Astronomy and Astrophysics – Astrophysics
Scientific paper
Jan 1990
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1990aipc..198..180f&link_type=abstract
IN: Astrophysics in Antarctica (A92-22401 07-89). New York, American Institute of Physics, 1989, p. 180-183.
Astronomy and Astrophysics
Astrophysics
Antiparticles, Balloon-Borne Instruments, Particle Flux Density, Scintillation Counters, Annihilation Reactions, Antarctic Regions, Balloon Flight, Cerenkov Radiation
Scientific paper
An account is given of a novel particle-annihilation technique for antimatter research which will be used in Antarctic balloonborne experiments. The capacity for particle-antiparticle discrimination in the detector is about 10 exp -9, as a result of combining the 10 exp -5 sensitivity of the Cherenkov technique confirmed via accelerator antiproton beams, and the 10 exp -4 sensitivity of topological methods. The 0.25 sq m detector carried by a polar balloon flight will reach flux sensitivities of 10 exp -7 for antiprotons and antihelium, but only 10 exp -6 for heavier nuclei.
Fujii Ryoichi
Fukada Yutaka
Hatano Yoshikazu
Oda Hiroshi
Saito Takesi
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