Physics, 32, No 2B, 624-631, 2002.

Spjeldvik, W. N, S. Bourdarie, and D. Boscher: "Solar Origin Iron Ions in the Earth's Radiation Belts: Multi-Dimensional Equilibrium Configuration Modeling with Charge States 1 through 12", Advances in Space Research, 30, No.12, 2835-2838, 2002.

Pugacheva, G. I., A. A. Gusev, U. B. Jayanthi, I. M. Martin and W. N. Spjeldvik, Antiparticles and Light Element Isotope Ions in Planetary Magnetospheres, Journal of Atmospheric and Solar-Terrestrial Physics, 64, 625-631, 2002.

Gusev, A. A., I. M. Martin, M. G. S. Mello, V. Pankov, G. Pugacheva, N. G. Schuch, and W. N. Spjeldvik: Bidecadal Cycles in Liquid Precipitation in Brazil, Advances in Space Research, 2002.

Gusev, A. A., I. M. Martin, G. I. Pugacheva and W. N. Spjeldvik: "Influence of the 22-Year Solar Magnetic Cycle on Periodic Climatic Changes in the Brazilian Region of South America", Proceedings of the NATO Space Weather Symposium, Heraklion, Crete, Greece, 2001.

Pugacheva, G. I., A. A. Gusev, U. B. Jayanthi, I. M. Martin and W. N. Spjeldvik: "FEM Code Simulation of the Magnetospheric Proton Fluxes", Advances in Space Research, 28, 1759-1762, 2001.

Pugacheva, G. I., A. Almeida, A. A. Gusev, I. M. Martin, V. Pankov, and W. N. Spjeldvik, Solar Variability Effects on Weather and Climate in the Southern Hemisphere, Proceedings of the 27th International Cosmic Ray Conference, Hamburg, Germany, SH3.06, SH246, v.10, p.4135, 2001.

Pugacheva, G. I., A. Almeida, A. A. Gusev, I. M. Martin, H. Pinto, V. Pankov, and W. N. Spjeldvik, New Evidences of Space Weather Impact on Weather and Climate in the Southern Hemisphere, Proceedings of the 27th International Cosmic Ray Conference, Hamburg, Germany, SH3.06, SH248, v.10, p.4153, 2001.

Fok, Mei-Ching, T. E. Moore and W. N. Spjeldvik: "Rapid Enhancement of Radiation Belt Electron Fluxes due to Substorm Dipolarization of the Geomagnetic Field", Journal of Geophysical Research, 106, 3873-3881, 2001.

Gusev, A. A., U. B. Jayanthi, I. M. Martin, G. Pugacheva, and W. N. Spjeldvik, Primary Cosmic Rays and Trapped Radiation as the Sources of the Positron Fluxes in the Earth’s Vicinity, Proceedings of the 27th International Cosmic Ray Conference, Hamburg, Germany, SH3.06, SH263, v.10, p.4200-4203, 2001.

Gusev, A. A., U. B. Jayanthi, I. M. Martin, G. I. Pugacheva, and W. N. Spjeldvik, Nuclear Reactions in the Uppermost Earth Atmosphere as a Source of the Magnetospheric Positron Radiation Belt , Journal of Geophysical Research, 106, 26111-26115, 2001.

Pugacheva, G. I., D. M. Boscher, A. A. Gusev, I. M. Martin, and W. N. Spjeldvik: "Transport Modeling of Energetic Electrons in the Inner Magnetosphere with Synchrotron Energy Losses", Advances in Space Research, 25, No. 12, 2323-2326, 2000.

Spjeldvik, W. N.: "Modeling the After-Effects of a Heliospheric Traveling Shock Wave Through the Earth's Radiation Belts", Advances in Space Research, 26, 99-102, 2000.

Spjeldvik, W. N.: "Transient Effects of Solar Energetic Particle Flux Enhancements on the Inner Magnetosphere of the Earth", Advances in Space Research, 25, No. 12, 2307-2310, 2000.

Pugacheva, G. I., A. A. Gusev, T. Kohno, I. M. Martin, and W. N. Spjeldvik: "Spatial and Temporal Variations of Energetic Trapped Helium Ions Measured with the Japanese Satellite Ohzora", Advances in Space Research, 25, No. 12, 2319-2322, 2000

Gusev, A. A., U. B. Jayanthi, I. M. Martin, G. I. Pugacheva and W. N. Spjeldvik, On the Positron Radiation Belt in the Earth’s Inner Magnetosphere, Brazilian Journal of Physics, V.30, No.3, September, p. 590-593, 2000.