Physics – Condensed Matter – Superconductivity
Scientific paper
Jul 1993
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1993cren.conft..12g&link_type=abstract
Presented at the International Cryogenic Engineering Conference and International Cryogenic Materials Conference, Albuquerque, N
Physics
Condensed Matter
Superconductivity
Astrophysics, Atomic Structure, Cryogenic Equipment, Cryogenics, Cryostats, Spaceborne Experiments, Spectrometers, Superconducting Magnets, Superconductors, Aluminum, Earth Orbits, Helium, Niobium, Solar Cells, Solar Orbits, Superconductivity, Superfluidity, Titanium
Scientific paper
This report compares various superconducting magnet options for use in a particle astrophysics experiment to be launched with a Delta rocket into a sun synchronous orbit and an earth trailing solar orbit. The goals of the experiment are to study the incidence of anti particles coming from deep space and to study populations of light nuclei (up to atomic number 8) and gamma rays from deep space. The proposed superconducting coils, which would be made with an aluminum stabilized niobium titanium superconductor, would be cooled using stored superfluid helium. Both a sun synchronous orbit and an earth trailing solar orbit permit one to shield the magnetic and cryogen vessel behind the solar panels. This permits one to reduce the temperature of the cryostat outer vessel which results in an increased cryogen lifetime for the experiment. A number of superconducting coil and cryostat options were looked at in terms of total magnetic and cryostat mass, cryogen life time, complexity, and overall particle astrophysics capability for the attached detectors.
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