Physics
Scientific paper
May 2007
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2007agusmsh54a..02b&link_type=abstract
American Geophysical Union, Spring Meeting 2007, abstract #SH54A-02
Physics
2114 Energetic Particles (7514), 2700 Magnetospheric Physics (6939), 2720 Energetic Particles: Trapped, 2774 Radiation Belts, 6099 General Or Miscellaneous
Scientific paper
Natural high energy processes can exceed the threshold energy required for pair production at numerous locations in our solar system. In particular, the Galactic Cosmic Ray (GCR) flux reacts with the upper atmosphere of planets to generate neutron/anti-neutron pairs which can then scatter and decay within the trapping region of a planet's magnetic field to form a quasi-stable antiproton belt. The induced antimatter belt can co-exist with the traditional proton and electron radiation belts due to the relatively diffuse nature of the particle distribution. We review our progress in modeling the antiproton belt around the Earth to estimate the total mass trapped and assess the practicality of extracting the particles for useful applications such as space propulsion. We then extend these models to estimate the total supply of antimatter available at other locations in our solar system including the Jovian planets where the strong magnetic fields, planetary rings, and other features can significantly improve the ability to produce and trap the antiparticles.
Bickford J. A.
Schmitt Moritz W.
Spjeldvik Walther N.
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