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In this paper the WiZard experiment to be performed at the U.S. Space Station Freedom is presented. The apparatus will operate at the Astromag facility as a magnetic spectrometer dedicated to the search of primordial antimatter in the cosmic radiation. Several additional questions in the field of astrophysics and cosmology like solar flares, the galactic anisotropy, spectra of heavier nuclei (from carbon to iron), gamma-ray astronomy and others will also be investigated with such an apparatus and are discussed as well. The configuration of the apparatus, its integration and the description of each detector is covered in detail. Ground and flight operations are described together with discussion on data reduction and analysis. Finally, the mission planning and the onboard crew operations are also outlined. © 1990 Società Italiana di Fisica.

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Il Nuovo Cimento B Series 11

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