Astronomy and Astrophysics – Astrophysics
Scientific paper
Mar 1990
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1990aipc..203...83b&link_type=abstract
IN: Particle astrophysics - The NASA cosmic ray program for the 1990s and beyond (A92-20526 06-93). New York, American Institute
Astronomy and Astrophysics
Astrophysics
Galactic Cosmic Rays, Isotopes, Spaceborne Experiments, Spectrometers, Superconducting Magnets, Energy Spectra, Experiment Design, Heavy Nuclei, Kinetic Energy, Satellite-Borne Instruments
Scientific paper
The Large Isotope Spectrometer for Astromag (LISA) is an experiment designed to measure the isotopic composition and energy spectra of cosmic rays for elements extending from beryllium through zinc. The overall objectives of this investigation are to study the origin and evolution of galactic matter; the acceleration, transport, and time scales of cosmic rays in the galaxy; and search for heavy antinuclei in the cosmic radiation. To achieve these objectives, the LISA experiment will make the first identifications of individual heavy cosmic ray isotopes in the energy range from about 2.5 to 4 GeV/n where relativistic time dilation effects enhance the abundances of radioactive clocks and where the effects of solar modulation and cross-section variations are minimized. It will extend high resolution measurements of individual element abundances and their energy spectra to energies of nearly 1 TeV/n, and has the potential for discovering heavy anti-nuclei which could not have been formed except in extragalactic sources.
Binns Robert W.
Garrard Thomas L.
Israel Martin H.
Klarmann J.
Lundgaard Rasmussen I.
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